if(blockNumber < 0 || blockNumber >= filedisk.nBlocks)
{
- T(YAFFS_TRACE_ALWAYS,("Attempt to erase non-existant block %d\n",blockNumber));
+ yaffs_trace(YAFFS_TRACE_ALWAYS,
+ "Attempt to erase non-existant block %d\n",
+ blockNumber);
return YAFFS_FAIL;
}
else
int nRead;
int error;
- T(YAFFS_TRACE_MTD,(TSTR("write chunk %d data %p tags %p" TENDSTR),nand_chunk, data, tags));
+ yaffs_trace(YAFFS_TRACE_MTD, "write chunk %d data %p tags %p",nand_chunk, data, tags);
CheckInit();
int retval = YAFFS_OK;
int nRead;
- T(YAFFS_TRACE_MTD,(TSTR("read chunk %d data %p tags %p" TENDSTR),nand_chunk, data, tags));
+ yaffs_trace(YAFFS_TRACE_MTD,"read chunk %d data %p tags %p",nand_chunk, data, tags);
CheckInit();
if(blockNumber < 0 || blockNumber >= filedisk.nBlocks)
{
- T(YAFFS_TRACE_ALWAYS,("Attempt to erase non-existant block %d\n",blockNumber));
+ yaffs_trace(YAFFS_TRACE_ALWAYS,"Attempt to erase non-existant block %d",blockNumber);
return YAFFS_FAIL;
}
else
if(blockNumber < 0 || blockNumber >= BLOCKS_IN_DEVICE)
{
- T(YAFFS_TRACE_ALWAYS,("Attempt to erase non-existant block %d\n",blockNumber));
+ yaffs_trace(YAFFS_TRACE_ALWAYS,
+ "Attempt to erase non-existant block %d\n",
+ blockNumber);
return YAFFS_FAIL;
}
else
ramdisk.nBlocks = (SIZE_IN_MB * 1024 * 1024)/(16 * 1024);
- ramdisk.block = YMALLOC(sizeof(yramdisk_block *) * ramdisk.nBlocks);
+ ramdisk.block = malloc(sizeof(yramdisk_block *) * ramdisk.nBlocks);
if(!ramdisk.block) return 0;
for(i=0; i <ramdisk.nBlocks && !fail; i++)
{
- if((ramdisk.block[i] = YMALLOC(sizeof(yramdisk_block))) == 0)
+ if((ramdisk.block[i] = malloc(sizeof(yramdisk_block))) == 0)
{
fail = 1;
}
{
for(i = 0; i < nAllocated; i++)
{
- YFREE(ramdisk.block[i]);
+ kfree(ramdisk.block[i]);
}
- YFREE(ramdisk.block);
+ kfree(ramdisk.block);
- T(YAFFS_TRACE_ALWAYS,("Allocation failed, could only allocate %dMB of %dMB requested.\n",
- nAllocated/64,ramdisk.nBlocks * 528));
+ yaffs_trace(YAFFS_TRACE_ALWAYS,
+ "Allocation failed, could only allocate %dMB of %dMB requested.\n",
+ nAllocated/64,ramdisk.nBlocks * 528);
return 0;
}
if(blockNumber < 0 || blockNumber >= ramdisk.nBlocks)
{
- T(YAFFS_TRACE_ALWAYS,("Attempt to erase non-existant block %d\n",blockNumber));
+ yaffs_trace(YAFFS_TRACE_ALWAYS,
+ "Attempt to erase non-existant block %d\n",
+ blockNumber);
return YAFFS_FAIL;
}
else
return YAFFS_OK;
}
-
ned.nBlocks = nBlocks = nandemul2k_CalcNBlocks();
- ned.block = YMALLOC(sizeof(nandemul_Block*) * nBlocks );
+ ned.block = malloc(sizeof(nandemul_Block*) * nBlocks );
if(!ned.block) return YAFFS_FAIL;
nandemul_Block *blk;
- if(!(blk = ned.block[i] = YMALLOC(sizeof(nandemul_Block))))
+ if(!(blk = ned.block[i] = malloc(sizeof(nandemul_Block))))
{
fail = 1;
}
{
for(j = 0; j < PAGES_PER_BLOCK; j++)
{
- if((blk->page[j] = YMALLOC(sizeof(nandemul_Page))) == 0)
+ if((blk->page[j] = malloc(sizeof(nandemul_Page))) == 0)
{
fail = 1;
}
for(i = 0; i < nAllocated; i++)
{
- YFREE(ned.block[i]);
+ kfree(ned.block[i]);
}
- YFREE(ned.block);
+ kfree(ned.block);
- T(YAFFS_TRACE_ALWAYS,("Allocation failed, could only allocate %dMB of %dMB requested.\n",
- nAllocated/64,sizeInMB));
+ yaffs_trace(YAFFS_TRACE_ALWAYS,
+ "Allocation failed, could only allocate %dMB of %dMB requested.\n",
+ nAllocated/64,sizeInMB);
return 0;
}
if(blockNumber < 0 || blockNumber >= ned.nBlocks)
{
- T(YAFFS_TRACE_ALWAYS,("Attempt to erase non-existant block %d\n",blockNumber));
+ yaffs_trace(YAFFS_TRACE_ALWAYS,
+ "Attempt to erase non-existant block %d\n",
+ blockNumber);
}
else if(ned.block[blockNumber]->damaged)
{
- T(YAFFS_TRACE_ALWAYS,("Attempt to erase damaged block %d\n",blockNumber));
+ yaffs_trace(YAFFS_TRACE_ALWAYS,
+ "Attempt to erase damaged block %d\n",
+ blockNumber);
}
else
{
sim = yramsim_alloc_sim_data(devId, nBlocks);
- g = YMALLOC(sizeof(ynandif_Geometry));
+ g = malloc(sizeof(ynandif_Geometry));
if(!sim || !g){
if(g)
- YFREE(g);
+ free(g);
return NULL;
}
alias = obj->variant.symlink_variant.alias;
if(!alias)
return 0;
- return yaffs_strnlen(alias,YAFFS_MAX_ALIAS_LENGTH);
+ return strnlen(alias,YAFFS_MAX_ALIAS_LENGTH);
default:
return 0;
}
ramdisk.nBlocks = (SIZE_IN_MB * 1024 * 1024)/(16 * 1024);
- ramdisk.block = YMALLOC(sizeof(yflash_Block *) * ramdisk.nBlocks);
+ ramdisk.block = kmalloc(sizeof(yflash_Block *) * ramdisk.nBlocks);
if(!ramdisk.block) return 0;
for(i=0; i <ramdisk.nBlocks && !fail; i++)
{
- if((ramdisk.block[i] = YMALLOC(sizeof(yflash_Block))) == 0)
+ if((ramdisk.block[i] = kmalloc(sizeof(yflash_Block))) == 0)
{
fail = 1;
}
{
for(i = 0; i < nAllocated; i++)
{
- YFREE(ramdisk.block[i]);
+ kfree(ramdisk.block[i]);
}
- YFREE(ramdisk.block);
+ kfree(ramdisk.block);
T(YAFFS_TRACE_ALWAYS,("Allocation failed, could only allocate %dMB of %dMB requested.\n",
nAllocated/64,ramdisk.nBlocks * YAFFS_BYTES_PER_BLOCK));
/* Add an element to a list */
-static Y_INLINE void list_add(struct list_head *new_entry,
+static inline void list_add(struct list_head *new_entry,
struct list_head *list)
{
struct list_head *list_next = list->next;
}
-static Y_INLINE void list_add_tail(struct list_head *new_entry,
+static inline void list_add_tail(struct list_head *new_entry,
struct list_head *list)
{
struct list_head *list_prev = list->prev;
/* Take an element out of its current list, with or without
* reinitialising the links.of the entry*/
-static Y_INLINE void list_del(struct list_head *entry)
+static inline void list_del(struct list_head *entry)
{
struct list_head *list_next = entry->next;
struct list_head *list_prev = entry->prev;
}
-static Y_INLINE void list_del_init(struct list_head *entry)
+static inline void list_del_init(struct list_head *entry)
{
list_del(entry);
entry->next = entry->prev = entry;
/* Test if the list is empty */
-static Y_INLINE int list_empty(struct list_head *entry)
+static inline int list_empty(struct list_head *entry)
{
return (entry->next == entry);
}
unsigned spareSize = 0;
ynandif_Geometry *geometry = (ynandif_Geometry *)(dev->driver_context);
- T(YAFFS_TRACE_MTD,
- (TSTR
- ("nandmtd2_WriteChunkWithTagsToNAND chunk %d data %p tags %p"
- TENDSTR), nand_chunk, data, tags));
+ yaffs_trace(YAFFS_TRACE_MTD,
+ "nandmtd2_WriteChunkWithTagsToNAND chunk %d data %p tags %p",
+ nand_chunk, data, tags);
/* For yaffs2 writing there must be both data and tags.
if(dev->param.inband_tags){
struct yaffs_packed_tags2_tags_only *pt2tp;
- pt2tp = (struct yaffs_packed_tags2_tags_only *)(data + dev->data_bytes_per_chunk);
+ pt2tp = (struct yaffs_packed_tags2_tags_only *)
+ (data + dev->data_bytes_per_chunk);
yaffs_pack_tags2_tags_only(pt2tp,tags);
spare = NULL;
spareSize = 0;
}
retval = geometry->writeChunk(dev,nand_chunk,
- data, dev->param.total_bytes_per_chunk, spare, spareSize);
+ data, dev->param.total_bytes_per_chunk,
+ spare, spareSize);
return retval;
}
int eccStatus; //0 = ok, 1 = fixed, -1 = unfixed
ynandif_Geometry *geometry = (ynandif_Geometry *)(dev->driver_context);
- T(YAFFS_TRACE_MTD,
- (TSTR
- ("nandmtd2_ReadChunkWithTagsFromNAND chunk %d data %p tags %p"
- TENDSTR), nand_chunk, data, tags));
+ yaffs_trace(YAFFS_TRACE_MTD,
+ "nandmtd2_ReadChunkWithTagsFromNAND chunk %d data %p tags %p",
+ nand_chunk, data, tags);
if(!tags){
spare = NULL;
return geometry->checkBlockOk(dev,blockId);
}
-int ynandif_QueryNANDBlock(struct yaffs_dev *dev, int blockId, enum yaffs_block_state *state, u32 *seq_number)
+int ynandif_QueryNANDBlock(struct yaffs_dev *dev, int blockId,
+ enum yaffs_block_state *state, u32 *seq_number)
{
unsigned chunkNo;
struct yaffs_ext_tags tags;
yaffs_add_dev_from_geometry(const YCHAR *name,
const ynandif_Geometry *geometry)
{
- YCHAR *clonedName = YMALLOC(sizeof(YCHAR) * (yaffs_strnlen(name,YAFFS_MAX_NAME_LENGTH)+1));
- struct yaffs_dev *dev = YMALLOC(sizeof(struct yaffs_dev));
+ YCHAR *clonedName = malloc(sizeof(YCHAR) * (strnlen(name,YAFFS_MAX_NAME_LENGTH)+1));
+ struct yaffs_dev *dev = malloc(sizeof(struct yaffs_dev));
if(dev && clonedName){
memset(dev,0,sizeof(struct yaffs_dev));
- yaffs_strcpy(clonedName,name);
+ strcpy(clonedName,name);
dev->param.name = clonedName;
- dev->param.write_chunk_tags_fn = ynandif_WriteChunkWithTagsToNAND;
+ dev->param.write_chunk_tags_fn = ynandif_WriteChunkWithTagsToNAND;
dev->param.read_chunk_tags_fn = ynandif_ReadChunkWithTagsFromNAND;
- dev->param.erase_fn = ynandif_EraseBlockInNAND;
- dev->param.initialise_flash_fn = ynandif_InitialiseNAND;
- dev->param.query_block_fn = ynandif_QueryNANDBlock;
- dev->param.bad_block_fn = ynandif_MarkNANDBlockBad;
- dev->param.n_caches = 20;
- dev->param.start_block = geometry->start_block;
- dev->param.end_block = geometry->end_block;
- dev->param.total_bytes_per_chunk = geometry->dataSize;
- dev->param.spare_bytes_per_chunk = geometry->spareSize;
- dev->param.inband_tags = geometry->inband_tags;
- dev->param.chunks_per_block = geometry->pagesPerBlock;
- dev->param.use_nand_ecc = geometry->hasECC;
- dev->param.is_yaffs2 = geometry->useYaffs2;
- dev->param.n_reserved_blocks = 5;
- dev->driver_context = (void *)geometry;
+ dev->param.erase_fn = ynandif_EraseBlockInNAND;
+ dev->param.initialise_flash_fn = ynandif_InitialiseNAND;
+ dev->param.query_block_fn = ynandif_QueryNANDBlock;
+ dev->param.bad_block_fn = ynandif_MarkNANDBlockBad;
+ dev->param.n_caches = 20;
+ dev->param.start_block = geometry->start_block;
+ dev->param.end_block = geometry->end_block;
+ dev->param.total_bytes_per_chunk = geometry->dataSize;
+ dev->param.spare_bytes_per_chunk = geometry->spareSize;
+ dev->param.inband_tags = geometry->inband_tags;
+ dev->param.chunks_per_block = geometry->pagesPerBlock;
+ dev->param.use_nand_ecc = geometry->hasECC;
+ dev->param.is_yaffs2 = geometry->useYaffs2;
+ dev->param.n_reserved_blocks = 5;
+ dev->driver_context = (void *)geometry;
yaffs_add_device(dev);
}
if(dev)
- YFREE(dev);
+ free(dev);
if(clonedName)
- YFREE(clonedName);
+ free(clonedName);
return NULL;
}
+
{
int retVal = 0;
- int nameLength = yaffs_strnlen(name,YAFFS_MAX_NAME_LENGTH+1);
+ int nameLength = strnlen(name,YAFFS_MAX_NAME_LENGTH+1);
if(nameLength == 0){
yaffsfs_SetError(-ENOENT);
*/
if(path_length > 0 &&
yaffsfs_IsPathDivider(path[path_length-1])){
- alt_path = YMALLOC(path_length + 1);
+ alt_path = kmalloc(path_length + 1, 0);
if(!alt_path)
return -1;
strcpy(alt_path, path);
/* got to the end of the string */
return dir;
else{
- if(yaffs_strcmp(str,_Y(".")) == 0)
+ if(strcmp(str,_Y(".")) == 0)
{
/* Do nothing */
}
- else if(yaffs_strcmp(str,_Y("..")) == 0)
+ else if(strcmp(str,_Y("..")) == 0)
dir = dir->parent;
else{
dir = yaffs_find_by_name(dir,str);
yaffsfs_SetError(-ELOOP);
else if(!dir)
yaffsfs_SetError(-ENOENT);
- else if(yaffs_strncmp(name,_Y("."),2) == 0)
+ else if(strncmp(name,_Y("."),2) == 0)
yaffsfs_SetError(-EINVAL);
else if(!obj)
yaffsfs_SetError(-ENOENT);
} else if(oldLoop || newLoop) {
yaffsfs_SetError(-ELOOP);
rename_allowed = 0;
- } else if (olddir && oldname && yaffs_strncmp(oldname, _Y("."),2) == 0){
+ } else if (olddir && oldname && strncmp(oldname, _Y("."),2) == 0){
yaffsfs_SetError(-EINVAL);
rename_allowed = 0;
}else if(!olddir || !newdir || !obj) {
yaffsfs_Unlock();
if(alt_newpath)
- YFREE(alt_newpath);
+ kfree(alt_newpath);
return (result == YAFFS_FAIL) ? -1 : 0;
}
yaffsfs_SetError(-ELOOP);
else if(!parent)
yaffsfs_SetError(-ENOENT);
- else if(yaffs_strnlen(name,5) == 0){
+ else if(strnlen(name,5) == 0){
/* Trying to make the root itself */
yaffsfs_SetError(-EEXIST);
} else if(parent->my_dev->read_only)
yaffsfs_Unlock();
if(alt_path)
- YFREE(alt_path);
+ kfree(alt_path);
return retVal;
}
path = alt_path;
result = yaffsfs_DoUnlink(path,1);
if(alt_path)
- YFREE(alt_path);
+ kfree(alt_path);
return result;
}
return -1;
}
- T(YAFFS_TRACE_MOUNT,(TSTR("yaffs: Mounting %s" TENDSTR),path));
+ yaffs_trace(YAFFS_TRACE_MOUNT,"yaffs: Mounting %s",path);
if(yaffsfs_CheckPath(path) < 0){
yaffsfs_SetError(-ENAMETOOLONG);
yaffsfs_SetError(-ENOTDIR);
else {
- dsc = YMALLOC(sizeof(yaffsfs_DirectorySearchContext));
+ dsc = kmalloc(sizeof(yaffsfs_DirectorySearchContext), 0);
dir = (yaffs_DIR *)dsc;
if(dsc){
memset(dsc,0,sizeof(yaffsfs_DirectorySearchContext));
dsc->magic = YAFFS_MAGIC;
dsc->dirObj = obj;
- yaffs_strncpy(dsc->name,dirname,NAME_MAX);
+ strncpy(dsc->name,dirname,NAME_MAX);
INIT_LIST_HEAD(&dsc->others);
if(!search_contexts.next)
dsc->de.d_dont_use = (unsigned)dsc->nextReturn;
dsc->de.d_off = dsc->offset++;
yaffs_get_obj_name(dsc->nextReturn,dsc->de.d_name,NAME_MAX);
- if(yaffs_strnlen(dsc->de.d_name,NAME_MAX+1) == 0)
+ if(strnlen(dsc->de.d_name,NAME_MAX+1) == 0)
{
/* this should not happen! */
- yaffs_strcpy(dsc->de.d_name,_Y("zz"));
+ strcpy(dsc->de.d_name,_Y("zz"));
}
dsc->de.d_reclen = sizeof(struct yaffs_dirent);
retVal = &dsc->de;
yaffsfs_Lock();
dsc->magic = 0;
list_del(&dsc->others); /* unhook from list */
- YFREE(dsc);
+ kfree(dsc);
yaffsfs_Unlock();
return 0;
}
yaffsfs_SetError(-ENOTDIR);
else if(loop)
yaffsfs_SetError(-ELOOP);
- else if( !parent || yaffs_strnlen(name,5) < 1)
+ else if( !parent || strnlen(name,5) < 1)
yaffsfs_SetError(-ENOENT);
else if(parent->my_dev->read_only)
yaffsfs_SetError(-EROFS);
else {
YCHAR *alias = obj->variant.symlink_variant.alias;
memset(buf,0,bufsiz);
- yaffs_strncpy(buf,alias,bufsiz - 1);
+ strncpy(buf,alias,bufsiz - 1);
retVal = 0;
}
yaffsfs_Unlock();
#define YCHAR char
#define YUCHAR unsigned char
#define _Y(x) x
-#define yaffs_strcat(a,b) strcat(a,b)
-#define yaffs_strcpy(a,b) strcpy(a,b)
-#define yaffs_strncpy(a,b,c) strncpy(a,b,c)
-#define yaffs_strncmp(a,b,c) strncmp(a,b,c)
-#define yaffs_strnlen(s,m) strnlen(s,m)
-#define yaffs_sprintf sprintf
-#define yaffs_toupper(a) toupper(a)
#define hweight8(x) yaffs_hweight8(x)
#define hweight32(x) yaffs_hweight32(x)
void yaffs_qsort(void *aa, size_t n, size_t es,
int (*cmp)(const void *, const void *));
-#define yaffs_sort(base, n, sz, cmp_fn) yaffs_qsort(base, n, sz, cmp_fn)
+#define sort(base, n, sz, cmp_fn, swp) yaffs_qsort(base, n, sz, cmp_fn)
#define YAFFS_PATH_DIVIDERS "/"
-#ifdef NO_Y_INLINE
-#define Y_INLINE
+#ifdef NO_inline
+#define inline
#else
-#define Y_INLINE __inline__
+#define inline __inline__
#endif
-#define YMALLOC(x) yaffs_malloc(x)
-#define YFREE(x) free(x)
-#define YMALLOC_ALT(x) yaffs_malloc(x)
-#define YFREE_ALT(x) free(x)
+#define kmalloc(x,flags) yaffs_malloc(x)
+#define kfree(x) yaffs_free(x)
+#define vmalloc(x) yaffs_malloc(x)
+#define vfree(x) yaffs_free(x)
-#define YMALLOC_DMA(x) yaffs_malloc(x)
+#define cond_resched() do {} while(0)
-#define YYIELD() do {} while(0)
-
-
-
-//#define YINFO(s) YPRINTF(( __FILE__ " %d %s\n",__LINE__,s))
-//#define YALERT(s) YINFO(s)
-
-
-#define TENDSTR "\n"
-#define TSTR(x) x
-#define TCONT(x) x
-#define TOUT(p) printf p
+#define yaffs_trace(msk, fmt, ...) do { \
+ if(yaffs_trace_mask & ((msk) | YAFFS_TRACE_ALWAYS)) \
+ printf("yaffs: " fmt "\n", ##__VA_ARGS__); \
+} while(0)
#define YAFFS_LOSTNFOUND_NAME "lost+found"
#define YAFFS_LOSTNFOUND_PREFIX "obj"
-//#define YPRINTF(x) printf x
#include "yaffscfg.h"
#define YAFFS_ROOT_MODE 0666
#define YAFFS_LOSTNFOUND_MODE 0666
-#define yaffs_sum_cmp(x,y) ((x) == (y))
-#define yaffs_strcmp(a,b) strcmp(a,b)
-
#include "yaffs_list.h"
#include "yaffsfs.h"
#ifndef __YPORTENV_H__
#define __YPORTENV_H__
-/*
- * Define the MTD version in terms of Linux Kernel versions
- * This allows yaffs to be used independantly of the kernel
- * as well as with it.
- */
+/* Definition of types */
+typedef unsigned char u8;
+typedef unsigned short u16;
+typedef unsigned u32;
-#if defined CONFIG_YAFFS_WINCE
-#include "ywinceenv.h"
+#ifndef WIN32
+#include <sys/stat.h>
+#endif
-#elif defined CONFIG_YAFFS_DIRECT
+#ifdef CONFIG_YAFFS_PROVIDE_DEFS
+/* File types */
-/* Direct interface */
-#include "ydirectenv.h"
-#elif defined CONFIG_YAFFS_UTIL
+#define DT_UNKNOWN 0
+#define DT_FIFO 1
+#define DT_CHR 2
+#define DT_DIR 4
+#define DT_BLK 6
+#define DT_REG 8
+#define DT_LNK 10
+#define DT_SOCK 12
+#define DT_WHT 14
+
+
+#ifndef WIN32
+#include <sys/stat.h>
+#endif
+
+/*
+ * Attribute flags.
+ * These are or-ed together to select what has been changed.
+ */
+#define ATTR_MODE 1
+#define ATTR_UID 2
+#define ATTR_GID 4
+#define ATTR_SIZE 8
+#define ATTR_ATIME 16
+#define ATTR_MTIME 32
+#define ATTR_CTIME 64
-/* Stuff for YAFFS utilities */
+struct iattr {
+ unsigned int ia_valid;
+ unsigned ia_mode;
+ unsigned ia_uid;
+ unsigned ia_gid;
+ unsigned ia_size;
+ unsigned ia_atime;
+ unsigned ia_mtime;
+ unsigned ia_ctime;
+ unsigned int ia_attr_flags;
+};
-#include "stdlib.h"
-#include "stdio.h"
-#include "string.h"
+#endif
-#define YMALLOC(x) malloc(x)
-#define YFREE(x) free(x)
-#define YMALLOC_ALT(x) malloc(x)
-#define YFREE_ALT(x) free(x)
-#define YCHAR char
-#define YUCHAR unsigned char
-#define _Y(x) x
-#define yaffs_strcat(a, b) strcat(a, b)
-#define yaffs_strcpy(a, b) strcpy(a, b)
-#define yaffs_strncpy(a, b, c) strncpy(a, b, c)
-#define yaffs_strnlen(s,m) strnlen(s,m)
-#define yaffs_sprintf sprintf
-#define yaffs_toupper(a) toupper(a)
+#if defined CONFIG_YAFFS_WINCE
-#define Y_INLINE inline
+#include "ywinceenv.h"
-/* #define YINFO(s) YPRINTF(( __FILE__ " %d %s\n",__LINE__,s)) */
-/* #define YALERT(s) YINFO(s) */
-#define TENDSTR "\n"
-#define TSTR(x) x
-#define TOUT(p) printf p
+#elif defined CONFIG_YAFFS_DIRECT
-#define YAFFS_LOSTNFOUND_NAME "lost+found"
-#define YAFFS_LOSTNFOUND_PREFIX "obj"
-/* #define YPRINTF(x) printf x */
+/* Direct interface */
+#include "ydirectenv.h"
-#define YAFFS_ROOT_MODE 0755
-#define YAFFS_LOSTNFOUND_MODE 0700
+#elif defined CONFIG_YAFFS_UTIL
-#define yaffs_sum_cmp(x, y) ((x) == (y))
-#define yaffs_strcmp(a, b) strcmp(a, b)
+#include "yutilsenv.h"
#else
/* Should have specified a configuration type */
#ifndef YBUG
#define YBUG() do {\
- T(YAFFS_TRACE_BUG,\
- (TSTR("==>> yaffs bug: " __FILE__ " %d" TENDSTR),\
- __LINE__));\
+ yaffs_trace(YAFFS_TRACE_BUG,\
+ "==>> yaffs bug: " __FILE__ " %d",\
+ __LINE__);\
Y_DUMP_STACK();\
} while (0)
#endif
-
-#endif
-
-/*
- * YAFFS: Yet another Flash File System . A NAND-flash specific file system.
- *
- * Copyright (C) 2002-2010 Aleph One Ltd.
- * for Toby Churchill Ltd and Brightstar Engineering
- *
- * Created by Charles Manning <charles@aleph1.co.uk>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU Lesser General Public License version 2.1 as
- * published by the Free Software Foundation.
- *
- * Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL.
- */
-
-/*
- * This file is just holds extra declarations of macros that would normally
- * be provided in the Linux kernel. These macros have been written from
- * scratch but are functionally equivalent to the Linux ones.
- *
- */
-
-#ifndef __EXTRAS_H__
-#define __EXTRAS_H__
-
-
-/* Definition of types */
-typedef unsigned char u8;
-typedef unsigned short u16;
-typedef unsigned u32;
-
-
-#ifndef WIN32
-#include <sys/stat.h>
-#endif
-
-
-#ifdef CONFIG_YAFFS_PROVIDE_DEFS
-/* File types */
-
-
-#define DT_UNKNOWN 0
-#define DT_FIFO 1
-#define DT_CHR 2
-#define DT_DIR 4
-#define DT_BLK 6
-#define DT_REG 8
-#define DT_LNK 10
-#define DT_SOCK 12
-#define DT_WHT 14
-
-
-#ifndef WIN32
-#include <sys/stat.h>
-#endif
-
-/*
- * Attribute flags. These should be or-ed together to figure out what
- * has been changed!
- */
-#define ATTR_MODE 1
-#define ATTR_UID 2
-#define ATTR_GID 4
-#define ATTR_SIZE 8
-#define ATTR_ATIME 16
-#define ATTR_MTIME 32
-#define ATTR_CTIME 64
-
-struct iattr {
- unsigned int ia_valid;
- unsigned ia_mode;
- unsigned ia_uid;
- unsigned ia_gid;
- unsigned ia_size;
- unsigned ia_atime;
- unsigned ia_mtime;
- unsigned ia_ctime;
- unsigned int ia_attr_flags;
-};
-
-#endif
-
-
-
#endif
YBUG();
}
- YFREE(allocator);
+ kfree(allocator);
} else {
T(YAFFS_TRACE_ALWAYS,
else if(mount_id >= 10){
T(YAFFS_TRACE_ALWAYS,(TSTR("Bad mount_id %u\n"),mount_id));
} else {
- allocator = YMALLOC(sizeof(yaffs_Allocator));
+ allocator = kmalloc(sizeof(yaffs_Allocator));
memset(allocator,0,sizeof(yaffs_Allocator));
dev->allocator = allocator;
#include "yaffs_trace.h"
#include "yportenv.h"
-#ifdef CONFIG_YAFFS_YMALLOC_ALLOCATOR
+#ifdef CONFIG_YAFFS_KMALLOC_ALLOCATOR
void yaffs_deinit_raw_tnodes_and_objs(struct yaffs_dev *dev)
{
struct yaffs_tnode *yaffs_alloc_raw_tnode(struct yaffs_dev *dev)
{
- return (struct yaffs_tnode *)YMALLOC(dev->tnode_size);
+ return (struct yaffs_tnode *)kmalloc(dev->tnode_size, GFP_NOFS);
}
void yaffs_free_raw_tnode(struct yaffs_dev *dev, struct yaffs_tnode *tn)
{
dev = dev;
- YFREE(tn);
+ kfree(tn);
}
void yaffs_init_raw_objs(struct yaffs_dev *dev)
struct yaffs_obj *yaffs_alloc_raw_obj(struct yaffs_dev *dev)
{
dev = dev;
- return (struct yaffs_obj *)YMALLOC(sizeof(struct yaffs_obj));
+ return (struct yaffs_obj *)kmalloc(sizeof(struct yaffs_obj));
}
void yaffs_free_raw_obj(struct yaffs_dev *dev, struct yaffs_obj *obj)
{
dev = dev;
- YFREE(obj);
+ kfree(obj);
}
#else
while (allocator->alloc_tnode_list) {
tmp = allocator->alloc_tnode_list->next;
- YFREE(allocator->alloc_tnode_list->tnodes);
- YFREE(allocator->alloc_tnode_list);
+ kfree(allocator->alloc_tnode_list->tnodes);
+ kfree(allocator->alloc_tnode_list);
allocator->alloc_tnode_list = tmp;
}
/* make these things */
- new_tnodes = YMALLOC(n_tnodes * dev->tnode_size);
+ new_tnodes = kmalloc(n_tnodes * dev->tnode_size, GFP_NOFS);
mem = (u8 *) new_tnodes;
if (!new_tnodes) {
- T(YAFFS_TRACE_ERROR,
- (TSTR("yaffs: Could not allocate Tnodes" TENDSTR)));
+ yaffs_trace(YAFFS_TRACE_ERROR,
+ "yaffs: Could not allocate Tnodes");
return YAFFS_FAIL;
}
* but it just means we can't free this bunch of tnodes later.
*/
- tnl = YMALLOC(sizeof(struct yaffs_tnode_list));
+ tnl = kmalloc(sizeof(struct yaffs_tnode_list), GFP_NOFS);
if (!tnl) {
- T(YAFFS_TRACE_ERROR,
- (TSTR
- ("yaffs: Could not add tnodes to management list" TENDSTR)));
+ yaffs_trace(YAFFS_TRACE_ERROR,
+ "Could not add tnodes to management list");
return YAFFS_FAIL;
} else {
tnl->tnodes = new_tnodes;
allocator->alloc_tnode_list = tnl;
}
- T(YAFFS_TRACE_ALLOCATE, (TSTR("yaffs: Tnodes added" TENDSTR)));
+ yaffs_trace(YAFFS_TRACE_ALLOCATE,"Tnodes added");
return YAFFS_OK;
}
while (allocator->allocated_obj_list) {
tmp = allocator->allocated_obj_list->next;
- YFREE(allocator->allocated_obj_list->objects);
- YFREE(allocator->allocated_obj_list);
+ kfree(allocator->allocated_obj_list->objects);
+ kfree(allocator->allocated_obj_list);
allocator->allocated_obj_list = tmp;
}
return YAFFS_OK;
/* make these things */
- new_objs = YMALLOC(n_obj * sizeof(struct yaffs_obj));
- list = YMALLOC(sizeof(struct yaffs_obj_list));
+ new_objs = kmalloc(n_obj * sizeof(struct yaffs_obj), GFP_NOFS);
+ list = kmalloc(sizeof(struct yaffs_obj_list), GFP_NOFS);
if (!new_objs || !list) {
if (new_objs) {
- YFREE(new_objs);
+ kfree(new_objs);
new_objs = NULL;
}
if (list) {
- YFREE(list);
+ kfree(list);
list = NULL;
}
- T(YAFFS_TRACE_ALLOCATE,
- (TSTR("yaffs: Could not allocate more objects" TENDSTR)));
+ yaffs_trace(YAFFS_TRACE_ALLOCATE,
+ "Could not allocate more objects");
return YAFFS_FAIL;
}
yaffs_deinit_raw_tnodes(dev);
yaffs_deinit_raw_objs(dev);
- YFREE(dev->allocator);
+ kfree(dev->allocator);
dev->allocator = NULL;
} else {
YBUG();
struct yaffs_allocator *allocator;
if (!dev->allocator) {
- allocator = YMALLOC(sizeof(struct yaffs_allocator));
+ allocator = kmalloc(sizeof(struct yaffs_allocator), GFP_NOFS);
if (allocator) {
dev->allocator = allocator;
yaffs_init_raw_tnodes(dev);
alias = obj->variant.symlink_variant.alias;
if (!alias)
return 0;
- return yaffs_strnlen(alias, YAFFS_MAX_ALIAS_LENGTH);
+ return strnlen(alias, YAFFS_MAX_ALIAS_LENGTH);
default:
return 0;
}
* Chunk bitmap manipulations
*/
-static Y_INLINE u8 *yaffs_block_bits(struct yaffs_dev *dev, int blk)
+static inline u8 *yaffs_block_bits(struct yaffs_dev *dev, int blk)
{
if (blk < dev->internal_start_block || blk > dev->internal_end_block) {
- T(YAFFS_TRACE_ERROR,
- (TSTR("**>> yaffs: BlockBits block %d is not valid" TENDSTR),
- blk));
+ yaffs_trace(YAFFS_TRACE_ERROR,
+ "BlockBits block %d is not valid",
+ blk);
YBUG();
}
return dev->chunk_bits +
{
if (blk < dev->internal_start_block || blk > dev->internal_end_block ||
chunk < 0 || chunk >= dev->param.chunks_per_block) {
- T(YAFFS_TRACE_ERROR,
- (TSTR("**>> yaffs: Chunk Id (%d:%d) invalid" TENDSTR),
- blk, chunk));
+ yaffs_trace(YAFFS_TRACE_ERROR,
+ "Chunk Id (%d:%d) invalid",
+ blk, chunk);
YBUG();
}
}
{
int blocks_avail = dev->n_erased_blocks - dev->param.n_reserved_blocks;
- T(YAFFS_TRACE_CHECKPOINT,
- (TSTR("checkpt blocks available = %d" TENDSTR), blocks_avail));
+ yaffs_trace(YAFFS_TRACE_CHECKPOINT,
+ "checkpt blocks_avail = %d", blocks_avail);
return (blocks_avail <= 0) ? 0 : 1;
}
if (!dev->param.erase_fn)
return 0;
- T(YAFFS_TRACE_CHECKPOINT, (TSTR("checking blocks %d to %d" TENDSTR),
- dev->internal_start_block,
- dev->internal_end_block));
+ yaffs_trace(YAFFS_TRACE_CHECKPOINT,
+ "checking blocks %d to %d",
+ dev->internal_start_block, dev->internal_end_block);
for (i = dev->internal_start_block; i <= dev->internal_end_block; i++) {
struct yaffs_block_info *bi = yaffs_get_block_info(dev, i);
if (bi->block_state == YAFFS_BLOCK_STATE_CHECKPOINT) {
- T(YAFFS_TRACE_CHECKPOINT,
- (TSTR("erasing checkpt block %d" TENDSTR), i));
+ yaffs_trace(YAFFS_TRACE_CHECKPOINT,
+ "erasing checkpt block %d", i);
dev->n_erasures++;
{
int i;
int blocks_avail = dev->n_erased_blocks - dev->param.n_reserved_blocks;
- T(YAFFS_TRACE_CHECKPOINT,
- (TSTR
- ("allocating checkpt block: erased %d reserved %d avail %d next %d "
- TENDSTR), dev->n_erased_blocks, dev->param.n_reserved_blocks,
- blocks_avail, dev->checkpt_next_block));
+ yaffs_trace(YAFFS_TRACE_CHECKPOINT,
+ "allocating checkpt block: erased %d reserved %d avail %d next %d ",
+ dev->n_erased_blocks, dev->param.n_reserved_blocks,
+ blocks_avail, dev->checkpt_next_block);
if (dev->checkpt_next_block >= 0 &&
dev->checkpt_next_block <= dev->internal_end_block &&
if (bi->block_state == YAFFS_BLOCK_STATE_EMPTY) {
dev->checkpt_next_block = i + 1;
dev->checkpt_cur_block = i;
- T(YAFFS_TRACE_CHECKPOINT,
- (TSTR("allocating checkpt block %d" TENDSTR),
- i));
+ yaffs_trace(YAFFS_TRACE_CHECKPOINT,
+ "allocating checkpt block %d", i);
return;
}
}
}
- T(YAFFS_TRACE_CHECKPOINT, (TSTR("out of checkpt blocks" TENDSTR)));
+ yaffs_trace(YAFFS_TRACE_CHECKPOINT, "out of checkpt blocks");
dev->checkpt_next_block = -1;
dev->checkpt_cur_block = -1;
int i;
struct yaffs_ext_tags tags;
- T(YAFFS_TRACE_CHECKPOINT,
- (TSTR("find next checkpt block: start: blocks %d next %d" TENDSTR),
- dev->blocks_in_checkpt, dev->checkpt_next_block));
+ yaffs_trace(YAFFS_TRACE_CHECKPOINT,
+ "find next checkpt block: start: blocks %d next %d",
+ dev->blocks_in_checkpt, dev->checkpt_next_block);
if (dev->blocks_in_checkpt < dev->checkpt_max_blocks)
for (i = dev->checkpt_next_block; i <= dev->internal_end_block;
dev->param.read_chunk_tags_fn(dev, realigned_chunk,
NULL, &tags);
- T(YAFFS_TRACE_CHECKPOINT,
- (TSTR
- ("find next checkpt block: search: block %d oid %d seq %d eccr %d"
- TENDSTR), i, tags.obj_id, tags.seq_number,
- tags.ecc_result));
+ yaffs_trace(YAFFS_TRACE_CHECKPOINT,
+ "find next checkpt block: search: block %d oid %d seq %d eccr %d",
+ i, tags.obj_id, tags.seq_number,
+ tags.ecc_result);
if (tags.seq_number == YAFFS_SEQUENCE_CHECKPOINT_DATA) {
/* Right kind of block */
dev->checkpt_block_list[dev->
blocks_in_checkpt] = i;
dev->blocks_in_checkpt++;
- T(YAFFS_TRACE_CHECKPOINT,
- (TSTR("found checkpt block %d" TENDSTR), i));
+ yaffs_trace(YAFFS_TRACE_CHECKPOINT,
+ "found checkpt block %d", i);
return;
}
}
- T(YAFFS_TRACE_CHECKPOINT,
- (TSTR("found no more checkpt blocks" TENDSTR)));
+ yaffs_trace(YAFFS_TRACE_CHECKPOINT, "found no more checkpt blocks");
dev->checkpt_next_block = -1;
dev->checkpt_cur_block = -1;
if (!dev->checkpt_buffer)
dev->checkpt_buffer =
- YMALLOC_DMA(dev->param.total_bytes_per_chunk);
+ kmalloc(dev->param.total_bytes_per_chunk, GFP_NOFS);
if (!dev->checkpt_buffer)
return 0;
(dev->internal_end_block - dev->internal_start_block) / 16 +
2;
dev->checkpt_block_list =
- YMALLOC(sizeof(int) * dev->checkpt_max_blocks);
+ kmalloc(sizeof(int) * dev->checkpt_max_blocks, GFP_NOFS);
if (!dev->checkpt_block_list)
return 0;
dev->checkpt_cur_block * dev->param.chunks_per_block +
dev->checkpt_cur_chunk;
- T(YAFFS_TRACE_CHECKPOINT,
- (TSTR
- ("checkpoint wite buffer nand %d(%d:%d) objid %d chId %d" TENDSTR),
- chunk, dev->checkpt_cur_block, dev->checkpt_cur_chunk, tags.obj_id,
- tags.chunk_id));
+ yaffs_trace(YAFFS_TRACE_CHECKPOINT,
+ "checkpoint wite buffer nand %d(%d:%d) objid %d chId %d",
+ chunk, dev->checkpt_cur_block, dev->checkpt_cur_chunk,
+ tags.obj_id, tags.chunk_id);
realigned_chunk = chunk - dev->chunk_offset;
/* Todo this looks odd... */
}
}
- YFREE(dev->checkpt_block_list);
+ kfree(dev->checkpt_block_list);
dev->checkpt_block_list = NULL;
}
dev->blocks_in_checkpt * dev->param.chunks_per_block;
dev->n_erased_blocks -= dev->blocks_in_checkpt;
- T(YAFFS_TRACE_CHECKPOINT, (TSTR("checkpoint byte count %d" TENDSTR),
- dev->checkpt_byte_count));
+ yaffs_trace(YAFFS_TRACE_CHECKPOINT,"checkpoint byte count %d",
+ dev->checkpt_byte_count);
if (dev->checkpt_buffer) {
/* free the buffer */
- YFREE(dev->checkpt_buffer);
+ kfree(dev->checkpt_buffer);
dev->checkpt_buffer = NULL;
return 1;
} else {
{
/* Erase the checkpoint data */
- T(YAFFS_TRACE_CHECKPOINT,
- (TSTR("checkpoint invalidate of %d blocks" TENDSTR),
- dev->blocks_in_checkpt));
+ yaffs_trace(YAFFS_TRACE_CHECKPOINT,
+ "checkpoint invalidate of %d blocks",
+ dev->blocks_in_checkpt);
return yaffs_checkpt_erase(dev);
}
#include "yaffs_trace.h"
/* Function to manipulate block info */
-static Y_INLINE struct yaffs_block_info *yaffs_get_block_info(struct yaffs_dev
+static inline struct yaffs_block_info *yaffs_get_block_info(struct yaffs_dev
*dev, int blk)
{
if (blk < dev->internal_start_block || blk > dev->internal_end_block) {
- T(YAFFS_TRACE_ERROR,
- (TSTR
- ("**>> yaffs: get_block_info block %d is not valid" TENDSTR),
- blk));
+ yaffs_trace(YAFFS_TRACE_ERROR,
+ "**>> yaffs: get_block_info block %d is not valid",
+ blk);
YBUG();
}
return &dev->block_info[blk - dev->internal_start_block];
#include "yaffs_ecc.h"
-/* Robustification (if it ever comes about...) */
-static void yaffs_retire_block(struct yaffs_dev *dev, int flash_block);
-static void yaffs_handle_chunk_wr_error(struct yaffs_dev *dev, int nand_chunk,
- int erased_ok);
-static void yaffs_handle_chunk_wr_ok(struct yaffs_dev *dev, int nand_chunk,
- const u8 * data,
- const struct yaffs_ext_tags *tags);
-static void yaffs_handle_chunk_update(struct yaffs_dev *dev, int nand_chunk,
- const struct yaffs_ext_tags *tags);
-
-/* Other local prototypes */
-static void yaffs_update_parent(struct yaffs_obj *obj);
-static int yaffs_unlink_obj(struct yaffs_obj *obj);
-static int yaffs_obj_cache_dirty(struct yaffs_obj *obj);
-
-static int yaffs_write_new_chunk(struct yaffs_dev *dev,
- const u8 * buffer,
- struct yaffs_ext_tags *tags, int use_reserver);
-
-static struct yaffs_obj *yaffs_new_obj(struct yaffs_dev *dev, int number,
- enum yaffs_obj_type type);
-
-static int yaffs_apply_xattrib_mod(struct yaffs_obj *obj, char *buffer,
- struct yaffs_xattr_mod *xmod);
-
-static void yaffs_remove_obj_from_dir(struct yaffs_obj *obj);
-static int yaffs_generic_obj_del(struct yaffs_obj *in);
-
-static int yaffs_check_chunk_erased(struct yaffs_dev *dev, int nand_chunk);
-
-static int yaffs_unlink_worker(struct yaffs_obj *obj);
-
-static int yaffs_tags_match(const struct yaffs_ext_tags *tags, int obj_id,
- int chunk_obj);
-
-static int yaffs_alloc_chunk(struct yaffs_dev *dev, int use_reserver,
- struct yaffs_block_info **block_ptr);
-
-static void yaffs_check_obj_details_loaded(struct yaffs_obj *in);
+/* Forward declarations */
-static void yaffs_invalidate_whole_cache(struct yaffs_obj *in);
-static void yaffs_invalidate_chunk_cache(struct yaffs_obj *object,
- int chunk_id);
-
-static int yaffs_find_chunk_in_file(struct yaffs_obj *in, int inode_chunk,
- struct yaffs_ext_tags *tags);
+static int yaffs_wr_data_obj(struct yaffs_obj *in, int inode_chunk,
+ const u8 * buffer, int n_bytes, int use_reserve);
-static int yaffs_verify_chunk_written(struct yaffs_dev *dev,
- int nand_chunk,
- const u8 * data,
- struct yaffs_ext_tags *tags);
-static void yaffs_load_name_from_oh(struct yaffs_dev *dev, YCHAR * name,
- const YCHAR * oh_name, int buff_size);
-static void yaffs_load_oh_from_name(struct yaffs_dev *dev, YCHAR * oh_name,
- const YCHAR * name);
/* Function to calculate chunk and offset */
for (i = 0; buf && i < YAFFS_N_TEMP_BUFFERS; i++) {
dev->temp_buffer[i].line = 0; /* not in use */
dev->temp_buffer[i].buffer = buf =
- YMALLOC_DMA(dev->param.total_bytes_per_chunk);
+ kmalloc(dev->param.total_bytes_per_chunk, GFP_NOFS);
}
return buf ? YAFFS_OK : YAFFS_FAIL;
}
}
- T(YAFFS_TRACE_BUFFERS,
- (TSTR("Out of temp buffers at line %d, other held by lines:"),
- line_no));
+ yaffs_trace(YAFFS_TRACE_BUFFERS,
+ "Out of temp buffers at line %d, other held by lines:",
+ line_no);
for (i = 0; i < YAFFS_N_TEMP_BUFFERS; i++)
- T(YAFFS_TRACE_BUFFERS,
- (TSTR(" %d "), dev->temp_buffer[i].line));
-
- T(YAFFS_TRACE_BUFFERS, (TSTR(" " TENDSTR)));
+ yaffs_trace(YAFFS_TRACE_BUFFERS," %d", dev->temp_buffer[i].line);
/*
* If we got here then we have to allocate an unmanaged one
*/
dev->unmanaged_buffer_allocs++;
- return YMALLOC(dev->data_bytes_per_chunk);
+ return kmalloc(dev->data_bytes_per_chunk, GFP_NOFS);
}
if (buffer) {
/* assume it is an unmanaged one. */
- T(YAFFS_TRACE_BUFFERS,
- (TSTR("Releasing unmanaged temp buffer in line %d" TENDSTR),
- line_no));
- YFREE(buffer);
+ yaffs_trace(YAFFS_TRACE_BUFFERS,
+ "Releasing unmanaged temp buffer in line %d",
+ line_no);
+ kfree(buffer);
dev->unmanaged_buffer_deallocs++;
}
if (buffer == dev->checkpt_buffer)
return 1;
- T(YAFFS_TRACE_ALWAYS,
- (TSTR("yaffs: unmaged buffer detected.\n" TENDSTR)));
+ yaffs_trace(YAFFS_TRACE_ALWAYS,
+ "yaffs: unmaged buffer detected.");
return 0;
}
+/*
+ * Functions for robustisizing TODO
+ *
+ */
+
+static void yaffs_handle_chunk_wr_ok(struct yaffs_dev *dev, int nand_chunk,
+ const u8 * data,
+ const struct yaffs_ext_tags *tags)
+{
+ dev = dev;
+ nand_chunk = nand_chunk;
+ data = data;
+ tags = tags;
+}
+
+static void yaffs_handle_chunk_update(struct yaffs_dev *dev, int nand_chunk,
+ const struct yaffs_ext_tags *tags)
+{
+ dev = dev;
+ nand_chunk = nand_chunk;
+ tags = tags;
+}
+
+void yaffs_handle_chunk_error(struct yaffs_dev *dev,
+ struct yaffs_block_info *bi)
+{
+ if (!bi->gc_prioritise) {
+ bi->gc_prioritise = 1;
+ dev->has_pending_prioritised_gc = 1;
+ bi->chunk_error_strikes++;
+
+ if (bi->chunk_error_strikes > 3) {
+ bi->needs_retiring = 1; /* Too many stikes, so retire this */
+ yaffs_trace(YAFFS_TRACE_ALWAYS, "yaffs: Block struck out");
+
+ }
+ }
+}
+
+static void yaffs_handle_chunk_wr_error(struct yaffs_dev *dev, int nand_chunk,
+ int erased_ok)
+{
+ int flash_block = nand_chunk / dev->param.chunks_per_block;
+ struct yaffs_block_info *bi = yaffs_get_block_info(dev, flash_block);
+
+ yaffs_handle_chunk_error(dev, bi);
+
+ if (erased_ok) {
+ /* Was an actual write failure, so mark the block for retirement */
+ bi->needs_retiring = 1;
+ yaffs_trace(YAFFS_TRACE_ERROR | YAFFS_TRACE_BAD_BLOCKS,
+ "**>> Block %d needs retiring", flash_block);
+ }
+
+ /* Delete the chunk */
+ yaffs_chunk_del(dev, nand_chunk, 1, __LINE__);
+ yaffs_skip_rest_of_block(dev);
+}
+
/*
* Verification code
*/
* Simple hash function. Needs to have a reasonable spread
*/
-static Y_INLINE int yaffs_hash_fn(int n)
+static inline int yaffs_hash_fn(int n)
{
n = abs(n);
return n % YAFFS_NOBJECT_BUCKETS;
if (tags.ecc_result > YAFFS_ECC_RESULT_NO_ERROR)
retval = YAFFS_FAIL;
- if (!yaffs_check_ff(data, dev->data_bytes_per_chunk) || tags.chunk_used) {
- T(YAFFS_TRACE_NANDACCESS,
- (TSTR("Chunk %d not erased" TENDSTR), nand_chunk));
+ if (!yaffs_check_ff(data, dev->data_bytes_per_chunk) ||
+ tags.chunk_used) {
+ yaffs_trace(YAFFS_TRACE_NANDACCESS, "Chunk %d not erased", nand_chunk);
retval = YAFFS_FAIL;
}
return retval;
}
+
+int yaffs_check_alloc_available(struct yaffs_dev *dev, int n_chunks)
+{
+ int reserved_chunks;
+ int reserved_blocks = dev->param.n_reserved_blocks;
+ int checkpt_blocks;
+
+ checkpt_blocks = yaffs_calc_checkpt_blocks_required(dev);
+
+ reserved_chunks =
+ ((reserved_blocks + checkpt_blocks) * dev->param.chunks_per_block);
+
+ return (dev->n_free_chunks > (reserved_chunks + n_chunks));
+}
+
+static int yaffs_find_alloc_block(struct yaffs_dev *dev)
+{
+ int i;
+
+ struct yaffs_block_info *bi;
+
+ if (dev->n_erased_blocks < 1) {
+ /* Hoosterman we've got a problem.
+ * Can't get space to gc
+ */
+ yaffs_trace(YAFFS_TRACE_ERROR,
+ "yaffs tragedy: no more erased blocks" );
+
+ return -1;
+ }
+
+ /* Find an empty block. */
+
+ for (i = dev->internal_start_block; i <= dev->internal_end_block; i++) {
+ dev->alloc_block_finder++;
+ if (dev->alloc_block_finder < dev->internal_start_block
+ || dev->alloc_block_finder > dev->internal_end_block) {
+ dev->alloc_block_finder = dev->internal_start_block;
+ }
+
+ bi = yaffs_get_block_info(dev, dev->alloc_block_finder);
+
+ if (bi->block_state == YAFFS_BLOCK_STATE_EMPTY) {
+ bi->block_state = YAFFS_BLOCK_STATE_ALLOCATING;
+ dev->seq_number++;
+ bi->seq_number = dev->seq_number;
+ dev->n_erased_blocks--;
+ yaffs_trace(YAFFS_TRACE_ALLOCATE,
+ "Allocated block %d, seq %d, %d left" ,
+ dev->alloc_block_finder, dev->seq_number,
+ dev->n_erased_blocks);
+ return dev->alloc_block_finder;
+ }
+ }
+
+ yaffs_trace(YAFFS_TRACE_ALWAYS,
+ "yaffs tragedy: no more erased blocks, but there should have been %d",
+ dev->n_erased_blocks);
+
+ return -1;
+}
+
+static int yaffs_alloc_chunk(struct yaffs_dev *dev, int use_reserver,
+ struct yaffs_block_info **block_ptr)
+{
+ int ret_val;
+ struct yaffs_block_info *bi;
+
+ if (dev->alloc_block < 0) {
+ /* Get next block to allocate off */
+ dev->alloc_block = yaffs_find_alloc_block(dev);
+ dev->alloc_page = 0;
+ }
+
+ if (!use_reserver && !yaffs_check_alloc_available(dev, 1)) {
+ /* Not enough space to allocate unless we're allowed to use the reserve. */
+ return -1;
+ }
+
+ if (dev->n_erased_blocks < dev->param.n_reserved_blocks
+ && dev->alloc_page == 0)
+ yaffs_trace(YAFFS_TRACE_ALLOCATE, "Allocating reserve");
+
+ /* Next page please.... */
+ if (dev->alloc_block >= 0) {
+ bi = yaffs_get_block_info(dev, dev->alloc_block);
+
+ ret_val = (dev->alloc_block * dev->param.chunks_per_block) +
+ dev->alloc_page;
+ bi->pages_in_use++;
+ yaffs_set_chunk_bit(dev, dev->alloc_block, dev->alloc_page);
+
+ dev->alloc_page++;
+
+ dev->n_free_chunks--;
+
+ /* If the block is full set the state to full */
+ if (dev->alloc_page >= dev->param.chunks_per_block) {
+ bi->block_state = YAFFS_BLOCK_STATE_FULL;
+ dev->alloc_block = -1;
+ }
+
+ if (block_ptr)
+ *block_ptr = bi;
+
+ return ret_val;
+ }
+
+ yaffs_trace(YAFFS_TRACE_ERROR, "!!!!!!!!! Allocator out !!!!!!!!!!!!!!!!!" );
+
+ return -1;
+}
+
+static int yaffs_get_erased_chunks(struct yaffs_dev *dev)
+{
+ int n;
+
+ n = dev->n_erased_blocks * dev->param.chunks_per_block;
+
+ if (dev->alloc_block > 0)
+ n += (dev->param.chunks_per_block - dev->alloc_page);
+
+ return n;
+
+}
+
+/*
+ * yaffs_skip_rest_of_block() skips over the rest of the allocation block
+ * if we don't want to write to it.
+ */
+void yaffs_skip_rest_of_block(struct yaffs_dev *dev)
+{
+ if (dev->alloc_block > 0) {
+ struct yaffs_block_info *bi =
+ yaffs_get_block_info(dev, dev->alloc_block);
+ if (bi->block_state == YAFFS_BLOCK_STATE_ALLOCATING) {
+ bi->block_state = YAFFS_BLOCK_STATE_FULL;
+ dev->alloc_block = -1;
+ }
+ }
+}
+
static int yaffs_write_new_chunk(struct yaffs_dev *dev,
const u8 * data,
struct yaffs_ext_tags *tags, int use_reserver)
if (!bi->skip_erased_check) {
erased_ok = yaffs_check_chunk_erased(dev, chunk);
if (erased_ok != YAFFS_OK) {
- T(YAFFS_TRACE_ERROR,
- (TSTR("**>> yaffs chunk %d was not erased"
- TENDSTR), chunk));
+ yaffs_trace(YAFFS_TRACE_ERROR,
+ "**>> yaffs chunk %d was not erased",
+ chunk);
/* If not erased, delete this one,
* skip rest of block and
chunk = -1;
if (attempts > 1) {
- T(YAFFS_TRACE_ERROR,
- (TSTR("**>> yaffs write required %d attempts" TENDSTR),
- attempts));
-
+ yaffs_trace(YAFFS_TRACE_ERROR,
+ "**>> yaffs write required %d attempts",
+ attempts);
dev->n_retired_writes += (attempts - 1);
}
if (yaffs_mark_bad(dev, flash_block) != YAFFS_OK) {
if (yaffs_erase_block(dev, flash_block) != YAFFS_OK) {
- T(YAFFS_TRACE_ALWAYS,
- (TSTR
- ("yaffs: Failed to mark bad and erase block %d"
- TENDSTR), flash_block));
+ yaffs_trace(YAFFS_TRACE_ALWAYS,
+ "yaffs: Failed to mark bad and erase block %d",
+ flash_block);
} else {
struct yaffs_ext_tags tags;
int chunk_id =
dev->chunk_offset,
buffer,
&tags) != YAFFS_OK)
- T(YAFFS_TRACE_ALWAYS,
- (TSTR
- ("yaffs: Failed to "
- TCONT("write bad block marker to block %d")
- TENDSTR), flash_block));
+ yaffs_trace(YAFFS_TRACE_ALWAYS,
+ "yaffs: Failed to write bad block marker to block %d",
+ flash_block);
yaffs_release_temp_buffer(dev, buffer, __LINE__);
}
dev->n_retired_blocks++;
}
-/*
- * Functions for robustisizing TODO
- *
- */
+/*---------------- Name handling functions ------------*/
-static void yaffs_handle_chunk_wr_ok(struct yaffs_dev *dev, int nand_chunk,
- const u8 * data,
- const struct yaffs_ext_tags *tags)
+static u16 yaffs_calc_name_sum(const YCHAR * name)
{
- dev = dev;
- nand_chunk = nand_chunk;
- data = data;
- tags = tags;
+ u16 sum = 0;
+ u16 i = 1;
+
+ const YUCHAR *bname = (const YUCHAR *)name;
+ if (bname) {
+ while ((*bname) && (i < (YAFFS_MAX_NAME_LENGTH / 2))) {
+
+ /* 0x1f mask is case insensitive */
+ sum += ((*bname) & 0x1f) * i;
+ i++;
+ bname++;
+ }
+ }
+ return sum;
}
-static void yaffs_handle_chunk_update(struct yaffs_dev *dev, int nand_chunk,
- const struct yaffs_ext_tags *tags)
+void yaffs_set_obj_name(struct yaffs_obj *obj, const YCHAR * name)
{
- dev = dev;
- nand_chunk = nand_chunk;
- tags = tags;
-}
-
-void yaffs_handle_chunk_error(struct yaffs_dev *dev,
- struct yaffs_block_info *bi)
-{
- if (!bi->gc_prioritise) {
- bi->gc_prioritise = 1;
- dev->has_pending_prioritised_gc = 1;
- bi->chunk_error_strikes++;
-
- if (bi->chunk_error_strikes > 3) {
- bi->needs_retiring = 1; /* Too many stikes, so retire this */
- T(YAFFS_TRACE_ALWAYS,
- (TSTR("yaffs: Block struck out" TENDSTR)));
-
- }
- }
-}
-
-static void yaffs_handle_chunk_wr_error(struct yaffs_dev *dev, int nand_chunk,
- int erased_ok)
-{
- int flash_block = nand_chunk / dev->param.chunks_per_block;
- struct yaffs_block_info *bi = yaffs_get_block_info(dev, flash_block);
-
- yaffs_handle_chunk_error(dev, bi);
-
- if (erased_ok) {
- /* Was an actual write failure, so mark the block for retirement */
- bi->needs_retiring = 1;
- T(YAFFS_TRACE_ERROR | YAFFS_TRACE_BAD_BLOCKS,
- (TSTR("**>> Block %d needs retiring" TENDSTR), flash_block));
- }
-
- /* Delete the chunk */
- yaffs_chunk_del(dev, nand_chunk, 1, __LINE__);
- yaffs_skip_rest_of_block(dev);
-}
-
-/*---------------- Name handling functions ------------*/
-
-static u16 yaffs_calc_name_sum(const YCHAR * name)
-{
- u16 sum = 0;
- u16 i = 1;
-
- const YUCHAR *bname = (const YUCHAR *)name;
- if (bname) {
- while ((*bname) && (i < (YAFFS_MAX_NAME_LENGTH / 2))) {
-
- /* 0x1f mask is case insensitive */
- sum += ((*bname) & 0x1f) * i;
- i++;
- bname++;
- }
- }
- return sum;
-}
-
-void yaffs_set_obj_name(struct yaffs_obj *obj, const YCHAR * name)
-{
-#ifndef CONFIG_YAFFS_NO_SHORT_NAMES
- memset(obj->short_name, 0, sizeof(obj->short_name));
- if (name &&
- yaffs_strnlen(name, YAFFS_SHORT_NAME_LENGTH + 1) <=
- YAFFS_SHORT_NAME_LENGTH)
- yaffs_strcpy(obj->short_name, name);
- else
- obj->short_name[0] = _Y('\0');
-#endif
- obj->sum = yaffs_calc_name_sum(name);
+#ifndef CONFIG_YAFFS_NO_SHORT_NAMES
+ memset(obj->short_name, 0, sizeof(obj->short_name));
+ if (name &&
+ strnlen(name, YAFFS_SHORT_NAME_LENGTH + 1) <=
+ YAFFS_SHORT_NAME_LENGTH)
+ strcpy(obj->short_name, name);
+ else
+ obj->short_name[0] = _Y('\0');
+#endif
+ obj->sum = yaffs_calc_name_sum(name);
}
void yaffs_set_obj_name_from_oh(struct yaffs_obj *obj,
file_struct->top = tn;
file_struct->top_level++;
} else {
- T(YAFFS_TRACE_ERROR,
- (TSTR("yaffs: no more tnodes" TENDSTR)));
+ yaffs_trace(YAFFS_TRACE_ERROR, "yaffs: no more tnodes");
return NULL;
}
}
return tn;
}
+static int yaffs_tags_match(const struct yaffs_ext_tags *tags, int obj_id,
+ int chunk_obj)
+{
+ return (tags->chunk_id == chunk_obj &&
+ tags->obj_id == obj_id && !tags->is_deleted) ? 1 : 0;
+
+}
+
static int yaffs_find_chunk_in_group(struct yaffs_dev *dev, int the_chunk,
struct yaffs_ext_tags *tags, int obj_id,
int inode_chunk)
return -1;
}
+static int yaffs_find_chunk_in_file(struct yaffs_obj *in, int inode_chunk,
+ struct yaffs_ext_tags *tags)
+{
+ /*Get the Tnode, then get the level 0 offset chunk offset */
+ struct yaffs_tnode *tn;
+ int the_chunk = -1;
+ struct yaffs_ext_tags local_tags;
+ int ret_val = -1;
+
+ struct yaffs_dev *dev = in->my_dev;
+
+ if (!tags) {
+ /* Passed a NULL, so use our own tags space */
+ tags = &local_tags;
+ }
+
+ tn = yaffs_find_tnode_0(dev, &in->variant.file_variant, inode_chunk);
+
+ if (tn) {
+ the_chunk = yaffs_get_group_base(dev, tn, inode_chunk);
+
+ ret_val =
+ yaffs_find_chunk_in_group(dev, the_chunk, tags, in->obj_id,
+ inode_chunk);
+ }
+ return ret_val;
+}
+
+static int yaffs_find_del_file_chunk(struct yaffs_obj *in, int inode_chunk,
+ struct yaffs_ext_tags *tags)
+{
+ /* Get the Tnode, then get the level 0 offset chunk offset */
+ struct yaffs_tnode *tn;
+ int the_chunk = -1;
+ struct yaffs_ext_tags local_tags;
+
+ struct yaffs_dev *dev = in->my_dev;
+ int ret_val = -1;
+
+ if (!tags) {
+ /* Passed a NULL, so use our own tags space */
+ tags = &local_tags;
+ }
+
+ tn = yaffs_find_tnode_0(dev, &in->variant.file_variant, inode_chunk);
+
+ if (tn) {
+
+ the_chunk = yaffs_get_group_base(dev, tn, inode_chunk);
+
+ ret_val =
+ yaffs_find_chunk_in_group(dev, the_chunk, tags, in->obj_id,
+ inode_chunk);
+
+ /* Delete the entry in the filestructure (if found) */
+ if (ret_val != -1)
+ yaffs_load_tnode_0(dev, tn, inode_chunk, 0);
+ }
+
+ return ret_val;
+}
+
+int yaffs_put_chunk_in_file(struct yaffs_obj *in, int inode_chunk,
+ int nand_chunk, int in_scan)
+{
+ /* NB in_scan is zero unless scanning.
+ * For forward scanning, in_scan is > 0;
+ * for backward scanning in_scan is < 0
+ *
+ * nand_chunk = 0 is a dummy insert to make sure the tnodes are there.
+ */
+
+ struct yaffs_tnode *tn;
+ struct yaffs_dev *dev = in->my_dev;
+ int existing_cunk;
+ struct yaffs_ext_tags existing_tags;
+ struct yaffs_ext_tags new_tags;
+ unsigned existing_serial, new_serial;
+
+ if (in->variant_type != YAFFS_OBJECT_TYPE_FILE) {
+ /* Just ignore an attempt at putting a chunk into a non-file during scanning
+ * If it is not during Scanning then something went wrong!
+ */
+ if (!in_scan) {
+ yaffs_trace(YAFFS_TRACE_ERROR,
+ "yaffs tragedy:attempt to put data chunk into a non-file"
+ );
+ YBUG();
+ }
+
+ yaffs_chunk_del(dev, nand_chunk, 1, __LINE__);
+ return YAFFS_OK;
+ }
+
+ tn = yaffs_add_find_tnode_0(dev,
+ &in->variant.file_variant,
+ inode_chunk, NULL);
+ if (!tn)
+ return YAFFS_FAIL;
+
+ if (!nand_chunk)
+ /* Dummy insert, bail now */
+ return YAFFS_OK;
+
+ existing_cunk = yaffs_get_group_base(dev, tn, inode_chunk);
+
+ if (in_scan != 0) {
+ /* If we're scanning then we need to test for duplicates
+ * NB This does not need to be efficient since it should only ever
+ * happen when the power fails during a write, then only one
+ * chunk should ever be affected.
+ *
+ * Correction for YAFFS2: This could happen quite a lot and we need to think about efficiency! TODO
+ * Update: For backward scanning we don't need to re-read tags so this is quite cheap.
+ */
+
+ if (existing_cunk > 0) {
+ /* NB Right now existing chunk will not be real chunk_id if the chunk group size > 1
+ * thus we have to do a FindChunkInFile to get the real chunk id.
+ *
+ * We have a duplicate now we need to decide which one to use:
+ *
+ * Backwards scanning YAFFS2: The old one is what we use, dump the new one.
+ * Forward scanning YAFFS2: The new one is what we use, dump the old one.
+ * YAFFS1: Get both sets of tags and compare serial numbers.
+ */
+
+ if (in_scan > 0) {
+ /* Only do this for forward scanning */
+ yaffs_rd_chunk_tags_nand(dev,
+ nand_chunk,
+ NULL, &new_tags);
+
+ /* Do a proper find */
+ existing_cunk =
+ yaffs_find_chunk_in_file(in, inode_chunk,
+ &existing_tags);
+ }
+
+ if (existing_cunk <= 0) {
+ /*Hoosterman - how did this happen? */
+
+ yaffs_trace(YAFFS_TRACE_ERROR,
+ "yaffs tragedy: existing chunk < 0 in scan"
+ );
+
+ }
+
+ /* NB The deleted flags should be false, otherwise the chunks will
+ * not be loaded during a scan
+ */
+
+ if (in_scan > 0) {
+ new_serial = new_tags.serial_number;
+ existing_serial = existing_tags.serial_number;
+ }
+
+ if ((in_scan > 0) &&
+ (existing_cunk <= 0 ||
+ ((existing_serial + 1) & 3) == new_serial)) {
+ /* Forward scanning.
+ * Use new
+ * Delete the old one and drop through to update the tnode
+ */
+ yaffs_chunk_del(dev, existing_cunk, 1,
+ __LINE__);
+ } else {
+ /* Backward scanning or we want to use the existing one
+ * Use existing.
+ * Delete the new one and return early so that the tnode isn't changed
+ */
+ yaffs_chunk_del(dev, nand_chunk, 1, __LINE__);
+ return YAFFS_OK;
+ }
+ }
+
+ }
+
+ if (existing_cunk == 0)
+ in->n_data_chunks++;
+
+ yaffs_load_tnode_0(dev, tn, inode_chunk, nand_chunk);
+
+ return YAFFS_OK;
+}
+
static void yaffs_soft_del_chunk(struct yaffs_dev *dev, int chunk)
{
struct yaffs_block_info *the_block;
unsigned block_no;
- T(YAFFS_TRACE_DELETION, (TSTR("soft delete chunk %d" TENDSTR), chunk));
+ yaffs_trace(YAFFS_TRACE_DELETION, "soft delete chunk %d", chunk);
block_no = chunk / dev->param.chunks_per_block;
the_block = yaffs_get_block_info(dev, block_no);
}
-static void yaffs_soft_del_file(struct yaffs_obj *obj)
+static void yaffs_remove_obj_from_dir(struct yaffs_obj *obj)
{
- if (obj->deleted &&
+ struct yaffs_dev *dev = obj->my_dev;
+ struct yaffs_obj *parent;
+
+ yaffs_verify_obj_in_dir(obj);
+ parent = obj->parent;
+
+ yaffs_verify_dir(parent);
+
+ if (dev && dev->param.remove_obj_fn)
+ dev->param.remove_obj_fn(obj);
+
+ list_del_init(&obj->siblings);
+ obj->parent = NULL;
+
+ yaffs_verify_dir(parent);
+}
+
+void yaffs_add_obj_to_dir(struct yaffs_obj *directory, struct yaffs_obj *obj)
+{
+ if (!directory) {
+ yaffs_trace(YAFFS_TRACE_ALWAYS,
+ "tragedy: Trying to add an object to a null pointer directory"
+ );
+ YBUG();
+ return;
+ }
+ if (directory->variant_type != YAFFS_OBJECT_TYPE_DIRECTORY) {
+ yaffs_trace(YAFFS_TRACE_ALWAYS,
+ "tragedy: Trying to add an object to a non-directory"
+ );
+ YBUG();
+ }
+
+ if (obj->siblings.prev == NULL) {
+ /* Not initialised */
+ YBUG();
+ }
+
+ yaffs_verify_dir(directory);
+
+ yaffs_remove_obj_from_dir(obj);
+
+ /* Now add it */
+ list_add(&obj->siblings, &directory->variant.dir_variant.children);
+ obj->parent = directory;
+
+ if (directory == obj->my_dev->unlinked_dir
+ || directory == obj->my_dev->del_dir) {
+ obj->unlinked = 1;
+ obj->my_dev->n_unlinked_files++;
+ obj->rename_allowed = 0;
+ }
+
+ yaffs_verify_dir(directory);
+ yaffs_verify_obj_in_dir(obj);
+}
+
+static int yaffs_change_obj_name(struct yaffs_obj *obj,
+ struct yaffs_obj *new_dir,
+ const YCHAR * new_name, int force, int shadows)
+{
+ int unlink_op;
+ int del_op;
+
+ struct yaffs_obj *existing_target;
+
+ if (new_dir == NULL)
+ new_dir = obj->parent; /* use the old directory */
+
+ if (new_dir->variant_type != YAFFS_OBJECT_TYPE_DIRECTORY) {
+ yaffs_trace(YAFFS_TRACE_ALWAYS,
+ "tragedy: yaffs_change_obj_name: new_dir is not a directory"
+ );
+ YBUG();
+ }
+
+ /* TODO: Do we need this different handling for YAFFS2 and YAFFS1?? */
+ if (obj->my_dev->param.is_yaffs2)
+ unlink_op = (new_dir == obj->my_dev->unlinked_dir);
+ else
+ unlink_op = (new_dir == obj->my_dev->unlinked_dir
+ && obj->variant_type == YAFFS_OBJECT_TYPE_FILE);
+
+ del_op = (new_dir == obj->my_dev->del_dir);
+
+ existing_target = yaffs_find_by_name(new_dir, new_name);
+
+ /* If the object is a file going into the unlinked directory,
+ * then it is OK to just stuff it in since duplicate names are allowed.
+ * else only proceed if the new name does not exist and if we're putting
+ * it into a directory.
+ */
+ if ((unlink_op ||
+ del_op ||
+ force ||
+ (shadows > 0) ||
+ !existing_target) &&
+ new_dir->variant_type == YAFFS_OBJECT_TYPE_DIRECTORY) {
+ yaffs_set_obj_name(obj, new_name);
+ obj->dirty = 1;
+
+ yaffs_add_obj_to_dir(new_dir, obj);
+
+ if (unlink_op)
+ obj->unlinked = 1;
+
+ /* If it is a deletion then we mark it as a shrink for gc purposes. */
+ if (yaffs_update_oh(obj, new_name, 0, del_op, shadows, NULL) >=
+ 0)
+ return YAFFS_OK;
+ }
+
+ return YAFFS_FAIL;
+}
+
+/*------------------------ Short Operations Cache ----------------------------------------
+ * In many situations where there is no high level buffering a lot of
+ * reads might be short sequential reads, and a lot of writes may be short
+ * sequential writes. eg. scanning/writing a jpeg file.
+ * In these cases, a short read/write cache can provide a huge perfomance
+ * benefit with dumb-as-a-rock code.
+ * In Linux, the page cache provides read buffering and the short op cache
+ * provides write buffering.
+ *
+ * There are a limited number (~10) of cache chunks per device so that we don't
+ * need a very intelligent search.
+ */
+
+static int yaffs_obj_cache_dirty(struct yaffs_obj *obj)
+{
+ struct yaffs_dev *dev = obj->my_dev;
+ int i;
+ struct yaffs_cache *cache;
+ int n_caches = obj->my_dev->param.n_caches;
+
+ for (i = 0; i < n_caches; i++) {
+ cache = &dev->cache[i];
+ if (cache->object == obj && cache->dirty)
+ return 1;
+ }
+
+ return 0;
+}
+
+static void yaffs_flush_file_cache(struct yaffs_obj *obj)
+{
+ struct yaffs_dev *dev = obj->my_dev;
+ int lowest = -99; /* Stop compiler whining. */
+ int i;
+ struct yaffs_cache *cache;
+ int chunk_written = 0;
+ int n_caches = obj->my_dev->param.n_caches;
+
+ if (n_caches > 0) {
+ do {
+ cache = NULL;
+
+ /* Find the dirty cache for this object with the lowest chunk id. */
+ for (i = 0; i < n_caches; i++) {
+ if (dev->cache[i].object == obj &&
+ dev->cache[i].dirty) {
+ if (!cache
+ || dev->cache[i].chunk_id <
+ lowest) {
+ cache = &dev->cache[i];
+ lowest = cache->chunk_id;
+ }
+ }
+ }
+
+ if (cache && !cache->locked) {
+ /* Write it out and free it up */
+
+ chunk_written =
+ yaffs_wr_data_obj(cache->object,
+ cache->chunk_id,
+ cache->data,
+ cache->n_bytes, 1);
+ cache->dirty = 0;
+ cache->object = NULL;
+ }
+
+ } while (cache && chunk_written > 0);
+
+ if (cache)
+ /* Hoosterman, disk full while writing cache out. */
+ yaffs_trace(YAFFS_TRACE_ERROR,
+ "yaffs tragedy: no space during cache write");
+
+ }
+
+}
+
+/*yaffs_flush_whole_cache(dev)
+ *
+ *
+ */
+
+void yaffs_flush_whole_cache(struct yaffs_dev *dev)
+{
+ struct yaffs_obj *obj;
+ int n_caches = dev->param.n_caches;
+ int i;
+
+ /* Find a dirty object in the cache and flush it...
+ * until there are no further dirty objects.
+ */
+ do {
+ obj = NULL;
+ for (i = 0; i < n_caches && !obj; i++) {
+ if (dev->cache[i].object && dev->cache[i].dirty)
+ obj = dev->cache[i].object;
+
+ }
+ if (obj)
+ yaffs_flush_file_cache(obj);
+
+ } while (obj);
+
+}
+
+/* Grab us a cache chunk for use.
+ * First look for an empty one.
+ * Then look for the least recently used non-dirty one.
+ * Then look for the least recently used dirty one...., flush and look again.
+ */
+static struct yaffs_cache *yaffs_grab_chunk_worker(struct yaffs_dev *dev)
+{
+ int i;
+
+ if (dev->param.n_caches > 0) {
+ for (i = 0; i < dev->param.n_caches; i++) {
+ if (!dev->cache[i].object)
+ return &dev->cache[i];
+ }
+ }
+
+ return NULL;
+}
+
+static struct yaffs_cache *yaffs_grab_chunk_cache(struct yaffs_dev *dev)
+{
+ struct yaffs_cache *cache;
+ struct yaffs_obj *the_obj;
+ int usage;
+ int i;
+ int pushout;
+
+ if (dev->param.n_caches > 0) {
+ /* Try find a non-dirty one... */
+
+ cache = yaffs_grab_chunk_worker(dev);
+
+ if (!cache) {
+ /* They were all dirty, find the last recently used object and flush
+ * its cache, then find again.
+ * NB what's here is not very accurate, we actually flush the object
+ * the last recently used page.
+ */
+
+ /* With locking we can't assume we can use entry zero */
+
+ the_obj = NULL;
+ usage = -1;
+ cache = NULL;
+ pushout = -1;
+
+ for (i = 0; i < dev->param.n_caches; i++) {
+ if (dev->cache[i].object &&
+ !dev->cache[i].locked &&
+ (dev->cache[i].last_use < usage
+ || !cache)) {
+ usage = dev->cache[i].last_use;
+ the_obj = dev->cache[i].object;
+ cache = &dev->cache[i];
+ pushout = i;
+ }
+ }
+
+ if (!cache || cache->dirty) {
+ /* Flush and try again */
+ yaffs_flush_file_cache(the_obj);
+ cache = yaffs_grab_chunk_worker(dev);
+ }
+
+ }
+ return cache;
+ } else {
+ return NULL;
+ }
+}
+
+/* Find a cached chunk */
+static struct yaffs_cache *yaffs_find_chunk_cache(const struct yaffs_obj *obj,
+ int chunk_id)
+{
+ struct yaffs_dev *dev = obj->my_dev;
+ int i;
+ if (dev->param.n_caches > 0) {
+ for (i = 0; i < dev->param.n_caches; i++) {
+ if (dev->cache[i].object == obj &&
+ dev->cache[i].chunk_id == chunk_id) {
+ dev->cache_hits++;
+
+ return &dev->cache[i];
+ }
+ }
+ }
+ return NULL;
+}
+
+/* Mark the chunk for the least recently used algorithym */
+static void yaffs_use_cache(struct yaffs_dev *dev, struct yaffs_cache *cache,
+ int is_write)
+{
+
+ if (dev->param.n_caches > 0) {
+ if (dev->cache_last_use < 0 || dev->cache_last_use > 100000000) {
+ /* Reset the cache usages */
+ int i;
+ for (i = 1; i < dev->param.n_caches; i++)
+ dev->cache[i].last_use = 0;
+
+ dev->cache_last_use = 0;
+ }
+
+ dev->cache_last_use++;
+
+ cache->last_use = dev->cache_last_use;
+
+ if (is_write)
+ cache->dirty = 1;
+ }
+}
+
+/* Invalidate a single cache page.
+ * Do this when a whole page gets written,
+ * ie the short cache for this page is no longer valid.
+ */
+static void yaffs_invalidate_chunk_cache(struct yaffs_obj *object, int chunk_id)
+{
+ if (object->my_dev->param.n_caches > 0) {
+ struct yaffs_cache *cache =
+ yaffs_find_chunk_cache(object, chunk_id);
+
+ if (cache)
+ cache->object = NULL;
+ }
+}
+
+/* Invalidate all the cache pages associated with this object
+ * Do this whenever ther file is deleted or resized.
+ */
+static void yaffs_invalidate_whole_cache(struct yaffs_obj *in)
+{
+ int i;
+ struct yaffs_dev *dev = in->my_dev;
+
+ if (dev->param.n_caches > 0) {
+ /* Invalidate it. */
+ for (i = 0; i < dev->param.n_caches; i++) {
+ if (dev->cache[i].object == in)
+ dev->cache[i].object = NULL;
+ }
+ }
+}
+
+static void yaffs_unhash_obj(struct yaffs_obj *obj)
+{
+ int bucket;
+ struct yaffs_dev *dev = obj->my_dev;
+
+ /* If it is still linked into the bucket list, free from the list */
+ if (!list_empty(&obj->hash_link)) {
+ list_del_init(&obj->hash_link);
+ bucket = yaffs_hash_fn(obj->obj_id);
+ dev->obj_bucket[bucket].count--;
+ }
+}
+
+/* FreeObject frees up a Object and puts it back on the free list */
+static void yaffs_free_obj(struct yaffs_obj *obj)
+{
+ struct yaffs_dev *dev = obj->my_dev;
+
+ yaffs_trace(YAFFS_TRACE_OS, "FreeObject %p inode %p",
+ obj, obj->my_inode);
+
+ if (!obj)
+ YBUG();
+ if (obj->parent)
+ YBUG();
+ if (!list_empty(&obj->siblings))
+ YBUG();
+
+ if (obj->my_inode) {
+ /* We're still hooked up to a cached inode.
+ * Don't delete now, but mark for later deletion
+ */
+ obj->defered_free = 1;
+ return;
+ }
+
+ yaffs_unhash_obj(obj);
+
+ yaffs_free_raw_obj(dev, obj);
+ dev->n_obj--;
+ dev->checkpoint_blocks_required = 0; /* force recalculation */
+}
+
+void yaffs_handle_defered_free(struct yaffs_obj *obj)
+{
+ if (obj->defered_free)
+ yaffs_free_obj(obj);
+}
+
+static int yaffs_generic_obj_del(struct yaffs_obj *in)
+{
+
+ /* First off, invalidate the file's data in the cache, without flushing. */
+ yaffs_invalidate_whole_cache(in);
+
+ if (in->my_dev->param.is_yaffs2 && (in->parent != in->my_dev->del_dir)) {
+ /* Move to the unlinked directory so we have a record that it was deleted. */
+ yaffs_change_obj_name(in, in->my_dev->del_dir, _Y("deleted"), 0,
+ 0);
+
+ }
+
+ yaffs_remove_obj_from_dir(in);
+ yaffs_chunk_del(in->my_dev, in->hdr_chunk, 1, __LINE__);
+ in->hdr_chunk = 0;
+
+ yaffs_free_obj(in);
+ return YAFFS_OK;
+
+}
+
+static void yaffs_soft_del_file(struct yaffs_obj *obj)
+{
+ if (obj->deleted &&
obj->variant_type == YAFFS_OBJECT_TYPE_FILE && !obj->soft_del) {
if (obj->n_data_chunks <= 0) {
- /* Empty file with no duplicate object headers, just delete it immediately */
+ /* Empty file with no duplicate object headers,
+ * just delete it immediately */
yaffs_free_tnode(obj->my_dev,
obj->variant.file_variant.top);
obj->variant.file_variant.top = NULL;
- T(YAFFS_TRACE_TRACING,
- (TSTR("yaffs: Deleting empty file %d" TENDSTR),
- obj->obj_id));
+ yaffs_trace(YAFFS_TRACE_TRACING,
+ "yaffs: Deleting empty file %d",
+ obj->obj_id);
yaffs_generic_obj_del(obj);
} else {
yaffs_soft_del_worker(obj,
return obj;
}
-static struct yaffs_obj *yaffs_create_fake_dir(struct yaffs_dev *dev,
- int number, u32 mode)
-{
-
- struct yaffs_obj *obj =
- yaffs_new_obj(dev, number, YAFFS_OBJECT_TYPE_DIRECTORY);
- if (obj) {
- obj->fake = 1; /* it is fake so it might have no NAND presence... */
- obj->rename_allowed = 0; /* ... and we're not allowed to rename it... */
- obj->unlink_allowed = 0; /* ... or unlink it */
- obj->deleted = 0;
- obj->unlinked = 0;
- obj->yst_mode = mode;
- obj->my_dev = dev;
- obj->hdr_chunk = 0; /* Not a valid chunk. */
- }
-
- return obj;
-
-}
-
-static void yaffs_unhash_obj(struct yaffs_obj *obj)
-{
- int bucket;
- struct yaffs_dev *dev = obj->my_dev;
-
- /* If it is still linked into the bucket list, free from the list */
- if (!list_empty(&obj->hash_link)) {
- list_del_init(&obj->hash_link);
- bucket = yaffs_hash_fn(obj->obj_id);
- dev->obj_bucket[bucket].count--;
- }
-}
-
-/* FreeObject frees up a Object and puts it back on the free list */
-static void yaffs_free_obj(struct yaffs_obj *obj)
-{
- struct yaffs_dev *dev = obj->my_dev;
-
- T(YAFFS_TRACE_OS,
- (TSTR("FreeObject %p inode %p" TENDSTR), obj, obj->my_inode));
-
- if (!obj)
- YBUG();
- if (obj->parent)
- YBUG();
- if (!list_empty(&obj->siblings))
- YBUG();
-
- if (obj->my_inode) {
- /* We're still hooked up to a cached inode.
- * Don't delete now, but mark for later deletion
- */
- obj->defered_free = 1;
- return;
- }
-
- yaffs_unhash_obj(obj);
-
- yaffs_free_raw_obj(dev, obj);
- dev->n_obj--;
- dev->checkpoint_blocks_required = 0; /* force recalculation */
-}
-
-void yaffs_handle_defered_free(struct yaffs_obj *obj)
-{
- if (obj->defered_free)
- yaffs_free_obj(obj);
-}
-
-static void yaffs_init_tnodes_and_objs(struct yaffs_dev *dev)
-{
- int i;
-
- dev->n_obj = 0;
- dev->n_tnodes = 0;
-
- yaffs_init_raw_tnodes_and_objs(dev);
-
- for (i = 0; i < YAFFS_NOBJECT_BUCKETS; i++) {
- INIT_LIST_HEAD(&dev->obj_bucket[i].list);
- dev->obj_bucket[i].count = 0;
- }
-}
-
static int yaffs_find_nice_bucket(struct yaffs_dev *dev)
{
int i;
return the_obj;
}
+static struct yaffs_obj *yaffs_create_fake_dir(struct yaffs_dev *dev,
+ int number, u32 mode)
+{
+
+ struct yaffs_obj *obj =
+ yaffs_new_obj(dev, number, YAFFS_OBJECT_TYPE_DIRECTORY);
+ if (obj) {
+ obj->fake = 1; /* it is fake so it might have no NAND presence... */
+ obj->rename_allowed = 0; /* ... and we're not allowed to rename it... */
+ obj->unlink_allowed = 0; /* ... or unlink it */
+ obj->deleted = 0;
+ obj->unlinked = 0;
+ obj->yst_mode = mode;
+ obj->my_dev = dev;
+ obj->hdr_chunk = 0; /* Not a valid chunk. */
+ }
+
+ return obj;
+
+}
+
+
+static void yaffs_init_tnodes_and_objs(struct yaffs_dev *dev)
+{
+ int i;
+
+ dev->n_obj = 0;
+ dev->n_tnodes = 0;
+
+ yaffs_init_raw_tnodes_and_objs(dev);
+
+ for (i = 0; i < YAFFS_NOBJECT_BUCKETS; i++) {
+ INIT_LIST_HEAD(&dev->obj_bucket[i].list);
+ dev->obj_bucket[i].count = 0;
+ }
+}
+
struct yaffs_obj *yaffs_find_or_create_by_number(struct yaffs_dev *dev,
int number,
enum yaffs_obj_type type)
YCHAR *new_str = NULL;
int len;
- if (!str)
- str = _Y("");
+ if (!str)
+ str = _Y("");
+
+ len = strnlen(str, YAFFS_MAX_ALIAS_LENGTH);
+ new_str = kmalloc((len + 1) * sizeof(YCHAR), GFP_NOFS);
+ if (new_str) {
+ strncpy(new_str, str, len);
+ new_str[len] = 0;
+ }
+ return new_str;
+
+}
+/*
+ *yaffs_update_parent() handles fixing a directories mtime and ctime when a new
+ * link (ie. name) is created or deleted in the directory.
+ *
+ * ie.
+ * create dir/a : update dir's mtime/ctime
+ * rm dir/a: update dir's mtime/ctime
+ * modify dir/a: don't update dir's mtimme/ctime
+ *
+ * This can be handled immediately or defered. Defering helps reduce the number
+ * of updates when many files in a directory are changed within a brief period.
+ *
+ * If the directory updating is defered then yaffs_update_dirty_dirs must be
+ * called periodically.
+ */
+
+static void yaffs_update_parent(struct yaffs_obj *obj)
+{
+ struct yaffs_dev *dev;
+ if (!obj)
+ return;
+ dev = obj->my_dev;
+ obj->dirty = 1;
+ yaffs_load_current_time(obj, 0, 1);
+ if (dev->param.defered_dir_update) {
+ struct list_head *link = &obj->variant.dir_variant.dirty;
+
+ if (list_empty(link)) {
+ list_add(link, &dev->dirty_dirs);
+ yaffs_trace(YAFFS_TRACE_BACKGROUND,
+ "Added object %d to dirty directories",
+ obj->obj_id);
+ }
+
+ } else {
+ yaffs_update_oh(obj, NULL, 0, 0, 0, NULL);
+ }
+}
+
+void yaffs_update_dirty_dirs(struct yaffs_dev *dev)
+{
+ struct list_head *link;
+ struct yaffs_obj *obj;
+ struct yaffs_dir_var *d_s;
+ union yaffs_obj_var *o_v;
+
+ yaffs_trace(YAFFS_TRACE_BACKGROUND, "Update dirty directories");
+
+ while (!list_empty(&dev->dirty_dirs)) {
+ link = dev->dirty_dirs.next;
+ list_del_init(link);
+
+ d_s = list_entry(link, struct yaffs_dir_var, dirty);
+ o_v = list_entry(d_s, union yaffs_obj_var, dir_variant);
+ obj = list_entry(o_v, struct yaffs_obj, variant);
- len = yaffs_strnlen(str, YAFFS_MAX_ALIAS_LENGTH);
- new_str = YMALLOC((len + 1) * sizeof(YCHAR));
- if (new_str) {
- yaffs_strncpy(new_str, str, len);
- new_str[len] = 0;
- }
- return new_str;
+ yaffs_trace(YAFFS_TRACE_BACKGROUND, "Update directory %d",
+ obj->obj_id);
+ if (obj->dirty)
+ yaffs_update_oh(obj, NULL, 0, 0, 0, NULL);
+ }
}
/*
if (!in) {
if (str)
- YFREE(str);
+ kfree(str);
return NULL;
}
}
-static int yaffs_change_obj_name(struct yaffs_obj *obj,
- struct yaffs_obj *new_dir,
- const YCHAR * new_name, int force, int shadows)
-{
- int unlink_op;
- int del_op;
-
- struct yaffs_obj *existing_target;
-
- if (new_dir == NULL)
- new_dir = obj->parent; /* use the old directory */
-
- if (new_dir->variant_type != YAFFS_OBJECT_TYPE_DIRECTORY) {
- T(YAFFS_TRACE_ALWAYS,
- (TSTR
- ("tragedy: yaffs_change_obj_name: new_dir is not a directory"
- TENDSTR)));
- YBUG();
- }
-
- /* TODO: Do we need this different handling for YAFFS2 and YAFFS1?? */
- if (obj->my_dev->param.is_yaffs2)
- unlink_op = (new_dir == obj->my_dev->unlinked_dir);
- else
- unlink_op = (new_dir == obj->my_dev->unlinked_dir
- && obj->variant_type == YAFFS_OBJECT_TYPE_FILE);
-
- del_op = (new_dir == obj->my_dev->del_dir);
-
- existing_target = yaffs_find_by_name(new_dir, new_name);
-
- /* If the object is a file going into the unlinked directory,
- * then it is OK to just stuff it in since duplicate names are allowed.
- * else only proceed if the new name does not exist and if we're putting
- * it into a directory.
- */
- if ((unlink_op ||
- del_op ||
- force ||
- (shadows > 0) ||
- !existing_target) &&
- new_dir->variant_type == YAFFS_OBJECT_TYPE_DIRECTORY) {
- yaffs_set_obj_name(obj, new_name);
- obj->dirty = 1;
-
- yaffs_add_obj_to_dir(new_dir, obj);
-
- if (unlink_op)
- obj->unlinked = 1;
-
- /* If it is a deletion then we mark it as a shrink for gc purposes. */
- if (yaffs_update_oh(obj, new_name, 0, del_op, shadows, NULL) >=
- 0)
- return YAFFS_OK;
- }
-
- return YAFFS_FAIL;
-}
-
-
-/* Note:
- * If old_name is NULL then we take old_dir as the object to be renamed.
- */
-int yaffs_rename_obj(struct yaffs_obj *old_dir, const YCHAR * old_name,
- struct yaffs_obj *new_dir, const YCHAR * new_name)
-{
- struct yaffs_obj *obj = NULL;
- struct yaffs_obj *existing_target = NULL;
- int force = 0;
- int result;
- struct yaffs_dev *dev;
-
- if (!old_dir || old_dir->variant_type != YAFFS_OBJECT_TYPE_DIRECTORY)
- YBUG();
- if (!new_dir || new_dir->variant_type != YAFFS_OBJECT_TYPE_DIRECTORY)
- YBUG();
-
- dev = old_dir->my_dev;
-
-#ifdef CONFIG_YAFFS_CASE_INSENSITIVE
- /* Special case for case insemsitive systems.
- * While look-up is case insensitive, the name isn't.
- * Therefore we might want to change x.txt to X.txt
- */
- if (old_dir == new_dir &&
- old_name && new_name &&
- yaffs_strcmp(old_name, new_name) == 0)
- force = 1;
-#endif
-
- if (yaffs_strnlen(new_name, YAFFS_MAX_NAME_LENGTH + 1) >
- YAFFS_MAX_NAME_LENGTH)
- /* ENAMETOOLONG */
- return YAFFS_FAIL;
-
- if(old_name)
- obj = yaffs_find_by_name(old_dir, old_name);
- else{
- obj = old_dir;
- old_dir = obj->parent;
- }
-
-
- if (obj && obj->rename_allowed) {
-
- /* Now do the handling for an existing target, if there is one */
-
- existing_target = yaffs_find_by_name(new_dir, new_name);
- if (yaffs_is_non_empty_dir(existing_target)){
- return YAFFS_FAIL; /* ENOTEMPTY */
- } else if (existing_target && existing_target != obj) {
- /* Nuke the target first, using shadowing,
- * but only if it isn't the same object.
- *
- * Note we must disable gc otherwise it can mess up the shadowing.
- *
- */
- dev->gc_disable = 1;
- yaffs_change_obj_name(obj, new_dir, new_name, force,
- existing_target->obj_id);
- existing_target->is_shadowed = 1;
- yaffs_unlink_obj(existing_target);
- dev->gc_disable = 0;
- }
-
- result = yaffs_change_obj_name(obj, new_dir, new_name, 1, 0);
-
- yaffs_update_parent(old_dir);
- if (new_dir != old_dir)
- yaffs_update_parent(new_dir);
- return result;
- }
- return YAFFS_FAIL;
-}
/*------------------------- Block Management and Page Allocation ----------------*/
dev->alloc_block = -1; /* force it to get a new one */
/* If the first allocation strategy fails, thry the alternate one */
- dev->block_info = YMALLOC(n_blocks * sizeof(struct yaffs_block_info));
+ dev->block_info =
+ kmalloc(n_blocks * sizeof(struct yaffs_block_info), GFP_NOFS);
if (!dev->block_info) {
dev->block_info =
- YMALLOC_ALT(n_blocks * sizeof(struct yaffs_block_info));
+ vmalloc(n_blocks * sizeof(struct yaffs_block_info));
dev->block_info_alt = 1;
} else {
dev->block_info_alt = 0;
}
if (dev->block_info) {
- /* Set up dynamic blockinfo stuff. */
- dev->chunk_bit_stride = (dev->param.chunks_per_block + 7) / 8; /* round up bytes */
- dev->chunk_bits = YMALLOC(dev->chunk_bit_stride * n_blocks);
+ /* Set up dynamic blockinfo stuff. Round up bytes. */
+ dev->chunk_bit_stride = (dev->param.chunks_per_block + 7) / 8;
+ dev->chunk_bits =
+ kmalloc(dev->chunk_bit_stride * n_blocks, GFP_NOFS);
if (!dev->chunk_bits) {
dev->chunk_bits =
- YMALLOC_ALT(dev->chunk_bit_stride * n_blocks);
+ vmalloc(dev->chunk_bit_stride * n_blocks);
dev->chunk_bits_alt = 1;
} else {
dev->chunk_bits_alt = 0;
static void yaffs_deinit_blocks(struct yaffs_dev *dev)
{
if (dev->block_info_alt && dev->block_info)
- YFREE_ALT(dev->block_info);
+ vfree(dev->block_info);
else if (dev->block_info)
- YFREE(dev->block_info);
+ kfree(dev->block_info);
dev->block_info_alt = 0;
dev->block_info = NULL;
if (dev->chunk_bits_alt && dev->chunk_bits)
- YFREE_ALT(dev->chunk_bits);
+ vfree(dev->chunk_bits);
else if (dev->chunk_bits)
- YFREE(dev->chunk_bits);
+ kfree(dev->chunk_bits);
dev->chunk_bits_alt = 0;
dev->chunk_bits = NULL;
}
* If the block has had a data failure, then retire it.
*/
- T(YAFFS_TRACE_GC | YAFFS_TRACE_ERASE,
- (TSTR("yaffs_block_became_dirty block %d state %d %s" TENDSTR),
- block_no, bi->block_state,
- (bi->needs_retiring) ? "needs retiring" : ""));
+ yaffs_trace(YAFFS_TRACE_GC | YAFFS_TRACE_ERASE,
+ "yaffs_block_became_dirty block %d state %d %s",
+ block_no, bi->block_state,
+ (bi->needs_retiring) ? "needs retiring" : "");
yaffs2_clear_oldest_dirty_seq(dev, bi);
erased_ok = yaffs_erase_block(dev, block_no);
if (!erased_ok) {
dev->n_erase_failures++;
- T(YAFFS_TRACE_ERROR | YAFFS_TRACE_BAD_BLOCKS,
- (TSTR("**>> Erasure failed %d" TENDSTR), block_no));
+ yaffs_trace(YAFFS_TRACE_ERROR | YAFFS_TRACE_BAD_BLOCKS,
+ "**>> Erasure failed %d", block_no);
}
}
int i;
for (i = 0; i < dev->param.chunks_per_block; i++) {
if (!yaffs_check_chunk_erased
- (dev, block_no * dev->param.chunks_per_block + i)) {
- T(YAFFS_TRACE_ERROR,
- (TSTR
- (">>Block %d erasure supposedly OK, but chunk %d not erased"
- TENDSTR), block_no, i));
- }
- }
- }
-
- if (erased_ok) {
- /* Clean it up... */
- bi->block_state = YAFFS_BLOCK_STATE_EMPTY;
- bi->seq_number = 0;
- dev->n_erased_blocks++;
- bi->pages_in_use = 0;
- bi->soft_del_pages = 0;
- bi->has_shrink_hdr = 0;
- bi->skip_erased_check = 1; /* This is clean, so no need to check */
- bi->gc_prioritise = 0;
- yaffs_clear_chunk_bits(dev, block_no);
-
- T(YAFFS_TRACE_ERASE,
- (TSTR("Erased block %d" TENDSTR), block_no));
- } else {
- dev->n_free_chunks -= dev->param.chunks_per_block; /* We lost a block of free space */
-
- yaffs_retire_block(dev, block_no);
- T(YAFFS_TRACE_ERROR | YAFFS_TRACE_BAD_BLOCKS,
- (TSTR("**>> Block %d retired" TENDSTR), block_no));
- }
-}
-
-static int yaffs_find_alloc_block(struct yaffs_dev *dev)
-{
- int i;
-
- struct yaffs_block_info *bi;
-
- if (dev->n_erased_blocks < 1) {
- /* Hoosterman we've got a problem.
- * Can't get space to gc
- */
- T(YAFFS_TRACE_ERROR,
- (TSTR("yaffs tragedy: no more erased blocks" TENDSTR)));
-
- return -1;
- }
-
- /* Find an empty block. */
-
- for (i = dev->internal_start_block; i <= dev->internal_end_block; i++) {
- dev->alloc_block_finder++;
- if (dev->alloc_block_finder < dev->internal_start_block
- || dev->alloc_block_finder > dev->internal_end_block) {
- dev->alloc_block_finder = dev->internal_start_block;
- }
-
- bi = yaffs_get_block_info(dev, dev->alloc_block_finder);
-
- if (bi->block_state == YAFFS_BLOCK_STATE_EMPTY) {
- bi->block_state = YAFFS_BLOCK_STATE_ALLOCATING;
- dev->seq_number++;
- bi->seq_number = dev->seq_number;
- dev->n_erased_blocks--;
- T(YAFFS_TRACE_ALLOCATE,
- (TSTR("Allocated block %d, seq %d, %d left" TENDSTR),
- dev->alloc_block_finder, dev->seq_number,
- dev->n_erased_blocks));
- return dev->alloc_block_finder;
- }
- }
-
- T(YAFFS_TRACE_ALWAYS,
- (TSTR
- ("yaffs tragedy: no more erased blocks, but there should have been %d"
- TENDSTR), dev->n_erased_blocks));
-
- return -1;
-}
-
-/*
- * Check if there's space to allocate...
- * Thinks.... do we need top make this ths same as yaffs_get_free_chunks()?
- */
-int yaffs_check_alloc_available(struct yaffs_dev *dev, int n_chunks)
-{
- int reserved_chunks;
- int reserved_blocks = dev->param.n_reserved_blocks;
- int checkpt_blocks;
-
- checkpt_blocks = yaffs_calc_checkpt_blocks_required(dev);
-
- reserved_chunks =
- ((reserved_blocks + checkpt_blocks) * dev->param.chunks_per_block);
-
- return (dev->n_free_chunks > (reserved_chunks + n_chunks));
-}
-
-static int yaffs_alloc_chunk(struct yaffs_dev *dev, int use_reserver,
- struct yaffs_block_info **block_ptr)
-{
- int ret_val;
- struct yaffs_block_info *bi;
-
- if (dev->alloc_block < 0) {
- /* Get next block to allocate off */
- dev->alloc_block = yaffs_find_alloc_block(dev);
- dev->alloc_page = 0;
- }
-
- if (!use_reserver && !yaffs_check_alloc_available(dev, 1)) {
- /* Not enough space to allocate unless we're allowed to use the reserve. */
- return -1;
- }
-
- if (dev->n_erased_blocks < dev->param.n_reserved_blocks
- && dev->alloc_page == 0) {
- T(YAFFS_TRACE_ALLOCATE, (TSTR("Allocating reserve" TENDSTR)));
- }
-
- /* Next page please.... */
- if (dev->alloc_block >= 0) {
- bi = yaffs_get_block_info(dev, dev->alloc_block);
-
- ret_val = (dev->alloc_block * dev->param.chunks_per_block) +
- dev->alloc_page;
- bi->pages_in_use++;
- yaffs_set_chunk_bit(dev, dev->alloc_block, dev->alloc_page);
-
- dev->alloc_page++;
-
- dev->n_free_chunks--;
-
- /* If the block is full set the state to full */
- if (dev->alloc_page >= dev->param.chunks_per_block) {
- bi->block_state = YAFFS_BLOCK_STATE_FULL;
- dev->alloc_block = -1;
+ (dev, block_no * dev->param.chunks_per_block + i)) {
+ yaffs_trace(YAFFS_TRACE_ERROR,
+ ">>Block %d erasure supposedly OK, but chunk %d not erased",
+ block_no, i);
+ }
}
-
- if (block_ptr)
- *block_ptr = bi;
-
- return ret_val;
}
- T(YAFFS_TRACE_ERROR,
- (TSTR("!!!!!!!!! Allocator out !!!!!!!!!!!!!!!!!" TENDSTR)));
+ if (erased_ok) {
+ /* Clean it up... */
+ bi->block_state = YAFFS_BLOCK_STATE_EMPTY;
+ bi->seq_number = 0;
+ dev->n_erased_blocks++;
+ bi->pages_in_use = 0;
+ bi->soft_del_pages = 0;
+ bi->has_shrink_hdr = 0;
+ bi->skip_erased_check = 1; /* Clean, so no need to check */
+ bi->gc_prioritise = 0;
+ yaffs_clear_chunk_bits(dev, block_no);
- return -1;
+ yaffs_trace(YAFFS_TRACE_ERASE,
+ "Erased block %d", block_no);
+ } else {
+ /* We lost a block of free space */
+ dev->n_free_chunks -= dev->param.chunks_per_block;
+ yaffs_retire_block(dev, block_no);
+ yaffs_trace(YAFFS_TRACE_ERROR | YAFFS_TRACE_BAD_BLOCKS,
+ "**>> Block %d retired", block_no);
+ }
}
-static int yaffs_get_erased_chunks(struct yaffs_dev *dev)
-{
- int n;
-
- n = dev->n_erased_blocks * dev->param.chunks_per_block;
-
- if (dev->alloc_block > 0)
- n += (dev->param.chunks_per_block - dev->alloc_page);
-
- return n;
-
-}
-/*
- * yaffs_skip_rest_of_block() skips over the rest of the allocation block
- * if we don't want to write to it.
- */
-void yaffs_skip_rest_of_block(struct yaffs_dev *dev)
-{
- if (dev->alloc_block > 0) {
- struct yaffs_block_info *bi =
- yaffs_get_block_info(dev, dev->alloc_block);
- if (bi->block_state == YAFFS_BLOCK_STATE_ALLOCATING) {
- bi->block_state = YAFFS_BLOCK_STATE_FULL;
- dev->alloc_block = -1;
- }
- }
-}
static int yaffs_gc_block(struct yaffs_dev *dev, int block, int whole_block)
{
is_checkpt_block = (bi->block_state == YAFFS_BLOCK_STATE_CHECKPOINT);
- T(YAFFS_TRACE_TRACING,
- (TSTR
- ("Collecting block %d, in use %d, shrink %d, whole_block %d"
- TENDSTR), block, bi->pages_in_use, bi->has_shrink_hdr,
- whole_block));
+ yaffs_trace(YAFFS_TRACE_TRACING,
+ "Collecting block %d, in use %d, shrink %d, whole_block %d",
+ block, bi->pages_in_use, bi->has_shrink_hdr,
+ whole_block);
/*yaffs_verify_free_chunks(dev); */
dev->gc_disable = 1;
if (is_checkpt_block || !yaffs_still_some_chunks(dev, block)) {
- T(YAFFS_TRACE_TRACING,
- (TSTR
- ("Collecting block %d that has no chunks in use" TENDSTR),
- block));
+ yaffs_trace(YAFFS_TRACE_TRACING,
+ "Collecting block %d that has no chunks in use",
+ block);
yaffs_block_became_dirty(dev, block);
} else {
object = yaffs_find_by_number(dev, tags.obj_id);
- T(YAFFS_TRACE_GC_DETAIL,
- (TSTR
- ("Collecting chunk in block %d, %d %d %d "
- TENDSTR), dev->gc_chunk, tags.obj_id,
- tags.chunk_id, tags.n_bytes));
+ yaffs_trace(YAFFS_TRACE_GC_DETAIL,
+ "Collecting chunk in block %d, %d %d %d ",
+ dev->gc_chunk, tags.obj_id,
+ tags.chunk_id, tags.n_bytes);
if (object && !yaffs_skip_verification(dev)) {
if (tags.chunk_id == 0)
NULL);
if (old_chunk != matching_chunk)
- T(YAFFS_TRACE_ERROR,
- (TSTR
- ("gc: page in gc mismatch: %d %d %d %d"
- TENDSTR), old_chunk,
- matching_chunk, tags.obj_id,
- tags.chunk_id));
+ yaffs_trace(YAFFS_TRACE_ERROR,
+ "gc: page in gc mismatch: %d %d %d %d",
+ old_chunk,
+ matching_chunk,
+ tags.obj_id,
+ tags.chunk_id);
}
if (!object) {
- T(YAFFS_TRACE_ERROR,
- (TSTR
- ("page %d in gc has no object: %d %d %d "
- TENDSTR), old_chunk,
- tags.obj_id, tags.chunk_id,
- tags.n_bytes));
+ yaffs_trace(YAFFS_TRACE_ERROR,
+ "page %d in gc has no object: %d %d %d ",
+ old_chunk,
+ tags.obj_id, tags.chunk_id,
+ tags.n_bytes);
}
if (object &&
object->variant.
file_variant.top);
object->variant.file_variant.top = NULL;
- T(YAFFS_TRACE_GC,
- (TSTR
- ("yaffs: About to finally delete object %d"
- TENDSTR), object->obj_id));
+ yaffs_trace(YAFFS_TRACE_GC,
+ "yaffs: About to finally delete object %d",
+ object->obj_id);
yaffs_generic_obj_del(object);
object->my_dev->n_deleted_files--;
}
}
chunks_after = yaffs_get_erased_chunks(dev);
- if (chunks_before >= chunks_after) {
- T(YAFFS_TRACE_GC,
- (TSTR
- ("gc did not increase free chunks before %d after %d"
- TENDSTR), chunks_before, chunks_after));
- }
+ if (chunks_before >= chunks_after)
+ yaffs_trace(YAFFS_TRACE_GC,
+ "gc did not increase free chunks before %d after %d",
+ chunks_before, chunks_after);
dev->gc_block = 0;
dev->gc_chunk = 0;
dev->n_clean_ups = 0;
}
if (selected) {
- T(YAFFS_TRACE_GC,
- (TSTR
- ("GC Selected block %d with %d free, prioritised:%d"
- TENDSTR), selected,
- dev->param.chunks_per_block - dev->gc_pages_in_use,
- prioritised));
+ yaffs_trace(YAFFS_TRACE_GC,
+ "GC Selected block %d with %d free, prioritised:%d",
+ selected,
+ dev->param.chunks_per_block - dev->gc_pages_in_use,
+ prioritised);
dev->n_gc_blocks++;
if (background)
dev->refresh_skip--;
} else {
dev->gc_not_done++;
- T(YAFFS_TRACE_GC,
- (TSTR
- ("GC none: finder %d skip %d threshold %d dirtiest %d using %d oldest %d%s"
- TENDSTR), dev->gc_block_finder, dev->gc_not_done, threshold,
- dev->gc_dirtiest, dev->gc_pages_in_use,
- dev->oldest_dirty_block, background ? " bg" : ""));
+ yaffs_trace(YAFFS_TRACE_GC,
+ "GC none: finder %d skip %d threshold %d dirtiest %d using %d oldest %d%s",
+ dev->gc_block_finder, dev->gc_not_done, threshold,
+ dev->gc_dirtiest, dev->gc_pages_in_use,
+ dev->oldest_dirty_block, background ? " bg" : "");
}
return selected;
dev->all_gcs++;
if (!aggressive)
dev->passive_gc_count++;
-
- T(YAFFS_TRACE_GC,
- (TSTR
- ("yaffs: GC n_erased_blocks %d aggressive %d"
- TENDSTR), dev->n_erased_blocks, aggressive));
-
- gc_ok = yaffs_gc_block(dev, dev->gc_block, aggressive);
- }
-
- if (dev->n_erased_blocks < (dev->param.n_reserved_blocks)
- && dev->gc_block > 0) {
- T(YAFFS_TRACE_GC,
- (TSTR
- ("yaffs: GC !!!no reclaim!!! n_erased_blocks %d after try %d block %d"
- TENDSTR), dev->n_erased_blocks, max_tries,
- dev->gc_block));
- }
- } while ((dev->n_erased_blocks < dev->param.n_reserved_blocks) &&
- (dev->gc_block > 0) && (max_tries < 2));
-
- return aggressive ? gc_ok : YAFFS_OK;
-}
-
-/*
- * yaffs_bg_gc()
- * Garbage collects. Intended to be called from a background thread.
- * Returns non-zero if at least half the free chunks are erased.
- */
-int yaffs_bg_gc(struct yaffs_dev *dev, unsigned urgency)
-{
- int erased_chunks = dev->n_erased_blocks * dev->param.chunks_per_block;
-
- T(YAFFS_TRACE_BACKGROUND, (TSTR("Background gc %u" TENDSTR), urgency));
-
- yaffs_check_gc(dev, 1);
- return erased_chunks > dev->n_free_chunks / 2;
-}
-
-/*------------------------- TAGS --------------------------------*/
-
-static int yaffs_tags_match(const struct yaffs_ext_tags *tags, int obj_id,
- int chunk_obj)
-{
- return (tags->chunk_id == chunk_obj &&
- tags->obj_id == obj_id && !tags->is_deleted) ? 1 : 0;
-
-}
-
-/*-------------------- Data file manipulation -----------------*/
-
-static int yaffs_find_chunk_in_file(struct yaffs_obj *in, int inode_chunk,
- struct yaffs_ext_tags *tags)
-{
- /*Get the Tnode, then get the level 0 offset chunk offset */
- struct yaffs_tnode *tn;
- int the_chunk = -1;
- struct yaffs_ext_tags local_tags;
- int ret_val = -1;
-
- struct yaffs_dev *dev = in->my_dev;
-
- if (!tags) {
- /* Passed a NULL, so use our own tags space */
- tags = &local_tags;
- }
-
- tn = yaffs_find_tnode_0(dev, &in->variant.file_variant, inode_chunk);
-
- if (tn) {
- the_chunk = yaffs_get_group_base(dev, tn, inode_chunk);
-
- ret_val =
- yaffs_find_chunk_in_group(dev, the_chunk, tags, in->obj_id,
- inode_chunk);
- }
- return ret_val;
-}
-
-static int yaffs_find_del_file_chunk(struct yaffs_obj *in, int inode_chunk,
- struct yaffs_ext_tags *tags)
-{
- /* Get the Tnode, then get the level 0 offset chunk offset */
- struct yaffs_tnode *tn;
- int the_chunk = -1;
- struct yaffs_ext_tags local_tags;
-
- struct yaffs_dev *dev = in->my_dev;
- int ret_val = -1;
-
- if (!tags) {
- /* Passed a NULL, so use our own tags space */
- tags = &local_tags;
- }
-
- tn = yaffs_find_tnode_0(dev, &in->variant.file_variant, inode_chunk);
-
- if (tn) {
-
- the_chunk = yaffs_get_group_base(dev, tn, inode_chunk);
-
- ret_val =
- yaffs_find_chunk_in_group(dev, the_chunk, tags, in->obj_id,
- inode_chunk);
-
- /* Delete the entry in the filestructure (if found) */
- if (ret_val != -1)
- yaffs_load_tnode_0(dev, tn, inode_chunk, 0);
- }
-
- return ret_val;
-}
-
-int yaffs_put_chunk_in_file(struct yaffs_obj *in, int inode_chunk,
- int nand_chunk, int in_scan)
-{
- /* NB in_scan is zero unless scanning.
- * For forward scanning, in_scan is > 0;
- * for backward scanning in_scan is < 0
- *
- * nand_chunk = 0 is a dummy insert to make sure the tnodes are there.
- */
-
- struct yaffs_tnode *tn;
- struct yaffs_dev *dev = in->my_dev;
- int existing_cunk;
- struct yaffs_ext_tags existing_tags;
- struct yaffs_ext_tags new_tags;
- unsigned existing_serial, new_serial;
-
- if (in->variant_type != YAFFS_OBJECT_TYPE_FILE) {
- /* Just ignore an attempt at putting a chunk into a non-file during scanning
- * If it is not during Scanning then something went wrong!
- */
- if (!in_scan) {
- T(YAFFS_TRACE_ERROR,
- (TSTR
- ("yaffs tragedy:attempt to put data chunk into a non-file"
- TENDSTR)));
- YBUG();
- }
-
- yaffs_chunk_del(dev, nand_chunk, 1, __LINE__);
- return YAFFS_OK;
- }
-
- tn = yaffs_add_find_tnode_0(dev,
- &in->variant.file_variant,
- inode_chunk, NULL);
- if (!tn)
- return YAFFS_FAIL;
-
- if (!nand_chunk)
- /* Dummy insert, bail now */
- return YAFFS_OK;
-
- existing_cunk = yaffs_get_group_base(dev, tn, inode_chunk);
-
- if (in_scan != 0) {
- /* If we're scanning then we need to test for duplicates
- * NB This does not need to be efficient since it should only ever
- * happen when the power fails during a write, then only one
- * chunk should ever be affected.
- *
- * Correction for YAFFS2: This could happen quite a lot and we need to think about efficiency! TODO
- * Update: For backward scanning we don't need to re-read tags so this is quite cheap.
- */
-
- if (existing_cunk > 0) {
- /* NB Right now existing chunk will not be real chunk_id if the chunk group size > 1
- * thus we have to do a FindChunkInFile to get the real chunk id.
- *
- * We have a duplicate now we need to decide which one to use:
- *
- * Backwards scanning YAFFS2: The old one is what we use, dump the new one.
- * Forward scanning YAFFS2: The new one is what we use, dump the old one.
- * YAFFS1: Get both sets of tags and compare serial numbers.
- */
-
- if (in_scan > 0) {
- /* Only do this for forward scanning */
- yaffs_rd_chunk_tags_nand(dev,
- nand_chunk,
- NULL, &new_tags);
-
- /* Do a proper find */
- existing_cunk =
- yaffs_find_chunk_in_file(in, inode_chunk,
- &existing_tags);
- }
-
- if (existing_cunk <= 0) {
- /*Hoosterman - how did this happen? */
-
- T(YAFFS_TRACE_ERROR,
- (TSTR
- ("yaffs tragedy: existing chunk < 0 in scan"
- TENDSTR)));
-
- }
-
- /* NB The deleted flags should be false, otherwise the chunks will
- * not be loaded during a scan
- */
-
- if (in_scan > 0) {
- new_serial = new_tags.serial_number;
- existing_serial = existing_tags.serial_number;
- }
-
- if ((in_scan > 0) &&
- (existing_cunk <= 0 ||
- ((existing_serial + 1) & 3) == new_serial)) {
- /* Forward scanning.
- * Use new
- * Delete the old one and drop through to update the tnode
- */
- yaffs_chunk_del(dev, existing_cunk, 1,
- __LINE__);
- } else {
- /* Backward scanning or we want to use the existing one
- * Use existing.
- * Delete the new one and return early so that the tnode isn't changed
- */
- yaffs_chunk_del(dev, nand_chunk, 1, __LINE__);
- return YAFFS_OK;
- }
+
+ yaffs_trace(YAFFS_TRACE_GC,
+ "yaffs: GC n_erased_blocks %d aggressive %d",
+ dev->n_erased_blocks, aggressive);
+
+ gc_ok = yaffs_gc_block(dev, dev->gc_block, aggressive);
}
- }
+ if (dev->n_erased_blocks < (dev->param.n_reserved_blocks)
+ && dev->gc_block > 0) {
+ yaffs_trace(YAFFS_TRACE_GC,
+ "yaffs: GC !!!no reclaim!!! n_erased_blocks %d after try %d block %d",
+ dev->n_erased_blocks, max_tries,
+ dev->gc_block);
+ }
+ } while ((dev->n_erased_blocks < dev->param.n_reserved_blocks) &&
+ (dev->gc_block > 0) && (max_tries < 2));
- if (existing_cunk == 0)
- in->n_data_chunks++;
+ return aggressive ? gc_ok : YAFFS_OK;
+}
- yaffs_load_tnode_0(dev, tn, inode_chunk, nand_chunk);
+/*
+ * yaffs_bg_gc()
+ * Garbage collects. Intended to be called from a background thread.
+ * Returns non-zero if at least half the free chunks are erased.
+ */
+int yaffs_bg_gc(struct yaffs_dev *dev, unsigned urgency)
+{
+ int erased_chunks = dev->n_erased_blocks * dev->param.chunks_per_block;
- return YAFFS_OK;
+ yaffs_trace(YAFFS_TRACE_BACKGROUND, "Background gc %u", urgency);
+
+ yaffs_check_gc(dev, 1);
+ return erased_chunks > dev->n_free_chunks / 2;
}
+/*-------------------- Data file manipulation -----------------*/
+
static int yaffs_rd_data_obj(struct yaffs_obj *in, int inode_chunk, u8 * buffer)
{
int nand_chunk = yaffs_find_chunk_in_file(in, inode_chunk, NULL);
return yaffs_rd_chunk_tags_nand(in->my_dev, nand_chunk,
buffer, NULL);
else {
- T(YAFFS_TRACE_NANDACCESS,
- (TSTR("Chunk %d not found zero instead" TENDSTR),
- nand_chunk));
+ yaffs_trace(YAFFS_TRACE_NANDACCESS,
+ "Chunk %d not found zero instead",
+ nand_chunk);
/* get sane (zero) data if you read a hole */
memset(buffer, 0, in->my_dev->data_bytes_per_chunk);
return 0;
page = chunk_id % dev->param.chunks_per_block;
if (!yaffs_check_chunk_bit(dev, block, page))
- T(YAFFS_TRACE_VERIFY,
- (TSTR("Deleting invalid chunk %d" TENDSTR), chunk_id));
+ yaffs_trace(YAFFS_TRACE_VERIFY,
+ "Deleting invalid chunk %d", chunk_id);
bi = yaffs_get_block_info(dev, block);
yaffs2_update_oldest_dirty_seq(dev, block, bi);
- T(YAFFS_TRACE_DELETION,
- (TSTR("line %d delete of chunk %d" TENDSTR), lyn, chunk_id));
+ yaffs_trace(YAFFS_TRACE_DELETION,
+ "line %d delete of chunk %d",
+ lyn, chunk_id);
if (!dev->param.is_yaffs2 && mark_flash &&
bi->block_state != YAFFS_BLOCK_STATE_COLLECTING) {
new_tags.n_bytes = n_bytes;
if (n_bytes < 1 || n_bytes > dev->param.total_bytes_per_chunk) {
- T(YAFFS_TRACE_ERROR,
- (TSTR("Writing %d bytes to chunk!!!!!!!!!" TENDSTR),
- n_bytes));
+ yaffs_trace(YAFFS_TRACE_ERROR,
+ "Writing %d bytes to chunk!!!!!!!!!",
+ n_bytes);
YBUG();
}
}
+
+
+static int yaffs_do_xattrib_mod(struct yaffs_obj *obj, int set,
+ const YCHAR * name, const void *value, int size,
+ int flags)
+{
+ struct yaffs_xattr_mod xmod;
+
+ int result;
+
+ xmod.set = set;
+ xmod.name = name;
+ xmod.data = value;
+ xmod.size = size;
+ xmod.flags = flags;
+ xmod.result = -ENOSPC;
+
+ result = yaffs_update_oh(obj, NULL, 0, 0, 0, &xmod);
+
+ if (result > 0)
+ return xmod.result;
+ else
+ return -ENOSPC;
+}
+
+static int yaffs_apply_xattrib_mod(struct yaffs_obj *obj, char *buffer,
+ struct yaffs_xattr_mod *xmod)
+{
+ int retval = 0;
+ int x_offs = sizeof(struct yaffs_obj_hdr);
+ struct yaffs_dev *dev = obj->my_dev;
+ int x_size = dev->data_bytes_per_chunk - sizeof(struct yaffs_obj_hdr);
+
+ char *x_buffer = buffer + x_offs;
+
+ if (xmod->set)
+ retval =
+ nval_set(x_buffer, x_size, xmod->name, xmod->data,
+ xmod->size, xmod->flags);
+ else
+ retval = nval_del(x_buffer, x_size, xmod->name);
+
+ obj->has_xattr = nval_hasvalues(x_buffer, x_size);
+ obj->xattr_known = 1;
+
+ xmod->result = retval;
+
+ return retval;
+}
+
+static int yaffs_do_xattrib_fetch(struct yaffs_obj *obj, const YCHAR * name,
+ void *value, int size)
+{
+ char *buffer = NULL;
+ int result;
+ struct yaffs_ext_tags tags;
+ struct yaffs_dev *dev = obj->my_dev;
+ int x_offs = sizeof(struct yaffs_obj_hdr);
+ int x_size = dev->data_bytes_per_chunk - sizeof(struct yaffs_obj_hdr);
+
+ char *x_buffer;
+
+ int retval = 0;
+
+ if (obj->hdr_chunk < 1)
+ return -ENODATA;
+
+ /* If we know that the object has no xattribs then don't do all the
+ * reading and parsing.
+ */
+ if (obj->xattr_known && !obj->has_xattr) {
+ if (name)
+ return -ENODATA;
+ else
+ return 0;
+ }
+
+ buffer = (char *)yaffs_get_temp_buffer(dev, __LINE__);
+ if (!buffer)
+ return -ENOMEM;
+
+ result =
+ yaffs_rd_chunk_tags_nand(dev, obj->hdr_chunk, (u8 *) buffer, &tags);
+
+ if (result != YAFFS_OK)
+ retval = -ENOENT;
+ else {
+ x_buffer = buffer + x_offs;
+
+ if (!obj->xattr_known) {
+ obj->has_xattr = nval_hasvalues(x_buffer, x_size);
+ obj->xattr_known = 1;
+ }
+
+ if (name)
+ retval = nval_get(x_buffer, x_size, name, value, size);
+ else
+ retval = nval_list(x_buffer, x_size, value, size);
+ }
+ yaffs_release_temp_buffer(dev, (u8 *) buffer, __LINE__);
+ return retval;
+}
+
+int yaffs_set_xattrib(struct yaffs_obj *obj, const YCHAR * name,
+ const void *value, int size, int flags)
+{
+ return yaffs_do_xattrib_mod(obj, 1, name, value, size, flags);
+}
+
+int yaffs_remove_xattrib(struct yaffs_obj *obj, const YCHAR * name)
+{
+ return yaffs_do_xattrib_mod(obj, 0, name, NULL, 0, 0);
+}
+
+int yaffs_get_xattrib(struct yaffs_obj *obj, const YCHAR * name, void *value,
+ int size)
+{
+ return yaffs_do_xattrib_fetch(obj, name, value, size);
+}
+
+int yaffs_list_xattrib(struct yaffs_obj *obj, char *buffer, int size)
+{
+ return yaffs_do_xattrib_fetch(obj, NULL, buffer, size);
+}
+
+static void yaffs_check_obj_details_loaded(struct yaffs_obj *in)
+{
+ u8 *chunk_data;
+ struct yaffs_obj_hdr *oh;
+ struct yaffs_dev *dev;
+ struct yaffs_ext_tags tags;
+ int result;
+ int alloc_failed = 0;
+
+ if (!in)
+ return;
+
+ dev = in->my_dev;
+
+ if (in->lazy_loaded && in->hdr_chunk > 0) {
+ in->lazy_loaded = 0;
+ chunk_data = yaffs_get_temp_buffer(dev, __LINE__);
+
+ result =
+ yaffs_rd_chunk_tags_nand(dev, in->hdr_chunk, chunk_data,
+ &tags);
+ oh = (struct yaffs_obj_hdr *)chunk_data;
+
+ in->yst_mode = oh->yst_mode;
+ yaffs_load_attribs(in, oh);
+ yaffs_set_obj_name_from_oh(in, oh);
+
+ if (in->variant_type == YAFFS_OBJECT_TYPE_SYMLINK) {
+ in->variant.symlink_variant.alias =
+ yaffs_clone_str(oh->alias);
+ if (!in->variant.symlink_variant.alias)
+ alloc_failed = 1; /* Not returned to caller */
+ }
+
+ yaffs_release_temp_buffer(dev, chunk_data, __LINE__);
+ }
+}
+
+static void yaffs_load_name_from_oh(struct yaffs_dev *dev, YCHAR * name,
+ const YCHAR * oh_name, int buff_size)
+{
+#ifdef CONFIG_YAFFS_AUTO_UNICODE
+ if (dev->param.auto_unicode) {
+ if (*oh_name) {
+ /* It is an ASCII name, do an ASCII to
+ * unicode conversion */
+ const char *ascii_oh_name = (const char *)oh_name;
+ int n = buff_size - 1;
+ while (n > 0 && *ascii_oh_name) {
+ *name = *ascii_oh_name;
+ name++;
+ ascii_oh_name++;
+ n--;
+ }
+ } else {
+ strncpy(name, oh_name + 1, buff_size - 1);
+ }
+ } else {
+#else
+ {
+#endif
+ strncpy(name, oh_name, buff_size - 1);
+ }
+}
+
+static void yaffs_load_oh_from_name(struct yaffs_dev *dev, YCHAR * oh_name,
+ const YCHAR * name)
+{
+#ifdef CONFIG_YAFFS_AUTO_UNICODE
+
+ int is_ascii;
+ YCHAR *w;
+
+ if (dev->param.auto_unicode) {
+
+ is_ascii = 1;
+ w = name;
+
+ /* Figure out if the name will fit in ascii character set */
+ while (is_ascii && *w) {
+ if ((*w) & 0xff00)
+ is_ascii = 0;
+ w++;
+ }
+
+ if (is_ascii) {
+ /* It is an ASCII name, so do a unicode to ascii conversion */
+ char *ascii_oh_name = (char *)oh_name;
+ int n = YAFFS_MAX_NAME_LENGTH - 1;
+ while (n > 0 && *name) {
+ *ascii_oh_name = *name;
+ name++;
+ ascii_oh_name++;
+ n--;
+ }
+ } else {
+ /* It is a unicode name, so save starting at the second YCHAR */
+ *oh_name = 0;
+ strncpy(oh_name + 1, name,
+ YAFFS_MAX_NAME_LENGTH - 2);
+ }
+ } else {
+#else
+ {
+#endif
+ strncpy(oh_name, name, YAFFS_MAX_NAME_LENGTH - 1);
+ }
+
+}
+
/* UpdateObjectHeader updates the header on NAND for an object.
* If name is not NULL, then that new name is used.
*/
struct yaffs_obj_hdr *oh = NULL;
- yaffs_strcpy(old_name, _Y("silly old name"));
+ strcpy(old_name, _Y("silly old name"));
- if (!in->fake || in == dev->root_dir || /* The root_dir should also be saved */
+ if (!in->fake || in == dev->root_dir ||
force || xmod) {
yaffs_check_gc(dev, 0);
alias = in->variant.symlink_variant.alias;
if (!alias)
alias = _Y("no alias");
- yaffs_strncpy(oh->alias, alias, YAFFS_MAX_ALIAS_LENGTH);
+ strncpy(oh->alias, alias, YAFFS_MAX_ALIAS_LENGTH);
oh->alias[YAFFS_MAX_ALIAS_LENGTH] = 0;
break;
}
}
if (!yaffs_obj_cache_dirty(in))
- in->dirty = 0;
-
- /* If this was a shrink, then mark the block that the chunk lives on */
- if (is_shrink) {
- bi = yaffs_get_block_info(in->my_dev,
- new_chunk_id /
- in->my_dev->param.
- chunks_per_block);
- bi->has_shrink_hdr = 1;
- }
-
- }
-
- ret_val = new_chunk_id;
-
- }
-
- if (buffer)
- yaffs_release_temp_buffer(dev, buffer, __LINE__);
-
- return ret_val;
-}
-
-/*------------------------ Short Operations Cache ----------------------------------------
- * In many situations where there is no high level buffering a lot of
- * reads might be short sequential reads, and a lot of writes may be short
- * sequential writes. eg. scanning/writing a jpeg file.
- * In these cases, a short read/write cache can provide a huge perfomance
- * benefit with dumb-as-a-rock code.
- * In Linux, the page cache provides read buffering and the short op cache
- * provides write buffering.
- *
- * There are a limited number (~10) of cache chunks per device so that we don't
- * need a very intelligent search.
- */
-
-static int yaffs_obj_cache_dirty(struct yaffs_obj *obj)
-{
- struct yaffs_dev *dev = obj->my_dev;
- int i;
- struct yaffs_cache *cache;
- int n_caches = obj->my_dev->param.n_caches;
-
- for (i = 0; i < n_caches; i++) {
- cache = &dev->cache[i];
- if (cache->object == obj && cache->dirty)
- return 1;
- }
-
- return 0;
-}
-
-static void yaffs_flush_file_cache(struct yaffs_obj *obj)
-{
- struct yaffs_dev *dev = obj->my_dev;
- int lowest = -99; /* Stop compiler whining. */
- int i;
- struct yaffs_cache *cache;
- int chunk_written = 0;
- int n_caches = obj->my_dev->param.n_caches;
-
- if (n_caches > 0) {
- do {
- cache = NULL;
-
- /* Find the dirty cache for this object with the lowest chunk id. */
- for (i = 0; i < n_caches; i++) {
- if (dev->cache[i].object == obj &&
- dev->cache[i].dirty) {
- if (!cache
- || dev->cache[i].chunk_id <
- lowest) {
- cache = &dev->cache[i];
- lowest = cache->chunk_id;
- }
- }
- }
-
- if (cache && !cache->locked) {
- /* Write it out and free it up */
-
- chunk_written =
- yaffs_wr_data_obj(cache->object,
- cache->chunk_id,
- cache->data,
- cache->n_bytes, 1);
- cache->dirty = 0;
- cache->object = NULL;
- }
-
- } while (cache && chunk_written > 0);
-
- if (cache) {
- /* Hoosterman, disk full while writing cache out. */
- T(YAFFS_TRACE_ERROR,
- (TSTR
- ("yaffs tragedy: no space during cache write"
- TENDSTR)));
-
- }
- }
-
-}
-
-/*yaffs_flush_whole_cache(dev)
- *
- *
- */
-
-void yaffs_flush_whole_cache(struct yaffs_dev *dev)
-{
- struct yaffs_obj *obj;
- int n_caches = dev->param.n_caches;
- int i;
-
- /* Find a dirty object in the cache and flush it...
- * until there are no further dirty objects.
- */
- do {
- obj = NULL;
- for (i = 0; i < n_caches && !obj; i++) {
- if (dev->cache[i].object && dev->cache[i].dirty)
- obj = dev->cache[i].object;
-
- }
- if (obj)
- yaffs_flush_file_cache(obj);
-
- } while (obj);
-
-}
-
-/* Grab us a cache chunk for use.
- * First look for an empty one.
- * Then look for the least recently used non-dirty one.
- * Then look for the least recently used dirty one...., flush and look again.
- */
-static struct yaffs_cache *yaffs_grab_chunk_worker(struct yaffs_dev *dev)
-{
- int i;
-
- if (dev->param.n_caches > 0) {
- for (i = 0; i < dev->param.n_caches; i++) {
- if (!dev->cache[i].object)
- return &dev->cache[i];
- }
- }
-
- return NULL;
-}
-
-static struct yaffs_cache *yaffs_grab_chunk_cache(struct yaffs_dev *dev)
-{
- struct yaffs_cache *cache;
- struct yaffs_obj *the_obj;
- int usage;
- int i;
- int pushout;
-
- if (dev->param.n_caches > 0) {
- /* Try find a non-dirty one... */
-
- cache = yaffs_grab_chunk_worker(dev);
-
- if (!cache) {
- /* They were all dirty, find the last recently used object and flush
- * its cache, then find again.
- * NB what's here is not very accurate, we actually flush the object
- * the last recently used page.
- */
-
- /* With locking we can't assume we can use entry zero */
-
- the_obj = NULL;
- usage = -1;
- cache = NULL;
- pushout = -1;
-
- for (i = 0; i < dev->param.n_caches; i++) {
- if (dev->cache[i].object &&
- !dev->cache[i].locked &&
- (dev->cache[i].last_use < usage
- || !cache)) {
- usage = dev->cache[i].last_use;
- the_obj = dev->cache[i].object;
- cache = &dev->cache[i];
- pushout = i;
- }
- }
-
- if (!cache || cache->dirty) {
- /* Flush and try again */
- yaffs_flush_file_cache(the_obj);
- cache = yaffs_grab_chunk_worker(dev);
- }
-
- }
- return cache;
- } else {
- return NULL;
- }
-}
-
-/* Find a cached chunk */
-static struct yaffs_cache *yaffs_find_chunk_cache(const struct yaffs_obj *obj,
- int chunk_id)
-{
- struct yaffs_dev *dev = obj->my_dev;
- int i;
- if (dev->param.n_caches > 0) {
- for (i = 0; i < dev->param.n_caches; i++) {
- if (dev->cache[i].object == obj &&
- dev->cache[i].chunk_id == chunk_id) {
- dev->cache_hits++;
-
- return &dev->cache[i];
- }
- }
- }
- return NULL;
-}
-
-/* Mark the chunk for the least recently used algorithym */
-static void yaffs_use_cache(struct yaffs_dev *dev, struct yaffs_cache *cache,
- int is_write)
-{
-
- if (dev->param.n_caches > 0) {
- if (dev->cache_last_use < 0 || dev->cache_last_use > 100000000) {
- /* Reset the cache usages */
- int i;
- for (i = 1; i < dev->param.n_caches; i++)
- dev->cache[i].last_use = 0;
-
- dev->cache_last_use = 0;
- }
-
- dev->cache_last_use++;
-
- cache->last_use = dev->cache_last_use;
-
- if (is_write)
- cache->dirty = 1;
- }
-}
-
-/* Invalidate a single cache page.
- * Do this when a whole page gets written,
- * ie the short cache for this page is no longer valid.
- */
-static void yaffs_invalidate_chunk_cache(struct yaffs_obj *object, int chunk_id)
-{
- if (object->my_dev->param.n_caches > 0) {
- struct yaffs_cache *cache =
- yaffs_find_chunk_cache(object, chunk_id);
-
- if (cache)
- cache->object = NULL;
- }
-}
+ in->dirty = 0;
-/* Invalidate all the cache pages associated with this object
- * Do this whenever ther file is deleted or resized.
- */
-static void yaffs_invalidate_whole_cache(struct yaffs_obj *in)
-{
- int i;
- struct yaffs_dev *dev = in->my_dev;
+ /* If this was a shrink, then mark the block that the chunk lives on */
+ if (is_shrink) {
+ bi = yaffs_get_block_info(in->my_dev,
+ new_chunk_id /
+ in->my_dev->param.
+ chunks_per_block);
+ bi->has_shrink_hdr = 1;
+ }
- if (dev->param.n_caches > 0) {
- /* Invalidate it. */
- for (i = 0; i < dev->param.n_caches; i++) {
- if (dev->cache[i].object == in)
- dev->cache[i].object = NULL;
}
+
+ ret_val = new_chunk_id;
+
}
+
+ if (buffer)
+ yaffs_release_temp_buffer(dev, buffer, __LINE__);
+
+ return ret_val;
}
/*--------------------- File read/write ------------------------
if (chunk * dev->data_bytes_per_chunk + start != offset ||
start >= dev->data_bytes_per_chunk) {
- T(YAFFS_TRACE_ERROR,
- (TSTR
- ("AddrToChunk of offset %d gives chunk %d start %d"
- TENDSTR), (int)offset, chunk, start));
+ yaffs_trace(YAFFS_TRACE_ERROR,
+ "AddrToChunk of offset %d gives chunk %d start %d",
+ (int)offset, chunk, start);
}
chunk++; /* File pos to chunk in file offset */
|| chunk_id >=
((dev->internal_end_block +
1) * dev->param.chunks_per_block)) {
- T(YAFFS_TRACE_ALWAYS,
- (TSTR
- ("Found daft chunk_id %d for %d" TENDSTR),
- chunk_id, i));
+ yaffs_trace(YAFFS_TRACE_ALWAYS,
+ "Found daft chunk_id %d for %d",
+ chunk_id, i);
} else {
in->n_data_chunks--;
yaffs_chunk_del(dev, chunk_id, 1, __LINE__);
int last_chunk = 1 + new_full;
u8 *local_buffer = yaffs_get_temp_buffer(dev, __LINE__);
- /* Got to read and rewrite the last chunk with its new size and zero pad */
+ /* Rewrite the last chunk with its new size and zero pad */
yaffs_rd_data_obj(obj, last_chunk, local_buffer);
memset(local_buffer + new_partial, 0,
dev->data_bytes_per_chunk - new_partial);
}
-static int yaffs_generic_obj_del(struct yaffs_obj *in)
-{
-
- /* First off, invalidate the file's data in the cache, without flushing. */
- yaffs_invalidate_whole_cache(in);
-
- if (in->my_dev->param.is_yaffs2 && (in->parent != in->my_dev->del_dir)) {
- /* Move to the unlinked directory so we have a record that it was deleted. */
- yaffs_change_obj_name(in, in->my_dev->del_dir, _Y("deleted"), 0,
- 0);
-
- }
-
- yaffs_remove_obj_from_dir(in);
- yaffs_chunk_del(in->my_dev, in->hdr_chunk, 1, __LINE__);
- in->hdr_chunk = 0;
-
- yaffs_free_obj(in);
- return YAFFS_OK;
-
-}
/* yaffs_del_file deletes the whole file data
* and the inode associated with the file.
ret_val =
yaffs_change_obj_name(in, in->my_dev->del_dir,
_Y("deleted"), 0, 0);
- T(YAFFS_TRACE_TRACING,
- (TSTR("yaffs: immediate deletion of file %d" TENDSTR),
- in->obj_id));
+ yaffs_trace(YAFFS_TRACE_TRACING,
+ "yaffs: immediate deletion of file %d",
+ in->obj_id);
in->deleted = 1;
in->my_dev->n_deleted_files++;
if (dev->param.disable_soft_del || dev->param.is_yaffs2)
static int yaffs_del_symlink(struct yaffs_obj *in)
{
if (in->variant.symlink_variant.alias)
- YFREE(in->variant.symlink_variant.alias);
+ kfree(in->variant.symlink_variant.alias);
in->variant.symlink_variant.alias = NULL;
return yaffs_generic_obj_del(in);
break;
case YAFFS_OBJECT_TYPE_DIRECTORY:
if (!list_empty(&obj->variant.dir_variant.dirty)) {
- T(YAFFS_TRACE_BACKGROUND,
- (TSTR
- ("Remove object %d from dirty directories" TENDSTR),
- obj->obj_id));
+ yaffs_trace(YAFFS_TRACE_BACKGROUND,
+ "Remove object %d from dirty directories",
+ obj->obj_id);
list_del_init(&obj->variant.dir_variant.dirty);
}
return yaffs_del_dir(obj);
return yaffs_unlink_obj(obj);
}
+/* Note:
+ * If old_name is NULL then we take old_dir as the object to be renamed.
+ */
+int yaffs_rename_obj(struct yaffs_obj *old_dir, const YCHAR * old_name,
+ struct yaffs_obj *new_dir, const YCHAR * new_name)
+{
+ struct yaffs_obj *obj = NULL;
+ struct yaffs_obj *existing_target = NULL;
+ int force = 0;
+ int result;
+ struct yaffs_dev *dev;
+
+ if (!old_dir || old_dir->variant_type != YAFFS_OBJECT_TYPE_DIRECTORY)
+ YBUG();
+ if (!new_dir || new_dir->variant_type != YAFFS_OBJECT_TYPE_DIRECTORY)
+ YBUG();
+
+ dev = old_dir->my_dev;
+
+#ifdef CONFIG_YAFFS_CASE_INSENSITIVE
+ /* Special case for case insemsitive systems.
+ * While look-up is case insensitive, the name isn't.
+ * Therefore we might want to change x.txt to X.txt
+ */
+ if (old_dir == new_dir &&
+ old_name && new_name &&
+ strcmp(old_name, new_name) == 0)
+ force = 1;
+#endif
+
+ if (strnlen(new_name, YAFFS_MAX_NAME_LENGTH + 1) >
+ YAFFS_MAX_NAME_LENGTH)
+ /* ENAMETOOLONG */
+ return YAFFS_FAIL;
+
+ if(old_name)
+ obj = yaffs_find_by_name(old_dir, old_name);
+ else{
+ obj = old_dir;
+ old_dir = obj->parent;
+ }
+
+
+ if (obj && obj->rename_allowed) {
+
+ /* Now do the handling for an existing target, if there is one */
+
+ existing_target = yaffs_find_by_name(new_dir, new_name);
+ if (yaffs_is_non_empty_dir(existing_target)){
+ return YAFFS_FAIL; /* ENOTEMPTY */
+ } else if (existing_target && existing_target != obj) {
+ /* Nuke the target first, using shadowing,
+ * but only if it isn't the same object.
+ *
+ * Note we must disable gc otherwise it can mess up the shadowing.
+ *
+ */
+ dev->gc_disable = 1;
+ yaffs_change_obj_name(obj, new_dir, new_name, force,
+ existing_target->obj_id);
+ existing_target->is_shadowed = 1;
+ yaffs_unlink_obj(existing_target);
+ dev->gc_disable = 0;
+ }
+
+ result = yaffs_change_obj_name(obj, new_dir, new_name, 1, 0);
+
+ yaffs_update_parent(old_dir);
+ if (new_dir != old_dir)
+ yaffs_update_parent(new_dir);
+
+ return result;
+ }
+ return YAFFS_FAIL;
+}
+
/*----------------------- Initialisation Scanning ---------------------- */
void yaffs_handle_shadowed_obj(struct yaffs_dev *dev, int obj_id,
hanging = 1;
}
if (hanging) {
- T(YAFFS_TRACE_SCAN,
- (TSTR
- ("Hanging object %d moved to lost and found"
- TENDSTR), obj->obj_id));
+ yaffs_trace(YAFFS_TRACE_SCAN,
+ "Hanging object %d moved to lost and found",
+ obj->obj_id);
yaffs_add_obj_to_dir(dev->lost_n_found,
obj);
}
- }
- }
- }
-}
-
-/*
- * Delete directory contents for cleaning up lost and found.
- */
-static void yaffs_del_dir_contents(struct yaffs_obj *dir)
-{
- struct yaffs_obj *obj;
- struct list_head *lh;
- struct list_head *n;
-
- if (dir->variant_type != YAFFS_OBJECT_TYPE_DIRECTORY)
- YBUG();
-
- list_for_each_safe(lh, n, &dir->variant.dir_variant.children) {
- if (lh) {
- obj = list_entry(lh, struct yaffs_obj, siblings);
- if (obj->variant_type == YAFFS_OBJECT_TYPE_DIRECTORY)
- yaffs_del_dir_contents(obj);
-
- T(YAFFS_TRACE_SCAN,
- (TSTR("Deleting lost_found object %d" TENDSTR),
- obj->obj_id));
-
- /* Need to use UnlinkObject since Delete would not handle
- * hardlinked objects correctly.
- */
- yaffs_unlink_obj(obj);
- }
- }
-
-}
-
-static void yaffs_empty_l_n_f(struct yaffs_dev *dev)
-{
- yaffs_del_dir_contents(dev->lost_n_found);
-}
-
-static void yaffs_check_obj_details_loaded(struct yaffs_obj *in)
-{
- u8 *chunk_data;
- struct yaffs_obj_hdr *oh;
- struct yaffs_dev *dev;
- struct yaffs_ext_tags tags;
- int result;
- int alloc_failed = 0;
-
- if (!in)
- return;
-
- dev = in->my_dev;
-
- if (in->lazy_loaded && in->hdr_chunk > 0) {
- in->lazy_loaded = 0;
- chunk_data = yaffs_get_temp_buffer(dev, __LINE__);
-
- result =
- yaffs_rd_chunk_tags_nand(dev, in->hdr_chunk, chunk_data,
- &tags);
- oh = (struct yaffs_obj_hdr *)chunk_data;
-
- in->yst_mode = oh->yst_mode;
- yaffs_load_attribs(in, oh);
- yaffs_set_obj_name_from_oh(in, oh);
-
- if (in->variant_type == YAFFS_OBJECT_TYPE_SYMLINK) {
- in->variant.symlink_variant.alias =
- yaffs_clone_str(oh->alias);
- if (!in->variant.symlink_variant.alias)
- alloc_failed = 1; /* Not returned to caller */
- }
-
- yaffs_release_temp_buffer(dev, chunk_data, __LINE__);
- }
-}
-
-/*------------------------------ Directory Functions ----------------------------- */
-
-/*
- *yaffs_update_parent() handles fixing a directories mtime and ctime when a new
- * link (ie. name) is created or deleted in the directory.
- *
- * ie.
- * create dir/a : update dir's mtime/ctime
- * rm dir/a: update dir's mtime/ctime
- * modify dir/a: don't update dir's mtimme/ctime
- *
- * This can be handled immediately or defered. Defering helps reduce the number
- * of updates when many files in a directory are changed within a brief period.
- *
- * If the directory updating is defered then yaffs_update_dirty_dirs must be
- * called periodically.
- */
-
-static void yaffs_update_parent(struct yaffs_obj *obj)
-{
- struct yaffs_dev *dev;
- if (!obj)
- return;
- dev = obj->my_dev;
- obj->dirty = 1;
- yaffs_load_current_time(obj, 0, 1);
- if (dev->param.defered_dir_update) {
- struct list_head *link = &obj->variant.dir_variant.dirty;
-
- if (list_empty(link)) {
- list_add(link, &dev->dirty_dirs);
- T(YAFFS_TRACE_BACKGROUND,
- (TSTR("Added object %d to dirty directories" TENDSTR),
- obj->obj_id));
- }
-
- } else {
- yaffs_update_oh(obj, NULL, 0, 0, 0, NULL);
- }
-}
-
-void yaffs_update_dirty_dirs(struct yaffs_dev *dev)
-{
- struct list_head *link;
- struct yaffs_obj *obj;
- struct yaffs_dir_var *d_s;
- union yaffs_obj_var *o_v;
-
- T(YAFFS_TRACE_BACKGROUND, (TSTR("Update dirty directories" TENDSTR)));
-
- while (!list_empty(&dev->dirty_dirs)) {
- link = dev->dirty_dirs.next;
- list_del_init(link);
-
- d_s = list_entry(link, struct yaffs_dir_var, dirty);
- o_v = list_entry(d_s, union yaffs_obj_var, dir_variant);
- obj = list_entry(o_v, struct yaffs_obj, variant);
-
- T(YAFFS_TRACE_BACKGROUND,
- (TSTR("Update directory %d" TENDSTR), obj->obj_id));
-
- if (obj->dirty)
- yaffs_update_oh(obj, NULL, 0, 0, 0, NULL);
+ }
+ }
}
}
-static void yaffs_remove_obj_from_dir(struct yaffs_obj *obj)
+/*
+ * Delete directory contents for cleaning up lost and found.
+ */
+static void yaffs_del_dir_contents(struct yaffs_obj *dir)
{
- struct yaffs_dev *dev = obj->my_dev;
- struct yaffs_obj *parent;
+ struct yaffs_obj *obj;
+ struct list_head *lh;
+ struct list_head *n;
- yaffs_verify_obj_in_dir(obj);
- parent = obj->parent;
+ if (dir->variant_type != YAFFS_OBJECT_TYPE_DIRECTORY)
+ YBUG();
- yaffs_verify_dir(parent);
+ list_for_each_safe(lh, n, &dir->variant.dir_variant.children) {
+ if (lh) {
+ obj = list_entry(lh, struct yaffs_obj, siblings);
+ if (obj->variant_type == YAFFS_OBJECT_TYPE_DIRECTORY)
+ yaffs_del_dir_contents(obj);
- if (dev && dev->param.remove_obj_fn)
- dev->param.remove_obj_fn(obj);
+ yaffs_trace(YAFFS_TRACE_SCAN,
+ "Deleting lost_found object %d",
+ obj->obj_id);
- list_del_init(&obj->siblings);
- obj->parent = NULL;
+ /* Need to use UnlinkObject since Delete would not handle
+ * hardlinked objects correctly.
+ */
+ yaffs_unlink_obj(obj);
+ }
+ }
- yaffs_verify_dir(parent);
}
-void yaffs_add_obj_to_dir(struct yaffs_obj *directory, struct yaffs_obj *obj)
+static void yaffs_empty_l_n_f(struct yaffs_dev *dev)
{
- if (!directory) {
- T(YAFFS_TRACE_ALWAYS,
- (TSTR
- ("tragedy: Trying to add an object to a null pointer directory"
- TENDSTR)));
- YBUG();
- return;
- }
- if (directory->variant_type != YAFFS_OBJECT_TYPE_DIRECTORY) {
- T(YAFFS_TRACE_ALWAYS,
- (TSTR
- ("tragedy: Trying to add an object to a non-directory"
- TENDSTR)));
- YBUG();
- }
-
- if (obj->siblings.prev == NULL) {
- /* Not initialised */
- YBUG();
- }
-
- yaffs_verify_dir(directory);
-
- yaffs_remove_obj_from_dir(obj);
-
- /* Now add it */
- list_add(&obj->siblings, &directory->variant.dir_variant.children);
- obj->parent = directory;
-
- if (directory == obj->my_dev->unlinked_dir
- || directory == obj->my_dev->del_dir) {
- obj->unlinked = 1;
- obj->my_dev->n_unlinked_files++;
- obj->rename_allowed = 0;
- }
-
- yaffs_verify_dir(directory);
- yaffs_verify_obj_in_dir(obj);
+ yaffs_del_dir_contents(dev->lost_n_found);
}
+
struct yaffs_obj *yaffs_find_by_name(struct yaffs_obj *directory,
const YCHAR * name)
{
return NULL;
if (!directory) {
- T(YAFFS_TRACE_ALWAYS,
- (TSTR
- ("tragedy: yaffs_find_by_name: null pointer directory"
- TENDSTR)));
+ yaffs_trace(YAFFS_TRACE_ALWAYS,
+ "tragedy: yaffs_find_by_name: null pointer directory"
+ );
YBUG();
return NULL;
}
if (directory->variant_type != YAFFS_OBJECT_TYPE_DIRECTORY) {
- T(YAFFS_TRACE_ALWAYS,
- (TSTR("tragedy: yaffs_find_by_name: non-directory" TENDSTR)));
+ yaffs_trace(YAFFS_TRACE_ALWAYS,
+ "tragedy: yaffs_find_by_name: non-directory"
+ );
YBUG();
}
/* Special case for lost-n-found */
if (l->obj_id == YAFFS_OBJECTID_LOSTNFOUND) {
- if (!yaffs_strcmp(name, YAFFS_LOSTNFOUND_NAME))
+ if (!strcmp(name, YAFFS_LOSTNFOUND_NAME))
return l;
- } else if (yaffs_sum_cmp(l->sum, sum)
+ } else if (l->sum == sum
|| l->hdr_chunk <= 0) {
/* LostnFound chunk called Objxxx
* Do a real check
*/
yaffs_get_obj_name(l, buffer,
YAFFS_MAX_NAME_LENGTH + 1);
- if (yaffs_strncmp
+ if (strncmp
(name, buffer, YAFFS_MAX_NAME_LENGTH) == 0)
return l;
}
int buffer_size)
{
/* Create an object name if we could not find one. */
- if (yaffs_strnlen(name, YAFFS_MAX_NAME_LENGTH) == 0) {
+ if (strnlen(name, YAFFS_MAX_NAME_LENGTH) == 0) {
YCHAR local_name[20];
YCHAR num_string[20];
YCHAR *x = &num_string[19];
v /= 10;
}
/* make up a name */
- yaffs_strcpy(local_name, YAFFS_LOSTNFOUND_PREFIX);
- yaffs_strcat(local_name, x);
- yaffs_strncpy(name, local_name, buffer_size - 1);
+ strcpy(local_name, YAFFS_LOSTNFOUND_PREFIX);
+ strcat(local_name, x);
+ strncpy(name, local_name, buffer_size - 1);
}
}
-static void yaffs_load_name_from_oh(struct yaffs_dev *dev, YCHAR * name,
- const YCHAR * oh_name, int buff_size)
-{
-#ifdef CONFIG_YAFFS_AUTO_UNICODE
- if (dev->param.auto_unicode) {
- if (*oh_name) {
- /* It is an ASCII name, so do an ASCII to unicode conversion */
- const char *ascii_oh_name = (const char *)oh_name;
- int n = buff_size - 1;
- while (n > 0 && *ascii_oh_name) {
- *name = *ascii_oh_name;
- name++;
- ascii_oh_name++;
- n--;
- }
- } else {
- yaffs_strncpy(name, oh_name + 1, buff_size - 1);
- }
- } else {
-#else
- {
-#endif
- yaffs_strncpy(name, oh_name, buff_size - 1);
- }
-}
-
-static void yaffs_load_oh_from_name(struct yaffs_dev *dev, YCHAR * oh_name,
- const YCHAR * name)
-{
-#ifdef CONFIG_YAFFS_AUTO_UNICODE
-
- int is_ascii;
- YCHAR *w;
-
- if (dev->param.auto_unicode) {
-
- is_ascii = 1;
- w = name;
-
- /* Figure out if the name will fit in ascii character set */
- while (is_ascii && *w) {
- if ((*w) & 0xff00)
- is_ascii = 0;
- w++;
- }
-
- if (is_ascii) {
- /* It is an ASCII name, so do a unicode to ascii conversion */
- char *ascii_oh_name = (char *)oh_name;
- int n = YAFFS_MAX_NAME_LENGTH - 1;
- while (n > 0 && *name) {
- *ascii_oh_name = *name;
- name++;
- ascii_oh_name++;
- n--;
- }
- } else {
- /* It is a unicode name, so save starting at the second YCHAR */
- *oh_name = 0;
- yaffs_strncpy(oh_name + 1, name,
- YAFFS_MAX_NAME_LENGTH - 2);
- }
- } else {
-#else
- {
-#endif
- yaffs_strncpy(oh_name, name, YAFFS_MAX_NAME_LENGTH - 1);
- }
-
-}
-
int yaffs_get_obj_name(struct yaffs_obj *obj, YCHAR * name, int buffer_size)
{
memset(name, 0, buffer_size * sizeof(YCHAR));
yaffs_check_obj_details_loaded(obj);
if (obj->obj_id == YAFFS_OBJECTID_LOSTNFOUND) {
- yaffs_strncpy(name, YAFFS_LOSTNFOUND_NAME, buffer_size - 1);
+ strncpy(name, YAFFS_LOSTNFOUND_NAME, buffer_size - 1);
}
#ifndef CONFIG_YAFFS_NO_SHORT_NAMES
else if (obj->short_name[0]) {
- yaffs_strcpy(name, obj->short_name);
+ strcpy(name, obj->short_name);
}
#endif
else if (obj->hdr_chunk > 0) {
yaffs_fix_null_name(obj, name, buffer_size);
- return yaffs_strnlen(name, YAFFS_MAX_NAME_LENGTH);
+ return strnlen(name, YAFFS_MAX_NAME_LENGTH);
}
int yaffs_get_obj_length(struct yaffs_obj *obj)
if (obj->variant_type == YAFFS_OBJECT_TYPE_SYMLINK) {
if (!obj->variant.symlink_variant.alias)
return 0;
- return yaffs_strnlen(obj->variant.symlink_variant.alias,
+ return strnlen(obj->variant.symlink_variant.alias,
YAFFS_MAX_ALIAS_LENGTH);
} else {
/* Only a directory should drop through to here */
return yaffs_clone_str(_Y(""));
}
-static int yaffs_do_xattrib_mod(struct yaffs_obj *obj, int set,
- const YCHAR * name, const void *value, int size,
- int flags)
-{
- struct yaffs_xattr_mod xmod;
-
- int result;
-
- xmod.set = set;
- xmod.name = name;
- xmod.data = value;
- xmod.size = size;
- xmod.flags = flags;
- xmod.result = -ENOSPC;
-
- result = yaffs_update_oh(obj, NULL, 0, 0, 0, &xmod);
-
- if (result > 0)
- return xmod.result;
- else
- return -ENOSPC;
-}
-
-static int yaffs_apply_xattrib_mod(struct yaffs_obj *obj, char *buffer,
- struct yaffs_xattr_mod *xmod)
-{
- int retval = 0;
- int x_offs = sizeof(struct yaffs_obj_hdr);
- struct yaffs_dev *dev = obj->my_dev;
- int x_size = dev->data_bytes_per_chunk - sizeof(struct yaffs_obj_hdr);
-
- char *x_buffer = buffer + x_offs;
-
- if (xmod->set)
- retval =
- nval_set(x_buffer, x_size, xmod->name, xmod->data,
- xmod->size, xmod->flags);
- else
- retval = nval_del(x_buffer, x_size, xmod->name);
-
- obj->has_xattr = nval_hasvalues(x_buffer, x_size);
- obj->xattr_known = 1;
-
- xmod->result = retval;
-
- return retval;
-}
-
-static int yaffs_do_xattrib_fetch(struct yaffs_obj *obj, const YCHAR * name,
- void *value, int size)
-{
- char *buffer = NULL;
- int result;
- struct yaffs_ext_tags tags;
- struct yaffs_dev *dev = obj->my_dev;
- int x_offs = sizeof(struct yaffs_obj_hdr);
- int x_size = dev->data_bytes_per_chunk - sizeof(struct yaffs_obj_hdr);
-
- char *x_buffer;
-
- int retval = 0;
-
- if (obj->hdr_chunk < 1)
- return -ENODATA;
-
- /* If we know that the object has no xattribs then don't do all the
- * reading and parsing.
- */
- if (obj->xattr_known && !obj->has_xattr) {
- if (name)
- return -ENODATA;
- else
- return 0;
- }
-
- buffer = (char *)yaffs_get_temp_buffer(dev, __LINE__);
- if (!buffer)
- return -ENOMEM;
-
- result =
- yaffs_rd_chunk_tags_nand(dev, obj->hdr_chunk, (u8 *) buffer, &tags);
-
- if (result != YAFFS_OK)
- retval = -ENOENT;
- else {
- x_buffer = buffer + x_offs;
-
- if (!obj->xattr_known) {
- obj->has_xattr = nval_hasvalues(x_buffer, x_size);
- obj->xattr_known = 1;
- }
-
- if (name)
- retval = nval_get(x_buffer, x_size, name, value, size);
- else
- retval = nval_list(x_buffer, x_size, value, size);
- }
- yaffs_release_temp_buffer(dev, (u8 *) buffer, __LINE__);
- return retval;
-}
-
-int yaffs_set_xattrib(struct yaffs_obj *obj, const YCHAR * name,
- const void *value, int size, int flags)
-{
- return yaffs_do_xattrib_mod(obj, 1, name, value, size, flags);
-}
-
-int yaffs_remove_xattrib(struct yaffs_obj *obj, const YCHAR * name)
-{
- return yaffs_do_xattrib_mod(obj, 0, name, NULL, 0, 0);
-}
-
-int yaffs_get_xattrib(struct yaffs_obj *obj, const YCHAR * name, void *value,
- int size)
-{
- return yaffs_do_xattrib_fetch(obj, name, value, size);
-}
-
-int yaffs_list_xattrib(struct yaffs_obj *obj, char *buffer, int size)
-{
- return yaffs_do_xattrib_fetch(obj, NULL, buffer, size);
-}
-
-/*---------------------------- Initialisation code -------------------------------------- */
+/*--------------------------- Initialisation code -------------------------- */
static int yaffs_check_dev_fns(const struct yaffs_dev *dev)
{
unsigned x;
int bits;
- T(YAFFS_TRACE_TRACING,
- (TSTR("yaffs: yaffs_guts_initialise()" TENDSTR)));
+ yaffs_trace(YAFFS_TRACE_TRACING, "yaffs: yaffs_guts_initialise()" );
/* Check stuff that must be set */
if (!dev) {
- T(YAFFS_TRACE_ALWAYS, (TSTR("yaffs: Need a device" TENDSTR)));
+ yaffs_trace(YAFFS_TRACE_ALWAYS,
+ "yaffs: Need a device"
+ );
return YAFFS_FAIL;
}
/* Check geometry parameters. */
- if ((!dev->param.inband_tags && dev->param.is_yaffs2 && dev->param.total_bytes_per_chunk < 1024) || (!dev->param.is_yaffs2 && dev->param.total_bytes_per_chunk < 512) || (dev->param.inband_tags && !dev->param.is_yaffs2) || dev->param.chunks_per_block < 2 || dev->param.n_reserved_blocks < 2 || dev->internal_start_block <= 0 || dev->internal_end_block <= 0 || dev->internal_end_block <= (dev->internal_start_block + dev->param.n_reserved_blocks + 2)) { /* otherwise it is too small */
- T(YAFFS_TRACE_ALWAYS,
- (TSTR
- ("yaffs: NAND geometry problems: chunk size %d, type is yaffs%s, inband_tags %d "
- TENDSTR), dev->param.total_bytes_per_chunk,
- dev->param.is_yaffs2 ? "2" : "", dev->param.inband_tags));
+ if ((!dev->param.inband_tags && dev->param.is_yaffs2 &&
+ dev->param.total_bytes_per_chunk < 1024) ||
+ (!dev->param.is_yaffs2 &&
+ dev->param.total_bytes_per_chunk < 512) ||
+ (dev->param.inband_tags && !dev->param.is_yaffs2) ||
+ dev->param.chunks_per_block < 2 ||
+ dev->param.n_reserved_blocks < 2 ||
+ dev->internal_start_block <= 0 ||
+ dev->internal_end_block <= 0 ||
+ dev->internal_end_block <=
+ (dev->internal_start_block + dev->param.n_reserved_blocks + 2)
+ ) {
+ /* otherwise it is too small */
+ yaffs_trace(YAFFS_TRACE_ALWAYS,
+ "NAND geometry problems: chunk size %d, type is yaffs%s, inband_tags %d ",
+ dev->param.total_bytes_per_chunk,
+ dev->param.is_yaffs2 ? "2" : "",
+ dev->param.inband_tags);
return YAFFS_FAIL;
}
if (yaffs_init_nand(dev) != YAFFS_OK) {
- T(YAFFS_TRACE_ALWAYS,
- (TSTR("yaffs: InitialiseNAND failed" TENDSTR)));
+ yaffs_trace(YAFFS_TRACE_ALWAYS, "InitialiseNAND failed");
return YAFFS_FAIL;
}
/* Got the right mix of functions? */
if (!yaffs_check_dev_fns(dev)) {
/* Function missing */
- T(YAFFS_TRACE_ALWAYS,
- (TSTR
- ("yaffs: device function(s) missing or wrong\n" TENDSTR)));
+ yaffs_trace(YAFFS_TRACE_ALWAYS,
+ "device function(s) missing or wrong");
return YAFFS_FAIL;
}
if (dev->is_mounted) {
- T(YAFFS_TRACE_ALWAYS,
- (TSTR("yaffs: device already mounted\n" TENDSTR)));
+ yaffs_trace(YAFFS_TRACE_ALWAYS, "device already mounted");
return YAFFS_FAIL;
}
* the chunk group size > chunks per block.
* This can be remedied by using larger "virtual blocks".
*/
- T(YAFFS_TRACE_ALWAYS,
- (TSTR("yaffs: chunk group too large\n" TENDSTR)));
+ yaffs_trace(YAFFS_TRACE_ALWAYS, "chunk group too large");
return YAFFS_FAIL;
}
if (dev->param.n_caches > YAFFS_MAX_SHORT_OP_CACHES)
dev->param.n_caches = YAFFS_MAX_SHORT_OP_CACHES;
- dev->cache = YMALLOC(cache_bytes);
+ dev->cache = kmalloc(cache_bytes, GFP_NOFS);
buf = (u8 *) dev->cache;
dev->cache[i].last_use = 0;
dev->cache[i].dirty = 0;
dev->cache[i].data = buf =
- YMALLOC_DMA(dev->param.total_bytes_per_chunk);
+ kmalloc(dev->param.total_bytes_per_chunk, GFP_NOFS);
}
if (!buf)
init_failed = 1;
if (!init_failed) {
dev->gc_cleanup_list =
- YMALLOC(dev->param.chunks_per_block * sizeof(u32));
+ kmalloc(dev->param.chunks_per_block * sizeof(u32),
+ GFP_NOFS);
if (!dev->gc_cleanup_list)
init_failed = 1;
}
if (dev->param.is_yaffs2) {
if (yaffs2_checkpt_restore(dev)) {
yaffs_check_obj_details_loaded(dev->root_dir);
- T(YAFFS_TRACE_CHECKPOINT | YAFFS_TRACE_MOUNT,
- (TSTR
- ("yaffs: restored from checkpoint"
- TENDSTR)));
+ yaffs_trace(YAFFS_TRACE_CHECKPOINT | YAFFS_TRACE_MOUNT,
+ "yaffs: restored from checkpoint"
+ );
} else {
/* Clean up the mess caused by an aborted checkpoint load
if (init_failed) {
/* Clean up the mess */
- T(YAFFS_TRACE_TRACING,
- (TSTR("yaffs: yaffs_guts_initialise() aborted.\n" TENDSTR)));
+ yaffs_trace(YAFFS_TRACE_TRACING,
+ "yaffs: yaffs_guts_initialise() aborted.");
yaffs_deinitialise(dev);
return YAFFS_FAIL;
if (!dev->is_checkpointed && dev->blocks_in_checkpt > 0)
yaffs2_checkpt_invalidate(dev);
- T(YAFFS_TRACE_TRACING,
- (TSTR("yaffs: yaffs_guts_initialise() done.\n" TENDSTR)));
+ yaffs_trace(YAFFS_TRACE_TRACING,
+ "yaffs: yaffs_guts_initialise() done.");
return YAFFS_OK;
}
for (i = 0; i < dev->param.n_caches; i++) {
if (dev->cache[i].data)
- YFREE(dev->cache[i].data);
+ kfree(dev->cache[i].data);
dev->cache[i].data = NULL;
}
- YFREE(dev->cache);
+ kfree(dev->cache);
dev->cache = NULL;
}
- YFREE(dev->gc_cleanup_list);
+ kfree(dev->gc_cleanup_list);
for (i = 0; i < YAFFS_N_TEMP_BUFFERS; i++)
- YFREE(dev->temp_buffer[i].buffer);
+ kfree(dev->temp_buffer[i].buffer);
dev->is_mounted = 0;
retval = mtd->write_oob(mtd, addr, &ops);
if (retval) {
- T(YAFFS_TRACE_MTD,
- (TSTR("write_oob failed, chunk %d, mtd error %d" TENDSTR),
- nand_chunk, retval));
+ yaffs_trace(YAFFS_TRACE_MTD,
+ "write_oob failed, chunk %d, mtd error %d",
+ nand_chunk, retval);
}
return retval ? YAFFS_FAIL : YAFFS_OK;
}
* Check status and determine ECC result.
*/
retval = mtd->read_oob(mtd, addr, &ops);
- if (retval) {
- T(YAFFS_TRACE_MTD,
- (TSTR("read_oob failed, chunk %d, mtd error %d" TENDSTR),
- nand_chunk, retval));
- }
+ if (retval)
+ yaffs_trace(YAFFS_TRACE_MTD,
+ "read_oob failed, chunk %d, mtd error %d",
+ nand_chunk, retval);
switch (retval) {
case 0:
int blocksize = dev->param.chunks_per_block * dev->data_bytes_per_chunk;
int retval;
- T(YAFFS_TRACE_BAD_BLOCKS,
- (TSTR("marking block %d bad" TENDSTR), block_no));
+ yaffs_trace(YAFFS_TRACE_BAD_BLOCKS, "marking block %d bad", block_no);
retval = mtd->block_markbad(mtd, (loff_t) blocksize * block_no);
return (retval) ? YAFFS_FAIL : YAFFS_OK;
int oobavail = mtd->ecclayout->oobavail;
if (oobavail < YTAG1_SIZE) {
- T(YAFFS_TRACE_ERROR,
- (TSTR
- ("mtd device has only %d bytes for tags, need %d" TENDSTR),
- oobavail, YTAG1_SIZE));
+ yaffs_trace(YAFFS_TRACE_ERROR,
+ "mtd device has only %d bytes for tags, need %d",
+ oobavail, YTAG1_SIZE);
return YAFFS_FAIL;
}
return YAFFS_OK;
retval = nandmtd1_read_chunk_tags(dev, chunk_num, NULL, &etags);
etags.block_bad = (mtd->block_isbad) (mtd, addr);
if (etags.block_bad) {
- T(YAFFS_TRACE_BAD_BLOCKS,
- (TSTR("block %d is marked bad" TENDSTR), block_no));
+ yaffs_trace(YAFFS_TRACE_BAD_BLOCKS,
+ "block %d is marked bad",
+ block_no);
state = YAFFS_BLOCK_STATE_DEAD;
} else if (etags.ecc_result != YAFFS_ECC_RESULT_NO_ERROR) {
/* bad tags, need to look more closely */
retval = mtd->write_oob(mtd, addr, &ops);
if (retval) {
- T(YAFFS_TRACE_MTD,
- (TSTR("write_oob failed, chunk %d, mtd error %d" TENDSTR),
- nand_chunk, retval));
+ yaffs_trace(YAFFS_TRACE_MTD,
+ "write_oob failed, chunk %d, mtd error %d",
+ nand_chunk, retval);
}
return retval ? YAFFS_FAIL : YAFFS_OK;
}
*/
retval = mtd->read_oob(mtd, addr, &ops);
if (retval) {
- T(YAFFS_TRACE_MTD,
- (TSTR("read_oob failed, chunk %d, mtd error %d" TENDSTR),
- nand_chunk, retval));
+ yaffs_trace(YAFFS_TRACE_MTD,
+ "read_oob failed, chunk %d, mtd error %d",
+ nand_chunk, retval);
}
switch (retval) {
int blocksize = dev->param.chunks_per_block * dev->data_bytes_per_chunk;
int retval;
- T(YAFFS_TRACE_BAD_BLOCKS,
- (TSTR("marking block %d bad" TENDSTR), block_no));
+ yaffs_trace(YAFFS_TRACE_BAD_BLOCKS,
+ "marking block %d bad", block_no);
retval = mtd->block_markbad(mtd, (loff_t) blocksize * block_no);
return (retval) ? YAFFS_FAIL : YAFFS_OK;
int oobavail = mtd->ecclayout->oobavail;
if (oobavail < YTAG1_SIZE) {
- T(YAFFS_TRACE_ERROR,
- (TSTR
- ("mtd device has only %d bytes for tags, need %d" TENDSTR),
- oobavail, YTAG1_SIZE));
+ yaffs_trace(YAFFS_TRACE_ERROR,
+ "mtd device has only %d bytes for tags, need %d",
+ oobavail, YTAG1_SIZE);
return YAFFS_FAIL;
}
return YAFFS_OK;
retval = nandmtd1_read_chunk_tags(dev, chunk_num, NULL, &etags);
etags.block_bad = (mtd->block_isbad) (mtd, addr);
if (etags.block_bad) {
- T(YAFFS_TRACE_BAD_BLOCKS,
- (TSTR("block %d is marked bad" TENDSTR), block_no));
+ yaffs_trace(YAFFS_TRACE_BAD_BLOCKS,
+ "block %d is marked bad", block_no);
state = YAFFS_BLOCK_STATE_DEAD;
} else if (etags.ecc_result != YAFFS_ECC_RESULT_NO_ERROR) {
/* bad tags, need to look more closely */
void *packed_tags_ptr =
dev->param.no_tags_ecc ? (void *)&pt.t : (void *)&pt;
- T(YAFFS_TRACE_MTD,
- (TSTR
- ("nandmtd2_write_chunk_tags chunk %d data %p tags %p"
- TENDSTR), nand_chunk, data, tags));
+ yaffs_trace(YAFFS_TRACE_MTD,
+ "nandmtd2_write_chunk_tags chunk %d data %p tags %p",
+ nand_chunk, data, tags);
addr = ((loff_t) nand_chunk) * dev->param.total_bytes_per_chunk;
void *packed_tags_ptr =
dev->param.no_tags_ecc ? (void *)&pt.t : (void *)&pt;
- T(YAFFS_TRACE_MTD,
- (TSTR
- ("nandmtd2_read_chunk_tags chunk %d data %p tags %p"
- TENDSTR), nand_chunk, data, tags));
+ yaffs_trace(YAFFS_TRACE_MTD,
+ "nandmtd2_read_chunk_tags chunk %d data %p tags %p",
+ nand_chunk, data, tags);
if (dev->param.inband_tags) {
if (tags) {
struct yaffs_packed_tags2_tags_only *pt2tp;
pt2tp =
- (struct yaffs_packed_tags2_tags_only *)&data[dev->
- data_bytes_per_chunk];
+ (struct yaffs_packed_tags2_tags_only *)
+ &data[dev->data_bytes_per_chunk];
yaffs_unpack_tags2_tags_only(tags, pt2tp);
}
} else {
{
struct mtd_info *mtd = yaffs_dev_to_mtd(dev);
int retval;
- T(YAFFS_TRACE_MTD,
- (TSTR("nandmtd2_mark_block_bad %d" TENDSTR), block_no));
+ yaffs_trace(YAFFS_TRACE_MTD,
+ "nandmtd2_mark_block_bad %d",
+ block_no);
retval =
mtd->block_markbad(mtd,
struct mtd_info *mtd = yaffs_dev_to_mtd(dev);
int retval;
- T(YAFFS_TRACE_MTD, (TSTR("nandmtd2_query_block %d" TENDSTR), block_no));
+ yaffs_trace(YAFFS_TRACE_MTD, "nandmtd2_query_block %d", block_no);
retval =
mtd->block_isbad(mtd,
block_no * dev->param.chunks_per_block *
dev->param.total_bytes_per_chunk);
if (retval) {
- T(YAFFS_TRACE_MTD, (TSTR("block is bad" TENDSTR)));
+ yaffs_trace(YAFFS_TRACE_MTD, "block is bad");
*state = YAFFS_BLOCK_STATE_DEAD;
*seq_number = 0;
*state = YAFFS_BLOCK_STATE_EMPTY;
}
}
- T(YAFFS_TRACE_MTD,
- (TSTR("block is bad seq %d state %d" TENDSTR), *seq_number, *state));
+ yaffs_trace(YAFFS_TRACE_MTD,
+ "block is bad seq %d state %d",
+ *seq_number, *state);
if (retval == 0)
return YAFFS_OK;
else
return YAFFS_FAIL;
}
+
void *packed_tags_ptr =
dev->param.no_tags_ecc ? (void *)&pt.t : (void *)&pt;
- T(YAFFS_TRACE_MTD,
- (TSTR
- ("nandmtd2_write_chunk_tags chunk %d data %p tags %p"
- TENDSTR), nand_chunk, data, tags));
+ yaffs_trace(YAFFS_TRACE_MTD,
+ "nandmtd2_write_chunk_tags chunk %d data %p tags %p",
+ nand_chunk, data, tags);
addr = ((loff_t) nand_chunk) * dev->param.total_bytes_per_chunk;
void *packed_tags_ptr =
dev->param.no_tags_ecc ? (void *)&pt.t : (void *)&pt;
- T(YAFFS_TRACE_MTD,
- (TSTR
- ("nandmtd2_read_chunk_tags chunk %d data %p tags %p"
- TENDSTR), nand_chunk, data, tags));
+ yaffs_trace(YAFFS_TRACE_MTD,
+ "nandmtd2_read_chunk_tags chunk %d data %p tags %p",
+ nand_chunk, data, tags);
if (dev->param.inband_tags) {
{
struct mtd_info *mtd = yaffs_dev_to_mtd(dev);
int retval;
- T(YAFFS_TRACE_MTD,
- (TSTR("nandmtd2_mark_block_bad %d" TENDSTR), block_no));
+ yaffs_trace(YAFFS_TRACE_MTD,
+ "nandmtd2_mark_block_bad %d", block_no);
retval =
mtd->block_markbad(mtd,
struct mtd_info *mtd = yaffs_dev_to_mtd(dev);
int retval;
- T(YAFFS_TRACE_MTD, (TSTR("nandmtd2_query_block %d" TENDSTR), block_no));
+ yaffs_trace(YAFFS_TRACE_MTD, "nandmtd2_query_block %d", block_no);
retval =
mtd->block_isbad(mtd,
block_no * dev->param.chunks_per_block *
dev->param.total_bytes_per_chunk);
if (retval) {
- T(YAFFS_TRACE_MTD, (TSTR("block is bad" TENDSTR)));
+ yaffs_trace(YAFFS_TRACE_MTD, "block is bad");
*state = YAFFS_BLOCK_STATE_DEAD;
*seq_number = 0;
*state = YAFFS_BLOCK_STATE_EMPTY;
}
}
- T(YAFFS_TRACE_MTD,
- (TSTR("block is bad seq %d state %d" TENDSTR), *seq_number, *state));
+ yaffs_trace(YAFFS_TRACE_MTD,
+ "block is bad seq %d state %d", *seq_number, *state);
if (retval == 0)
return YAFFS_OK;
else
return YAFFS_FAIL;
}
+
memcpy(&size, xb, sizeof(int));
while (size > 0 && (size < xb_size) && (pos + size < xb_size)) {
- if (yaffs_strncmp
+ if (strncmp
((YCHAR *) (xb + pos + sizeof(int)), name, size) == 0) {
if (exist_size)
*exist_size = size;
int bsize, int flags)
{
int pos;
- int namelen = yaffs_strnlen(name, xb_size);
+ int namelen = strnlen(name, xb_size);
int reclen;
int size_exist = 0;
int space;
memcpy(xb + pos, &reclen, sizeof(int));
pos += sizeof(int);
- yaffs_strncpy((YCHAR *) (xb + pos), name, reclen);
+ strncpy((YCHAR *) (xb + pos), name, reclen);
pos += (namelen + 1);
memcpy(xb + pos, buf, bsize);
return 0;
&& !filled) {
pos += sizeof(int);
size -= sizeof(int);
- name_len = yaffs_strnlen((YCHAR *) (xb + pos), size);
+ name_len = strnlen((YCHAR *) (xb + pos), size);
if (ncopied + name_len + 1 < bsize) {
memcpy(buf, xb + pos, name_len * sizeof(YCHAR));
buf += name_len;
tags->seq_number = dev->seq_number;
tags->chunk_used = 1;
if (!yaffs_validate_tags(tags)) {
- T(YAFFS_TRACE_ERROR,
- (TSTR("Writing uninitialised tags" TENDSTR)));
+ yaffs_trace(YAFFS_TRACE_ERROR, "Writing uninitialised tags");
YBUG();
}
- T(YAFFS_TRACE_WRITE,
- (TSTR("Writing chunk %d tags %d %d" TENDSTR), nand_chunk,
- tags->obj_id, tags->chunk_id));
+ yaffs_trace(YAFFS_TRACE_WRITE,
+ "Writing chunk %d tags %d %d",
+ nand_chunk, tags->obj_id, tags->chunk_id);
} else {
- T(YAFFS_TRACE_ERROR, (TSTR("Writing with no tags" TENDSTR)));
+ yaffs_trace(YAFFS_TRACE_ERROR, "Writing with no tags");
YBUG();
}
static void yaffs_dump_packed_tags2_tags_only(const struct
yaffs_packed_tags2_tags_only *ptt)
{
- T(YAFFS_TRACE_MTD,
- (TSTR("packed tags obj %d chunk %d byte %d seq %d" TENDSTR),
- ptt->obj_id, ptt->chunk_id, ptt->n_bytes, ptt->seq_number));
+ yaffs_trace(YAFFS_TRACE_MTD,
+ "packed tags obj %d chunk %d byte %d seq %d",
+ ptt->obj_id, ptt->chunk_id, ptt->n_bytes, ptt->seq_number);
}
static void yaffs_dump_packed_tags2(const struct yaffs_packed_tags2 *pt)
static void yaffs_dump_tags2(const struct yaffs_ext_tags *t)
{
- T(YAFFS_TRACE_MTD,
- (TSTR
- ("ext.tags eccres %d blkbad %d chused %d obj %d chunk%d byte %d del %d ser %d seq %d"
- TENDSTR), t->ecc_result, t->block_bad, t->chunk_used, t->obj_id,
- t->chunk_id, t->n_bytes, t->is_deleted, t->serial_number,
- t->seq_number));
+ yaffs_trace(YAFFS_TRACE_MTD,
+ "ext.tags eccres %d blkbad %d chused %d obj %d chunk%d byte %d del %d ser %d seq %d",
+ t->ecc_result, t->block_bad, t->chunk_used, t->obj_id,
+ t->chunk_id, t->n_bytes, t->is_deleted, t->serial_number,
+ t->seq_number);
}
struct yaffs_spare *spare)
{
if (nand_chunk < dev->param.start_block * dev->param.chunks_per_block) {
- T(YAFFS_TRACE_ERROR,
- (TSTR("**>> yaffs chunk %d is not valid" TENDSTR),
- nand_chunk));
+ yaffs_trace(YAFFS_TRACE_ERROR,
+ "**>> yaffs chunk %d is not valid",
+ nand_chunk);
return YAFFS_FAIL;
}
calc_ecc);
if (ecc_result1 > 0) {
- T(YAFFS_TRACE_ERROR,
- (TSTR
- ("**>>yaffs ecc error fix performed on chunk %d:0"
- TENDSTR), nand_chunk));
+ yaffs_trace(YAFFS_TRACE_ERROR,
+ "**>>yaffs ecc error fix performed on chunk %d:0",
+ nand_chunk);
dev->n_ecc_fixed++;
} else if (ecc_result1 < 0) {
- T(YAFFS_TRACE_ERROR,
- (TSTR
- ("**>>yaffs ecc error unfixed on chunk %d:0"
- TENDSTR), nand_chunk));
+ yaffs_trace(YAFFS_TRACE_ERROR,
+ "**>>yaffs ecc error unfixed on chunk %d:0",
+ nand_chunk);
dev->n_ecc_unfixed++;
}
if (ecc_result2 > 0) {
- T(YAFFS_TRACE_ERROR,
- (TSTR
- ("**>>yaffs ecc error fix performed on chunk %d:1"
- TENDSTR), nand_chunk));
+ yaffs_trace(YAFFS_TRACE_ERROR,
+ "**>>yaffs ecc error fix performed on chunk %d:1",
+ nand_chunk);
dev->n_ecc_fixed++;
} else if (ecc_result2 < 0) {
- T(YAFFS_TRACE_ERROR,
- (TSTR
- ("**>>yaffs ecc error unfixed on chunk %d:1"
- TENDSTR), nand_chunk));
+ yaffs_trace(YAFFS_TRACE_ERROR,
+ "**>>yaffs ecc error unfixed on chunk %d:1",
+ nand_chunk);
dev->n_ecc_unfixed++;
}
memcpy(spare, &nspare, sizeof(struct yaffs_spare));
if (data && correct_errors) {
if (nspare.eccres1 > 0) {
- T(YAFFS_TRACE_ERROR,
- (TSTR
- ("**>>mtd ecc error fix performed on chunk %d:0"
- TENDSTR), nand_chunk));
+ yaffs_trace(YAFFS_TRACE_ERROR,
+ "**>>mtd ecc error fix performed on chunk %d:0",
+ nand_chunk);
} else if (nspare.eccres1 < 0) {
- T(YAFFS_TRACE_ERROR,
- (TSTR
- ("**>>mtd ecc error unfixed on chunk %d:0"
- TENDSTR), nand_chunk));
+ yaffs_trace(YAFFS_TRACE_ERROR,
+ "**>>mtd ecc error unfixed on chunk %d:0",
+ nand_chunk);
}
if (nspare.eccres2 > 0) {
- T(YAFFS_TRACE_ERROR,
- (TSTR
- ("**>>mtd ecc error fix performed on chunk %d:1"
- TENDSTR), nand_chunk));
+ yaffs_trace(YAFFS_TRACE_ERROR,
+ "**>>mtd ecc error fix performed on chunk %d:1",
+ nand_chunk);
} else if (nspare.eccres2 < 0) {
- T(YAFFS_TRACE_ERROR,
- (TSTR
- ("**>>mtd ecc error unfixed on chunk %d:1"
- TENDSTR), nand_chunk));
+ yaffs_trace(YAFFS_TRACE_ERROR,
+ "**>>mtd ecc error unfixed on chunk %d:1",
+ nand_chunk);
}
if (nspare.eccres1 || nspare.eccres2) {
yaffs_get_block_info(dev,
flash_block + dev->block_offset)->needs_retiring =
1;
- T(YAFFS_TRACE_ERROR | YAFFS_TRACE_BAD_BLOCKS,
- (TSTR("**>>Block %d marked for retirement" TENDSTR), flash_block));
+ yaffs_trace(YAFFS_TRACE_ERROR | YAFFS_TRACE_BAD_BLOCKS,
+ "**>>Block %d marked for retirement",
+ flash_block);
/* TODO:
* Just do a garbage collection on the affected block
#define YAFFS_TRACE_BUG 0x80000000
#define YAFFS_TRACE_ALWAYS 0xF0000000
-#define T(mask, p) do { if ((mask) & (yaffs_trace_mask | YAFFS_TRACE_ALWAYS)) TOUT(p); } while (0)
-
#endif
/* Report illegal runtime states */
if (bi->block_state >= YAFFS_NUMBER_OF_BLOCK_STATES)
- T(YAFFS_TRACE_VERIFY,
- (TSTR("Block %d has undefined state %d" TENDSTR), n,
- bi->block_state));
+ yaffs_trace(YAFFS_TRACE_VERIFY,
+ "Block %d has undefined state %d",
+ n, bi->block_state);
switch (bi->block_state) {
case YAFFS_BLOCK_STATE_UNKNOWN:
case YAFFS_BLOCK_STATE_SCANNING:
case YAFFS_BLOCK_STATE_NEEDS_SCANNING:
- T(YAFFS_TRACE_VERIFY,
- (TSTR("Block %d has bad run-state %s" TENDSTR), n,
- block_state_name[bi->block_state]));
+ yaffs_trace(YAFFS_TRACE_VERIFY,
+ "Block %d has bad run-state %s",
+ n, block_state_name[bi->block_state]);
}
/* Check pages in use and soft deletions are legal */
|| bi->soft_del_pages < 0
|| bi->soft_del_pages > dev->param.chunks_per_block
|| actually_used < 0 || actually_used > dev->param.chunks_per_block)
- T(YAFFS_TRACE_VERIFY,
- (TSTR
- ("Block %d has illegal values pages_in_used %d soft_del_pages %d"
- TENDSTR), n, bi->pages_in_use, bi->soft_del_pages));
+ yaffs_trace(YAFFS_TRACE_VERIFY,
+ "Block %d has illegal values pages_in_used %d soft_del_pages %d",
+ n, bi->pages_in_use, bi->soft_del_pages);
/* Check chunk bitmap legal */
in_use = yaffs_count_chunk_bits(dev, n);
if (in_use != bi->pages_in_use)
- T(YAFFS_TRACE_VERIFY,
- (TSTR
- ("Block %d has inconsistent values pages_in_use %d counted chunk bits %d"
- TENDSTR), n, bi->pages_in_use, in_use));
+ yaffs_trace(YAFFS_TRACE_VERIFY,
+ "Block %d has inconsistent values pages_in_use %d counted chunk bits %d",
+ n, bi->pages_in_use, in_use);
}
if (bi->block_state != YAFFS_BLOCK_STATE_COLLECTING &&
bi->block_state != YAFFS_BLOCK_STATE_EMPTY) {
- T(YAFFS_TRACE_ERROR,
- (TSTR
- ("Block %d is in state %d after gc, should be erased"
- TENDSTR), n, bi->block_state));
+ yaffs_trace(YAFFS_TRACE_ERROR,
+ "Block %d is in state %d after gc, should be erased",
+ n, bi->block_state);
}
}
illegal_states++;
}
- T(YAFFS_TRACE_VERIFY, (TSTR("" TENDSTR)));
- T(YAFFS_TRACE_VERIFY, (TSTR("Block summary" TENDSTR)));
+ yaffs_trace(YAFFS_TRACE_VERIFY, "Block summary");
- T(YAFFS_TRACE_VERIFY,
- (TSTR("%d blocks have illegal states" TENDSTR), illegal_states));
+ yaffs_trace(YAFFS_TRACE_VERIFY,
+ "%d blocks have illegal states",
+ illegal_states);
if (state_count[YAFFS_BLOCK_STATE_ALLOCATING] > 1)
- T(YAFFS_TRACE_VERIFY,
- (TSTR("Too many allocating blocks" TENDSTR)));
+ yaffs_trace(YAFFS_TRACE_VERIFY,
+ "Too many allocating blocks");
for (i = 0; i < YAFFS_NUMBER_OF_BLOCK_STATES; i++)
- T(YAFFS_TRACE_VERIFY,
- (TSTR("%s %d blocks" TENDSTR),
- block_state_name[i], state_count[i]));
+ yaffs_trace(YAFFS_TRACE_VERIFY,
+ "%s %d blocks",
+ block_state_name[i], state_count[i]);
if (dev->blocks_in_checkpt != state_count[YAFFS_BLOCK_STATE_CHECKPOINT])
- T(YAFFS_TRACE_VERIFY,
- (TSTR("Checkpoint block count wrong dev %d count %d" TENDSTR),
- dev->blocks_in_checkpt,
- state_count[YAFFS_BLOCK_STATE_CHECKPOINT]));
+ yaffs_trace(YAFFS_TRACE_VERIFY,
+ "Checkpoint block count wrong dev %d count %d",
+ dev->blocks_in_checkpt,
+ state_count[YAFFS_BLOCK_STATE_CHECKPOINT]);
if (dev->n_erased_blocks != state_count[YAFFS_BLOCK_STATE_EMPTY])
- T(YAFFS_TRACE_VERIFY,
- (TSTR("Erased block count wrong dev %d count %d" TENDSTR),
- dev->n_erased_blocks, state_count[YAFFS_BLOCK_STATE_EMPTY]));
+ yaffs_trace(YAFFS_TRACE_VERIFY,
+ "Erased block count wrong dev %d count %d",
+ dev->n_erased_blocks,
+ state_count[YAFFS_BLOCK_STATE_EMPTY]);
if (state_count[YAFFS_BLOCK_STATE_COLLECTING] > 1)
- T(YAFFS_TRACE_VERIFY,
- (TSTR("Too many collecting blocks %d (max is 1)" TENDSTR),
- state_count[YAFFS_BLOCK_STATE_COLLECTING]));
-
- T(YAFFS_TRACE_VERIFY, (TSTR("" TENDSTR)));
-
+ yaffs_trace(YAFFS_TRACE_VERIFY,
+ "Too many collecting blocks %d (max is 1)",
+ state_count[YAFFS_BLOCK_STATE_COLLECTING]);
}
/*
return;
if (!(tags && obj && oh)) {
- T(YAFFS_TRACE_VERIFY,
- (TSTR("Verifying object header tags %p obj %p oh %p" TENDSTR),
- tags, obj, oh));
+ yaffs_trace(YAFFS_TRACE_VERIFY,
+ "Verifying object header tags %p obj %p oh %p",
+ tags, obj, oh);
return;
}
if (oh->type <= YAFFS_OBJECT_TYPE_UNKNOWN ||
oh->type > YAFFS_OBJECT_TYPE_MAX)
- T(YAFFS_TRACE_VERIFY,
- (TSTR("Obj %d header type is illegal value 0x%x" TENDSTR),
- tags->obj_id, oh->type));
+ yaffs_trace(YAFFS_TRACE_VERIFY,
+ "Obj %d header type is illegal value 0x%x",
+ tags->obj_id, oh->type);
if (tags->obj_id != obj->obj_id)
- T(YAFFS_TRACE_VERIFY,
- (TSTR("Obj %d header mismatch obj_id %d" TENDSTR),
- tags->obj_id, obj->obj_id));
+ yaffs_trace(YAFFS_TRACE_VERIFY,
+ "Obj %d header mismatch obj_id %d",
+ tags->obj_id, obj->obj_id);
/*
* Check that the object's parent ids match if parent_check requested.
*/
if (parent_check && tags->obj_id > 1 && !obj->parent)
- T(YAFFS_TRACE_VERIFY,
- (TSTR
- ("Obj %d header mismatch parent_id %d obj->parent is NULL"
- TENDSTR), tags->obj_id, oh->parent_obj_id));
+ yaffs_trace(YAFFS_TRACE_VERIFY,
+ "Obj %d header mismatch parent_id %d obj->parent is NULL",
+ tags->obj_id, oh->parent_obj_id);
if (parent_check && obj->parent &&
oh->parent_obj_id != obj->parent->obj_id &&
(oh->parent_obj_id != YAFFS_OBJECTID_UNLINKED ||
obj->parent->obj_id != YAFFS_OBJECTID_DELETED))
- T(YAFFS_TRACE_VERIFY,
- (TSTR
- ("Obj %d header mismatch parent_id %d parent_obj_id %d"
- TENDSTR), tags->obj_id, oh->parent_obj_id,
- obj->parent->obj_id));
+ yaffs_trace(YAFFS_TRACE_VERIFY,
+ "Obj %d header mismatch parent_id %d parent_obj_id %d",
+ tags->obj_id, oh->parent_obj_id,
+ obj->parent->obj_id);
if (tags->obj_id > 1 && oh->name[0] == 0) /* Null name */
- T(YAFFS_TRACE_VERIFY,
- (TSTR("Obj %d header name is NULL" TENDSTR), obj->obj_id));
+ yaffs_trace(YAFFS_TRACE_VERIFY,
+ "Obj %d header name is NULL",
+ obj->obj_id);
if (tags->obj_id > 1 && ((u8) (oh->name[0])) == 0xff) /* Trashed name */
- T(YAFFS_TRACE_VERIFY,
- (TSTR("Obj %d header name is 0xFF" TENDSTR), obj->obj_id));
+ yaffs_trace(YAFFS_TRACE_VERIFY,
+ "Obj %d header name is 0xFF",
+ obj->obj_id);
}
void yaffs_verify_file(struct yaffs_obj *obj)
if (tn) {
u32 the_chunk = yaffs_get_group_base(dev, tn, i);
if (the_chunk > 0) {
- /* T(~0,(TSTR("verifying (%d:%d) %d"TENDSTR),obj_id,i,the_chunk)); */
yaffs_rd_chunk_tags_nand(dev, the_chunk, NULL,
&tags);
- if (tags.obj_id != obj_id || tags.chunk_id != i) {
- T(~0,
- (TSTR
- ("Object %d chunk_id %d NAND mismatch chunk %d tags (%d:%d)"
- TENDSTR), obj_id, i, the_chunk,
- tags.obj_id, tags.chunk_id));
- }
+ if (tags.obj_id != obj_id || tags.chunk_id != i)
+ yaffs_trace(YAFFS_TRACE_VERIFY,
+ "Object %d chunk_id %d NAND mismatch chunk %d tags (%d:%d)",
+ obj_id, i, the_chunk,
+ tags.obj_id, tags.chunk_id);
}
}
}
obj->hdr_chunk % dev->param.chunks_per_block);
chunk_wrongly_deleted = chunk_in_range && !chunk_valid;
- if (!obj->fake && (!chunk_id_ok || chunk_wrongly_deleted)) {
- T(YAFFS_TRACE_VERIFY,
- (TSTR("Obj %d has chunk_id %d %s %s" TENDSTR),
- obj->obj_id, obj->hdr_chunk,
- chunk_id_ok ? "" : ",out of range",
- chunk_wrongly_deleted ? ",marked as deleted" : ""));
- }
+ if (!obj->fake && (!chunk_id_ok || chunk_wrongly_deleted))
+ yaffs_trace(YAFFS_TRACE_VERIFY,
+ "Obj %d has chunk_id %d %s %s",
+ obj->obj_id, obj->hdr_chunk,
+ chunk_id_ok ? "" : ",out of range",
+ chunk_wrongly_deleted ? ",marked as deleted" : "");
if (chunk_valid && !yaffs_skip_nand_verification(dev)) {
struct yaffs_ext_tags tags;
/* Verify it has a parent */
if (obj && !obj->fake && (!obj->parent || obj->parent->my_dev != dev)) {
- T(YAFFS_TRACE_VERIFY,
- (TSTR
- ("Obj %d has parent pointer %p which does not look like an object"
- TENDSTR), obj->obj_id, obj->parent));
+ yaffs_trace(YAFFS_TRACE_VERIFY,
+ "Obj %d has parent pointer %p which does not look like an object",
+ obj->obj_id, obj->parent);
}
/* Verify parent is a directory */
if (obj->parent
&& obj->parent->variant_type != YAFFS_OBJECT_TYPE_DIRECTORY) {
- T(YAFFS_TRACE_VERIFY,
- (TSTR("Obj %d's parent is not a directory (type %d)" TENDSTR),
- obj->obj_id, obj->parent->variant_type));
+ yaffs_trace(YAFFS_TRACE_VERIFY,
+ "Obj %d's parent is not a directory (type %d)",
+ obj->obj_id, obj->parent->variant_type);
}
switch (obj->variant_type) {
break;
case YAFFS_OBJECT_TYPE_UNKNOWN:
default:
- T(YAFFS_TRACE_VERIFY,
- (TSTR("Obj %d has illegaltype %d" TENDSTR),
- obj->obj_id, obj->variant_type));
+ yaffs_trace(YAFFS_TRACE_VERIFY,
+ "Obj %d has illegaltype %d",
+ obj->obj_id, obj->variant_type);
break;
}
}
int count = 0;
if (!obj) {
- T(YAFFS_TRACE_ALWAYS, (TSTR("No object to verify" TENDSTR)));
+ yaffs_trace(YAFFS_TRACE_ALWAYS, "No object to verify");
YBUG();
return;
}
return;
if (!obj->parent) {
- T(YAFFS_TRACE_ALWAYS,
- (TSTR("Object does not have parent" TENDSTR)));
+ yaffs_trace(YAFFS_TRACE_ALWAYS, "Object does not have parent" );
YBUG();
return;
}
if (obj->parent->variant_type != YAFFS_OBJECT_TYPE_DIRECTORY) {
- T(YAFFS_TRACE_ALWAYS,
- (TSTR("Parent is not directory" TENDSTR)));
+ yaffs_trace(YAFFS_TRACE_ALWAYS, "Parent is not directory");
YBUG();
}
}
if (count != 1) {
- T(YAFFS_TRACE_ALWAYS,
- (TSTR("Object in directory %d times" TENDSTR), count));
+ yaffs_trace(YAFFS_TRACE_ALWAYS,
+ "Object in directory %d times",
+ count);
YBUG();
}
}
return;
if (directory->variant_type != YAFFS_OBJECT_TYPE_DIRECTORY) {
- T(YAFFS_TRACE_ALWAYS,
- (TSTR("Directory has wrong type: %d" TENDSTR),
- directory->variant_type));
+ yaffs_trace(YAFFS_TRACE_ALWAYS,
+ "Directory has wrong type: %d",
+ directory->variant_type);
YBUG();
}
if (lh) {
list_obj = list_entry(lh, struct yaffs_obj, siblings);
if (list_obj->parent != directory) {
- T(YAFFS_TRACE_ALWAYS,
- (TSTR
- ("Object in directory list has wrong parent %p"
- TENDSTR), list_obj->parent));
+ yaffs_trace(YAFFS_TRACE_ALWAYS,
+ "Object in directory list has wrong parent %p",
+ list_obj->parent);
YBUG();
}
yaffs_verify_obj_in_dir(list_obj);
difference = dev->n_free_chunks - counted;
if (difference) {
- T(YAFFS_TRACE_ALWAYS,
- (TSTR("Freechunks verification failure %d %d %d" TENDSTR),
- dev->n_free_chunks, counted, difference));
+ yaffs_trace(YAFFS_TRACE_ALWAYS,
+ "Freechunks verification failure %d %d %d",
+ dev->n_free_chunks, counted, difference);
yaffs_free_verification_failures++;
}
}
in = in;
return YAFFS_OK;
}
+
static void yaffs_gross_lock(struct yaffs_dev *dev)
{
- T(YAFFS_TRACE_LOCK, (TSTR("yaffs locking %p\n"), current));
+ yaffs_trace(YAFFS_TRACE_LOCK, "yaffs locking %p", current);
mutex_lock(&(yaffs_dev_to_lc(dev)->gross_lock));
- T(YAFFS_TRACE_LOCK, (TSTR("yaffs locked %p\n"), current));
+ yaffs_trace(YAFFS_TRACE_LOCK, "yaffs locked %p", current);
}
static void yaffs_gross_unlock(struct yaffs_dev *dev)
{
- T(YAFFS_TRACE_LOCK, (TSTR("yaffs unlocking %p\n"), current));
+ yaffs_trace(YAFFS_TRACE_LOCK, "yaffs unlocking %p", current);
mutex_unlock(&(yaffs_dev_to_lc(dev)->gross_lock));
}
{
struct yaffs_dev *dev = dir->my_dev;
struct yaffs_search_context *sc =
- YMALLOC(sizeof(struct yaffs_search_context));
+ kmalloc(sizeof(struct yaffs_search_context), GFP_NOFS);
if (sc) {
sc->dir_obj = dir;
sc->dev = dev;
{
if (sc) {
list_del(&sc->others);
- YFREE(sc);
+ kfree(sc);
}
}
if (current != yaffs_dev_to_lc(dev)->readdir_process)
yaffs_gross_lock(dev);
- T(YAFFS_TRACE_OS,
- (TSTR("yaffs_lookup for %d:%s\n"),
- yaffs_inode_to_obj(dir)->obj_id, dentry->d_name.name));
+ yaffs_trace(YAFFS_TRACE_OS,"yaffs_lookup for %d:%s",
+ yaffs_inode_to_obj(dir)->obj_id, dentry->d_name.name);
obj = yaffs_find_by_name(yaffs_inode_to_obj(dir), dentry->d_name.name);
yaffs_gross_unlock(dev);
if (obj) {
- T(YAFFS_TRACE_OS,
- (TSTR("yaffs_lookup found %d\n"), obj->obj_id));
+ yaffs_trace(YAFFS_TRACE_OS,
+ "yaffs_lookup found %d", obj->obj_id);
inode = yaffs_get_inode(dir->i_sb, obj->yst_mode, 0, obj);
-
- if (inode) {
- T(YAFFS_TRACE_OS, (TSTR("yaffs_loookup dentry \n")));
-/* #if 0 asserted by NCB for 2.5/6 compatability - falls through to
- * d_add even if NULL inode */
-#if 0
- /*dget(dentry); // try to solve directory bug */
- d_add(dentry, inode);
-
- /* return dentry; */
- return NULL;
-#endif
- }
-
} else {
- T(YAFFS_TRACE_OS, (TSTR("yaffs_lookup not found\n")));
+ yaffs_trace(YAFFS_TRACE_OS, "yaffs_lookup not found");
}
*/
static void yaffs_put_inode(struct inode *inode)
{
- T(YAFFS_TRACE_OS,
- (TSTR("yaffs_put_inode: ino %d, count %d\n"), (int)inode->i_ino,
- atomic_read(&inode->i_count)));
+ yaffs_trace(YAFFS_TRACE_OS,
+ "yaffs_put_inode: ino %d, count %d"),
+ (int)inode->i_ino, atomic_read(&inode->i_count);
}
#endif
obj = yaffs_inode_to_obj(inode);
- T(YAFFS_TRACE_OS,
- (TSTR("yaffs_evict_inode: ino %d, count %d %s\n"), (int)inode->i_ino,
- atomic_read(&inode->i_count),
- obj ? "object exists" : "null object"));
+ yaffs_trace(YAFFS_TRACE_OS,
+ "yaffs_evict_inode: ino %d, count %d %s",
+ (int)inode->i_ino, atomic_read(&inode->i_count),
+ obj ? "object exists" : "null object"));
if (!inode->i_nlink && !is_bad_inode(inode))
deleteme = 1;
yaffs_unstitch_obj(inode, obj);
yaffs_gross_unlock(dev);
}
-
}
#else
obj = yaffs_inode_to_obj(inode);
- T(YAFFS_TRACE_OS,
- (TSTR("yaffs_clear_inode: ino %d, count %d %s\n"), (int)inode->i_ino,
- atomic_read(&inode->i_count),
- obj ? "object exists" : "null object"));
+ yaffs_trace(YAFFS_TRACE_OS,
+ "yaffs_clear_inode: ino %d, count %d %s",
+ (int)inode->i_ino, atomic_read(&inode->i_count),
+ obj ? "object exists" : "null object");
if (obj) {
dev = obj->my_dev;
struct yaffs_obj *obj = yaffs_inode_to_obj(inode);
struct yaffs_dev *dev;
- T(YAFFS_TRACE_OS,
- (TSTR("yaffs_delete_inode: ino %d, count %d %s\n"), (int)inode->i_ino,
- atomic_read(&inode->i_count),
- obj ? "object exists" : "null object"));
+ yaffs_trace(YAFFS_TRACE_OS,
+ "yaffs_delete_inode: ino %d, count %d %s",
+ (int)inode->i_ino, atomic_read(&inode->i_count),
+ obj ? "object exists" : "null object");
if (obj) {
dev = obj->my_dev;
struct yaffs_dev *dev = obj->my_dev;
- T(YAFFS_TRACE_OS,
- (TSTR("yaffs_file_flush object %d (%s)\n"), obj->obj_id,
- obj->dirty ? "dirty" : "clean"));
+ yaffs_trace(YAFFS_TRACE_OS,
+ "yaffs_file_flush object %d (%s)",
+ obj->obj_id,
+ obj->dirty ? "dirty" : "clean");
yaffs_gross_lock(dev);
struct yaffs_dev *dev;
- T(YAFFS_TRACE_OS,
- (TSTR("yaffs_readpage_nolock at %08x, size %08x\n"),
- (unsigned)(pg->index << PAGE_CACHE_SHIFT),
- (unsigned)PAGE_CACHE_SIZE));
+ yaffs_trace(YAFFS_TRACE_OS,
+ "yaffs_readpage_nolock at %08x, size %08x",
+ (unsigned)(pg->index << PAGE_CACHE_SHIFT),
+ (unsigned)PAGE_CACHE_SIZE);
obj = yaffs_dentry_to_obj(f->f_dentry);
flush_dcache_page(pg);
kunmap(pg);
- T(YAFFS_TRACE_OS, (TSTR("yaffs_readpage_nolock done\n")));
+ yaffs_trace(YAFFS_TRACE_OS, "yaffs_readpage_nolock done");
return ret;
}
{
int ret;
- T(YAFFS_TRACE_OS, (TSTR("yaffs_readpage\n")));
+ yaffs_trace(YAFFS_TRACE_OS, "yaffs_readpage");
ret = yaffs_readpage_unlock(f, pg);
- T(YAFFS_TRACE_OS, (TSTR("yaffs_readpage done\n")));
+ yaffs_trace(YAFFS_TRACE_OS, "yaffs_readpage done");
return ret;
}
n_bytes = i_size & (PAGE_CACHE_SIZE - 1);
if (page->index > end_index || !n_bytes) {
- T(YAFFS_TRACE_OS,
- (TSTR
- ("yaffs_writepage at %08x, inode size = %08x!!!\n"),
- (unsigned)(page->index << PAGE_CACHE_SHIFT),
- (unsigned)inode->i_size));
- T(YAFFS_TRACE_OS,
- (TSTR(" -> don't care!!\n")));
+ yaffs_trace(YAFFS_TRACE_OS,
+ "yaffs_writepage at %08x, inode size = %08x!!",
+ (unsigned)(page->index << PAGE_CACHE_SHIFT),
+ (unsigned)inode->i_size);
+ yaffs_trace(YAFFS_TRACE_OS,
+ " -> don't care!!");
zero_user_segment(page, 0, PAGE_CACHE_SIZE);
set_page_writeback(page);
dev = obj->my_dev;
yaffs_gross_lock(dev);
- T(YAFFS_TRACE_OS,
- (TSTR("yaffs_writepage at %08x, size %08x\n"),
- (unsigned)(page->index << PAGE_CACHE_SHIFT), n_bytes));
- T(YAFFS_TRACE_OS,
- (TSTR("writepag0: obj = %05x, ino = %05x\n"),
- (int)obj->variant.file_variant.file_size, (int)inode->i_size));
+ yaffs_trace(YAFFS_TRACE_OS,
+ "yaffs_writepage at %08x, size %08x",
+ (unsigned)(page->index << PAGE_CACHE_SHIFT), n_bytes);
+ yaffs_trace(YAFFS_TRACE_OS,
+ "writepag0: obj = %05x, ino = %05x",
+ (int)obj->variant.file_variant.file_size, (int)inode->i_size);
n_written = yaffs_wr_file(obj, buffer,
page->index << PAGE_CACHE_SHIFT, n_bytes, 0);
yaffs_touch_super(dev);
- T(YAFFS_TRACE_OS,
- (TSTR("writepag1: obj = %05x, ino = %05x\n"),
- (int)obj->variant.file_variant.file_size, (int)inode->i_size));
+ yaffs_trace(YAFFS_TRACE_OS,
+ "writepag1: obj = %05x, ino = %05x",
+ (int)obj->variant.file_variant.file_size, (int)inode->i_size);
yaffs_gross_unlock(dev);
ret = -ENOMEM;
goto out;
}
- T(YAFFS_TRACE_OS,
- (TSTR("start yaffs_write_begin index %d(%x) uptodate %d\n"),
- (int)index, (int)index, Page_Uptodate(pg) ? 1 : 0));
+ yaffs_trace(YAFFS_TRACE_OS,
+ "start yaffs_write_begin index %d(%x) uptodate %d",
+ (int)index, (int)index, Page_Uptodate(pg) ? 1 : 0);
/* Get fs space */
space_held = yaffs_hold_space(filp);
goto out;
/* Happy path return */
- T(YAFFS_TRACE_OS, (TSTR("end yaffs_write_begin - ok\n")));
+ yaffs_trace(YAFFS_TRACE_OS, "end yaffs_write_begin - ok");
return 0;
out:
- T(YAFFS_TRACE_OS,
- (TSTR("end yaffs_write_begin fail returning %d\n"), ret));
+ yaffs_trace(YAFFS_TRACE_OS,
+ "end yaffs_write_begin fail returning %d", ret);
if (space_held)
yaffs_release_space(filp);
if (pg) {
static int yaffs_prepare_write(struct file *f, struct page *pg,
unsigned offset, unsigned to)
{
- T(YAFFS_TRACE_OS, (TSTR("yaffs_prepair_write\n")));
+ yaffs_trace(YAFFS_TRACE_OS, "yaffs_prepair_write");
if (!Page_Uptodate(pg))
return yaffs_readpage_nolock(f, pg);
kva = kmap(pg);
addr = kva + offset_into_page;
- T(YAFFS_TRACE_OS,
- ("yaffs_write_end addr %p pos %x n_bytes %d\n",
- addr, (unsigned)pos, copied));
+ yaffs_trace(YAFFS_TRACE_OS,
+ "yaffs_write_end addr %p pos %x n_bytes %d",
+ addr, (unsigned)pos, copied);
ret = yaffs_file_write(filp, addr, copied, &pos);
if (ret != copied) {
- T(YAFFS_TRACE_OS,
- (TSTR("yaffs_write_end not same size ret %d copied %d\n"),
- ret, copied));
+ yaffs_trace(YAFFS_TRACE_OS,
+ "yaffs_write_end not same size ret %d copied %d",
+ ret, copied);
SetPageError(pg);
- } else {
- /* Nothing */
}
kunmap(pg);
saddr = (unsigned)addr;
- T(YAFFS_TRACE_OS,
- (TSTR("yaffs_commit_write addr %x pos %x n_bytes %d\n"),
- saddr, spos, n_bytes));
+ yaffs_trace(YAFFS_TRACE_OS,
+ "yaffs_commit_write addr %x pos %x n_bytes %d",
+ saddr, spos, n_bytes);
n_written = yaffs_file_write(f, addr, n_bytes, &pos);
if (n_written != n_bytes) {
- T(YAFFS_TRACE_OS,
- (TSTR
- ("yaffs_commit_write not same size n_written %d n_bytes %d\n"),
- n_written, n_bytes));
+ yaffs_trace(YAFFS_TRACE_OS,
+ "yaffs_commit_write not same size n_written %d n_bytes %d",
+ n_written, n_bytes);
SetPageError(pg);
- } else {
- /* Nothing */
}
-
kunmap(pg);
- T(YAFFS_TRACE_OS,
- (TSTR("yaffs_commit_write returning %d\n"),
- n_written == n_bytes ? 0 : n_written));
+ yaffs_trace(YAFFS_TRACE_OS,
+ "yaffs_commit_write returning %d",
+ n_written == n_bytes ? 0 : n_written);
return n_written == n_bytes ? 0 : n_written;
}
inode->i_nlink = yaffs_get_obj_link_count(obj);
- T(YAFFS_TRACE_OS,
- (TSTR
- ("yaffs_fill_inode mode %x uid %d gid %d size %d count %d\n"),
- inode->i_mode, inode->i_uid, inode->i_gid,
- (int)inode->i_size, atomic_read(&inode->i_count)));
+ yaffs_trace(YAFFS_TRACE_OS,
+ "yaffs_fill_inode mode %x uid %d gid %d size %d count %d",
+ inode->i_mode, inode->i_uid, inode->i_gid,
+ (int)inode->i_size, atomic_read(&inode->i_count));
switch (obj->yst_mode & S_IFMT) {
default: /* fifo, device or socket */
obj->my_inode = inode;
} else {
- T(YAFFS_TRACE_OS,
- (TSTR("yaffs_fill_inode invalid parameters\n")));
+ yaffs_trace(YAFFS_TRACE_OS,
+ "yaffs_fill_inode invalid parameters");
}
}
struct inode *inode;
if (!sb) {
- T(YAFFS_TRACE_OS,
- (TSTR("yaffs_get_inode for NULL super_block!!\n")));
+ yaffs_trace(YAFFS_TRACE_OS,
+ "yaffs_get_inode for NULL super_block!!");
return NULL;
}
if (!obj) {
- T(YAFFS_TRACE_OS,
- (TSTR("yaffs_get_inode for NULL object!!\n")));
+ yaffs_trace(YAFFS_TRACE_OS,
+ "yaffs_get_inode for NULL object!!");
return NULL;
}
- T(YAFFS_TRACE_OS,
- (TSTR("yaffs_get_inode for object %d\n"), obj->obj_id));
+ yaffs_trace(YAFFS_TRACE_OS,
+ "yaffs_get_inode for object %d", obj->obj_id);
inode = Y_IGET(sb, obj->obj_id);
if (IS_ERR(inode))
ipos = *pos;
if (!obj)
- T(YAFFS_TRACE_OS,
- (TSTR("yaffs_file_write: hey obj is null!\n")));
+ yaffs_trace(YAFFS_TRACE_OS,
+ "yaffs_file_write: hey obj is null!");
else
- T(YAFFS_TRACE_OS,
- (TSTR("yaffs_file_write about to write writing %u(%x) bytes"
- "to object %d at %d(%x)\n"),
- (unsigned)n, (unsigned)n, obj->obj_id, ipos, ipos));
+ yaffs_trace(YAFFS_TRACE_OS,
+ "yaffs_file_write about to write writing %u(%x) bytes to object %d at %d(%x)",
+ (unsigned)n, (unsigned)n, obj->obj_id, ipos, ipos);
n_written = yaffs_wr_file(obj, buf, ipos, n, 0);
yaffs_touch_super(dev);
- T(YAFFS_TRACE_OS,
- (TSTR("yaffs_file_write: %d(%x) bytes written\n"),
- (unsigned)n, (unsigned)n));
+ yaffs_trace(YAFFS_TRACE_OS,
+ "yaffs_file_write: %d(%x) bytes written",
+ (unsigned)n, (unsigned)n);
if (n_written > 0) {
ipos += n_written;
inode->i_size = ipos;
inode->i_blocks = (ipos + 511) >> 9;
- T(YAFFS_TRACE_OS,
- (TSTR("yaffs_file_write size updated to %d bytes, "
- "%d blocks\n"), ipos, (int)(inode->i_blocks)));
+ yaffs_trace(YAFFS_TRACE_OS,
+ "yaffs_file_write size updated to %d bytes, %d blocks",
+ ipos, (int)(inode->i_blocks));
}
}
goto out;
}
- T(YAFFS_TRACE_OS,
- (TSTR("yaffs_readdir: starting at %d\n"), (int)offset));
+ yaffs_trace(YAFFS_TRACE_OS,
+ "yaffs_readdir: starting at %d", (int)offset);
if (offset == 0) {
- T(YAFFS_TRACE_OS,
- (TSTR("yaffs_readdir: entry . ino %d \n"),
- (int)inode->i_ino));
+ yaffs_trace(YAFFS_TRACE_OS,
+ "yaffs_readdir: entry . ino %d",
+ (int)inode->i_ino);
yaffs_gross_unlock(dev);
if (filldir(dirent, ".", 1, offset, inode->i_ino, DT_DIR) < 0) {
yaffs_gross_lock(dev);
f->f_pos++;
}
if (offset == 1) {
- T(YAFFS_TRACE_OS,
- (TSTR("yaffs_readdir: entry .. ino %d \n"),
- (int)f->f_dentry->d_parent->d_inode->i_ino));
+ yaffs_trace(YAFFS_TRACE_OS,
+ "yaffs_readdir: entry .. ino %d",
+ (int)f->f_dentry->d_parent->d_inode->i_ino);
yaffs_gross_unlock(dev);
if (filldir(dirent, "..", 2, offset,
f->f_dentry->d_parent->d_inode->i_ino,
int this_type = yaffs_get_obj_type(l);
yaffs_get_obj_name(l, name, YAFFS_MAX_NAME_LENGTH + 1);
- T(YAFFS_TRACE_OS,
- (TSTR("yaffs_readdir: %s inode %d\n"),
- name, yaffs_get_obj_inode(l)));
+ yaffs_trace(YAFFS_TRACE_OS,
+ "yaffs_readdir: %s inode %d",
+ name, yaffs_get_obj_inode(l));
yaffs_gross_unlock(dev);
mode |= S_ISGID;
if (parent) {
- T(YAFFS_TRACE_OS,
- (TSTR("yaffs_mknod: parent object %d type %d\n"),
- parent->obj_id, parent->variant_type));
+ yaffs_trace(YAFFS_TRACE_OS,
+ "yaffs_mknod: parent object %d type %d",
+ parent->obj_id, parent->variant_type);
} else {
- T(YAFFS_TRACE_OS,
- (TSTR("yaffs_mknod: could not get parent object\n")));
+ yaffs_trace(YAFFS_TRACE_OS,
+ "yaffs_mknod: could not get parent object");
return -EPERM;
}
- T(YAFFS_TRACE_OS, (TSTR("yaffs_mknod: making oject for %s, "
- "mode %x dev %x\n"),
- dentry->d_name.name, mode, rdev));
+ yaffs_trace(YAFFS_TRACE_OS,
+ "yaffs_mknod: making oject for %s, mode %x dev %x",
+ dentry->d_name.name, mode, rdev);
dev = parent->my_dev;
switch (mode & S_IFMT) {
default:
/* Special (socket, fifo, device...) */
- T(YAFFS_TRACE_OS, (TSTR("yaffs_mknod: making special\n")));
+ yaffs_trace(YAFFS_TRACE_OS, "yaffs_mknod: making special");
#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
obj =
yaffs_create_special(parent, dentry->d_name.name, mode, uid,
#endif
break;
case S_IFREG: /* file */
- T(YAFFS_TRACE_OS, (TSTR("yaffs_mknod: making file\n")));
+ yaffs_trace(YAFFS_TRACE_OS, "yaffs_mknod: making file");
obj = yaffs_create_file(parent, dentry->d_name.name, mode, uid,
gid);
break;
case S_IFDIR: /* directory */
- T(YAFFS_TRACE_OS, (TSTR("yaffs_mknod: making directory\n")));
+ yaffs_trace(YAFFS_TRACE_OS, "yaffs_mknod: making directory");
obj = yaffs_create_dir(parent, dentry->d_name.name, mode,
uid, gid);
break;
case S_IFLNK: /* symlink */
- T(YAFFS_TRACE_OS, (TSTR("yaffs_mknod: making symlink\n")));
+ yaffs_trace(YAFFS_TRACE_OS, "yaffs_mknod: making symlink");
obj = NULL; /* Do we ever get here? */
break;
}
inode = yaffs_get_inode(dir->i_sb, mode, rdev, obj);
d_instantiate(dentry, inode);
update_dir_time(dir);
- T(YAFFS_TRACE_OS,
- (TSTR("yaffs_mknod created object %d count = %d\n"),
- obj->obj_id, atomic_read(&inode->i_count)));
+ yaffs_trace(YAFFS_TRACE_OS,
+ "yaffs_mknod created object %d count = %d",
+ obj->obj_id, atomic_read(&inode->i_count));
error = 0;
yaffs_fill_inode_from_obj(dir, parent);
} else {
- T(YAFFS_TRACE_OS, (TSTR("yaffs_mknod failed making object\n")));
+ yaffs_trace(YAFFS_TRACE_OS, "yaffs_mknod failed making object");
error = -ENOMEM;
}
static int yaffs_mkdir(struct inode *dir, struct dentry *dentry, int mode)
{
int ret_val;
- T(YAFFS_TRACE_OS, (TSTR("yaffs_mkdir\n")));
+ yaffs_trace(YAFFS_TRACE_OS, "yaffs_mkdir");
ret_val = yaffs_mknod(dir, dentry, mode | S_IFDIR, 0);
return ret_val;
}
static int yaffs_create(struct inode *dir, struct dentry *dentry, int mode)
#endif
{
- T(YAFFS_TRACE_OS, (TSTR("yaffs_create\n")));
+ yaffs_trace(YAFFS_TRACE_OS, "yaffs_create");
return yaffs_mknod(dir, dentry, mode | S_IFREG, 0);
}
struct yaffs_dev *dev;
struct yaffs_obj *obj;
- T(YAFFS_TRACE_OS,
- (TSTR("yaffs_unlink %d:%s\n"),
- (int)(dir->i_ino), dentry->d_name.name));
+ yaffs_trace(YAFFS_TRACE_OS, "yaffs_unlink %d:%s",
+ (int)(dir->i_ino), dentry->d_name.name);
obj = yaffs_inode_to_obj(dir);
dev = obj->my_dev;
struct yaffs_obj *link = NULL;
struct yaffs_dev *dev;
- T(YAFFS_TRACE_OS, (TSTR("yaffs_link\n")));
+ yaffs_trace(YAFFS_TRACE_OS, "yaffs_link");
obj = yaffs_inode_to_obj(inode);
dev = obj->my_dev;
old_dentry->d_inode->i_nlink = yaffs_get_obj_link_count(obj);
d_instantiate(dentry, old_dentry->d_inode);
atomic_inc(&old_dentry->d_inode->i_count);
- T(YAFFS_TRACE_OS,
- (TSTR("yaffs_link link count %d i_count %d\n"),
- old_dentry->d_inode->i_nlink,
- atomic_read(&old_dentry->d_inode->i_count)));
+ yaffs_trace(YAFFS_TRACE_OS,
+ "yaffs_link link count %d i_count %d",
+ old_dentry->d_inode->i_nlink,
+ atomic_read(&old_dentry->d_inode->i_count));
}
yaffs_gross_unlock(dev);
gid_t gid =
(dir->i_mode & S_ISGID) ? dir->i_gid : YCRED(current)->fsgid;
- T(YAFFS_TRACE_OS, (TSTR("yaffs_symlink\n")));
+ yaffs_trace(YAFFS_TRACE_OS, "yaffs_symlink");
dev = yaffs_inode_to_obj(dir)->my_dev;
yaffs_gross_lock(dev);
inode = yaffs_get_inode(dir->i_sb, obj->yst_mode, 0, obj);
d_instantiate(dentry, inode);
update_dir_time(dir);
- T(YAFFS_TRACE_OS, (TSTR("symlink created OK\n")));
+ yaffs_trace(YAFFS_TRACE_OS, "symlink created OK");
return 0;
} else {
- T(YAFFS_TRACE_OS, (TSTR("symlink not created\n")));
+ yaffs_trace(YAFFS_TRACE_OS, "symlink not created");
}
return -ENOMEM;
dev = obj->my_dev;
- T(YAFFS_TRACE_OS | YAFFS_TRACE_SYNC, (TSTR("yaffs_sync_object\n")));
+ yaffs_trace(YAFFS_TRACE_OS | YAFFS_TRACE_SYNC,
+ "yaffs_sync_object");
yaffs_gross_lock(dev);
yaffs_flush_file(obj, 1, datasync);
yaffs_gross_unlock(dev);
int ret_val = YAFFS_FAIL;
struct yaffs_obj *target;
- T(YAFFS_TRACE_OS, (TSTR("yaffs_rename\n")));
+ yaffs_trace(YAFFS_TRACE_OS, "yaffs_rename");
dev = yaffs_inode_to_obj(old_dir)->my_dev;
yaffs_gross_lock(dev);
if (target && target->variant_type == YAFFS_OBJECT_TYPE_DIRECTORY &&
!list_empty(&target->variant.dir_variant.children)) {
- T(YAFFS_TRACE_OS, (TSTR("target is non-empty dir\n")));
+ yaffs_trace(YAFFS_TRACE_OS, "target is non-empty dir");
ret_val = YAFFS_FAIL;
} else {
/* Now does unlinking internally using shadowing mechanism */
- T(YAFFS_TRACE_OS, (TSTR("calling yaffs_rename_obj\n")));
+ yaffs_trace(YAFFS_TRACE_OS, "calling yaffs_rename_obj");
ret_val = yaffs_rename_obj(yaffs_inode_to_obj(old_dir),
old_dentry->d_name.name,
int error = 0;
struct yaffs_dev *dev;
- T(YAFFS_TRACE_OS,
- (TSTR("yaffs_setattr of object %d\n"),
- yaffs_inode_to_obj(inode)->obj_id));
+ yaffs_trace(YAFFS_TRACE_OS,
+ "yaffs_setattr of object %d",
+ yaffs_inode_to_obj(inode)->obj_id);
/* Fail if a requested resize >= 2GB */
if (attr->ia_valid & ATTR_SIZE && (attr->ia_size >> 31))
int result;
if (!error) {
error = yaffs_vfs_setattr(inode, attr);
- T(YAFFS_TRACE_OS, (TSTR("inode_setattr called\n")));
+ yaffs_trace(YAFFS_TRACE_OS, "inode_setattr called");
if (attr->ia_valid & ATTR_SIZE) {
yaffs_vfs_setsize(inode, attr->ia_size);
inode->i_blocks = (inode->i_size + 511) >> 9;
}
dev = yaffs_inode_to_obj(inode)->my_dev;
if (attr->ia_valid & ATTR_SIZE) {
- T(YAFFS_TRACE_OS, (TSTR("resize to %d(%x)\n"),
- (int)(attr->ia_size),
- (int)(attr->ia_size)));
+ yaffs_trace(YAFFS_TRACE_OS,
+ "resize to %d(%x)",
+ (int)(attr->ia_size),
+ (int)(attr->ia_size));
}
yaffs_gross_lock(dev);
result = yaffs_set_attribs(yaffs_inode_to_obj(inode), attr);
}
- T(YAFFS_TRACE_OS, (TSTR("yaffs_setattr done returning %d\n"), error));
+ yaffs_trace(YAFFS_TRACE_OS, "yaffs_setattr done returning %d", error);
return error;
}
struct yaffs_dev *dev;
struct yaffs_obj *obj = yaffs_inode_to_obj(inode);
- T(YAFFS_TRACE_OS, (TSTR("yaffs_setxattr of object %d\n"), obj->obj_id));
+ yaffs_trace(YAFFS_TRACE_OS, "yaffs_setxattr of object %d", obj->obj_id);
if (error == 0) {
int result;
yaffs_gross_unlock(dev);
}
- T(YAFFS_TRACE_OS, (TSTR("yaffs_setxattr done returning %d\n"), error));
+ yaffs_trace(YAFFS_TRACE_OS, "yaffs_setxattr done returning %d", error);
return error;
}
-static ssize_t yaffs_getxattr(struct dentry * dentry, const char *name, void *buff,
- size_t size)
+static ssize_t yaffs_getxattr(struct dentry * dentry, const char *name,
+ void *buff, size_t size)
{
struct inode *inode = dentry->d_inode;
int error = 0;
struct yaffs_dev *dev;
struct yaffs_obj *obj = yaffs_inode_to_obj(inode);
- T(YAFFS_TRACE_OS,
- (TSTR("yaffs_getxattr \"%s\" from object %d\n"), name, obj->obj_id));
+ yaffs_trace(YAFFS_TRACE_OS,
+ "yaffs_getxattr \"%s\" from object %d",
+ name, obj->obj_id);
if (error == 0) {
dev = obj->my_dev;
yaffs_gross_unlock(dev);
}
- T(YAFFS_TRACE_OS, (TSTR("yaffs_getxattr done returning %d\n"), error));
+ yaffs_trace(YAFFS_TRACE_OS, "yaffs_getxattr done returning %d", error);
return error;
}
struct yaffs_dev *dev;
struct yaffs_obj *obj = yaffs_inode_to_obj(inode);
- T(YAFFS_TRACE_OS,
- (TSTR("yaffs_removexattr of object %d\n"), obj->obj_id));
+ yaffs_trace(YAFFS_TRACE_OS,
+ "yaffs_removexattr of object %d", obj->obj_id);
if (error == 0) {
int result;
yaffs_gross_unlock(dev);
}
- T(YAFFS_TRACE_OS,
- (TSTR("yaffs_removexattr done returning %d\n"), error));
+ yaffs_trace(YAFFS_TRACE_OS,
+ "yaffs_removexattr done returning %d", error);
return error;
}
struct yaffs_dev *dev;
struct yaffs_obj *obj = yaffs_inode_to_obj(inode);
- T(YAFFS_TRACE_OS,
- (TSTR("yaffs_listxattr of object %d\n"), obj->obj_id));
+ yaffs_trace(YAFFS_TRACE_OS,
+ "yaffs_listxattr of object %d", obj->obj_id);
if (error == 0) {
dev = obj->my_dev;
yaffs_gross_unlock(dev);
}
- T(YAFFS_TRACE_OS, (TSTR("yaffs_listxattr done returning %d\n"), error));
+ yaffs_trace(YAFFS_TRACE_OS,
+ "yaffs_listxattr done returning %d", error);
return error;
}
struct yaffs_dev *dev = yaffs_super_to_dev(sb);
#endif
- T(YAFFS_TRACE_OS, (TSTR("yaffs_statfs\n")));
+ yaffs_trace(YAFFS_TRACE_OS, "yaffs_statfs");
yaffs_gross_lock(dev);
list_for_each_entry(iptr, &sb->s_inodes, i_sb_list) {
obj = yaffs_inode_to_obj(iptr);
if (obj) {
- T(YAFFS_TRACE_OS, (TSTR("flushing obj %d\n"),
- obj->obj_id));
+ yaffs_trace(YAFFS_TRACE_OS,
+ "flushing obj %d",
+ obj->obj_id);
yaffs_flush_file(obj, 1, 0);
}
}
unsigned gc_urgent = yaffs_bg_gc_urgency(dev);
int do_checkpoint;
- T(YAFFS_TRACE_OS | YAFFS_TRACE_SYNC | YAFFS_TRACE_BACKGROUND,
- (TSTR("yaffs_do_sync_fs: gc-urgency %d %s %s%s\n"),
- gc_urgent,
- sb->s_dirt ? "dirty" : "clean",
- request_checkpoint ? "checkpoint requested" : "no checkpoint",
- oneshot_checkpoint ? " one-shot" : ""));
+ yaffs_trace(YAFFS_TRACE_OS | YAFFS_TRACE_SYNC | YAFFS_TRACE_BACKGROUND,
+ "yaffs_do_sync_fs: gc-urgency %d %s %s%s",
+ gc_urgent,
+ sb->s_dirt ? "dirty" : "clean",
+ request_checkpoint ? "checkpoint requested" : "no checkpoint",
+ oneshot_checkpoint ? " one-shot" : "");
yaffs_gross_lock(dev);
do_checkpoint = ((request_checkpoint && !gc_urgent) ||
int gc_result;
struct timer_list timer;
- T(YAFFS_TRACE_BACKGROUND,
- (TSTR("yaffs_background starting for dev %p\n"), (void *)dev));
+ yaffs_trace(YAFFS_TRACE_BACKGROUND,
+ "yaffs_background starting for dev %p", (void *)dev);
#ifdef YAFFS_COMPILE_FREEZER
set_freezable();
#endif
while (context->bg_running) {
- T(YAFFS_TRACE_BACKGROUND, (TSTR("yaffs_background\n")));
+ yaffs_trace(YAFFS_TRACE_BACKGROUND, "yaffs_background");
if (kthread_should_stop())
break;
{
unsigned request_checkpoint = (yaffs_auto_checkpoint >= 2);
- T(YAFFS_TRACE_OS | YAFFS_TRACE_SYNC | YAFFS_TRACE_BACKGROUND,
- (TSTR("yaffs_write_super%s\n"),
- request_checkpoint ? " checkpt" : ""));
+ yaffs_trace(YAFFS_TRACE_OS | YAFFS_TRACE_SYNC | YAFFS_TRACE_BACKGROUND,
+ "yaffs_write_super %s",
+ request_checkpoint ? " checkpt" : "");
yaffs_do_sync_fs(sb, request_checkpoint);
{
unsigned request_checkpoint = (yaffs_auto_checkpoint >= 1);
- T(YAFFS_TRACE_OS | YAFFS_TRACE_SYNC,
- (TSTR("yaffs_sync_fs%s\n"), request_checkpoint ? " checkpt" : ""));
+ yaffs_trace(YAFFS_TRACE_OS | YAFFS_TRACE_SYNC,
+ "yaffs_sync_fs%s", request_checkpoint ? " checkpt" : "");
yaffs_do_sync_fs(sb, request_checkpoint);
struct yaffs_obj *obj;
struct yaffs_dev *dev = yaffs_super_to_dev(sb);
- T(YAFFS_TRACE_OS, (TSTR("yaffs_iget for %lu\n"), ino));
+ yaffs_trace(YAFFS_TRACE_OS, "yaffs_iget for %lu", ino);
inode = iget_locked(sb, ino);
if (!inode)
struct yaffs_obj *obj;
struct yaffs_dev *dev = yaffs_super_to_dev(inode->i_sb);
- T(YAFFS_TRACE_OS,
- (TSTR("yaffs_read_inode for %d\n"), (int)inode->i_ino));
+ yaffs_trace(YAFFS_TRACE_OS,
+ "yaffs_read_inode for %d", (int)inode->i_ino);
if (current != yaffs_dev_to_lc(dev)->readdir_process)
yaffs_gross_lock(dev);
{
struct yaffs_dev *dev = yaffs_super_to_dev(sb);
- T(YAFFS_TRACE_OS, (TSTR("yaffs_put_super\n")));
+ yaffs_trace(YAFFS_TRACE_OS, "yaffs_put_super");
- T(YAFFS_TRACE_OS | YAFFS_TRACE_BACKGROUND,
- (TSTR("Shutting down yaffs background thread\n")));
+ yaffs_trace(YAFFS_TRACE_OS | YAFFS_TRACE_BACKGROUND,
+ "Shutting down yaffs background thread");
yaffs_bg_stop(dev);
- T(YAFFS_TRACE_OS | YAFFS_TRACE_BACKGROUND,
- (TSTR("yaffs background thread shut down\n")));
+ yaffs_trace(YAFFS_TRACE_OS | YAFFS_TRACE_BACKGROUND,
+ "yaffs background thread shut down");
yaffs_gross_lock(dev);
mutex_unlock(&yaffs_context_lock);
if (yaffs_dev_to_lc(dev)->spare_buffer) {
- YFREE(yaffs_dev_to_lc(dev)->spare_buffer);
+ kfree(yaffs_dev_to_lc(dev)->spare_buffer);
yaffs_dev_to_lc(dev)->spare_buffer = NULL;
}
{
struct super_block *sb = yaffs_dev_to_lc(dev)->super;
- T(YAFFS_TRACE_OS, (TSTR("yaffs_touch_super() sb = %p\n"), sb));
+ yaffs_trace(YAFFS_TRACE_OS, "yaffs_touch_super() sb = %p", sb);
if (sb)
sb->s_dirt = 1;
}
sb->s_blocksize = PAGE_CACHE_SIZE;
sb->s_blocksize_bits = PAGE_CACHE_SHIFT;
- T(YAFFS_TRACE_OS,
- (TSTR("yaffs_read_super: Using yaffs%d\n"), yaffs_version));
- T(YAFFS_TRACE_OS,
- (TSTR("yaffs_read_super: block size %d\n"), (int)(sb->s_blocksize)));
+ yaffs_trace(YAFFS_TRACE_OS,
+ "yaffs_read_super: Using yaffs%d", yaffs_version);
+ yaffs_trace(YAFFS_TRACE_OS,
+ "yaffs_read_super: block size %d", (int)(sb->s_blocksize));
- T(YAFFS_TRACE_ALWAYS,
- (TSTR("yaffs: Attempting MTD mount of %u.%u,\"%s\"\n"),
- MAJOR(sb->s_dev), MINOR(sb->s_dev), yaffs_devname(sb, devname_buf)));
+ yaffs_trace(YAFFS_TRACE_ALWAYS,
+ "yaffs: Attempting MTD mount of %u.%u,\"%s\"",
+ MAJOR(sb->s_dev), MINOR(sb->s_dev),
+ yaffs_devname(sb, devname_buf));
/* Check it's an mtd device..... */
if (MAJOR(sb->s_dev) != MTD_BLOCK_MAJOR)
/* Get the device */
mtd = get_mtd_device(NULL, MINOR(sb->s_dev));
if (!mtd) {
- T(YAFFS_TRACE_ALWAYS,
- (TSTR("yaffs: MTD device #%u doesn't appear to exist\n"),
- MINOR(sb->s_dev)));
+ yaffs_trace(YAFFS_TRACE_ALWAYS,
+ "yaffs: MTD device #%u doesn't appear to exist",
+ MINOR(sb->s_dev));
return NULL;
}
/* Check it's NAND */
if (mtd->type != MTD_NANDFLASH) {
- T(YAFFS_TRACE_ALWAYS,
- (TSTR("yaffs: MTD device is not NAND it's type %d\n"),
- mtd->type));
+ yaffs_trace(YAFFS_TRACE_ALWAYS,
+ "yaffs: MTD device is not NAND it's type %d",
+ mtd->type);
return NULL;
}
- T(YAFFS_TRACE_OS, (TSTR(" erase %p\n"), mtd->erase));
- T(YAFFS_TRACE_OS, (TSTR(" read %p\n"), mtd->read));
- T(YAFFS_TRACE_OS, (TSTR(" write %p\n"), mtd->write));
- T(YAFFS_TRACE_OS, (TSTR(" readoob %p\n"), mtd->read_oob));
- T(YAFFS_TRACE_OS, (TSTR(" writeoob %p\n"), mtd->write_oob));
- T(YAFFS_TRACE_OS, (TSTR(" block_isbad %p\n"), mtd->block_isbad));
- T(YAFFS_TRACE_OS, (TSTR(" block_markbad %p\n"), mtd->block_markbad));
- T(YAFFS_TRACE_OS, (TSTR(" %s %d\n"), WRITE_SIZE_STR, WRITE_SIZE(mtd)));
- T(YAFFS_TRACE_OS, (TSTR(" oobsize %d\n"), mtd->oobsize));
- T(YAFFS_TRACE_OS, (TSTR(" erasesize %d\n"), mtd->erasesize));
+ yaffs_trace(YAFFS_TRACE_OS, " erase %p", mtd->erase);
+ yaffs_trace(YAFFS_TRACE_OS, " read %p", mtd->read);
+ yaffs_trace(YAFFS_TRACE_OS, " write %p", mtd->write);
+ yaffs_trace(YAFFS_TRACE_OS, " readoob %p", mtd->read_oob);
+ yaffs_trace(YAFFS_TRACE_OS, " writeoob %p", mtd->write_oob);
+ yaffs_trace(YAFFS_TRACE_OS, " block_isbad %p", mtd->block_isbad);
+ yaffs_trace(YAFFS_TRACE_OS, " block_markbad %p", mtd->block_markbad);
+ yaffs_trace(YAFFS_TRACE_OS, " %s %d", WRITE_SIZE_STR, WRITE_SIZE(mtd));
+ yaffs_trace(YAFFS_TRACE_OS, " oobsize %d", mtd->oobsize);
+ yaffs_trace(YAFFS_TRACE_OS, " erasesize %d", mtd->erasesize);
#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 29)
- T(YAFFS_TRACE_OS, (TSTR(" size %u\n"), mtd->size));
+ yaffs_trace(YAFFS_TRACE_OS, " size %u", mtd->size);
#else
- T(YAFFS_TRACE_OS, (TSTR(" size %lld\n"), mtd->size));
+ yaffs_trace(YAFFS_TRACE_OS, " size %lld", mtd->size);
#endif
#ifdef CONFIG_YAFFS_AUTO_YAFFS2
if (yaffs_version == 1 && WRITE_SIZE(mtd) >= 2048) {
- T(YAFFS_TRACE_ALWAYS, (TSTR("yaffs: auto selecting yaffs2\n")));
+ yaffs_trace(YAFFS_TRACE_ALWAYS, "auto selecting yaffs2");
yaffs_version = 2;
}
/* Added NCB 26/5/2006 for completeness */
if (yaffs_version == 2 && !options.inband_tags
&& WRITE_SIZE(mtd) == 512) {
- T(YAFFS_TRACE_ALWAYS, (TSTR("yaffs: auto selecting yaffs1\n")));
+ yaffs_trace(YAFFS_TRACE_ALWAYS, "auto selecting yaffs1");
yaffs_version = 1;
}
#endif
!mtd->write_ecc ||
!mtd->read_ecc || !mtd->read_oob || !mtd->write_oob) {
#endif
- T(YAFFS_TRACE_ALWAYS,
- (TSTR("yaffs: MTD device does not support required "
- "functions\n")));
+ yaffs_trace(YAFFS_TRACE_ALWAYS,
+ "MTD device does not support required functions"
+ );
return NULL;
}
if ((WRITE_SIZE(mtd) < YAFFS_MIN_YAFFS2_CHUNK_SIZE ||
mtd->oobsize < YAFFS_MIN_YAFFS2_SPARE_SIZE) &&
!options.inband_tags) {
- T(YAFFS_TRACE_ALWAYS,
- (TSTR("yaffs: MTD device does not have the "
- "right page sizes\n")));
+ yaffs_trace(YAFFS_TRACE_ALWAYS,
+ "MTD device does not have the right page sizes"
+ );
return NULL;
}
} else {
!mtd->write_ecc ||
!mtd->read_ecc || !mtd->read_oob || !mtd->write_oob) {
#endif
- T(YAFFS_TRACE_ALWAYS,
- (TSTR("yaffs: MTD device does not support required "
- "functions\n")));
+ yaffs_trace(YAFFS_TRACE_ALWAYS,
+ "MTD device does not support required functions"
+ );
return NULL;
}
if (WRITE_SIZE(mtd) < YAFFS_BYTES_PER_CHUNK ||
mtd->oobsize != YAFFS_BYTES_PER_SPARE) {
- T(YAFFS_TRACE_ALWAYS,
- (TSTR("yaffs: MTD device does not support have the "
- "right page sizes\n")));
+ yaffs_trace(YAFFS_TRACE_ALWAYS,
+ "MTD device does not support have the right page sizes"
+ );
return NULL;
}
}
if (!read_only && !(mtd->flags & MTD_WRITEABLE)) {
read_only = 1;
printk(KERN_INFO
- "yaffs: mtd is read only, setting superblock read only");
+ "yaffs: mtd is read only, setting superblock read only\n"
+ );
sb->s_flags |= MS_RDONLY;
}
if (!dev) {
/* Deep shit could not allocate device structure */
- T(YAFFS_TRACE_ALWAYS,
- (TSTR("yaffs_read_super: Failed trying to allocate "
- "struct yaffs_dev. \n")));
+ yaffs_trace(YAFFS_TRACE_ALWAYS,
+ "yaffs_read_super: Failed trying to allocate struct yaffs_dev."
+ );
return NULL;
}
memset(dev, 0, sizeof(struct yaffs_dev));
param->read_chunk_tags_fn = nandmtd2_read_chunk_tags;
param->bad_block_fn = nandmtd2_mark_block_bad;
param->query_block_fn = nandmtd2_query_block;
- yaffs_dev_to_lc(dev)->spare_buffer = YMALLOC(mtd->oobsize);
+ yaffs_dev_to_lc(dev)->spare_buffer =
+ kmalloc(mtd->oobsize, GFP_NOFS);
param->is_yaffs2 = 1;
#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17))
param->total_bytes_per_chunk = mtd->writesize;
err = yaffs_guts_initialise(dev);
- T(YAFFS_TRACE_OS,
- (TSTR("yaffs_read_super: guts initialised %s\n"),
- (err == YAFFS_OK) ? "OK" : "FAILED"));
+ yaffs_trace(YAFFS_TRACE_OS,
+ "yaffs_read_super: guts initialised %s",
+ (err == YAFFS_OK) ? "OK" : "FAILED");
if (err == YAFFS_OK)
yaffs_bg_start(dev);
inode->i_op = &yaffs_dir_inode_operations;
inode->i_fop = &yaffs_dir_operations;
- T(YAFFS_TRACE_OS, (TSTR("yaffs_read_super: got root inode\n")));
+ yaffs_trace(YAFFS_TRACE_OS, "yaffs_read_super: got root inode");
root = d_alloc_root(inode);
- T(YAFFS_TRACE_OS, (TSTR("yaffs_read_super: d_alloc_root done\n")));
+ yaffs_trace(YAFFS_TRACE_OS, "yaffs_read_super: d_alloc_root done");
if (!root) {
iput(inode);
}
sb->s_root = root;
sb->s_dirt = !dev->is_checkpointed;
- T(YAFFS_TRACE_ALWAYS,
- (TSTR("yaffs_read_super: is_checkpointed %d\n"),
- dev->is_checkpointed));
+ yaffs_trace(YAFFS_TRACE_ALWAYS,
+ "yaffs_read_super: is_checkpointed %d",
+ dev->is_checkpointed);
- T(YAFFS_TRACE_OS, (TSTR("yaffs_read_super: done\n")));
+ yaffs_trace(YAFFS_TRACE_OS, "yaffs_read_super: done");
return sb;
}
static char *yaffs_dump_dev_part0(char *buf, struct yaffs_dev *dev)
{
- buf +=
- sprintf(buf, "start_block.......... %d\n", dev->param.start_block);
- buf += sprintf(buf, "end_block............ %d\n", dev->param.end_block);
- buf +=
- sprintf(buf, "total_bytes_per_chunk %d\n",
- dev->param.total_bytes_per_chunk);
- buf +=
- sprintf(buf, "use_nand_ecc......... %d\n", dev->param.use_nand_ecc);
- buf +=
- sprintf(buf, "no_tags_ecc.......... %d\n", dev->param.no_tags_ecc);
- buf += sprintf(buf, "is_yaffs2............ %d\n", dev->param.is_yaffs2);
- buf +=
- sprintf(buf, "inband_tags.......... %d\n", dev->param.inband_tags);
- buf +=
- sprintf(buf, "empty_lost_n_found... %d\n",
- dev->param.empty_lost_n_found);
- buf +=
- sprintf(buf, "disable_lazy_load.... %d\n",
- dev->param.disable_lazy_load);
- buf +=
- sprintf(buf, "refresh_period....... %d\n",
- dev->param.refresh_period);
- buf += sprintf(buf, "n_caches............. %d\n", dev->param.n_caches);
- buf +=
- sprintf(buf, "n_reserved_blocks.... %d\n",
- dev->param.n_reserved_blocks);
- buf +=
- sprintf(buf, "always_check_erased.. %d\n",
- dev->param.always_check_erased);
-
+ struct yaffs_param *param = &dev->param;
+
+ buf += sprintf(buf, "start_block.......... %d\n", param->start_block);
+ buf += sprintf(buf, "end_block............ %d\n", param->end_block);
+ buf += sprintf(buf, "total_bytes_per_chunk %d\n",
+ param->total_bytes_per_chunk);
+ buf += sprintf(buf, "use_nand_ecc......... %d\n", param->use_nand_ecc);
+ buf += sprintf(buf, "no_tags_ecc.......... %d\n", param->no_tags_ecc);
+ buf += sprintf(buf, "is_yaffs2............ %d\n", param->is_yaffs2);
+ buf += sprintf(buf, "inband_tags.......... %d\n", param->inband_tags);
+ buf += sprintf(buf, "empty_lost_n_found... %d\n",
+ param->empty_lost_n_found);
+ buf += sprintf(buf, "disable_lazy_load.... %d\n",
+ param->disable_lazy_load);
+ buf += sprintf(buf, "refresh_period....... %d\n",
+ param->refresh_period);
+ buf += sprintf(buf, "n_caches............. %d\n", param->n_caches);
+ buf += sprintf(buf, "n_reserved_blocks.... %d\n",
+ param->n_reserved_blocks);
+ buf += sprintf(buf, "always_check_erased.. %d\n",
+ param->always_check_erased);
buf += sprintf(buf, "\n");
return buf;
static char *yaffs_dump_dev_part1(char *buf, struct yaffs_dev *dev)
{
- buf +=
- sprintf(buf, "data_bytes_per_chunk. %d\n",
- dev->data_bytes_per_chunk);
+ buf += sprintf(buf, "data_bytes_per_chunk. %d\n",
+ dev->data_bytes_per_chunk);
buf += sprintf(buf, "chunk_grp_bits....... %d\n", dev->chunk_grp_bits);
buf += sprintf(buf, "chunk_grp_size....... %d\n", dev->chunk_grp_size);
buf += sprintf(buf, "n_erased_blocks...... %d\n", dev->n_erased_blocks);
- buf +=
- sprintf(buf, "blocks_in_checkpt.... %d\n", dev->blocks_in_checkpt);
+ buf += sprintf(buf, "blocks_in_checkpt.... %d\n",
+ dev->blocks_in_checkpt);
buf += sprintf(buf, "\n");
buf += sprintf(buf, "n_tnodes............. %d\n", dev->n_tnodes);
buf += sprintf(buf, "n_obj................ %d\n", dev->n_obj);
buf += sprintf(buf, "n_erasures........... %u\n", dev->n_erasures);
buf += sprintf(buf, "n_gc_copies.......... %u\n", dev->n_gc_copies);
buf += sprintf(buf, "all_gcs.............. %u\n", dev->all_gcs);
- buf +=
- sprintf(buf, "passive_gc_count..... %u\n", dev->passive_gc_count);
- buf +=
- sprintf(buf, "oldest_dirty_gc_count %u\n",
- dev->oldest_dirty_gc_count);
+ buf += sprintf(buf, "passive_gc_count..... %u\n",
+ dev->passive_gc_count);
+ buf += sprintf(buf, "oldest_dirty_gc_count %u\n",
+ dev->oldest_dirty_gc_count);
buf += sprintf(buf, "n_gc_blocks.......... %u\n", dev->n_gc_blocks);
buf += sprintf(buf, "bg_gcs............... %u\n", dev->bg_gcs);
- buf +=
- sprintf(buf, "n_retired_writes..... %u\n", dev->n_retired_writes);
- buf +=
- sprintf(buf, "n_retired_blocks..... %u\n", dev->n_retired_blocks);
+ buf += sprintf(buf, "n_retired_writes..... %u\n",
+ dev->n_retired_writes);
+ buf += sprintf(buf, "n_retired_blocks..... %u\n",
+ dev->n_retired_blocks);
buf += sprintf(buf, "n_ecc_fixed.......... %u\n", dev->n_ecc_fixed);
buf += sprintf(buf, "n_ecc_unfixed........ %u\n", dev->n_ecc_unfixed);
- buf +=
- sprintf(buf, "n_tags_ecc_fixed..... %u\n", dev->n_tags_ecc_fixed);
- buf +=
- sprintf(buf, "n_tags_ecc_unfixed... %u\n", dev->n_tags_ecc_unfixed);
+ buf += sprintf(buf, "n_tags_ecc_fixed..... %u\n",
+ dev->n_tags_ecc_fixed);
+ buf += sprintf(buf, "n_tags_ecc_unfixed... %u\n",
+ dev->n_tags_ecc_unfixed);
buf += sprintf(buf, "cache_hits........... %u\n", dev->cache_hits);
buf += sprintf(buf, "n_deleted_files...... %u\n", dev->n_deleted_files);
- buf +=
- sprintf(buf, "n_unlinked_files..... %u\n", dev->n_unlinked_files);
+ buf += sprintf(buf, "n_unlinked_files..... %u\n",
+ dev->n_unlinked_files);
buf += sprintf(buf, "refresh_count........ %u\n", dev->refresh_count);
buf += sprintf(buf, "n_bg_deletions....... %u\n", dev->n_bg_deletions);
int error = 0;
struct file_system_to_install *fsinst;
- T(YAFFS_TRACE_ALWAYS,
- (TSTR("yaffs built " __DATE__ " " __TIME__ " Installing. \n")));
+ yaffs_trace(YAFFS_TRACE_ALWAYS,
+ "yaffs built " __DATE__ " " __TIME__ " Installing.");
#ifdef CONFIG_YAFFS_ALWAYS_CHECK_CHUNK_ERASED
- T(YAFFS_TRACE_ALWAYS,
- (TSTR
- (" \n\n\n\nYAFFS-WARNING CONFIG_YAFFS_ALWAYS_CHECK_CHUNK_ERASED selected.\n\n\n\n")));
+ yaffs_trace(YAFFS_TRACE_ALWAYS,
+ " \n\n\n\nYAFFS-WARNING CONFIG_YAFFS_ALWAYS_CHECK_CHUNK_ERASED selected.\n\n\n\n"
+ );
#endif
mutex_init(&yaffs_context_lock);
struct file_system_to_install *fsinst;
- T(YAFFS_TRACE_ALWAYS,
- (TSTR("yaffs built " __DATE__ " " __TIME__ " removing. \n")));
+ yaffs_trace(YAFFS_TRACE_ALWAYS,
+ "yaffs built " __DATE__ " " __TIME__ " removing.");
remove_proc_entry("yaffs", YPROC_ROOT);
module_param(yaffs_gc_control, uint, 0644);
module_param(yaffs_bg_enable, uint, 0644);
-#define Y_IGET(sb, inum) yaffs_iget((sb), (inum))
-
-static struct inode *yaffs_iget(struct super_block *sb, unsigned long ino);
#define yaffs_inode_to_obj_lv(iptr) ((iptr)->i_private)
#define yaffs_inode_to_obj(iptr) ((struct yaffs_obj *)(yaffs_inode_to_obj_lv(iptr)))
(dir)->i_ctime = (dir)->i_mtime = CURRENT_TIME; \
} while(0)
-static void yaffs_put_super(struct super_block *sb);
-
-static ssize_t yaffs_file_write(struct file *f, const char *buf, size_t n,
- loff_t * pos);
-static ssize_t yaffs_hold_space(struct file *f);
-static void yaffs_release_space(struct file *f);
-
-static int yaffs_file_flush(struct file *file, fl_owner_t id);
-static int yaffs_sync_object(struct file *file, int datasync);
+static unsigned yaffs_gc_control_callback(struct yaffs_dev *dev)
+{
+ return yaffs_gc_control;
+}
-static int yaffs_readdir(struct file *f, void *dirent, filldir_t filldir);
+static void yaffs_gross_lock(struct yaffs_dev *dev)
+{
+ yaffs_trace(YAFFS_TRACE_LOCK, "yaffs locking %p", current);
+ mutex_lock(&(yaffs_dev_to_lc(dev)->gross_lock));
+ yaffs_trace(YAFFS_TRACE_LOCK, "yaffs locked %p", current);
+}
-static int yaffs_create(struct inode *dir, struct dentry *dentry, int mode,
- struct nameidata *n);
-static struct dentry *yaffs_lookup(struct inode *dir, struct dentry *dentry,
- struct nameidata *n);
-static int yaffs_link(struct dentry *old_dentry, struct inode *dir,
- struct dentry *dentry);
-static int yaffs_unlink(struct inode *dir, struct dentry *dentry);
-static int yaffs_symlink(struct inode *dir, struct dentry *dentry,
- const char *symname);
-static int yaffs_mkdir(struct inode *dir, struct dentry *dentry, int mode);
+static void yaffs_gross_unlock(struct yaffs_dev *dev)
+{
+ yaffs_trace(YAFFS_TRACE_LOCK, "yaffs unlocking %p", current);
+ mutex_unlock(&(yaffs_dev_to_lc(dev)->gross_lock));
+}
-static int yaffs_mknod(struct inode *dir, struct dentry *dentry, int mode,
- dev_t dev);
-static int yaffs_rename(struct inode *old_dir, struct dentry *old_dentry,
- struct inode *new_dir, struct dentry *new_dentry);
-static int yaffs_setattr(struct dentry *dentry, struct iattr *attr);
+static void yaffs_fill_inode_from_obj(struct inode *inode,
+ struct yaffs_obj *obj);
-static int yaffs_sync_fs(struct super_block *sb, int wait);
-static void yaffs_write_super(struct super_block *sb);
+static struct inode *yaffs_iget(struct super_block *sb, unsigned long ino)
+{
+ struct inode *inode;
+ struct yaffs_obj *obj;
+ struct yaffs_dev *dev = yaffs_super_to_dev(sb);
-static int yaffs_statfs(struct dentry *dentry, struct kstatfs *buf);
+ yaffs_trace(YAFFS_TRACE_OS, "yaffs_iget for %lu", ino);
-#ifdef YAFFS_HAS_PUT_INODE
-static void yaffs_put_inode(struct inode *inode);
-#endif
+ inode = iget_locked(sb, ino);
+ if (!inode)
+ return ERR_PTR(-ENOMEM);
+ if (!(inode->i_state & I_NEW))
+ return inode;
-static void yaffs_evict_inode(struct inode *);
+ /* NB This is called as a side effect of other functions, but
+ * we had to release the lock to prevent deadlocks, so
+ * need to lock again.
+ */
-static int yaffs_readpage(struct file *file, struct page *page);
-static int yaffs_writepage(struct page *page, struct writeback_control *wbc);
+ yaffs_gross_lock(dev);
-#ifdef CONFIG_YAFFS_XATTR
-static int yaffs_setxattr(struct dentry *dentry, const char *name,
- const void *value, size_t size, int flags);
-static ssize_t yaffs_getxattr(struct dentry *dentry, const char *name, void *buff,
- size_t size);
-static int yaffs_removexattr(struct dentry *dentry, const char *name);
-static ssize_t yaffs_listxattr(struct dentry *dentry, char *buff, size_t size);
-#endif
+ obj = yaffs_find_by_number(dev, inode->i_ino);
-static int yaffs_write_begin(struct file *filp, struct address_space *mapping,
- loff_t pos, unsigned len, unsigned flags,
- struct page **pagep, void **fsdata);
-static int yaffs_write_end(struct file *filp, struct address_space *mapping,
- loff_t pos, unsigned len, unsigned copied,
- struct page *pg, void *fsdadata);
+ yaffs_fill_inode_from_obj(inode, obj);
-static int yaffs_readlink(struct dentry *dentry, char __user * buffer,
- int buflen);
-void yaffs_put_link(struct dentry *dentry, struct nameidata *nd, void *alias);
-static void *yaffs_follow_link(struct dentry *dentry, struct nameidata *nd);
+ yaffs_gross_unlock(dev);
-static void yaffs_touch_super(struct yaffs_dev *dev);
+ unlock_new_inode(inode);
+ return inode;
+}
-static int yaffs_vfs_setattr(struct inode *, struct iattr *);
+struct inode *yaffs_get_inode(struct super_block *sb, int mode, int dev,
+ struct yaffs_obj *obj)
+{
+ struct inode *inode;
-static struct address_space_operations yaffs_file_address_operations = {
- .readpage = yaffs_readpage,
- .writepage = yaffs_writepage,
- .write_begin = yaffs_write_begin,
- .write_end = yaffs_write_end,
-};
+ if (!sb) {
+ yaffs_trace(YAFFS_TRACE_OS,
+ "yaffs_get_inode for NULL super_block!!");
+ return NULL;
-static const struct file_operations yaffs_file_operations = {
- .read = do_sync_read,
- .write = do_sync_write,
- .aio_read = generic_file_aio_read,
- .aio_write = generic_file_aio_write,
- .mmap = generic_file_mmap,
- .flush = yaffs_file_flush,
- .fsync = yaffs_sync_object,
- .splice_read = generic_file_splice_read,
- .splice_write = generic_file_splice_write,
- .llseek = generic_file_llseek,
-};
+ }
-static const struct inode_operations yaffs_file_inode_operations = {
- .setattr = yaffs_setattr,
-#ifdef CONFIG_YAFFS_XATTR
- .setxattr = yaffs_setxattr,
- .getxattr = yaffs_getxattr,
- .listxattr = yaffs_listxattr,
- .removexattr = yaffs_removexattr,
-#endif
-};
+ if (!obj) {
+ yaffs_trace(YAFFS_TRACE_OS,
+ "yaffs_get_inode for NULL object!!");
+ return NULL;
-static const struct inode_operations yaffs_symlink_inode_operations = {
- .readlink = yaffs_readlink,
- .follow_link = yaffs_follow_link,
- .put_link = yaffs_put_link,
- .setattr = yaffs_setattr,
-#ifdef CONFIG_YAFFS_XATTR
- .setxattr = yaffs_setxattr,
- .getxattr = yaffs_getxattr,
- .listxattr = yaffs_listxattr,
- .removexattr = yaffs_removexattr,
-#endif
-};
+ }
-static const struct inode_operations yaffs_dir_inode_operations = {
- .create = yaffs_create,
- .lookup = yaffs_lookup,
- .link = yaffs_link,
- .unlink = yaffs_unlink,
- .symlink = yaffs_symlink,
- .mkdir = yaffs_mkdir,
- .rmdir = yaffs_unlink,
- .mknod = yaffs_mknod,
- .rename = yaffs_rename,
- .setattr = yaffs_setattr,
-#ifdef CONFIG_YAFFS_XATTR
- .setxattr = yaffs_setxattr,
- .getxattr = yaffs_getxattr,
- .listxattr = yaffs_listxattr,
- .removexattr = yaffs_removexattr,
-#endif
-};
+ yaffs_trace(YAFFS_TRACE_OS,
+ "yaffs_get_inode for object %d",
+ obj->obj_id);
-static const struct file_operations yaffs_dir_operations = {
- .read = generic_read_dir,
- .readdir = yaffs_readdir,
- .fsync = yaffs_sync_object,
- .llseek = generic_file_llseek,
-};
+ inode = yaffs_iget(sb, obj->obj_id);
+ if (IS_ERR(inode))
+ return NULL;
-static const struct super_operations yaffs_super_ops = {
- .statfs = yaffs_statfs,
-#ifdef YAFFS_HAS_PUT_INODE
- .put_inode = yaffs_put_inode,
-#endif
- .put_super = yaffs_put_super,
- .evict_inode = yaffs_evict_inode,
- .sync_fs = yaffs_sync_fs,
- .write_super = yaffs_write_super,
-};
+ /* NB Side effect: iget calls back to yaffs_read_inode(). */
+ /* iget also increments the inode's i_count */
+ /* NB You can't be holding gross_lock or deadlock will happen! */
-static int yaffs_vfs_setattr(struct inode *inode, struct iattr *attr)
-{
- setattr_copy(inode, attr);
- return 0;
+ return inode;
}
-static int yaffs_vfs_setsize(struct inode *inode, loff_t newsize)
+static int yaffs_mknod(struct inode *dir, struct dentry *dentry, int mode,
+ dev_t rdev)
{
- truncate_setsize(inode, newsize);
- return 0;
-}
+ struct inode *inode;
-static unsigned yaffs_gc_control_callback(struct yaffs_dev *dev)
-{
- return yaffs_gc_control;
-}
+ struct yaffs_obj *obj = NULL;
+ struct yaffs_dev *dev;
-static void yaffs_gross_lock(struct yaffs_dev *dev)
-{
- T(YAFFS_TRACE_LOCK, (TSTR("yaffs locking %p\n"), current));
- mutex_lock(&(yaffs_dev_to_lc(dev)->gross_lock));
- T(YAFFS_TRACE_LOCK, (TSTR("yaffs locked %p\n"), current));
-}
+ struct yaffs_obj *parent = yaffs_inode_to_obj(dir);
-static void yaffs_gross_unlock(struct yaffs_dev *dev)
-{
- T(YAFFS_TRACE_LOCK, (TSTR("yaffs unlocking %p\n"), current));
- mutex_unlock(&(yaffs_dev_to_lc(dev)->gross_lock));
-}
+ int error = -ENOSPC;
+ uid_t uid = current->cred->fsuid;
+ gid_t gid =
+ (dir->i_mode & S_ISGID) ? dir->i_gid : current->cred->fsgid;
-/* ExportFS support */
-static struct inode *yaffs2_nfs_get_inode(struct super_block *sb, uint64_t ino,
- uint32_t generation)
-{
- return Y_IGET(sb, ino);
+ if ((dir->i_mode & S_ISGID) && S_ISDIR(mode))
+ mode |= S_ISGID;
+
+ if (parent) {
+ yaffs_trace(YAFFS_TRACE_OS,
+ "yaffs_mknod: parent object %d type %d",
+ parent->obj_id, parent->variant_type);
+ } else {
+ yaffs_trace(YAFFS_TRACE_OS,
+ "yaffs_mknod: could not get parent object");
+ return -EPERM;
+ }
+
+ yaffs_trace(YAFFS_TRACE_OS,
+ "yaffs_mknod: making oject for %s, mode %x dev %x",
+ dentry->d_name.name, mode, rdev);
+
+ dev = parent->my_dev;
+
+ yaffs_gross_lock(dev);
+
+ switch (mode & S_IFMT) {
+ default:
+ /* Special (socket, fifo, device...) */
+ yaffs_trace(YAFFS_TRACE_OS, "yaffs_mknod: making special");
+ obj =
+ yaffs_create_special(parent, dentry->d_name.name, mode, uid,
+ gid, old_encode_dev(rdev));
+ break;
+ case S_IFREG: /* file */
+ yaffs_trace(YAFFS_TRACE_OS, "yaffs_mknod: making file");
+ obj = yaffs_create_file(parent, dentry->d_name.name, mode, uid,
+ gid);
+ break;
+ case S_IFDIR: /* directory */
+ yaffs_trace(YAFFS_TRACE_OS, "yaffs_mknod: making directory");
+ obj = yaffs_create_dir(parent, dentry->d_name.name, mode,
+ uid, gid);
+ break;
+ case S_IFLNK: /* symlink */
+ yaffs_trace(YAFFS_TRACE_OS, "yaffs_mknod: making symlink");
+ obj = NULL; /* Do we ever get here? */
+ break;
+ }
+
+ /* Can not call yaffs_get_inode() with gross lock held */
+ yaffs_gross_unlock(dev);
+
+ if (obj) {
+ inode = yaffs_get_inode(dir->i_sb, mode, rdev, obj);
+ d_instantiate(dentry, inode);
+ update_dir_time(dir);
+ yaffs_trace(YAFFS_TRACE_OS,
+ "yaffs_mknod created object %d count = %d",
+ obj->obj_id, atomic_read(&inode->i_count));
+ error = 0;
+ yaffs_fill_inode_from_obj(dir, parent);
+ } else {
+ yaffs_trace(YAFFS_TRACE_OS, "yaffs_mknod failed making object");
+ error = -ENOMEM;
+ }
+
+ return error;
}
-static struct dentry *yaffs2_fh_to_dentry(struct super_block *sb,
- struct fid *fid, int fh_len,
- int fh_type)
+static int yaffs_mkdir(struct inode *dir, struct dentry *dentry, int mode)
{
- return generic_fh_to_dentry(sb, fid, fh_len, fh_type,
- yaffs2_nfs_get_inode);
+ return yaffs_mknod(dir, dentry, mode | S_IFDIR, 0);
}
-static struct dentry *yaffs2_fh_to_parent(struct super_block *sb,
- struct fid *fid, int fh_len,
- int fh_type)
+static int yaffs_create(struct inode *dir, struct dentry *dentry, int mode,
+ struct nameidata *n)
{
- return generic_fh_to_parent(sb, fid, fh_len, fh_type,
- yaffs2_nfs_get_inode);
+ return yaffs_mknod(dir, dentry, mode | S_IFREG, 0);
}
-struct dentry *yaffs2_get_parent(struct dentry *dentry)
+static int yaffs_link(struct dentry *old_dentry, struct inode *dir,
+ struct dentry *dentry)
{
+ struct inode *inode = old_dentry->d_inode;
+ struct yaffs_obj *obj = NULL;
+ struct yaffs_obj *link = NULL;
+ struct yaffs_dev *dev;
- struct super_block *sb = dentry->d_inode->i_sb;
- struct dentry *parent = ERR_PTR(-ENOENT);
- struct inode *inode;
- unsigned long parent_ino;
- struct yaffs_obj *d_obj;
- struct yaffs_obj *parent_obj;
+ yaffs_trace(YAFFS_TRACE_OS, "yaffs_link");
- d_obj = yaffs_inode_to_obj(dentry->d_inode);
+ obj = yaffs_inode_to_obj(inode);
+ dev = obj->my_dev;
- if (d_obj) {
- parent_obj = d_obj->parent;
- if (parent_obj) {
- parent_ino = yaffs_get_obj_inode(parent_obj);
- inode = Y_IGET(sb, parent_ino);
+ yaffs_gross_lock(dev);
- if (IS_ERR(inode)) {
- parent = ERR_CAST(inode);
- } else {
- parent = d_obtain_alias(inode);
- if (!IS_ERR(parent)) {
- parent = ERR_PTR(-ENOMEM);
- iput(inode);
- }
- }
- }
- }
-
- return parent;
-}
-
-/* Just declare a zero structure as a NULL value implies
- * using the default functions of exportfs.
- */
-
-static struct export_operations yaffs_export_ops = {
- .fh_to_dentry = yaffs2_fh_to_dentry,
- .fh_to_parent = yaffs2_fh_to_parent,
- .get_parent = yaffs2_get_parent,
-};
-
-/*-----------------------------------------------------------------*/
-/* Directory search context allows us to unlock access to yaffs during
- * filldir without causing problems with the directory being modified.
- * This is similar to the tried and tested mechanism used in yaffs direct.
- *
- * A search context iterates along a doubly linked list of siblings in the
- * directory. If the iterating object is deleted then this would corrupt
- * the list iteration, likely causing a crash. The search context avoids
- * this by using the remove_obj_fn to move the search context to the
- * next object before the object is deleted.
- *
- * Many readdirs (and thus seach conexts) may be alive simulateously so
- * each struct yaffs_dev has a list of these.
- *
- * A seach context lives for the duration of a readdir.
- *
- * All these functions must be called while yaffs is locked.
- */
-
-struct yaffs_search_context {
- struct yaffs_dev *dev;
- struct yaffs_obj *dir_obj;
- struct yaffs_obj *next_return;
- struct list_head others;
-};
-
-/*
- * yaffs_new_search() creates a new search context, initialises it and
- * adds it to the device's search context list.
- *
- * Called at start of readdir.
- */
-static struct yaffs_search_context *yaffs_new_search(struct yaffs_obj *dir)
-{
- struct yaffs_dev *dev = dir->my_dev;
- struct yaffs_search_context *sc =
- YMALLOC(sizeof(struct yaffs_search_context));
- if (sc) {
- sc->dir_obj = dir;
- sc->dev = dev;
- if (list_empty(&sc->dir_obj->variant.dir_variant.children))
- sc->next_return = NULL;
- else
- sc->next_return =
- list_entry(dir->variant.dir_variant.children.next,
- struct yaffs_obj, siblings);
- INIT_LIST_HEAD(&sc->others);
- list_add(&sc->others, &(yaffs_dev_to_lc(dev)->search_contexts));
- }
- return sc;
-}
-
-/*
- * yaffs_search_end() disposes of a search context and cleans up.
- */
-static void yaffs_search_end(struct yaffs_search_context *sc)
-{
- if (sc) {
- list_del(&sc->others);
- YFREE(sc);
- }
-}
-
-/*
- * yaffs_search_advance() moves a search context to the next object.
- * Called when the search iterates or when an object removal causes
- * the search context to be moved to the next object.
- */
-static void yaffs_search_advance(struct yaffs_search_context *sc)
-{
- if (!sc)
- return;
-
- if (sc->next_return == NULL ||
- list_empty(&sc->dir_obj->variant.dir_variant.children))
- sc->next_return = NULL;
- else {
- struct list_head *next = sc->next_return->siblings.next;
+ if (!S_ISDIR(inode->i_mode)) /* Don't link directories */
+ link =
+ yaffs_link_obj(yaffs_inode_to_obj(dir), dentry->d_name.name,
+ obj);
- if (next == &sc->dir_obj->variant.dir_variant.children)
- sc->next_return = NULL; /* end of list */
- else
- sc->next_return =
- list_entry(next, struct yaffs_obj, siblings);
+ if (link) {
+ old_dentry->d_inode->i_nlink = yaffs_get_obj_link_count(obj);
+ d_instantiate(dentry, old_dentry->d_inode);
+ atomic_inc(&old_dentry->d_inode->i_count);
+ yaffs_trace(YAFFS_TRACE_OS,
+ "yaffs_link link count %d i_count %d",
+ old_dentry->d_inode->i_nlink,
+ atomic_read(&old_dentry->d_inode->i_count));
}
-}
-
-/*
- * yaffs_remove_obj_callback() is called when an object is unlinked.
- * We check open search contexts and advance any which are currently
- * on the object being iterated.
- */
-static void yaffs_remove_obj_callback(struct yaffs_obj *obj)
-{
- struct list_head *i;
- struct yaffs_search_context *sc;
- struct list_head *search_contexts =
- &(yaffs_dev_to_lc(obj->my_dev)->search_contexts);
+ yaffs_gross_unlock(dev);
- /* Iterate through the directory search contexts.
- * If any are currently on the object being removed, then advance
- * the search context to the next object to prevent a hanging pointer.
- */
- list_for_each(i, search_contexts) {
- if (i) {
- sc = list_entry(i, struct yaffs_search_context, others);
- if (sc->next_return == obj)
- yaffs_search_advance(sc);
- }
+ if (link) {
+ update_dir_time(dir);
+ return 0;
}
+ return -EPERM;
}
-/*-----------------------------------------------------------------*/
-
-static int yaffs_readlink(struct dentry *dentry, char __user * buffer,
- int buflen)
+static int yaffs_symlink(struct inode *dir, struct dentry *dentry,
+ const char *symname)
{
- unsigned char *alias;
- int ret;
+ struct yaffs_obj *obj;
+ struct yaffs_dev *dev;
+ uid_t uid = current->cred->fsuid;
+ gid_t gid =
+ (dir->i_mode & S_ISGID) ? dir->i_gid : current->cred->fsgid;
- struct yaffs_dev *dev = yaffs_dentry_to_obj(dentry)->my_dev;
+ yaffs_trace(YAFFS_TRACE_OS, "yaffs_symlink");
+ dev = yaffs_inode_to_obj(dir)->my_dev;
yaffs_gross_lock(dev);
-
- alias = yaffs_get_symlink_alias(yaffs_dentry_to_obj(dentry));
-
+ obj = yaffs_create_symlink(yaffs_inode_to_obj(dir), dentry->d_name.name,
+ S_IFLNK | S_IRWXUGO, uid, gid, symname);
yaffs_gross_unlock(dev);
- if (!alias)
- return -ENOMEM;
-
- ret = vfs_readlink(dentry, buffer, buflen, alias);
- kfree(alias);
- return ret;
-}
-
-static void *yaffs_follow_link(struct dentry *dentry, struct nameidata *nd)
-{
- unsigned char *alias;
- void *ret;
- struct yaffs_dev *dev = yaffs_dentry_to_obj(dentry)->my_dev;
-
- yaffs_gross_lock(dev);
-
- alias = yaffs_get_symlink_alias(yaffs_dentry_to_obj(dentry));
- yaffs_gross_unlock(dev);
+ if (obj) {
+ struct inode *inode;
- if (!alias) {
- ret = ERR_PTR(-ENOMEM);
- goto out;
+ inode = yaffs_get_inode(dir->i_sb, obj->yst_mode, 0, obj);
+ d_instantiate(dentry, inode);
+ update_dir_time(dir);
+ yaffs_trace(YAFFS_TRACE_OS, "symlink created OK");
+ return 0;
+ } else {
+ yaffs_trace(YAFFS_TRACE_OS, "symlink not created");
}
- nd_set_link(nd, alias);
- ret = (void *)alias;
-out:
- return ret;
-}
-
-void yaffs_put_link(struct dentry *dentry, struct nameidata *nd, void *alias)
-{
- kfree(alias);
+ return -ENOMEM;
}
-struct inode *yaffs_get_inode(struct super_block *sb, int mode, int dev,
- struct yaffs_obj *obj);
-
-/*
- * Lookup is used to find objects in the fs
- */
-
static struct dentry *yaffs_lookup(struct inode *dir, struct dentry *dentry,
struct nameidata *n)
{
struct yaffs_obj *obj;
- struct inode *inode = NULL; /* NCB 2.5/2.6 needs NULL here */
+ struct inode *inode = NULL;
struct yaffs_dev *dev = yaffs_inode_to_obj(dir)->my_dev;
if (current != yaffs_dev_to_lc(dev)->readdir_process)
yaffs_gross_lock(dev);
- T(YAFFS_TRACE_OS,
- (TSTR("yaffs_lookup for %d:%s\n"),
- yaffs_inode_to_obj(dir)->obj_id, dentry->d_name.name));
+ yaffs_trace(YAFFS_TRACE_OS,
+ "yaffs_lookup for %d:%s",
+ yaffs_inode_to_obj(dir)->obj_id, dentry->d_name.name);
obj = yaffs_find_by_name(yaffs_inode_to_obj(dir), dentry->d_name.name);
yaffs_gross_unlock(dev);
if (obj) {
- T(YAFFS_TRACE_OS,
- (TSTR("yaffs_lookup found %d\n"), obj->obj_id));
+ yaffs_trace(YAFFS_TRACE_OS,
+ "yaffs_lookup found %d", obj->obj_id);
inode = yaffs_get_inode(dir->i_sb, obj->yst_mode, 0, obj);
if (inode) {
- T(YAFFS_TRACE_OS, (TSTR("yaffs_loookup dentry \n")));
+ yaffs_trace(YAFFS_TRACE_OS, "yaffs_loookup dentry");
d_add(dentry, inode);
/* return dentry; */
return NULL;
}
} else {
- T(YAFFS_TRACE_OS, (TSTR("yaffs_lookup not found\n")));
+ yaffs_trace(YAFFS_TRACE_OS, "yaffs_lookup not found");
}
return NULL;
}
-#ifdef YAFFS_HAS_PUT_INODE
-
-/* For now put inode is just for debugging
- * Put inode is called when the inode **structure** is put.
- */
-static void yaffs_put_inode(struct inode *inode)
+static int yaffs_unlink(struct inode *dir, struct dentry *dentry)
{
- T(YAFFS_TRACE_OS,
- (TSTR("yaffs_put_inode: ino %d, count %d\n"), (int)inode->i_ino,
- atomic_read(&inode->i_count)));
+ int ret_val;
-}
-#endif
+ struct yaffs_dev *dev;
+ struct yaffs_obj *obj;
-static void yaffs_unstitch_obj(struct inode *inode, struct yaffs_obj *obj)
-{
- /* Clear the association between the inode and
- * the struct yaffs_obj.
- */
- obj->my_inode = NULL;
- yaffs_inode_to_obj_lv(inode) = NULL;
+ yaffs_trace(YAFFS_TRACE_OS,
+ "yaffs_unlink %d:%s",
+ (int)(dir->i_ino), dentry->d_name.name);
+ obj = yaffs_inode_to_obj(dir);
+ dev = obj->my_dev;
- /* If the object freeing was deferred, then the real
- * free happens now.
- * This should fix the inode inconsistency problem.
- */
- yaffs_handle_defered_free(obj);
+ yaffs_gross_lock(dev);
+
+ ret_val = yaffs_unlinker(obj, dentry->d_name.name);
+
+ if (ret_val == YAFFS_OK) {
+ dentry->d_inode->i_nlink--;
+ dir->i_version++;
+ yaffs_gross_unlock(dev);
+ mark_inode_dirty(dentry->d_inode);
+ update_dir_time(dir);
+ return 0;
+ }
+ yaffs_gross_unlock(dev);
+ return -ENOTEMPTY;
}
-/* yaffs_evict_inode combines into one operation what was previously done in
- * yaffs_clear_inode() and yaffs_delete_inode()
- *
- */
-static void yaffs_evict_inode(struct inode *inode)
+static int yaffs_sync_object(struct file *file, int datasync)
{
+
struct yaffs_obj *obj;
struct yaffs_dev *dev;
- int deleteme = 0;
-
- obj = yaffs_inode_to_obj(inode);
+ struct dentry *dentry = file->f_path.dentry;
- T(YAFFS_TRACE_OS,
- (TSTR("yaffs_evict_inode: ino %d, count %d %s\n"), (int)inode->i_ino,
- atomic_read(&inode->i_count),
- obj ? "object exists" : "null object"));
+ obj = yaffs_dentry_to_obj(dentry);
- if (!inode->i_nlink && !is_bad_inode(inode))
- deleteme = 1;
- truncate_inode_pages(&inode->i_data, 0);
- end_writeback(inode);
-
- if (deleteme && obj) {
- dev = obj->my_dev;
- yaffs_gross_lock(dev);
- yaffs_del_obj(obj);
- yaffs_gross_unlock(dev);
- }
- if (obj) {
- dev = obj->my_dev;
- yaffs_gross_lock(dev);
- yaffs_unstitch_obj(inode, obj);
- yaffs_gross_unlock(dev);
- }
-
-}
-
-static int yaffs_file_flush(struct file *file, fl_owner_t id)
-{
- struct yaffs_obj *obj = yaffs_dentry_to_obj(file->f_dentry);
-
- struct yaffs_dev *dev = obj->my_dev;
-
- T(YAFFS_TRACE_OS,
- (TSTR("yaffs_file_flush object %d (%s)\n"), obj->obj_id,
- obj->dirty ? "dirty" : "clean"));
+ dev = obj->my_dev;
+ yaffs_trace(YAFFS_TRACE_OS | YAFFS_TRACE_SYNC, "yaffs_sync_object");
yaffs_gross_lock(dev);
-
- yaffs_flush_file(obj, 1, 0);
-
+ yaffs_flush_file(obj, 1, datasync);
yaffs_gross_unlock(dev);
-
return 0;
}
-
-static int yaffs_readpage_nolock(struct file *f, struct page *pg)
+/*
+ * The VFS layer already does all the dentry stuff for rename.
+ *
+ * NB: POSIX says you can rename an object over an old object of the same name
+ */
+static int yaffs_rename(struct inode *old_dir, struct dentry *old_dentry,
+ struct inode *new_dir, struct dentry *new_dentry)
{
- /* Lifted from jffs2 */
-
- struct yaffs_obj *obj;
- unsigned char *pg_buf;
- int ret;
-
struct yaffs_dev *dev;
+ int ret_val = YAFFS_FAIL;
+ struct yaffs_obj *target;
- T(YAFFS_TRACE_OS,
- (TSTR("yaffs_readpage_nolock at %08x, size %08x\n"),
- (unsigned)(pg->index << PAGE_CACHE_SHIFT),
- (unsigned)PAGE_CACHE_SIZE));
-
- obj = yaffs_dentry_to_obj(f->f_dentry);
+ yaffs_trace(YAFFS_TRACE_OS, "yaffs_rename");
+ dev = yaffs_inode_to_obj(old_dir)->my_dev;
- dev = obj->my_dev;
+ yaffs_gross_lock(dev);
- BUG_ON(!PageLocked(pg));
+ /* Check if the target is an existing directory that is not empty. */
+ target = yaffs_find_by_name(yaffs_inode_to_obj(new_dir),
+ new_dentry->d_name.name);
- pg_buf = kmap(pg);
- /* FIXME: Can kmap fail? */
+ if (target && target->variant_type == YAFFS_OBJECT_TYPE_DIRECTORY &&
+ !list_empty(&target->variant.dir_variant.children)) {
- yaffs_gross_lock(dev);
+ yaffs_trace(YAFFS_TRACE_OS, "target is non-empty dir");
- ret = yaffs_file_rd(obj, pg_buf,
- pg->index << PAGE_CACHE_SHIFT, PAGE_CACHE_SIZE);
+ ret_val = YAFFS_FAIL;
+ } else {
+ /* Now does unlinking internally using shadowing mechanism */
+ yaffs_trace(YAFFS_TRACE_OS, "calling yaffs_rename_obj");
+ ret_val = yaffs_rename_obj(yaffs_inode_to_obj(old_dir),
+ old_dentry->d_name.name,
+ yaffs_inode_to_obj(new_dir),
+ new_dentry->d_name.name);
+ }
yaffs_gross_unlock(dev);
- if (ret >= 0)
- ret = 0;
+ if (ret_val == YAFFS_OK) {
+ if (target) {
+ new_dentry->d_inode->i_nlink--;
+ mark_inode_dirty(new_dentry->d_inode);
+ }
- if (ret) {
- ClearPageUptodate(pg);
- SetPageError(pg);
+ update_dir_time(old_dir);
+ if (old_dir != new_dir)
+ update_dir_time(new_dir);
+ return 0;
} else {
- SetPageUptodate(pg);
- ClearPageError(pg);
+ return -ENOTEMPTY;
}
-
- flush_dcache_page(pg);
- kunmap(pg);
-
- T(YAFFS_TRACE_OS, (TSTR("yaffs_readpage_nolock done\n")));
- return ret;
-}
-
-static int yaffs_readpage_unlock(struct file *f, struct page *pg)
-{
- int ret = yaffs_readpage_nolock(f, pg);
- UnlockPage(pg);
- return ret;
}
-static int yaffs_readpage(struct file *f, struct page *pg)
-{
- int ret;
-
- T(YAFFS_TRACE_OS, (TSTR("yaffs_readpage\n")));
- ret = yaffs_readpage_unlock(f, pg);
- T(YAFFS_TRACE_OS, (TSTR("yaffs_readpage done\n")));
- return ret;
-}
-
-/* writepage inspired by/stolen from smbfs */
-
-static int yaffs_writepage(struct page *page, struct writeback_control *wbc)
+static int yaffs_setattr(struct dentry *dentry, struct iattr *attr)
{
+ struct inode *inode = dentry->d_inode;
+ int error = 0;
struct yaffs_dev *dev;
- struct address_space *mapping = page->mapping;
- struct inode *inode;
- unsigned long end_index;
- char *buffer;
- struct yaffs_obj *obj;
- int n_written = 0;
- unsigned n_bytes;
- loff_t i_size;
- if (!mapping)
- BUG();
- inode = mapping->host;
- if (!inode)
- BUG();
- i_size = i_size_read(inode);
-
- end_index = i_size >> PAGE_CACHE_SHIFT;
+ yaffs_trace(YAFFS_TRACE_OS,
+ "yaffs_setattr of object %d",
+ yaffs_inode_to_obj(inode)->obj_id);
- if (page->index < end_index)
- n_bytes = PAGE_CACHE_SIZE;
- else {
- n_bytes = i_size & (PAGE_CACHE_SIZE - 1);
-
- if (page->index > end_index || !n_bytes) {
- T(YAFFS_TRACE_OS,
- (TSTR
- ("yaffs_writepage at %08x, inode size = %08x!!!\n"),
- (unsigned)(page->index << PAGE_CACHE_SHIFT),
- (unsigned)inode->i_size));
- T(YAFFS_TRACE_OS,
- (TSTR(" -> don't care!!\n")));
+ /* Fail if a requested resize >= 2GB */
+ if (attr->ia_valid & ATTR_SIZE && (attr->ia_size >> 31))
+ error = -EINVAL;
- zero_user_segment(page, 0, PAGE_CACHE_SIZE);
- set_page_writeback(page);
- unlock_page(page);
- end_page_writeback(page);
- return 0;
+ if (error == 0)
+ error = inode_change_ok(inode, attr);
+ if (error == 0) {
+ int result;
+ if (!error) {
+ setattr_copy(inode, attr);
+ yaffs_trace(YAFFS_TRACE_OS, "inode_setattr called");
+ if (attr->ia_valid & ATTR_SIZE) {
+ truncate_setsize(inode, attr->ia_size);
+ inode->i_blocks = (inode->i_size + 511) >> 9;
+ }
}
- }
-
- if (n_bytes != PAGE_CACHE_SIZE)
- zero_user_segment(page, n_bytes, PAGE_CACHE_SIZE);
-
- get_page(page);
-
- buffer = kmap(page);
-
- obj = yaffs_inode_to_obj(inode);
- dev = obj->my_dev;
- yaffs_gross_lock(dev);
-
- T(YAFFS_TRACE_OS,
- (TSTR("yaffs_writepage at %08x, size %08x\n"),
- (unsigned)(page->index << PAGE_CACHE_SHIFT), n_bytes));
- T(YAFFS_TRACE_OS,
- (TSTR("writepag0: obj = %05x, ino = %05x\n"),
- (int)obj->variant.file_variant.file_size, (int)inode->i_size));
-
- n_written = yaffs_wr_file(obj, buffer,
- page->index << PAGE_CACHE_SHIFT, n_bytes, 0);
-
- yaffs_touch_super(dev);
-
- T(YAFFS_TRACE_OS,
- (TSTR("writepag1: obj = %05x, ino = %05x\n"),
- (int)obj->variant.file_variant.file_size, (int)inode->i_size));
-
- yaffs_gross_unlock(dev);
-
- kunmap(page);
- set_page_writeback(page);
- unlock_page(page);
- end_page_writeback(page);
- put_page(page);
-
- return (n_written == n_bytes) ? 0 : -ENOSPC;
-}
-
-static int yaffs_write_begin(struct file *filp, struct address_space *mapping,
- loff_t pos, unsigned len, unsigned flags,
- struct page **pagep, void **fsdata)
-{
- struct page *pg = NULL;
- pgoff_t index = pos >> PAGE_CACHE_SHIFT;
-
- int ret = 0;
- int space_held = 0;
-
- /* Get a page */
- pg = grab_cache_page_write_begin(mapping, index, flags);
-
- *pagep = pg;
- if (!pg) {
- ret = -ENOMEM;
- goto out;
- }
- T(YAFFS_TRACE_OS,
- (TSTR("start yaffs_write_begin index %d(%x) uptodate %d\n"),
- (int)index, (int)index, Page_Uptodate(pg) ? 1 : 0));
-
- /* Get fs space */
- space_held = yaffs_hold_space(filp);
+ dev = yaffs_inode_to_obj(inode)->my_dev;
+ if (attr->ia_valid & ATTR_SIZE) {
+ yaffs_trace(YAFFS_TRACE_OS, "resize to %d(%x)",
+ (int)(attr->ia_size),
+ (int)(attr->ia_size));
+ }
+ yaffs_gross_lock(dev);
+ result = yaffs_set_attribs(yaffs_inode_to_obj(inode), attr);
+ if (result == YAFFS_OK) {
+ error = 0;
+ } else {
+ error = -EPERM;
+ }
+ yaffs_gross_unlock(dev);
- if (!space_held) {
- ret = -ENOSPC;
- goto out;
}
- /* Update page if required */
-
- if (!Page_Uptodate(pg))
- ret = yaffs_readpage_nolock(filp, pg);
-
- if (ret)
- goto out;
-
- /* Happy path return */
- T(YAFFS_TRACE_OS, (TSTR("end yaffs_write_begin - ok\n")));
-
- return 0;
+ yaffs_trace(YAFFS_TRACE_OS, "yaffs_setattr done returning %d", error);
-out:
- T(YAFFS_TRACE_OS,
- (TSTR("end yaffs_write_begin fail returning %d\n"), ret));
- if (space_held)
- yaffs_release_space(filp);
- if (pg) {
- unlock_page(pg);
- page_cache_release(pg);
- }
- return ret;
+ return error;
}
-static int yaffs_write_end(struct file *filp, struct address_space *mapping,
- loff_t pos, unsigned len, unsigned copied,
- struct page *pg, void *fsdadata)
+#ifdef CONFIG_YAFFS_XATTR
+static int yaffs_setxattr(struct dentry *dentry, const char *name,
+ const void *value, size_t size, int flags)
{
- int ret = 0;
- void *addr, *kva;
- uint32_t offset_into_page = pos & (PAGE_CACHE_SIZE - 1);
-
- kva = kmap(pg);
- addr = kva + offset_into_page;
+ struct inode *inode = dentry->d_inode;
+ int error = 0;
+ struct yaffs_dev *dev;
+ struct yaffs_obj *obj = yaffs_inode_to_obj(inode);
- T(YAFFS_TRACE_OS,
- ("yaffs_write_end addr %p pos %x n_bytes %d\n",
- addr, (unsigned)pos, copied));
+ yaffs_trace(YAFFS_TRACE_OS, "yaffs_setxattr of object %d", obj->obj_id);
- ret = yaffs_file_write(filp, addr, copied, &pos);
+ if (error == 0) {
+ int result;
+ dev = obj->my_dev;
+ yaffs_gross_lock(dev);
+ result = yaffs_set_xattrib(obj, name, value, size, flags);
+ if (result == YAFFS_OK)
+ error = 0;
+ else if (result < 0)
+ error = result;
+ yaffs_gross_unlock(dev);
- if (ret != copied) {
- T(YAFFS_TRACE_OS,
- (TSTR("yaffs_write_end not same size ret %d copied %d\n"),
- ret, copied));
- SetPageError(pg);
- } else {
- /* Nothing */
}
+ yaffs_trace(YAFFS_TRACE_OS, "yaffs_setxattr done returning %d", error);
- kunmap(pg);
-
- yaffs_release_space(filp);
- unlock_page(pg);
- page_cache_release(pg);
- return ret;
+ return error;
}
-static void yaffs_fill_inode_from_obj(struct inode *inode,
- struct yaffs_obj *obj)
+static ssize_t yaffs_getxattr(struct dentry * dentry, const char *name, void *buff,
+ size_t size)
{
- if (inode && obj) {
-
- /* Check mode against the variant type and attempt to repair if broken. */
- u32 mode = obj->yst_mode;
- switch (obj->variant_type) {
- case YAFFS_OBJECT_TYPE_FILE:
- if (!S_ISREG(mode)) {
- obj->yst_mode &= ~S_IFMT;
- obj->yst_mode |= S_IFREG;
- }
-
- break;
- case YAFFS_OBJECT_TYPE_SYMLINK:
- if (!S_ISLNK(mode)) {
- obj->yst_mode &= ~S_IFMT;
- obj->yst_mode |= S_IFLNK;
- }
-
- break;
- case YAFFS_OBJECT_TYPE_DIRECTORY:
- if (!S_ISDIR(mode)) {
- obj->yst_mode &= ~S_IFMT;
- obj->yst_mode |= S_IFDIR;
- }
-
- break;
- case YAFFS_OBJECT_TYPE_UNKNOWN:
- case YAFFS_OBJECT_TYPE_HARDLINK:
- case YAFFS_OBJECT_TYPE_SPECIAL:
- default:
- /* TODO? */
- break;
- }
-
- inode->i_flags |= S_NOATIME;
-
- inode->i_ino = obj->obj_id;
- inode->i_mode = obj->yst_mode;
- inode->i_uid = obj->yst_uid;
- inode->i_gid = obj->yst_gid;
-
- inode->i_rdev = old_decode_dev(obj->yst_rdev);
-
- inode->i_atime.tv_sec = (time_t) (obj->yst_atime);
- inode->i_atime.tv_nsec = 0;
- inode->i_mtime.tv_sec = (time_t) obj->yst_mtime;
- inode->i_mtime.tv_nsec = 0;
- inode->i_ctime.tv_sec = (time_t) obj->yst_ctime;
- inode->i_ctime.tv_nsec = 0;
- inode->i_size = yaffs_get_obj_length(obj);
- inode->i_blocks = (inode->i_size + 511) >> 9;
-
- inode->i_nlink = yaffs_get_obj_link_count(obj);
-
- T(YAFFS_TRACE_OS,
- (TSTR
- ("yaffs_fill_inode mode %x uid %d gid %d size %d count %d\n"),
- inode->i_mode, inode->i_uid, inode->i_gid,
- (int)inode->i_size, atomic_read(&inode->i_count)));
-
- switch (obj->yst_mode & S_IFMT) {
- default: /* fifo, device or socket */
- init_special_inode(inode, obj->yst_mode,
- old_decode_dev(obj->yst_rdev));
- break;
- case S_IFREG: /* file */
- inode->i_op = &yaffs_file_inode_operations;
- inode->i_fop = &yaffs_file_operations;
- inode->i_mapping->a_ops =
- &yaffs_file_address_operations;
- break;
- case S_IFDIR: /* directory */
- inode->i_op = &yaffs_dir_inode_operations;
- inode->i_fop = &yaffs_dir_operations;
- break;
- case S_IFLNK: /* symlink */
- inode->i_op = &yaffs_symlink_inode_operations;
- break;
- }
+ struct inode *inode = dentry->d_inode;
+ int error = 0;
+ struct yaffs_dev *dev;
+ struct yaffs_obj *obj = yaffs_inode_to_obj(inode);
- yaffs_inode_to_obj_lv(inode) = obj;
+ yaffs_trace(YAFFS_TRACE_OS,
+ "yaffs_getxattr \"%s\" from object %d",
+ name, obj->obj_id);
- obj->my_inode = inode;
+ if (error == 0) {
+ dev = obj->my_dev;
+ yaffs_gross_lock(dev);
+ error = yaffs_get_xattrib(obj, name, buff, size);
+ yaffs_gross_unlock(dev);
- } else {
- T(YAFFS_TRACE_OS,
- (TSTR("yaffs_fill_inode invalid parameters\n")));
}
+ yaffs_trace(YAFFS_TRACE_OS, "yaffs_getxattr done returning %d", error);
+ return error;
}
-struct inode *yaffs_get_inode(struct super_block *sb, int mode, int dev,
- struct yaffs_obj *obj)
+static int yaffs_removexattr(struct dentry *dentry, const char *name)
{
- struct inode *inode;
+ struct inode *inode = dentry->d_inode;
+ int error = 0;
+ struct yaffs_dev *dev;
+ struct yaffs_obj *obj = yaffs_inode_to_obj(inode);
- if (!sb) {
- T(YAFFS_TRACE_OS,
- (TSTR("yaffs_get_inode for NULL super_block!!\n")));
- return NULL;
+ yaffs_trace(YAFFS_TRACE_OS,
+ "yaffs_removexattr of object %d", obj->obj_id);
- }
-
- if (!obj) {
- T(YAFFS_TRACE_OS,
- (TSTR("yaffs_get_inode for NULL object!!\n")));
- return NULL;
+ if (error == 0) {
+ int result;
+ dev = obj->my_dev;
+ yaffs_gross_lock(dev);
+ result = yaffs_remove_xattrib(obj, name);
+ if (result == YAFFS_OK)
+ error = 0;
+ else if (result < 0)
+ error = result;
+ yaffs_gross_unlock(dev);
}
+ yaffs_trace(YAFFS_TRACE_OS,
+ "yaffs_removexattr done returning %d", error);
- T(YAFFS_TRACE_OS,
- (TSTR("yaffs_get_inode for object %d\n"), obj->obj_id));
-
- inode = Y_IGET(sb, obj->obj_id);
- if (IS_ERR(inode))
- return NULL;
-
- /* NB Side effect: iget calls back to yaffs_read_inode(). */
- /* iget also increments the inode's i_count */
- /* NB You can't be holding gross_lock or deadlock will happen! */
-
- return inode;
+ return error;
}
-static ssize_t yaffs_file_write(struct file *f, const char *buf, size_t n,
- loff_t * pos)
+static ssize_t yaffs_listxattr(struct dentry * dentry, char *buff, size_t size)
{
- struct yaffs_obj *obj;
- int n_written, ipos;
- struct inode *inode;
+ struct inode *inode = dentry->d_inode;
+ int error = 0;
struct yaffs_dev *dev;
+ struct yaffs_obj *obj = yaffs_inode_to_obj(inode);
- obj = yaffs_dentry_to_obj(f->f_dentry);
-
- dev = obj->my_dev;
-
- yaffs_gross_lock(dev);
-
- inode = f->f_dentry->d_inode;
+ yaffs_trace(YAFFS_TRACE_OS,
+ "yaffs_listxattr of object %d", obj->obj_id);
- if (!S_ISBLK(inode->i_mode) && f->f_flags & O_APPEND)
- ipos = inode->i_size;
- else
- ipos = *pos;
+ if (error == 0) {
+ dev = obj->my_dev;
+ yaffs_gross_lock(dev);
+ error = yaffs_list_xattrib(obj, buff, size);
+ yaffs_gross_unlock(dev);
- if (!obj)
- T(YAFFS_TRACE_OS,
- (TSTR("yaffs_file_write: hey obj is null!\n")));
- else
- T(YAFFS_TRACE_OS,
- (TSTR("yaffs_file_write about to write writing %u(%x) bytes"
- "to object %d at %d(%x)\n"),
- (unsigned)n, (unsigned)n, obj->obj_id, ipos, ipos));
+ }
+ yaffs_trace(YAFFS_TRACE_OS,
+ "yaffs_listxattr done returning %d", error);
- n_written = yaffs_wr_file(obj, buf, ipos, n, 0);
+ return error;
+}
- yaffs_touch_super(dev);
+#endif
- T(YAFFS_TRACE_OS,
- (TSTR("yaffs_file_write: %d(%x) bytes written\n"),
- (unsigned)n, (unsigned)n));
+static const struct inode_operations yaffs_dir_inode_operations = {
+ .create = yaffs_create,
+ .lookup = yaffs_lookup,
+ .link = yaffs_link,
+ .unlink = yaffs_unlink,
+ .symlink = yaffs_symlink,
+ .mkdir = yaffs_mkdir,
+ .rmdir = yaffs_unlink,
+ .mknod = yaffs_mknod,
+ .rename = yaffs_rename,
+ .setattr = yaffs_setattr,
+#ifdef CONFIG_YAFFS_XATTR
+ .setxattr = yaffs_setxattr,
+ .getxattr = yaffs_getxattr,
+ .listxattr = yaffs_listxattr,
+ .removexattr = yaffs_removexattr,
+#endif
+};
+/*-----------------------------------------------------------------*/
+/* Directory search context allows us to unlock access to yaffs during
+ * filldir without causing problems with the directory being modified.
+ * This is similar to the tried and tested mechanism used in yaffs direct.
+ *
+ * A search context iterates along a doubly linked list of siblings in the
+ * directory. If the iterating object is deleted then this would corrupt
+ * the list iteration, likely causing a crash. The search context avoids
+ * this by using the remove_obj_fn to move the search context to the
+ * next object before the object is deleted.
+ *
+ * Many readdirs (and thus seach conexts) may be alive simulateously so
+ * each struct yaffs_dev has a list of these.
+ *
+ * A seach context lives for the duration of a readdir.
+ *
+ * All these functions must be called while yaffs is locked.
+ */
- if (n_written > 0) {
- ipos += n_written;
- *pos = ipos;
- if (ipos > inode->i_size) {
- inode->i_size = ipos;
- inode->i_blocks = (ipos + 511) >> 9;
+struct yaffs_search_context {
+ struct yaffs_dev *dev;
+ struct yaffs_obj *dir_obj;
+ struct yaffs_obj *next_return;
+ struct list_head others;
+};
- T(YAFFS_TRACE_OS,
- (TSTR("yaffs_file_write size updated to %d bytes, "
- "%d blocks\n"), ipos, (int)(inode->i_blocks)));
- }
+/*
+ * yaffs_new_search() creates a new search context, initialises it and
+ * adds it to the device's search context list.
+ *
+ * Called at start of readdir.
+ */
+static struct yaffs_search_context *yaffs_new_search(struct yaffs_obj *dir)
+{
+ struct yaffs_dev *dev = dir->my_dev;
+ struct yaffs_search_context *sc =
+ kmalloc(sizeof(struct yaffs_search_context), GFP_NOFS);
+ if (sc) {
+ sc->dir_obj = dir;
+ sc->dev = dev;
+ if (list_empty(&sc->dir_obj->variant.dir_variant.children))
+ sc->next_return = NULL;
+ else
+ sc->next_return =
+ list_entry(dir->variant.dir_variant.children.next,
+ struct yaffs_obj, siblings);
+ INIT_LIST_HEAD(&sc->others);
+ list_add(&sc->others, &(yaffs_dev_to_lc(dev)->search_contexts));
+ }
+ return sc;
+}
+/*
+ * yaffs_search_end() disposes of a search context and cleans up.
+ */
+static void yaffs_search_end(struct yaffs_search_context *sc)
+{
+ if (sc) {
+ list_del(&sc->others);
+ kfree(sc);
}
- yaffs_gross_unlock(dev);
- return (n_written == 0) && (n > 0) ? -ENOSPC : n_written;
}
-/* Space holding and freeing is done to ensure we have space available for write_begin/end */
-/* For now we just assume few parallel writes and check against a small number. */
-/* Todo: need to do this with a counter to handle parallel reads better */
-
-static ssize_t yaffs_hold_space(struct file *f)
+/*
+ * yaffs_search_advance() moves a search context to the next object.
+ * Called when the search iterates or when an object removal causes
+ * the search context to be moved to the next object.
+ */
+static void yaffs_search_advance(struct yaffs_search_context *sc)
{
- struct yaffs_obj *obj;
- struct yaffs_dev *dev;
-
- int n_free_chunks;
-
- obj = yaffs_dentry_to_obj(f->f_dentry);
-
- dev = obj->my_dev;
-
- yaffs_gross_lock(dev);
-
- n_free_chunks = yaffs_get_n_free_chunks(dev);
+ if (!sc)
+ return;
- yaffs_gross_unlock(dev);
+ if (sc->next_return == NULL ||
+ list_empty(&sc->dir_obj->variant.dir_variant.children))
+ sc->next_return = NULL;
+ else {
+ struct list_head *next = sc->next_return->siblings.next;
- return (n_free_chunks > 20) ? 1 : 0;
+ if (next == &sc->dir_obj->variant.dir_variant.children)
+ sc->next_return = NULL; /* end of list */
+ else
+ sc->next_return =
+ list_entry(next, struct yaffs_obj, siblings);
+ }
}
-static void yaffs_release_space(struct file *f)
+/*
+ * yaffs_remove_obj_callback() is called when an object is unlinked.
+ * We check open search contexts and advance any which are currently
+ * on the object being iterated.
+ */
+static void yaffs_remove_obj_callback(struct yaffs_obj *obj)
{
- struct yaffs_obj *obj;
- struct yaffs_dev *dev;
-
- obj = yaffs_dentry_to_obj(f->f_dentry);
- dev = obj->my_dev;
+ struct list_head *i;
+ struct yaffs_search_context *sc;
+ struct list_head *search_contexts =
+ &(yaffs_dev_to_lc(obj->my_dev)->search_contexts);
- yaffs_gross_lock(dev);
+ /* Iterate through the directory search contexts.
+ * If any are currently on the object being removed, then advance
+ * the search context to the next object to prevent a hanging pointer.
+ */
+ list_for_each(i, search_contexts) {
+ if (i) {
+ sc = list_entry(i, struct yaffs_search_context, others);
+ if (sc->next_return == obj)
+ yaffs_search_advance(sc);
+ }
+ }
- yaffs_gross_unlock(dev);
}
static int yaffs_readdir(struct file *f, void *dirent, filldir_t filldir)
goto out;
}
- T(YAFFS_TRACE_OS,
- (TSTR("yaffs_readdir: starting at %d\n"), (int)offset));
+ yaffs_trace(YAFFS_TRACE_OS,
+ "yaffs_readdir: starting at %d", (int)offset);
if (offset == 0) {
- T(YAFFS_TRACE_OS,
- (TSTR("yaffs_readdir: entry . ino %d \n"),
- (int)inode->i_ino));
+ yaffs_trace(YAFFS_TRACE_OS,
+ "yaffs_readdir: entry . ino %d",
+ (int)inode->i_ino);
yaffs_gross_unlock(dev);
if (filldir(dirent, ".", 1, offset, inode->i_ino, DT_DIR) < 0) {
yaffs_gross_lock(dev);
f->f_pos++;
}
if (offset == 1) {
- T(YAFFS_TRACE_OS,
- (TSTR("yaffs_readdir: entry .. ino %d \n"),
- (int)f->f_dentry->d_parent->d_inode->i_ino));
+ yaffs_trace(YAFFS_TRACE_OS,
+ "yaffs_readdir: entry .. ino %d",
+ (int)f->f_dentry->d_parent->d_inode->i_ino);
yaffs_gross_unlock(dev);
if (filldir(dirent, "..", 2, offset,
f->f_dentry->d_parent->d_inode->i_ino,
f->f_pos++;
}
- curoffs = 1;
+ curoffs = 1;
+
+ /* If the directory has changed since the open or last call to
+ readdir, rewind to after the 2 canned entries. */
+ if (f->f_version != inode->i_version) {
+ offset = 2;
+ f->f_pos = offset;
+ f->f_version = inode->i_version;
+ }
+
+ while (sc->next_return) {
+ curoffs++;
+ l = sc->next_return;
+ if (curoffs >= offset) {
+ int this_inode = yaffs_get_obj_inode(l);
+ int this_type = yaffs_get_obj_type(l);
+
+ yaffs_get_obj_name(l, name, YAFFS_MAX_NAME_LENGTH + 1);
+ yaffs_trace(YAFFS_TRACE_OS,
+ "yaffs_readdir: %s inode %d",
+ name, yaffs_get_obj_inode(l));
+
+ yaffs_gross_unlock(dev);
+
+ if (filldir(dirent,
+ name,
+ strlen(name),
+ offset, this_inode, this_type) < 0) {
+ yaffs_gross_lock(dev);
+ goto out;
+ }
+
+ yaffs_gross_lock(dev);
+
+ offset++;
+ f->f_pos++;
+ }
+ yaffs_search_advance(sc);
+ }
+
+out:
+ yaffs_search_end(sc);
+ yaffs_dev_to_lc(dev)->readdir_process = NULL;
+ yaffs_gross_unlock(dev);
+
+ return ret_val;
+}
+
+static const struct file_operations yaffs_dir_operations = {
+ .read = generic_read_dir,
+ .readdir = yaffs_readdir,
+ .fsync = yaffs_sync_object,
+ .llseek = generic_file_llseek,
+};
+
+
+
+static int yaffs_file_flush(struct file *file, fl_owner_t id)
+{
+ struct yaffs_obj *obj = yaffs_dentry_to_obj(file->f_dentry);
+
+ struct yaffs_dev *dev = obj->my_dev;
+
+ yaffs_trace(YAFFS_TRACE_OS,
+ "yaffs_file_flush object %d (%s)",
+ obj->obj_id, obj->dirty ? "dirty" : "clean");
+
+ yaffs_gross_lock(dev);
+
+ yaffs_flush_file(obj, 1, 0);
+
+ yaffs_gross_unlock(dev);
+
+ return 0;
+}
+
+static const struct file_operations yaffs_file_operations = {
+ .read = do_sync_read,
+ .write = do_sync_write,
+ .aio_read = generic_file_aio_read,
+ .aio_write = generic_file_aio_write,
+ .mmap = generic_file_mmap,
+ .flush = yaffs_file_flush,
+ .fsync = yaffs_sync_object,
+ .splice_read = generic_file_splice_read,
+ .splice_write = generic_file_splice_write,
+ .llseek = generic_file_llseek,
+};
+
+
+/* ExportFS support */
+static struct inode *yaffs2_nfs_get_inode(struct super_block *sb, uint64_t ino,
+ uint32_t generation)
+{
+ return yaffs_iget(sb, ino);
+}
+
+static struct dentry *yaffs2_fh_to_dentry(struct super_block *sb,
+ struct fid *fid, int fh_len,
+ int fh_type)
+{
+ return generic_fh_to_dentry(sb, fid, fh_len, fh_type,
+ yaffs2_nfs_get_inode);
+}
+
+static struct dentry *yaffs2_fh_to_parent(struct super_block *sb,
+ struct fid *fid, int fh_len,
+ int fh_type)
+{
+ return generic_fh_to_parent(sb, fid, fh_len, fh_type,
+ yaffs2_nfs_get_inode);
+}
+
+struct dentry *yaffs2_get_parent(struct dentry *dentry)
+{
+
+ struct super_block *sb = dentry->d_inode->i_sb;
+ struct dentry *parent = ERR_PTR(-ENOENT);
+ struct inode *inode;
+ unsigned long parent_ino;
+ struct yaffs_obj *d_obj;
+ struct yaffs_obj *parent_obj;
+
+ d_obj = yaffs_inode_to_obj(dentry->d_inode);
+
+ if (d_obj) {
+ parent_obj = d_obj->parent;
+ if (parent_obj) {
+ parent_ino = yaffs_get_obj_inode(parent_obj);
+ inode = yaffs_iget(sb, parent_ino);
+
+ if (IS_ERR(inode)) {
+ parent = ERR_CAST(inode);
+ } else {
+ parent = d_obtain_alias(inode);
+ if (!IS_ERR(parent)) {
+ parent = ERR_PTR(-ENOMEM);
+ iput(inode);
+ }
+ }
+ }
+ }
+
+ return parent;
+}
+
+/* Just declare a zero structure as a NULL value implies
+ * using the default functions of exportfs.
+ */
+
+static struct export_operations yaffs_export_ops = {
+ .fh_to_dentry = yaffs2_fh_to_dentry,
+ .fh_to_parent = yaffs2_fh_to_parent,
+ .get_parent = yaffs2_get_parent,
+};
+
+
+/*-----------------------------------------------------------------*/
+
+static int yaffs_readlink(struct dentry *dentry, char __user * buffer,
+ int buflen)
+{
+ unsigned char *alias;
+ int ret;
+
+ struct yaffs_dev *dev = yaffs_dentry_to_obj(dentry)->my_dev;
+
+ yaffs_gross_lock(dev);
+
+ alias = yaffs_get_symlink_alias(yaffs_dentry_to_obj(dentry));
+
+ yaffs_gross_unlock(dev);
+
+ if (!alias)
+ return -ENOMEM;
+
+ ret = vfs_readlink(dentry, buffer, buflen, alias);
+ kfree(alias);
+ return ret;
+}
+
+static void *yaffs_follow_link(struct dentry *dentry, struct nameidata *nd)
+{
+ unsigned char *alias;
+ void *ret;
+ struct yaffs_dev *dev = yaffs_dentry_to_obj(dentry)->my_dev;
+
+ yaffs_gross_lock(dev);
+
+ alias = yaffs_get_symlink_alias(yaffs_dentry_to_obj(dentry));
+ yaffs_gross_unlock(dev);
+
+ if (!alias) {
+ ret = ERR_PTR(-ENOMEM);
+ goto out;
+ }
+
+ nd_set_link(nd, alias);
+ ret = (void *)alias;
+out:
+ return ret;
+}
- /* If the directory has changed since the open or last call to
- readdir, rewind to after the 2 canned entries. */
- if (f->f_version != inode->i_version) {
- offset = 2;
- f->f_pos = offset;
- f->f_version = inode->i_version;
- }
+void yaffs_put_link(struct dentry *dentry, struct nameidata *nd, void *alias)
+{
+ kfree(alias);
+}
- while (sc->next_return) {
- curoffs++;
- l = sc->next_return;
- if (curoffs >= offset) {
- int this_inode = yaffs_get_obj_inode(l);
- int this_type = yaffs_get_obj_type(l);
- yaffs_get_obj_name(l, name, YAFFS_MAX_NAME_LENGTH + 1);
- T(YAFFS_TRACE_OS,
- (TSTR("yaffs_readdir: %s inode %d\n"),
- name, yaffs_get_obj_inode(l)));
+static void yaffs_unstitch_obj(struct inode *inode, struct yaffs_obj *obj)
+{
+ /* Clear the association between the inode and
+ * the struct yaffs_obj.
+ */
+ obj->my_inode = NULL;
+ yaffs_inode_to_obj_lv(inode) = NULL;
- yaffs_gross_unlock(dev);
+ /* If the object freeing was deferred, then the real
+ * free happens now.
+ * This should fix the inode inconsistency problem.
+ */
+ yaffs_handle_defered_free(obj);
+}
- if (filldir(dirent,
- name,
- strlen(name),
- offset, this_inode, this_type) < 0) {
- yaffs_gross_lock(dev);
- goto out;
- }
+/* yaffs_evict_inode combines into one operation what was previously done in
+ * yaffs_clear_inode() and yaffs_delete_inode()
+ *
+ */
+static void yaffs_evict_inode(struct inode *inode)
+{
+ struct yaffs_obj *obj;
+ struct yaffs_dev *dev;
+ int deleteme = 0;
- yaffs_gross_lock(dev);
+ obj = yaffs_inode_to_obj(inode);
- offset++;
- f->f_pos++;
- }
- yaffs_search_advance(sc);
- }
+ yaffs_trace(YAFFS_TRACE_OS,
+ "yaffs_evict_inode: ino %d, count %d %s",
+ (int)inode->i_ino,
+ atomic_read(&inode->i_count),
+ obj ? "object exists" : "null object");
-out:
- yaffs_search_end(sc);
- yaffs_dev_to_lc(dev)->readdir_process = NULL;
- yaffs_gross_unlock(dev);
+ if (!inode->i_nlink && !is_bad_inode(inode))
+ deleteme = 1;
+ truncate_inode_pages(&inode->i_data, 0);
+ end_writeback(inode);
+
+ if (deleteme && obj) {
+ dev = obj->my_dev;
+ yaffs_gross_lock(dev);
+ yaffs_del_obj(obj);
+ yaffs_gross_unlock(dev);
+ }
+ if (obj) {
+ dev = obj->my_dev;
+ yaffs_gross_lock(dev);
+ yaffs_unstitch_obj(inode, obj);
+ yaffs_gross_unlock(dev);
+ }
- return ret_val;
}
-/*
- * File creation. Allocate an inode, and we're done..
- */
+static void yaffs_touch_super(struct yaffs_dev *dev)
+{
+ struct super_block *sb = yaffs_dev_to_lc(dev)->super;
-#define YCRED(x) (x->cred)
+ yaffs_trace(YAFFS_TRACE_OS, "yaffs_touch_super() sb = %p", sb);
+ if (sb)
+ sb->s_dirt = 1;
+}
-static int yaffs_mknod(struct inode *dir, struct dentry *dentry, int mode,
- dev_t rdev)
+static int yaffs_readpage_nolock(struct file *f, struct page *pg)
{
- struct inode *inode;
+ /* Lifted from jffs2 */
- struct yaffs_obj *obj = NULL;
- struct yaffs_dev *dev;
+ struct yaffs_obj *obj;
+ unsigned char *pg_buf;
+ int ret;
- struct yaffs_obj *parent = yaffs_inode_to_obj(dir);
+ struct yaffs_dev *dev;
- int error = -ENOSPC;
- uid_t uid = YCRED(current)->fsuid;
- gid_t gid =
- (dir->i_mode & S_ISGID) ? dir->i_gid : YCRED(current)->fsgid;
+ yaffs_trace(YAFFS_TRACE_OS,
+ "yaffs_readpage_nolock at %08x, size %08x",
+ (unsigned)(pg->index << PAGE_CACHE_SHIFT),
+ (unsigned)PAGE_CACHE_SIZE);
- if ((dir->i_mode & S_ISGID) && S_ISDIR(mode))
- mode |= S_ISGID;
+ obj = yaffs_dentry_to_obj(f->f_dentry);
- if (parent) {
- T(YAFFS_TRACE_OS,
- (TSTR("yaffs_mknod: parent object %d type %d\n"),
- parent->obj_id, parent->variant_type));
- } else {
- T(YAFFS_TRACE_OS,
- (TSTR("yaffs_mknod: could not get parent object\n")));
- return -EPERM;
- }
+ dev = obj->my_dev;
- T(YAFFS_TRACE_OS, (TSTR("yaffs_mknod: making oject for %s, "
- "mode %x dev %x\n"),
- dentry->d_name.name, mode, rdev));
+ BUG_ON(!PageLocked(pg));
- dev = parent->my_dev;
+ pg_buf = kmap(pg);
+ /* FIXME: Can kmap fail? */
yaffs_gross_lock(dev);
- switch (mode & S_IFMT) {
- default:
- /* Special (socket, fifo, device...) */
- T(YAFFS_TRACE_OS, (TSTR("yaffs_mknod: making special\n")));
- obj =
- yaffs_create_special(parent, dentry->d_name.name, mode, uid,
- gid, old_encode_dev(rdev));
- break;
- case S_IFREG: /* file */
- T(YAFFS_TRACE_OS, (TSTR("yaffs_mknod: making file\n")));
- obj = yaffs_create_file(parent, dentry->d_name.name, mode, uid,
- gid);
- break;
- case S_IFDIR: /* directory */
- T(YAFFS_TRACE_OS, (TSTR("yaffs_mknod: making directory\n")));
- obj = yaffs_create_dir(parent, dentry->d_name.name, mode,
- uid, gid);
- break;
- case S_IFLNK: /* symlink */
- T(YAFFS_TRACE_OS, (TSTR("yaffs_mknod: making symlink\n")));
- obj = NULL; /* Do we ever get here? */
- break;
- }
+ ret = yaffs_file_rd(obj, pg_buf,
+ pg->index << PAGE_CACHE_SHIFT, PAGE_CACHE_SIZE);
- /* Can not call yaffs_get_inode() with gross lock held */
yaffs_gross_unlock(dev);
- if (obj) {
- inode = yaffs_get_inode(dir->i_sb, mode, rdev, obj);
- d_instantiate(dentry, inode);
- update_dir_time(dir);
- T(YAFFS_TRACE_OS,
- (TSTR("yaffs_mknod created object %d count = %d\n"),
- obj->obj_id, atomic_read(&inode->i_count)));
- error = 0;
- yaffs_fill_inode_from_obj(dir, parent);
+ if (ret >= 0)
+ ret = 0;
+
+ if (ret) {
+ ClearPageUptodate(pg);
+ SetPageError(pg);
} else {
- T(YAFFS_TRACE_OS, (TSTR("yaffs_mknod failed making object\n")));
- error = -ENOMEM;
+ SetPageUptodate(pg);
+ ClearPageError(pg);
}
- return error;
+ flush_dcache_page(pg);
+ kunmap(pg);
+
+ yaffs_trace(YAFFS_TRACE_OS, "yaffs_readpage_nolock done");
+ return ret;
}
-static int yaffs_mkdir(struct inode *dir, struct dentry *dentry, int mode)
+static int yaffs_readpage_unlock(struct file *f, struct page *pg)
{
- int ret_val;
- T(YAFFS_TRACE_OS, (TSTR("yaffs_mkdir\n")));
- ret_val = yaffs_mknod(dir, dentry, mode | S_IFDIR, 0);
- return ret_val;
+ int ret = yaffs_readpage_nolock(f, pg);
+ UnlockPage(pg);
+ return ret;
}
-static int yaffs_create(struct inode *dir, struct dentry *dentry, int mode,
- struct nameidata *n)
+static int yaffs_readpage(struct file *f, struct page *pg)
{
- T(YAFFS_TRACE_OS, (TSTR("yaffs_create\n")));
- return yaffs_mknod(dir, dentry, mode | S_IFREG, 0);
+ int ret;
+
+ yaffs_trace(YAFFS_TRACE_OS, "yaffs_readpage");
+ ret = yaffs_readpage_unlock(f, pg);
+ yaffs_trace(YAFFS_TRACE_OS, "yaffs_readpage done");
+ return ret;
}
-static int yaffs_unlink(struct inode *dir, struct dentry *dentry)
-{
- int ret_val;
+/* writepage inspired by/stolen from smbfs */
+static int yaffs_writepage(struct page *page, struct writeback_control *wbc)
+{
struct yaffs_dev *dev;
+ struct address_space *mapping = page->mapping;
+ struct inode *inode;
+ unsigned long end_index;
+ char *buffer;
struct yaffs_obj *obj;
+ int n_written = 0;
+ unsigned n_bytes;
+ loff_t i_size;
- T(YAFFS_TRACE_OS,
- (TSTR("yaffs_unlink %d:%s\n"),
- (int)(dir->i_ino), dentry->d_name.name));
- obj = yaffs_inode_to_obj(dir);
- dev = obj->my_dev;
+ if (!mapping)
+ BUG();
+ inode = mapping->host;
+ if (!inode)
+ BUG();
+ i_size = i_size_read(inode);
- yaffs_gross_lock(dev);
+ end_index = i_size >> PAGE_CACHE_SHIFT;
- ret_val = yaffs_unlinker(obj, dentry->d_name.name);
+ if (page->index < end_index)
+ n_bytes = PAGE_CACHE_SIZE;
+ else {
+ n_bytes = i_size & (PAGE_CACHE_SIZE - 1);
- if (ret_val == YAFFS_OK) {
- dentry->d_inode->i_nlink--;
- dir->i_version++;
- yaffs_gross_unlock(dev);
- mark_inode_dirty(dentry->d_inode);
- update_dir_time(dir);
- return 0;
+ if (page->index > end_index || !n_bytes) {
+ yaffs_trace(YAFFS_TRACE_OS,
+ "yaffs_writepage at %08x, inode size = %08x!!!",
+ (unsigned)(page->index << PAGE_CACHE_SHIFT),
+ (unsigned)inode->i_size);
+ yaffs_trace(YAFFS_TRACE_OS,
+ " -> don't care!!");
+
+ zero_user_segment(page, 0, PAGE_CACHE_SIZE);
+ set_page_writeback(page);
+ unlock_page(page);
+ end_page_writeback(page);
+ return 0;
+ }
}
- yaffs_gross_unlock(dev);
- return -ENOTEMPTY;
-}
-/*
- * Create a link...
- */
-static int yaffs_link(struct dentry *old_dentry, struct inode *dir,
- struct dentry *dentry)
-{
- struct inode *inode = old_dentry->d_inode;
- struct yaffs_obj *obj = NULL;
- struct yaffs_obj *link = NULL;
- struct yaffs_dev *dev;
+ if (n_bytes != PAGE_CACHE_SIZE)
+ zero_user_segment(page, n_bytes, PAGE_CACHE_SIZE);
+
+ get_page(page);
- T(YAFFS_TRACE_OS, (TSTR("yaffs_link\n")));
+ buffer = kmap(page);
obj = yaffs_inode_to_obj(inode);
dev = obj->my_dev;
-
yaffs_gross_lock(dev);
- if (!S_ISDIR(inode->i_mode)) /* Don't link directories */
- link =
- yaffs_link_obj(yaffs_inode_to_obj(dir), dentry->d_name.name,
- obj);
+ yaffs_trace(YAFFS_TRACE_OS,
+ "yaffs_writepage at %08x, size %08x",
+ (unsigned)(page->index << PAGE_CACHE_SHIFT), n_bytes);
+ yaffs_trace(YAFFS_TRACE_OS,
+ "writepag0: obj = %05x, ino = %05x",
+ (int)obj->variant.file_variant.file_size, (int)inode->i_size);
- if (link) {
- old_dentry->d_inode->i_nlink = yaffs_get_obj_link_count(obj);
- d_instantiate(dentry, old_dentry->d_inode);
- atomic_inc(&old_dentry->d_inode->i_count);
- T(YAFFS_TRACE_OS,
- (TSTR("yaffs_link link count %d i_count %d\n"),
- old_dentry->d_inode->i_nlink,
- atomic_read(&old_dentry->d_inode->i_count)));
- }
+ n_written = yaffs_wr_file(obj, buffer,
+ page->index << PAGE_CACHE_SHIFT, n_bytes, 0);
- yaffs_gross_unlock(dev);
+ yaffs_touch_super(dev);
- if (link) {
- update_dir_time(dir);
- return 0;
- }
+ yaffs_trace(YAFFS_TRACE_OS,
+ "writepag1: obj = %05x, ino = %05x",
+ (int)obj->variant.file_variant.file_size, (int)inode->i_size);
+
+ yaffs_gross_unlock(dev);
- return -EPERM;
+ kunmap(page);
+ set_page_writeback(page);
+ unlock_page(page);
+ end_page_writeback(page);
+ put_page(page);
+
+ return (n_written == n_bytes) ? 0 : -ENOSPC;
}
-static int yaffs_symlink(struct inode *dir, struct dentry *dentry,
- const char *symname)
+/* Space holding and freeing is done to ensure we have space available for
+ * write_begin/end.
+ * For now we just assume few parallel writes and check against a small
+ * number.
+ * Todo: need to do this with a counter to handle parallel reads better.
+ */
+
+static ssize_t yaffs_hold_space(struct file *f)
{
struct yaffs_obj *obj;
struct yaffs_dev *dev;
- uid_t uid = YCRED(current)->fsuid;
- gid_t gid =
- (dir->i_mode & S_ISGID) ? dir->i_gid : YCRED(current)->fsgid;
- T(YAFFS_TRACE_OS, (TSTR("yaffs_symlink\n")));
+ int n_free_chunks;
+
+ obj = yaffs_dentry_to_obj(f->f_dentry);
+
+ dev = obj->my_dev;
- dev = yaffs_inode_to_obj(dir)->my_dev;
yaffs_gross_lock(dev);
- obj = yaffs_create_symlink(yaffs_inode_to_obj(dir), dentry->d_name.name,
- S_IFLNK | S_IRWXUGO, uid, gid, symname);
- yaffs_gross_unlock(dev);
- if (obj) {
- struct inode *inode;
+ n_free_chunks = yaffs_get_n_free_chunks(dev);
- inode = yaffs_get_inode(dir->i_sb, obj->yst_mode, 0, obj);
- d_instantiate(dentry, inode);
- update_dir_time(dir);
- T(YAFFS_TRACE_OS, (TSTR("symlink created OK\n")));
- return 0;
- } else {
- T(YAFFS_TRACE_OS, (TSTR("symlink not created\n")));
- }
+ yaffs_gross_unlock(dev);
- return -ENOMEM;
+ return (n_free_chunks > 20) ? 1 : 0;
}
-static int yaffs_sync_object(struct file *file, int datasync)
+static void yaffs_release_space(struct file *f)
{
-
struct yaffs_obj *obj;
struct yaffs_dev *dev;
- struct dentry *dentry = file->f_path.dentry;
- obj = yaffs_dentry_to_obj(dentry);
+ obj = yaffs_dentry_to_obj(f->f_dentry);
dev = obj->my_dev;
- T(YAFFS_TRACE_OS | YAFFS_TRACE_SYNC, (TSTR("yaffs_sync_object\n")));
yaffs_gross_lock(dev);
- yaffs_flush_file(obj, 1, datasync);
+
yaffs_gross_unlock(dev);
- return 0;
}
-/*
- * The VFS layer already does all the dentry stuff for rename.
- *
- * NB: POSIX says you can rename an object over an old object of the same name
- */
-static int yaffs_rename(struct inode *old_dir, struct dentry *old_dentry,
- struct inode *new_dir, struct dentry *new_dentry)
+static int yaffs_write_begin(struct file *filp, struct address_space *mapping,
+ loff_t pos, unsigned len, unsigned flags,
+ struct page **pagep, void **fsdata)
{
- struct yaffs_dev *dev;
- int ret_val = YAFFS_FAIL;
- struct yaffs_obj *target;
-
- T(YAFFS_TRACE_OS, (TSTR("yaffs_rename\n")));
- dev = yaffs_inode_to_obj(old_dir)->my_dev;
-
- yaffs_gross_lock(dev);
-
- /* Check if the target is an existing directory that is not empty. */
- target = yaffs_find_by_name(yaffs_inode_to_obj(new_dir),
- new_dentry->d_name.name);
-
- if (target && target->variant_type == YAFFS_OBJECT_TYPE_DIRECTORY &&
- !list_empty(&target->variant.dir_variant.children)) {
+ struct page *pg = NULL;
+ pgoff_t index = pos >> PAGE_CACHE_SHIFT;
- T(YAFFS_TRACE_OS, (TSTR("target is non-empty dir\n")));
+ int ret = 0;
+ int space_held = 0;
- ret_val = YAFFS_FAIL;
- } else {
- /* Now does unlinking internally using shadowing mechanism */
- T(YAFFS_TRACE_OS, (TSTR("calling yaffs_rename_obj\n")));
+ /* Get a page */
+ pg = grab_cache_page_write_begin(mapping, index, flags);
- ret_val = yaffs_rename_obj(yaffs_inode_to_obj(old_dir),
- old_dentry->d_name.name,
- yaffs_inode_to_obj(new_dir),
- new_dentry->d_name.name);
+ *pagep = pg;
+ if (!pg) {
+ ret = -ENOMEM;
+ goto out;
}
- yaffs_gross_unlock(dev);
+ yaffs_trace(YAFFS_TRACE_OS,
+ "start yaffs_write_begin index %d(%x) uptodate %d",
+ (int)index, (int)index, Page_Uptodate(pg) ? 1 : 0);
- if (ret_val == YAFFS_OK) {
- if (target) {
- new_dentry->d_inode->i_nlink--;
- mark_inode_dirty(new_dentry->d_inode);
- }
+ /* Get fs space */
+ space_held = yaffs_hold_space(filp);
- update_dir_time(old_dir);
- if (old_dir != new_dir)
- update_dir_time(new_dir);
- return 0;
- } else {
- return -ENOTEMPTY;
+ if (!space_held) {
+ ret = -ENOSPC;
+ goto out;
}
-}
-static int yaffs_setattr(struct dentry *dentry, struct iattr *attr)
-{
- struct inode *inode = dentry->d_inode;
- int error = 0;
- struct yaffs_dev *dev;
-
- T(YAFFS_TRACE_OS,
- (TSTR("yaffs_setattr of object %d\n"),
- yaffs_inode_to_obj(inode)->obj_id));
+ /* Update page if required */
- /* Fail if a requested resize >= 2GB */
- if (attr->ia_valid & ATTR_SIZE && (attr->ia_size >> 31))
- error = -EINVAL;
+ if (!Page_Uptodate(pg))
+ ret = yaffs_readpage_nolock(filp, pg);
- if (error == 0)
- error = inode_change_ok(inode, attr);
- if (error == 0) {
- int result;
- if (!error) {
- error = yaffs_vfs_setattr(inode, attr);
- T(YAFFS_TRACE_OS, (TSTR("inode_setattr called\n")));
- if (attr->ia_valid & ATTR_SIZE) {
- yaffs_vfs_setsize(inode, attr->ia_size);
- inode->i_blocks = (inode->i_size + 511) >> 9;
- }
- }
- dev = yaffs_inode_to_obj(inode)->my_dev;
- if (attr->ia_valid & ATTR_SIZE) {
- T(YAFFS_TRACE_OS, (TSTR("resize to %d(%x)\n"),
- (int)(attr->ia_size),
- (int)(attr->ia_size)));
- }
- yaffs_gross_lock(dev);
- result = yaffs_set_attribs(yaffs_inode_to_obj(inode), attr);
- if (result == YAFFS_OK) {
- error = 0;
- } else {
- error = -EPERM;
- }
- yaffs_gross_unlock(dev);
+ if (ret)
+ goto out;
- }
+ /* Happy path return */
+ yaffs_trace(YAFFS_TRACE_OS, "end yaffs_write_begin - ok");
- T(YAFFS_TRACE_OS, (TSTR("yaffs_setattr done returning %d\n"), error));
+ return 0;
- return error;
+out:
+ yaffs_trace(YAFFS_TRACE_OS,
+ "end yaffs_write_begin fail returning %d", ret);
+ if (space_held)
+ yaffs_release_space(filp);
+ if (pg) {
+ unlock_page(pg);
+ page_cache_release(pg);
+ }
+ return ret;
}
-#ifdef CONFIG_YAFFS_XATTR
-static int yaffs_setxattr(struct dentry *dentry, const char *name,
- const void *value, size_t size, int flags)
+static ssize_t yaffs_file_write(struct file *f, const char *buf, size_t n,
+ loff_t * pos)
{
- struct inode *inode = dentry->d_inode;
- int error = 0;
+ struct yaffs_obj *obj;
+ int n_written, ipos;
+ struct inode *inode;
struct yaffs_dev *dev;
- struct yaffs_obj *obj = yaffs_inode_to_obj(inode);
- T(YAFFS_TRACE_OS, (TSTR("yaffs_setxattr of object %d\n"), obj->obj_id));
-
- if (error == 0) {
- int result;
- dev = obj->my_dev;
- yaffs_gross_lock(dev);
- result = yaffs_set_xattrib(obj, name, value, size, flags);
- if (result == YAFFS_OK)
- error = 0;
- else if (result < 0)
- error = result;
- yaffs_gross_unlock(dev);
+ obj = yaffs_dentry_to_obj(f->f_dentry);
- }
- T(YAFFS_TRACE_OS, (TSTR("yaffs_setxattr done returning %d\n"), error));
+ dev = obj->my_dev;
- return error;
-}
+ yaffs_gross_lock(dev);
-static ssize_t yaffs_getxattr(struct dentry * dentry, const char *name, void *buff,
- size_t size)
-{
- struct inode *inode = dentry->d_inode;
- int error = 0;
- struct yaffs_dev *dev;
- struct yaffs_obj *obj = yaffs_inode_to_obj(inode);
+ inode = f->f_dentry->d_inode;
- T(YAFFS_TRACE_OS,
- (TSTR("yaffs_getxattr \"%s\" from object %d\n"), name, obj->obj_id));
+ if (!S_ISBLK(inode->i_mode) && f->f_flags & O_APPEND)
+ ipos = inode->i_size;
+ else
+ ipos = *pos;
- if (error == 0) {
- dev = obj->my_dev;
- yaffs_gross_lock(dev);
- error = yaffs_get_xattrib(obj, name, buff, size);
- yaffs_gross_unlock(dev);
+ if (!obj)
+ yaffs_trace(YAFFS_TRACE_OS,
+ "yaffs_file_write: hey obj is null!");
+ else
+ yaffs_trace(YAFFS_TRACE_OS,
+ "yaffs_file_write about to write writing %u(%x) bytes to object %d at %d(%x)",
+ (unsigned)n, (unsigned)n, obj->obj_id, ipos, ipos);
- }
- T(YAFFS_TRACE_OS, (TSTR("yaffs_getxattr done returning %d\n"), error));
+ n_written = yaffs_wr_file(obj, buf, ipos, n, 0);
- return error;
-}
+ yaffs_touch_super(dev);
-static int yaffs_removexattr(struct dentry *dentry, const char *name)
-{
- struct inode *inode = dentry->d_inode;
- int error = 0;
- struct yaffs_dev *dev;
- struct yaffs_obj *obj = yaffs_inode_to_obj(inode);
+ yaffs_trace(YAFFS_TRACE_OS,
+ "yaffs_file_write: %d(%x) bytes written",
+ (unsigned)n, (unsigned)n);
- T(YAFFS_TRACE_OS,
- (TSTR("yaffs_removexattr of object %d\n"), obj->obj_id));
+ if (n_written > 0) {
+ ipos += n_written;
+ *pos = ipos;
+ if (ipos > inode->i_size) {
+ inode->i_size = ipos;
+ inode->i_blocks = (ipos + 511) >> 9;
- if (error == 0) {
- int result;
- dev = obj->my_dev;
- yaffs_gross_lock(dev);
- result = yaffs_remove_xattrib(obj, name);
- if (result == YAFFS_OK)
- error = 0;
- else if (result < 0)
- error = result;
- yaffs_gross_unlock(dev);
+ yaffs_trace(YAFFS_TRACE_OS,
+ "yaffs_file_write size updated to %d bytes, %d blocks",
+ ipos, (int)(inode->i_blocks));
+ }
}
- T(YAFFS_TRACE_OS,
- (TSTR("yaffs_removexattr done returning %d\n"), error));
-
- return error;
+ yaffs_gross_unlock(dev);
+ return (n_written == 0) && (n > 0) ? -ENOSPC : n_written;
}
-static ssize_t yaffs_listxattr(struct dentry * dentry, char *buff, size_t size)
+static int yaffs_write_end(struct file *filp, struct address_space *mapping,
+ loff_t pos, unsigned len, unsigned copied,
+ struct page *pg, void *fsdadata)
{
- struct inode *inode = dentry->d_inode;
- int error = 0;
- struct yaffs_dev *dev;
- struct yaffs_obj *obj = yaffs_inode_to_obj(inode);
+ int ret = 0;
+ void *addr, *kva;
+ uint32_t offset_into_page = pos & (PAGE_CACHE_SIZE - 1);
- T(YAFFS_TRACE_OS,
- (TSTR("yaffs_listxattr of object %d\n"), obj->obj_id));
+ kva = kmap(pg);
+ addr = kva + offset_into_page;
- if (error == 0) {
- dev = obj->my_dev;
- yaffs_gross_lock(dev);
- error = yaffs_list_xattrib(obj, buff, size);
- yaffs_gross_unlock(dev);
+ yaffs_trace(YAFFS_TRACE_OS,
+ "yaffs_write_end addr %p pos %x n_bytes %d",
+ addr, (unsigned)pos, copied);
+ ret = yaffs_file_write(filp, addr, copied, &pos);
+
+ if (ret != copied) {
+ yaffs_trace(YAFFS_TRACE_OS,
+ "yaffs_write_end not same size ret %d copied %d",
+ ret, copied);
+ SetPageError(pg);
}
- T(YAFFS_TRACE_OS, (TSTR("yaffs_listxattr done returning %d\n"), error));
- return error;
+ kunmap(pg);
+
+ yaffs_release_space(filp);
+ unlock_page(pg);
+ page_cache_release(pg);
+ return ret;
}
-#endif
-
static int yaffs_statfs(struct dentry *dentry, struct kstatfs *buf)
{
struct yaffs_dev *dev = yaffs_dentry_to_obj(dentry)->my_dev;
struct super_block *sb = dentry->d_sb;
- T(YAFFS_TRACE_OS, (TSTR("yaffs_statfs\n")));
+ yaffs_trace(YAFFS_TRACE_OS, "yaffs_statfs");
yaffs_gross_lock(dev);
list_for_each_entry(iptr, &sb->s_inodes, i_sb_list) {
obj = yaffs_inode_to_obj(iptr);
if (obj) {
- T(YAFFS_TRACE_OS, (TSTR("flushing obj %d\n"),
- obj->obj_id));
+ yaffs_trace(YAFFS_TRACE_OS,
+ "flushing obj %d", obj->obj_id);
yaffs_flush_file(obj, 1, 0);
}
}
unsigned gc_urgent = yaffs_bg_gc_urgency(dev);
int do_checkpoint;
- T(YAFFS_TRACE_OS | YAFFS_TRACE_SYNC | YAFFS_TRACE_BACKGROUND,
- (TSTR("yaffs_do_sync_fs: gc-urgency %d %s %s%s\n"),
- gc_urgent,
- sb->s_dirt ? "dirty" : "clean",
- request_checkpoint ? "checkpoint requested" : "no checkpoint",
- oneshot_checkpoint ? " one-shot" : ""));
+ yaffs_trace(YAFFS_TRACE_OS | YAFFS_TRACE_SYNC | YAFFS_TRACE_BACKGROUND,
+ "yaffs_do_sync_fs: gc-urgency %d %s %s%s",
+ gc_urgent,
+ sb->s_dirt ? "dirty" : "clean",
+ request_checkpoint ? "checkpoint requested" : "no checkpoint",
+ oneshot_checkpoint ? " one-shot" : "");
yaffs_gross_lock(dev);
do_checkpoint = ((request_checkpoint && !gc_urgent) ||
int gc_result;
struct timer_list timer;
- T(YAFFS_TRACE_BACKGROUND,
- (TSTR("yaffs_background starting for dev %p\n"), (void *)dev));
+ yaffs_trace(YAFFS_TRACE_BACKGROUND,
+ "yaffs_background starting for dev %p", (void *)dev);
set_freezable();
while (context->bg_running) {
- T(YAFFS_TRACE_BACKGROUND, (TSTR("yaffs_background\n")));
+ yaffs_trace(YAFFS_TRACE_BACKGROUND, "yaffs_background");
if (kthread_should_stop())
break;
{
unsigned request_checkpoint = (yaffs_auto_checkpoint >= 2);
- T(YAFFS_TRACE_OS | YAFFS_TRACE_SYNC | YAFFS_TRACE_BACKGROUND,
- (TSTR("yaffs_write_super%s\n"),
- request_checkpoint ? " checkpt" : ""));
+ yaffs_trace(YAFFS_TRACE_OS | YAFFS_TRACE_SYNC | YAFFS_TRACE_BACKGROUND,
+ "yaffs_write_super%s",
+ request_checkpoint ? " checkpt" : "");
yaffs_do_sync_fs(sb, request_checkpoint);
{
unsigned request_checkpoint = (yaffs_auto_checkpoint >= 1);
- T(YAFFS_TRACE_OS | YAFFS_TRACE_SYNC,
- (TSTR("yaffs_sync_fs%s\n"), request_checkpoint ? " checkpt" : ""));
+ yaffs_trace(YAFFS_TRACE_OS | YAFFS_TRACE_SYNC,
+ "yaffs_sync_fs%s", request_checkpoint ? " checkpt" : "");
yaffs_do_sync_fs(sb, request_checkpoint);
return 0;
}
-static struct inode *yaffs_iget(struct super_block *sb, unsigned long ino)
-{
- struct inode *inode;
- struct yaffs_obj *obj;
- struct yaffs_dev *dev = yaffs_super_to_dev(sb);
-
- T(YAFFS_TRACE_OS, (TSTR("yaffs_iget for %lu\n"), ino));
-
- inode = iget_locked(sb, ino);
- if (!inode)
- return ERR_PTR(-ENOMEM);
- if (!(inode->i_state & I_NEW))
- return inode;
-
- /* NB This is called as a side effect of other functions, but
- * we had to release the lock to prevent deadlocks, so
- * need to lock again.
- */
-
- yaffs_gross_lock(dev);
-
- obj = yaffs_find_by_number(dev, inode->i_ino);
-
- yaffs_fill_inode_from_obj(inode, obj);
-
- yaffs_gross_unlock(dev);
-
- unlock_new_inode(inode);
- return inode;
-}
static LIST_HEAD(yaffs_context_list);
struct mutex yaffs_context_lock;
-static void yaffs_put_super(struct super_block *sb)
-{
- struct yaffs_dev *dev = yaffs_super_to_dev(sb);
-
- T(YAFFS_TRACE_OS, (TSTR("yaffs_put_super\n")));
-
- T(YAFFS_TRACE_OS | YAFFS_TRACE_BACKGROUND,
- (TSTR("Shutting down yaffs background thread\n")));
- yaffs_bg_stop(dev);
- T(YAFFS_TRACE_OS | YAFFS_TRACE_BACKGROUND,
- (TSTR("yaffs background thread shut down\n")));
-
- yaffs_gross_lock(dev);
-
- yaffs_flush_super(sb, 1);
-
- if (yaffs_dev_to_lc(dev)->put_super_fn)
- yaffs_dev_to_lc(dev)->put_super_fn(sb);
-
- yaffs_deinitialise(dev);
-
- yaffs_gross_unlock(dev);
- mutex_lock(&yaffs_context_lock);
- list_del_init(&(yaffs_dev_to_lc(dev)->context_list));
- mutex_unlock(&yaffs_context_lock);
-
- if (yaffs_dev_to_lc(dev)->spare_buffer) {
- YFREE(yaffs_dev_to_lc(dev)->spare_buffer);
- yaffs_dev_to_lc(dev)->spare_buffer = NULL;
- }
-
- kfree(dev);
-}
-
-static void yaffs_mtd_put_super(struct super_block *sb)
-{
- struct mtd_info *mtd = yaffs_dev_to_mtd(yaffs_super_to_dev(sb));
-
- if (mtd->sync)
- mtd->sync(mtd);
-
- put_mtd_device(mtd);
-}
-
-static void yaffs_touch_super(struct yaffs_dev *dev)
-{
- struct super_block *sb = yaffs_dev_to_lc(dev)->super;
- T(YAFFS_TRACE_OS, (TSTR("yaffs_touch_super() sb = %p\n"), sb));
- if (sb)
- sb->s_dirt = 1;
-}
struct yaffs_options {
int inband_tags;
return error;
}
+static struct address_space_operations yaffs_file_address_operations = {
+ .readpage = yaffs_readpage,
+ .writepage = yaffs_writepage,
+ .write_begin = yaffs_write_begin,
+ .write_end = yaffs_write_end,
+};
+
+
+
+static const struct inode_operations yaffs_file_inode_operations = {
+ .setattr = yaffs_setattr,
+#ifdef CONFIG_YAFFS_XATTR
+ .setxattr = yaffs_setxattr,
+ .getxattr = yaffs_getxattr,
+ .listxattr = yaffs_listxattr,
+ .removexattr = yaffs_removexattr,
+#endif
+};
+
+static const struct inode_operations yaffs_symlink_inode_operations = {
+ .readlink = yaffs_readlink,
+ .follow_link = yaffs_follow_link,
+ .put_link = yaffs_put_link,
+ .setattr = yaffs_setattr,
+#ifdef CONFIG_YAFFS_XATTR
+ .setxattr = yaffs_setxattr,
+ .getxattr = yaffs_getxattr,
+ .listxattr = yaffs_listxattr,
+ .removexattr = yaffs_removexattr,
+#endif
+};
+
+static void yaffs_fill_inode_from_obj(struct inode *inode,
+ struct yaffs_obj *obj)
+{
+ if (inode && obj) {
+
+ /* Check mode against the variant type and attempt to repair if broken. */
+ u32 mode = obj->yst_mode;
+ switch (obj->variant_type) {
+ case YAFFS_OBJECT_TYPE_FILE:
+ if (!S_ISREG(mode)) {
+ obj->yst_mode &= ~S_IFMT;
+ obj->yst_mode |= S_IFREG;
+ }
+
+ break;
+ case YAFFS_OBJECT_TYPE_SYMLINK:
+ if (!S_ISLNK(mode)) {
+ obj->yst_mode &= ~S_IFMT;
+ obj->yst_mode |= S_IFLNK;
+ }
+
+ break;
+ case YAFFS_OBJECT_TYPE_DIRECTORY:
+ if (!S_ISDIR(mode)) {
+ obj->yst_mode &= ~S_IFMT;
+ obj->yst_mode |= S_IFDIR;
+ }
+
+ break;
+ case YAFFS_OBJECT_TYPE_UNKNOWN:
+ case YAFFS_OBJECT_TYPE_HARDLINK:
+ case YAFFS_OBJECT_TYPE_SPECIAL:
+ default:
+ /* TODO? */
+ break;
+ }
+
+ inode->i_flags |= S_NOATIME;
+
+ inode->i_ino = obj->obj_id;
+ inode->i_mode = obj->yst_mode;
+ inode->i_uid = obj->yst_uid;
+ inode->i_gid = obj->yst_gid;
+
+ inode->i_rdev = old_decode_dev(obj->yst_rdev);
+
+ inode->i_atime.tv_sec = (time_t) (obj->yst_atime);
+ inode->i_atime.tv_nsec = 0;
+ inode->i_mtime.tv_sec = (time_t) obj->yst_mtime;
+ inode->i_mtime.tv_nsec = 0;
+ inode->i_ctime.tv_sec = (time_t) obj->yst_ctime;
+ inode->i_ctime.tv_nsec = 0;
+ inode->i_size = yaffs_get_obj_length(obj);
+ inode->i_blocks = (inode->i_size + 511) >> 9;
+
+ inode->i_nlink = yaffs_get_obj_link_count(obj);
+
+ yaffs_trace(YAFFS_TRACE_OS,
+ "yaffs_fill_inode mode %x uid %d gid %d size %d count %d",
+ inode->i_mode, inode->i_uid, inode->i_gid,
+ (int)inode->i_size, atomic_read(&inode->i_count));
+
+ switch (obj->yst_mode & S_IFMT) {
+ default: /* fifo, device or socket */
+ init_special_inode(inode, obj->yst_mode,
+ old_decode_dev(obj->yst_rdev));
+ break;
+ case S_IFREG: /* file */
+ inode->i_op = &yaffs_file_inode_operations;
+ inode->i_fop = &yaffs_file_operations;
+ inode->i_mapping->a_ops =
+ &yaffs_file_address_operations;
+ break;
+ case S_IFDIR: /* directory */
+ inode->i_op = &yaffs_dir_inode_operations;
+ inode->i_fop = &yaffs_dir_operations;
+ break;
+ case S_IFLNK: /* symlink */
+ inode->i_op = &yaffs_symlink_inode_operations;
+ break;
+ }
+
+ yaffs_inode_to_obj_lv(inode) = obj;
+
+ obj->my_inode = inode;
+
+ } else {
+ yaffs_trace(YAFFS_TRACE_OS,
+ "yaffs_fill_inode invalid parameters");
+ }
+}
+
+static void yaffs_put_super(struct super_block *sb)
+{
+ struct yaffs_dev *dev = yaffs_super_to_dev(sb);
+
+ yaffs_trace(YAFFS_TRACE_OS, "yaffs_put_super");
+
+ yaffs_trace(YAFFS_TRACE_OS | YAFFS_TRACE_BACKGROUND,
+ "Shutting down yaffs background thread");
+ yaffs_bg_stop(dev);
+ yaffs_trace(YAFFS_TRACE_OS | YAFFS_TRACE_BACKGROUND,
+ "yaffs background thread shut down");
+
+ yaffs_gross_lock(dev);
+
+ yaffs_flush_super(sb, 1);
+
+ if (yaffs_dev_to_lc(dev)->put_super_fn)
+ yaffs_dev_to_lc(dev)->put_super_fn(sb);
+
+ yaffs_deinitialise(dev);
+
+ yaffs_gross_unlock(dev);
+ mutex_lock(&yaffs_context_lock);
+ list_del_init(&(yaffs_dev_to_lc(dev)->context_list));
+ mutex_unlock(&yaffs_context_lock);
+
+ if (yaffs_dev_to_lc(dev)->spare_buffer) {
+ kfree(yaffs_dev_to_lc(dev)->spare_buffer);
+ yaffs_dev_to_lc(dev)->spare_buffer = NULL;
+ }
+
+ kfree(dev);
+}
+
+static void yaffs_mtd_put_super(struct super_block *sb)
+{
+ struct mtd_info *mtd = yaffs_dev_to_mtd(yaffs_super_to_dev(sb));
+
+ if (mtd->sync)
+ mtd->sync(mtd);
+
+ put_mtd_device(mtd);
+}
+
+static const struct super_operations yaffs_super_ops = {
+ .statfs = yaffs_statfs,
+ .put_super = yaffs_put_super,
+ .evict_inode = yaffs_evict_inode,
+ .sync_fs = yaffs_sync_fs,
+ .write_super = yaffs_write_super,
+};
+
static struct super_block *yaffs_internal_read_super(int yaffs_version,
struct super_block *sb,
void *data, int silent)
sb->s_blocksize = PAGE_CACHE_SIZE;
sb->s_blocksize_bits = PAGE_CACHE_SHIFT;
- T(YAFFS_TRACE_OS,
- (TSTR("yaffs_read_super: Using yaffs%d\n"), yaffs_version));
- T(YAFFS_TRACE_OS,
- (TSTR("yaffs_read_super: block size %d\n"), (int)(sb->s_blocksize)));
+ yaffs_trace(YAFFS_TRACE_OS,
+ "yaffs_read_super: Using yaffs%d", yaffs_version);
+ yaffs_trace(YAFFS_TRACE_OS,
+ "yaffs_read_super: block size %d", (int)(sb->s_blocksize));
- T(YAFFS_TRACE_ALWAYS,
- (TSTR("yaffs: Attempting MTD mount of %u.%u,\"%s\"\n"),
- MAJOR(sb->s_dev), MINOR(sb->s_dev), yaffs_devname(sb, devname_buf)));
+ yaffs_trace(YAFFS_TRACE_ALWAYS,
+ "Attempting MTD mount of %u.%u,\"%s\"",
+ MAJOR(sb->s_dev), MINOR(sb->s_dev),
+ yaffs_devname(sb, devname_buf));
/* Check it's an mtd device..... */
if (MAJOR(sb->s_dev) != MTD_BLOCK_MAJOR)
/* Get the device */
mtd = get_mtd_device(NULL, MINOR(sb->s_dev));
if (!mtd) {
- T(YAFFS_TRACE_ALWAYS,
- (TSTR("yaffs: MTD device #%u doesn't appear to exist\n"),
- MINOR(sb->s_dev)));
+ yaffs_trace(YAFFS_TRACE_ALWAYS,
+ "MTD device #%u doesn't appear to exist",
+ MINOR(sb->s_dev));
return NULL;
}
/* Check it's NAND */
if (mtd->type != MTD_NANDFLASH) {
- T(YAFFS_TRACE_ALWAYS,
- (TSTR("yaffs: MTD device is not NAND it's type %d\n"),
- mtd->type));
+ yaffs_trace(YAFFS_TRACE_ALWAYS,
+ "MTD device is not NAND it's type %d",
+ mtd->type);
return NULL;
}
- T(YAFFS_TRACE_OS, (TSTR(" erase %p\n"), mtd->erase));
- T(YAFFS_TRACE_OS, (TSTR(" read %p\n"), mtd->read));
- T(YAFFS_TRACE_OS, (TSTR(" write %p\n"), mtd->write));
- T(YAFFS_TRACE_OS, (TSTR(" readoob %p\n"), mtd->read_oob));
- T(YAFFS_TRACE_OS, (TSTR(" writeoob %p\n"), mtd->write_oob));
- T(YAFFS_TRACE_OS, (TSTR(" block_isbad %p\n"), mtd->block_isbad));
- T(YAFFS_TRACE_OS, (TSTR(" block_markbad %p\n"), mtd->block_markbad));
- T(YAFFS_TRACE_OS, (TSTR(" %s %d\n"), WRITE_SIZE_STR, WRITE_SIZE(mtd)));
- T(YAFFS_TRACE_OS, (TSTR(" oobsize %d\n"), mtd->oobsize));
- T(YAFFS_TRACE_OS, (TSTR(" erasesize %d\n"), mtd->erasesize));
- T(YAFFS_TRACE_OS, (TSTR(" size %lld\n"), mtd->size));
+ yaffs_trace(YAFFS_TRACE_OS, " erase %p", mtd->erase);
+ yaffs_trace(YAFFS_TRACE_OS, " read %p", mtd->read);
+ yaffs_trace(YAFFS_TRACE_OS, " write %p", mtd->write);
+ yaffs_trace(YAFFS_TRACE_OS, " readoob %p", mtd->read_oob);
+ yaffs_trace(YAFFS_TRACE_OS, " writeoob %p", mtd->write_oob);
+ yaffs_trace(YAFFS_TRACE_OS, " block_isbad %p", mtd->block_isbad);
+ yaffs_trace(YAFFS_TRACE_OS, " block_markbad %p", mtd->block_markbad);
+ yaffs_trace(YAFFS_TRACE_OS, " %s %d", WRITE_SIZE_STR, WRITE_SIZE(mtd));
+ yaffs_trace(YAFFS_TRACE_OS, " oobsize %d", mtd->oobsize);
+ yaffs_trace(YAFFS_TRACE_OS, " erasesize %d", mtd->erasesize);
+ yaffs_trace(YAFFS_TRACE_OS, " size %lld", mtd->size);
#ifdef CONFIG_YAFFS_AUTO_YAFFS2
if (yaffs_version == 1 && WRITE_SIZE(mtd) >= 2048) {
- T(YAFFS_TRACE_ALWAYS, (TSTR("yaffs: auto selecting yaffs2\n")));
+ yaffs_trace(YAFFS_TRACE_ALWAYS, "auto selecting yaffs2");
yaffs_version = 2;
}
/* Added NCB 26/5/2006 for completeness */
if (yaffs_version == 2 && !options.inband_tags
&& WRITE_SIZE(mtd) == 512) {
- T(YAFFS_TRACE_ALWAYS, (TSTR("yaffs: auto selecting yaffs1\n")));
+ yaffs_trace(YAFFS_TRACE_ALWAYS, "auto selecting yaffs1");
yaffs_version = 1;
}
#endif
!mtd->block_markbad ||
!mtd->read ||
!mtd->write || !mtd->read_oob || !mtd->write_oob) {
- T(YAFFS_TRACE_ALWAYS,
- (TSTR("yaffs: MTD device does not support required "
- "functions\n")));
+ yaffs_trace(YAFFS_TRACE_ALWAYS,
+ "MTD device does not support required functions");
return NULL;
}
if ((WRITE_SIZE(mtd) < YAFFS_MIN_YAFFS2_CHUNK_SIZE ||
mtd->oobsize < YAFFS_MIN_YAFFS2_SPARE_SIZE) &&
!options.inband_tags) {
- T(YAFFS_TRACE_ALWAYS,
- (TSTR("yaffs: MTD device does not have the "
- "right page sizes\n")));
+ yaffs_trace(YAFFS_TRACE_ALWAYS,
+ "MTD device does not have the right page sizes");
return NULL;
}
} else {
if (!mtd->erase ||
!mtd->read ||
!mtd->write || !mtd->read_oob || !mtd->write_oob) {
- T(YAFFS_TRACE_ALWAYS,
- (TSTR("yaffs: MTD device does not support required "
- "functions\n")));
+ yaffs_trace(YAFFS_TRACE_ALWAYS,
+ "MTD device does not support required functions");
return NULL;
}
if (WRITE_SIZE(mtd) < YAFFS_BYTES_PER_CHUNK ||
mtd->oobsize != YAFFS_BYTES_PER_SPARE) {
- T(YAFFS_TRACE_ALWAYS,
- (TSTR("yaffs: MTD device does not support have the "
- "right page sizes\n")));
+ yaffs_trace(YAFFS_TRACE_ALWAYS,
+ "MTD device does not support have the right page sizes");
return NULL;
}
}
if (!dev) {
/* Deep shit could not allocate device structure */
- T(YAFFS_TRACE_ALWAYS,
- (TSTR("yaffs_read_super: Failed trying to allocate "
- "struct yaffs_dev. \n")));
+ yaffs_trace(YAFFS_TRACE_ALWAYS,
+ "yaffs_read_super failed trying to allocate yaffs_dev");
return NULL;
}
memset(dev, 0, sizeof(struct yaffs_dev));
param->read_chunk_tags_fn = nandmtd2_read_chunk_tags;
param->bad_block_fn = nandmtd2_mark_block_bad;
param->query_block_fn = nandmtd2_query_block;
- yaffs_dev_to_lc(dev)->spare_buffer = YMALLOC(mtd->oobsize);
+ yaffs_dev_to_lc(dev)->spare_buffer =
+ kmalloc(mtd->oobsize, GFP_NOFS);
param->is_yaffs2 = 1;
param->total_bytes_per_chunk = mtd->writesize;
param->chunks_per_block = mtd->erasesize / mtd->writesize;
err = yaffs_guts_initialise(dev);
- T(YAFFS_TRACE_OS,
- (TSTR("yaffs_read_super: guts initialised %s\n"),
- (err == YAFFS_OK) ? "OK" : "FAILED"));
+ yaffs_trace(YAFFS_TRACE_OS,
+ "yaffs_read_super: guts initialised %s",
+ (err == YAFFS_OK) ? "OK" : "FAILED");
if (err == YAFFS_OK)
yaffs_bg_start(dev);
inode->i_op = &yaffs_dir_inode_operations;
inode->i_fop = &yaffs_dir_operations;
- T(YAFFS_TRACE_OS, (TSTR("yaffs_read_super: got root inode\n")));
+ yaffs_trace(YAFFS_TRACE_OS, "yaffs_read_super: got root inode");
root = d_alloc_root(inode);
- T(YAFFS_TRACE_OS, (TSTR("yaffs_read_super: d_alloc_root done\n")));
+ yaffs_trace(YAFFS_TRACE_OS, "yaffs_read_super: d_alloc_root done");
if (!root) {
iput(inode);
}
sb->s_root = root;
sb->s_dirt = !dev->is_checkpointed;
- T(YAFFS_TRACE_ALWAYS,
- (TSTR("yaffs_read_super: is_checkpointed %d\n"),
- dev->is_checkpointed));
+ yaffs_trace(YAFFS_TRACE_ALWAYS,
+ "yaffs_read_super: is_checkpointed %d",
+ dev->is_checkpointed);
- T(YAFFS_TRACE_OS, (TSTR("yaffs_read_super: done\n")));
+ yaffs_trace(YAFFS_TRACE_OS, "yaffs_read_super: done");
return sb;
}
static char *yaffs_dump_dev_part0(char *buf, struct yaffs_dev *dev)
{
- buf +=
- sprintf(buf, "start_block........... %d\n", dev->param.start_block);
- buf +=
- sprintf(buf, "end_block............. %d\n", dev->param.end_block);
- buf +=
- sprintf(buf, "total_bytes_per_chunk. %d\n",
- dev->param.total_bytes_per_chunk);
- buf +=
- sprintf(buf, "use_nand_ecc.......... %d\n",
- dev->param.use_nand_ecc);
- buf +=
- sprintf(buf, "no_tags_ecc........... %d\n", dev->param.no_tags_ecc);
- buf +=
- sprintf(buf, "is_yaffs2............. %d\n", dev->param.is_yaffs2);
- buf +=
- sprintf(buf, "inband_tags........... %d\n", dev->param.inband_tags);
- buf +=
- sprintf(buf, "empty_lost_n_found.... %d\n",
- dev->param.empty_lost_n_found);
- buf +=
- sprintf(buf, "disable_lazy_load..... %d\n",
- dev->param.disable_lazy_load);
- buf +=
- sprintf(buf, "refresh_period........ %d\n",
- dev->param.refresh_period);
- buf += sprintf(buf, "n_caches.............. %d\n", dev->param.n_caches);
- buf +=
- sprintf(buf, "n_reserved_blocks..... %d\n",
- dev->param.n_reserved_blocks);
- buf +=
- sprintf(buf, "always_check_erased... %d\n",
- dev->param.always_check_erased);
-
- buf += sprintf(buf, "\n");
+ struct yaffs_param *param = &dev->param;
+ buf += sprintf(buf, "start_block........... %d\n", param->start_block);
+ buf += sprintf(buf, "end_block............. %d\n", param->end_block);
+ buf += sprintf(buf, "total_bytes_per_chunk. %d\n",
+ param->total_bytes_per_chunk);
+ buf += sprintf(buf, "use_nand_ecc.......... %d\n",
+ param->use_nand_ecc);
+ buf += sprintf(buf, "no_tags_ecc........... %d\n", param->no_tags_ecc);
+ buf += sprintf(buf, "is_yaffs2............. %d\n", param->is_yaffs2);
+ buf += sprintf(buf, "inband_tags........... %d\n", param->inband_tags);
+ buf += sprintf(buf, "empty_lost_n_found.... %d\n",
+ param->empty_lost_n_found);
+ buf += sprintf(buf, "disable_lazy_load..... %d\n",
+ param->disable_lazy_load);
+ buf += sprintf(buf, "refresh_period........ %d\n",
+ param->refresh_period);
+ buf += sprintf(buf, "n_caches.............. %d\n", param->n_caches);
+ buf += sprintf(buf, "n_reserved_blocks..... %d\n",
+ param->n_reserved_blocks);
+ buf += sprintf(buf, "always_check_erased... %d\n",
+ param->always_check_erased);
return buf;
}
int error = 0;
struct file_system_to_install *fsinst;
- T(YAFFS_TRACE_ALWAYS,
- (TSTR("yaffs built " __DATE__ " " __TIME__ " Installing. \n")));
+ yaffs_trace(YAFFS_TRACE_ALWAYS,
+ "yaffs built " __DATE__ " " __TIME__ " Installing.");
#ifdef CONFIG_YAFFS_ALWAYS_CHECK_CHUNK_ERASED
- T(YAFFS_TRACE_ALWAYS,
- (TSTR
- (" \n\n\n\nYAFFS-WARNING CONFIG_YAFFS_ALWAYS_CHECK_CHUNK_ERASED selected.\n\n\n\n")));
+ yaffs_trace(YAFFS_TRACE_ALWAYS,
+ "\n\nYAFFS-WARNING CONFIG_YAFFS_ALWAYS_CHECK_CHUNK_ERASED selected.\n\n\n");
#endif
mutex_init(&yaffs_context_lock);
struct file_system_to_install *fsinst;
- T(YAFFS_TRACE_ALWAYS,
- (TSTR("yaffs built " __DATE__ " " __TIME__ " removing. \n")));
+ yaffs_trace(YAFFS_TRACE_ALWAYS,
+ "yaffs built " __DATE__ " " __TIME__ " removing.");
remove_proc_entry("yaffs", YPROC_ROOT);
u8 *chunk_data;
- T(YAFFS_TRACE_SCAN,
- (TSTR("yaffs1_scan starts intstartblk %d intendblk %d..." TENDSTR),
- dev->internal_start_block, dev->internal_end_block));
+ yaffs_trace(YAFFS_TRACE_SCAN,
+ "yaffs1_scan starts intstartblk %d intendblk %d...",
+ dev->internal_start_block, dev->internal_end_block);
chunk_data = yaffs_get_temp_buffer(dev, __LINE__);
if (bi->seq_number == YAFFS_SEQUENCE_BAD_BLOCK)
bi->block_state = state = YAFFS_BLOCK_STATE_DEAD;
- T(YAFFS_TRACE_SCAN_DEBUG,
- (TSTR("Block scanning block %d state %d seq %d" TENDSTR), blk,
- state, seq_number));
+ yaffs_trace(YAFFS_TRACE_SCAN_DEBUG,
+ "Block scanning block %d state %d seq %d",
+ blk, state, seq_number);
if (state == YAFFS_BLOCK_STATE_DEAD) {
- T(YAFFS_TRACE_BAD_BLOCKS,
- (TSTR("block %d is bad" TENDSTR), blk));
+ yaffs_trace(YAFFS_TRACE_BAD_BLOCKS,
+ "block %d is bad", blk);
} else if (state == YAFFS_BLOCK_STATE_EMPTY) {
- T(YAFFS_TRACE_SCAN_DEBUG,
- (TSTR("Block empty " TENDSTR)));
+ yaffs_trace(YAFFS_TRACE_SCAN_DEBUG, "Block empty ");
dev->n_erased_blocks++;
dev->n_free_chunks += dev->param.chunks_per_block;
}
for (blk = dev->internal_start_block;
!alloc_failed && blk <= dev->internal_end_block; blk++) {
- YYIELD();
+ cond_resched();
bi = yaffs_get_block_info(dev, blk);
state = bi->block_state;
dev->n_erased_blocks++;
} else {
/* this is the block being allocated from */
- T(YAFFS_TRACE_SCAN,
- (TSTR
- (" Allocating from %d %d" TENDSTR),
- blk, c));
+ yaffs_trace(YAFFS_TRACE_SCAN,
+ " Allocating from %d %d",
+ blk, c);
state = YAFFS_BLOCK_STATE_ALLOCATING;
dev->alloc_block = blk;
dev->alloc_page = c;
struct yaffs_shadow_fixer *fixer;
fixer =
- YMALLOC(sizeof
- (struct
- yaffs_shadow_fixer));
+ kmalloc(sizeof
+ (struct yaffs_shadow_fixer),
+ GFP_NOFS);
if (fixer) {
fixer->next = shadow_fixers;
shadow_fixers = fixer;
fixer->obj_id = tags.obj_id;
fixer->shadowed_id =
oh->shadows_obj;
- T(YAFFS_TRACE_SCAN,
- (TSTR
- (" Shadow fixer: %d shadows %d"
- TENDSTR), fixer->obj_id,
- fixer->shadowed_id));
+ yaffs_trace(YAFFS_TRACE_SCAN,
+ " Shadow fixer: %d shadows %d",
+ fixer->obj_id,
+ fixer->shadowed_id);
}
* We're trying to use a non-directory as a directory
*/
- T(YAFFS_TRACE_ERROR,
- (TSTR
- ("yaffs tragedy: attempting to use non-directory as a directory in scan. Put in lost+found."
- TENDSTR)));
+ yaffs_trace(YAFFS_TRACE_ERROR,
+ "yaffs tragedy: attempting to use non-directory as a directory in scan. Put in lost+found."
+ );
parent = dev->lost_n_found;
}
if (obj)
yaffs_update_oh(obj, NULL, 1, 0, 0, NULL);
- YFREE(fixer);
+ kfree(fixer);
}
}
if (alloc_failed)
return YAFFS_FAIL;
- T(YAFFS_TRACE_SCAN, (TSTR("yaffs1_scan ends" TENDSTR)));
+ yaffs_trace(YAFFS_TRACE_SCAN, "yaffs1_scan ends");
return YAFFS_OK;
}
}
if (oldest > 0) {
- T(YAFFS_TRACE_GC,
- (TSTR
- ("GC refresh count %d selected block %d with seq_number %d"
- TENDSTR), dev->refresh_count, oldest, oldest_seq));
+ yaffs_trace(YAFFS_TRACE_GC,
+ "GC refresh count %d selected block %d with seq_number %d",
+ dev->refresh_count, oldest, oldest_seq);
}
return oldest;
struct yaffs_obj *parent;
if (obj->variant_type != cp->variant_type) {
- T(YAFFS_TRACE_ERROR, (TSTR("Checkpoint read object %d type %d "
- TCONT
- ("chunk %d does not match existing object type %d")
- TENDSTR), cp->obj_id,
- cp->variant_type, cp->hdr_chunk,
- obj->variant_type));
+ yaffs_trace(YAFFS_TRACE_ERROR,
+ "Checkpoint read object %d type %d chunk %d does not match existing object type %d",
+ cp->obj_id, cp->variant_type, cp->hdr_chunk,
+ obj->variant_type);
return 0;
}
if (parent) {
if (parent->variant_type != YAFFS_OBJECT_TYPE_DIRECTORY) {
- T(YAFFS_TRACE_ALWAYS,
- (TSTR
- ("Checkpoint read object %d parent %d type %d"
- TCONT(" chunk %d Parent type, %d, not directory")
- TENDSTR), cp->obj_id, cp->parent_id,
- cp->variant_type, cp->hdr_chunk,
- parent->variant_type));
+ yaffs_trace(YAFFS_TRACE_ALWAYS,
+ "Checkpoint read object %d parent %d type %d chunk %d Parent type, %d, not directory",
+ cp->obj_id, cp->parent_id,
+ cp->variant_type, cp->hdr_chunk,
+ parent->variant_type);
return 0;
}
yaffs_add_obj_to_dir(parent, obj);
}
- T(YAFFS_TRACE_CHECKPOINT,
- (TSTR("Checkpoint read tnodes %d records, last %d. ok %d" TENDSTR),
- nread, base_chunk, ok));
+ yaffs_trace(YAFFS_TRACE_CHECKPOINT,
+ "Checkpoint read tnodes %d records, last %d. ok %d",
+ nread, base_chunk, ok);
return ok ? 1 : 0;
}
yaffs2_obj_checkpt_obj(&cp, obj);
cp.struct_type = sizeof(cp);
- T(YAFFS_TRACE_CHECKPOINT,
- (TSTR
- ("Checkpoint write object %d parent %d type %d chunk %d obj addr %p"
- TENDSTR), cp.obj_id, cp.parent_id,
- cp.variant_type, cp.hdr_chunk, obj));
+ yaffs_trace(YAFFS_TRACE_CHECKPOINT,
+ "Checkpoint write object %d parent %d type %d chunk %d obj addr %p",
+ cp.obj_id, cp.parent_id,
+ cp.variant_type, cp.hdr_chunk, obj);
ok = (yaffs2_checkpt_wr
(dev, &cp,
while (ok && !done) {
ok = (yaffs2_checkpt_rd(dev, &cp, sizeof(cp)) == sizeof(cp));
if (cp.struct_type != sizeof(cp)) {
- T(YAFFS_TRACE_CHECKPOINT,
- (TSTR("struct size %d instead of %d ok %d" TENDSTR),
- cp.struct_type, (int)sizeof(cp), ok));
+ yaffs_trace(YAFFS_TRACE_CHECKPOINT,
+ "struct size %d instead of %d ok %d",
+ cp.struct_type, (int)sizeof(cp), ok);
ok = 0;
}
- T(YAFFS_TRACE_CHECKPOINT,
- (TSTR
- ("Checkpoint read object %d parent %d type %d chunk %d "
- TENDSTR), cp.obj_id, cp.parent_id, cp.variant_type,
- cp.hdr_chunk));
+ yaffs_trace(YAFFS_TRACE_CHECKPOINT,
+ "Checkpoint read object %d parent %d type %d chunk %d ",
+ cp.obj_id, cp.parent_id, cp.variant_type,
+ cp.hdr_chunk);
if (ok && cp.obj_id == ~0) {
done = 1;
int ok = 1;
if (!yaffs2_checkpt_required(dev)) {
- T(YAFFS_TRACE_CHECKPOINT,
- (TSTR("skipping checkpoint write" TENDSTR)));
+ yaffs_trace(YAFFS_TRACE_CHECKPOINT,
+ "skipping checkpoint write");
ok = 0;
}
ok = yaffs2_checkpt_open(dev, 1);
if (ok) {
- T(YAFFS_TRACE_CHECKPOINT,
- (TSTR("write checkpoint validity" TENDSTR)));
+ yaffs_trace(YAFFS_TRACE_CHECKPOINT,
+ "write checkpoint validity");
ok = yaffs2_wr_checkpt_validity_marker(dev, 1);
}
if (ok) {
- T(YAFFS_TRACE_CHECKPOINT,
- (TSTR("write checkpoint device" TENDSTR)));
+ yaffs_trace(YAFFS_TRACE_CHECKPOINT,
+ "write checkpoint device");
ok = yaffs2_wr_checkpt_dev(dev);
}
if (ok) {
- T(YAFFS_TRACE_CHECKPOINT,
- (TSTR("write checkpoint objects" TENDSTR)));
+ yaffs_trace(YAFFS_TRACE_CHECKPOINT,
+ "write checkpoint objects");
ok = yaffs2_wr_checkpt_objs(dev);
}
if (ok) {
- T(YAFFS_TRACE_CHECKPOINT,
- (TSTR("write checkpoint validity" TENDSTR)));
+ yaffs_trace(YAFFS_TRACE_CHECKPOINT,
+ "write checkpoint validity");
ok = yaffs2_wr_checkpt_validity_marker(dev, 0);
}
ok = 0;
if (ok && dev->param.skip_checkpt_rd) {
- T(YAFFS_TRACE_CHECKPOINT,
- (TSTR("skipping checkpoint read" TENDSTR)));
+ yaffs_trace(YAFFS_TRACE_CHECKPOINT,
+ "skipping checkpoint read");
ok = 0;
}
if (ok)
- ok = yaffs2_checkpt_open(dev, 0); /* open for read */
+ ok = yaffs2_checkpt_open(dev, 0); /* open for read */
if (ok) {
- T(YAFFS_TRACE_CHECKPOINT,
- (TSTR("read checkpoint validity" TENDSTR)));
+ yaffs_trace(YAFFS_TRACE_CHECKPOINT,
+ "read checkpoint validity");
ok = yaffs2_rd_checkpt_validity_marker(dev, 1);
}
if (ok) {
- T(YAFFS_TRACE_CHECKPOINT,
- (TSTR("read checkpoint device" TENDSTR)));
+ yaffs_trace(YAFFS_TRACE_CHECKPOINT,
+ "read checkpoint device");
ok = yaffs2_rd_checkpt_dev(dev);
}
if (ok) {
- T(YAFFS_TRACE_CHECKPOINT,
- (TSTR("read checkpoint objects" TENDSTR)));
+ yaffs_trace(YAFFS_TRACE_CHECKPOINT,
+ "read checkpoint objects");
ok = yaffs2_rd_checkpt_objs(dev);
}
if (ok) {
- T(YAFFS_TRACE_CHECKPOINT,
- (TSTR("read checkpoint validity" TENDSTR)));
+ yaffs_trace(YAFFS_TRACE_CHECKPOINT,
+ "read checkpoint validity");
ok = yaffs2_rd_checkpt_validity_marker(dev, 0);
}
if (ok) {
ok = yaffs2_rd_checkpt_sum(dev);
- T(YAFFS_TRACE_CHECKPOINT,
- (TSTR("read checkpoint checksum %d" TENDSTR), ok));
+ yaffs_trace(YAFFS_TRACE_CHECKPOINT,
+ "read checkpoint checksum %d", ok);
}
if (!yaffs_checkpt_close(dev))
int yaffs_checkpoint_save(struct yaffs_dev *dev)
{
- T(YAFFS_TRACE_CHECKPOINT,
- (TSTR("save entry: is_checkpointed %d" TENDSTR),
- dev->is_checkpointed));
+ yaffs_trace(YAFFS_TRACE_CHECKPOINT,
+ "save entry: is_checkpointed %d",
+ dev->is_checkpointed);
yaffs_verify_objects(dev);
yaffs_verify_blocks(dev);
yaffs2_wr_checkpt_data(dev);
}
- T(YAFFS_TRACE_CHECKPOINT | YAFFS_TRACE_MOUNT,
- (TSTR("save exit: is_checkpointed %d" TENDSTR),
- dev->is_checkpointed));
+ yaffs_trace(YAFFS_TRACE_CHECKPOINT | YAFFS_TRACE_MOUNT,
+ "save exit: is_checkpointed %d",
+ dev->is_checkpointed);
return dev->is_checkpointed;
}
int yaffs2_checkpt_restore(struct yaffs_dev *dev)
{
int retval;
- T(YAFFS_TRACE_CHECKPOINT,
- (TSTR("restore entry: is_checkpointed %d" TENDSTR),
- dev->is_checkpointed));
+ yaffs_trace(YAFFS_TRACE_CHECKPOINT,
+ "restore entry: is_checkpointed %d",
+ dev->is_checkpointed);
retval = yaffs2_rd_checkpt_data(dev);
yaffs_verify_free_chunks(dev);
}
- T(YAFFS_TRACE_CHECKPOINT,
- (TSTR("restore exit: is_checkpointed %d" TENDSTR),
- dev->is_checkpointed));
+ yaffs_trace(YAFFS_TRACE_CHECKPOINT,
+ "restore exit: is_checkpointed %d",
+ dev->is_checkpointed);
return retval;
}
struct yaffs_block_index *block_index = NULL;
int alt_block_index = 0;
- T(YAFFS_TRACE_SCAN,
- (TSTR
- ("yaffs2_scan_backwards starts intstartblk %d intendblk %d..."
- TENDSTR), dev->internal_start_block, dev->internal_end_block));
+ yaffs_trace(YAFFS_TRACE_SCAN,
+ "yaffs2_scan_backwards starts intstartblk %d intendblk %d...",
+ dev->internal_start_block, dev->internal_end_block);
dev->seq_number = YAFFS_LOWEST_SEQUENCE_NUMBER;
- block_index = YMALLOC(n_blocks * sizeof(struct yaffs_block_index));
+ block_index = kmalloc(n_blocks * sizeof(struct yaffs_block_index),
+ GFP_NOFS);
if (!block_index) {
block_index =
- YMALLOC_ALT(n_blocks * sizeof(struct yaffs_block_index));
+ vmalloc(n_blocks * sizeof(struct yaffs_block_index));
alt_block_index = 1;
}
if (!block_index) {
- T(YAFFS_TRACE_SCAN,
- (TSTR
- ("yaffs2_scan_backwards() could not allocate block index!"
- TENDSTR)));
+ yaffs_trace(YAFFS_TRACE_SCAN,
+ "yaffs2_scan_backwards() could not allocate block index!"
+ );
return YAFFS_FAIL;
}
if (bi->seq_number == YAFFS_SEQUENCE_BAD_BLOCK)
bi->block_state = state = YAFFS_BLOCK_STATE_DEAD;
- T(YAFFS_TRACE_SCAN_DEBUG,
- (TSTR("Block scanning block %d state %d seq %d" TENDSTR), blk,
- state, seq_number));
+ yaffs_trace(YAFFS_TRACE_SCAN_DEBUG,
+ "Block scanning block %d state %d seq %d",
+ blk, state, seq_number);
if (state == YAFFS_BLOCK_STATE_CHECKPOINT) {
dev->blocks_in_checkpt++;
} else if (state == YAFFS_BLOCK_STATE_DEAD) {
- T(YAFFS_TRACE_BAD_BLOCKS,
- (TSTR("block %d is bad" TENDSTR), blk));
+ yaffs_trace(YAFFS_TRACE_BAD_BLOCKS,
+ "block %d is bad", blk);
} else if (state == YAFFS_BLOCK_STATE_EMPTY) {
- T(YAFFS_TRACE_SCAN_DEBUG,
- (TSTR("Block empty " TENDSTR)));
+ yaffs_trace(YAFFS_TRACE_SCAN_DEBUG, "Block empty ");
dev->n_erased_blocks++;
dev->n_free_chunks += dev->param.chunks_per_block;
} else if (state == YAFFS_BLOCK_STATE_NEEDS_SCANNING) {
dev->seq_number = seq_number;
} else {
/* TODO: Nasty sequence number! */
- T(YAFFS_TRACE_SCAN,
- (TSTR
- ("Block scanning block %d has bad sequence number %d"
- TENDSTR), blk, seq_number));
+ yaffs_trace(YAFFS_TRACE_SCAN,
+ "Block scanning block %d has bad sequence number %d",
+ blk, seq_number);
}
}
bi++;
}
- T(YAFFS_TRACE_SCAN,
- (TSTR("%d blocks to be sorted..." TENDSTR), n_to_scan));
+ yaffs_trace(YAFFS_TRACE_SCAN, "%d blocks to be sorted...", n_to_scan);
- YYIELD();
+ cond_resched();
/* Sort the blocks by sequence number */
- yaffs_sort(block_index, n_to_scan, sizeof(struct yaffs_block_index),
- yaffs2_ybicmp);
+ sort(block_index, n_to_scan, sizeof(struct yaffs_block_index),
+ yaffs2_ybicmp, NULL);
- YYIELD();
+ cond_resched();
- T(YAFFS_TRACE_SCAN, (TSTR("...done" TENDSTR)));
+ yaffs_trace(YAFFS_TRACE_SCAN, "...done");
/* Now scan the blocks looking at the data. */
start_iter = 0;
end_iter = n_to_scan - 1;
- T(YAFFS_TRACE_SCAN_DEBUG,
- (TSTR("%d blocks to be scanned" TENDSTR), n_to_scan));
+ yaffs_trace(YAFFS_TRACE_SCAN_DEBUG, "%d blocks to scan", n_to_scan);
/* For each block.... backwards */
for (block_iter = end_iter; !alloc_failed && block_iter >= start_iter;
block_iter--) {
/* Cooperative multitasking! This loop can run for so
long that watchdog timers expire. */
- YYIELD();
+ cond_resched();
/* get the block to scan in the correct order */
blk = block_index[block_iter].block;
bi->seq_number) {
/* this is the block being allocated from */
- T(YAFFS_TRACE_SCAN,
- (TSTR
- (" Allocating from %d %d"
- TENDSTR), blk, c));
+ yaffs_trace(YAFFS_TRACE_SCAN,
+ " Allocating from %d %d",
+ blk, c);
state =
YAFFS_BLOCK_STATE_ALLOCATING;
* the current allocation block.
*/
- T(YAFFS_TRACE_SCAN,
- (TSTR
- ("Partially written block %d detected"
- TENDSTR), blk));
+ yaffs_trace(YAFFS_TRACE_SCAN,
+ "Partially written block %d detected",
+ blk);
}
}
}
dev->n_free_chunks++;
} else if (tags.ecc_result == YAFFS_ECC_RESULT_UNFIXED) {
- T(YAFFS_TRACE_SCAN,
- (TSTR
- (" Unfixed ECC in chunk(%d:%d), chunk ignored"
- TENDSTR), blk, c));
+ yaffs_trace(YAFFS_TRACE_SCAN,
+ " Unfixed ECC in chunk(%d:%d), chunk ignored",
+ blk, c);
dev->n_free_chunks++;
(tags.chunk_id > 0
&& tags.n_bytes > dev->data_bytes_per_chunk)
|| tags.seq_number != bi->seq_number) {
- T(YAFFS_TRACE_SCAN,
- (TSTR
- ("Chunk (%d:%d) with bad tags:obj = %d, chunk_id = %d, n_bytes = %d, ignored"
- TENDSTR), blk, c, tags.obj_id,
- tags.chunk_id, tags.n_bytes));
+ yaffs_trace(YAFFS_TRACE_SCAN,
+ "Chunk (%d:%d) with bad tags:obj = %d, chunk_id = %d, n_bytes = %d, ignored",
+ blk, c, tags.obj_id,
+ tags.chunk_id, tags.n_bytes);
dev->n_free_chunks++;
if (!in) {
/* TODO Hoosterman we have a problem! */
- T(YAFFS_TRACE_ERROR,
- (TSTR
- ("yaffs tragedy: Could not make object for object %d at chunk %d during scan"
- TENDSTR), tags.obj_id, chunk));
+ yaffs_trace(YAFFS_TRACE_ERROR,
+ "yaffs tragedy: Could not make object for object %d at chunk %d during scan",
+ tags.obj_id, chunk);
continue;
}
if (!in->valid && in->variant_type !=
(oh ? oh->type : tags.extra_obj_type))
- T(YAFFS_TRACE_ERROR,
- (TSTR
- ("yaffs tragedy: Bad object type, "
- TCONT
- ("%d != %d, for object %d at chunk ")
- TCONT("%d during scan")
- TENDSTR), oh ?
- oh->type : tags.extra_obj_type,
- in->variant_type, tags.obj_id,
- chunk));
+ yaffs_trace(YAFFS_TRACE_ERROR,
+ "yaffs tragedy: Bad object type, %d != %d, for object %d at chunk %d during scan",
+ oh ?
+ oh->type : tags.extra_obj_type,
+ in->variant_type, tags.obj_id,
+ chunk);
if (!in->valid &&
(tags.obj_id == YAFFS_OBJECTID_ROOT ||
* We're trying to use a non-directory as a directory
*/
- T(YAFFS_TRACE_ERROR,
- (TSTR
- ("yaffs tragedy: attempting to use non-directory as a directory in scan. Put in lost+found."
- TENDSTR)));
+ yaffs_trace(YAFFS_TRACE_ERROR,
+ "yaffs tragedy: attempting to use non-directory as a directory in scan. Put in lost+found."
+ );
parent = dev->lost_n_found;
}
yaffs_skip_rest_of_block(dev);
if (alt_block_index)
- YFREE_ALT(block_index);
+ vfree(block_index);
else
- YFREE(block_index);
+ kfree(block_index);
/* Ok, we've done all the scanning.
* Fix up the hard link chains.
if (alloc_failed)
return YAFFS_FAIL;
- T(YAFFS_TRACE_SCAN, (TSTR("yaffs2_scan_backwards ends" TENDSTR)));
+ yaffs_trace(YAFFS_TRACE_SCAN, "yaffs2_scan_backwards ends");
return YAFFS_OK;
}
#define MTD_VERSION(a, b, c) (((a) << 16) + ((b) << 8) + (c))
-#if defined CONFIG_YAFFS_WINCE
-
-#include "ywinceenv.h"
-
-#elif defined __KERNEL__
-
#include "moduleconfig.h"
-/* Linux kernel */
-
#include <linux/version.h>
#define MTD_VERSION_CODE LINUX_VERSION_CODE
#define YCHAR char
#define YUCHAR unsigned char
#define _Y(x) x
-#define yaffs_strcat(a, b) strcat(a, b)
-#define yaffs_strcpy(a, b) strcpy(a, b)
-#define yaffs_strncpy(a, b, c) strncpy(a, b, c)
-#define yaffs_strncmp(a, b, c) strncmp(a, b, c)
-#define yaffs_strnlen(s,m) strnlen(s,m)
-#define yaffs_sprintf sprintf
-#define yaffs_toupper(a) toupper(a)
-#define yaffs_sort(base, n, sz, cmp_fn) sort(base, n, sz, cmp_fn, NULL)
-
-#define Y_INLINE __inline__
#define YAFFS_LOSTNFOUND_NAME "lost+found"
#define YAFFS_LOSTNFOUND_PREFIX "obj"
-/* #define YPRINTF(x) printk x */
-#define YMALLOC(x) kmalloc(x, GFP_NOFS)
-#define YFREE(x) kfree(x)
-#define YMALLOC_ALT(x) vmalloc(x)
-#define YFREE_ALT(x) vfree(x)
-#define YMALLOC_DMA(x) YMALLOC(x)
-
-#define YYIELD() schedule()
-#define Y_DUMP_STACK() dump_stack()
#define YAFFS_ROOT_MODE 0755
#define YAFFS_LOSTNFOUND_MODE 0700
#define Y_TIME_CONVERT(x) (x)
#endif
-#define yaffs_sum_cmp(x, y) ((x) == (y))
-#define yaffs_strcmp(a, b) strcmp(a, b)
-
-#define TENDSTR "\n"
-#define TSTR(x) KERN_DEBUG x
-#define TCONT(x) x
-#define TOUT(p) printk p
-
#define compile_time_assertion(assertion) \
({ int x = __builtin_choose_expr(assertion, 0, (void)0); (void) x; })
-#elif defined CONFIG_YAFFS_DIRECT
-
-#define MTD_VERSION_CODE MTD_VERSION(2, 6, 22)
-
-/* Direct interface */
-#include "ydirectenv.h"
-
-#elif defined CONFIG_YAFFS_UTIL
-
-/* Stuff for YAFFS utilities */
-
-#include "stdlib.h"
-#include "stdio.h"
-#include "string.h"
-
-#define YMALLOC(x) malloc(x)
-#define YFREE(x) free(x)
-#define YMALLOC_ALT(x) malloc(x)
-#define YFREE_ALT(x) free(x)
-
-#define YCHAR char
-#define YUCHAR unsigned char
-#define _Y(x) x
-#define yaffs_strcat(a, b) strcat(a, b)
-#define yaffs_strcpy(a, b) strcpy(a, b)
-#define yaffs_strncpy(a, b, c) strncpy(a, b, c)
-#define yaffs_strnlen(s,m) strnlen(s,m)
-#define yaffs_sprintf sprintf
-#define yaffs_toupper(a) toupper(a)
-
-#define Y_INLINE inline
-
-/* #define YINFO(s) YPRINTF(( __FILE__ " %d %s\n",__LINE__,s)) */
-/* #define YALERT(s) YINFO(s) */
-
-#define TENDSTR "\n"
-#define TSTR(x) x
-#define TOUT(p) printf p
-
-#define YAFFS_LOSTNFOUND_NAME "lost+found"
-#define YAFFS_LOSTNFOUND_PREFIX "obj"
-/* #define YPRINTF(x) printf x */
-
-#define YAFFS_ROOT_MODE 0755
-#define YAFFS_LOSTNFOUND_MODE 0700
-
-#define yaffs_sum_cmp(x, y) ((x) == (y))
-#define yaffs_strcmp(a, b) strcmp(a, b)
-
-#else
-/* Should have specified a configuration type */
-#error Unknown configuration
-
-#endif
-
-#if defined(CONFIG_YAFFS_DIRECT) || defined(CONFIG_YAFFS_WINCE)
-
-#ifdef CONFIG_YAFFSFS_PROVIDE_VALUES
-
-#ifndef O_RDONLY
-#define O_RDONLY 00
-#endif
-
-#ifndef O_WRONLY
-#define O_WRONLY 01
-#endif
-
-#ifndef O_RDWR
-#define O_RDWR 02
-#endif
-
-#ifndef O_CREAT
-#define O_CREAT 0100
-#endif
-
-#ifndef O_EXCL
-#define O_EXCL 0200
-#endif
-
-#ifndef O_TRUNC
-#define O_TRUNC 01000
-#endif
-
-#ifndef O_APPEND
-#define O_APPEND 02000
-#endif
-
-#ifndef SEEK_SET
-#define SEEK_SET 0
-#endif
-
-#ifndef SEEK_CUR
-#define SEEK_CUR 1
-#endif
-
-#ifndef SEEK_END
-#define SEEK_END 2
-#endif
-
-#ifndef EBUSY
-#define EBUSY 16
-#endif
-
-#ifndef ENODEV
-#define ENODEV 19
-#endif
-
-#ifndef EINVAL
-#define EINVAL 22
-#endif
-
-#ifndef ENFILE
-#define ENFILE 23
-#endif
-
-#ifndef EBADF
-#define EBADF 9
-#endif
-
-#ifndef EACCES
-#define EACCES 13
-#endif
-
-#ifndef EXDEV
-#define EXDEV 18
-#endif
-
-#ifndef ENOENT
-#define ENOENT 2
-#endif
-
-#ifndef ENOSPC
-#define ENOSPC 28
-#endif
-
-#ifndef ERANGE
-#define ERANGE 34
-#endif
-
-#ifndef ENODATA
-#define ENODATA 61
-#endif
-
-#ifndef ENOTEMPTY
-#define ENOTEMPTY 39
-#endif
-
-#ifndef ENAMETOOLONG
-#define ENAMETOOLONG 36
-#endif
-
-#ifndef ENOMEM
-#define ENOMEM 12
-#endif
-
-#ifndef EEXIST
-#define EEXIST 17
-#endif
-
-#ifndef ENOTDIR
-#define ENOTDIR 20
-#endif
-
-#ifndef EISDIR
-#define EISDIR 21
-#endif
-
-// Mode flags
-
-#ifndef S_IFMT
-#define S_IFMT 0170000
-#endif
-
-#ifndef S_IFLNK
-#define S_IFLNK 0120000
-#endif
-
-#ifndef S_IFDIR
-#define S_IFDIR 0040000
-#endif
-
-#ifndef S_IFREG
-#define S_IFREG 0100000
-#endif
-
-#ifndef S_IREAD
-#define S_IREAD 0000400
-#endif
-
-#ifndef S_IWRITE
-#define S_IWRITE 0000200
-#endif
-
-#ifndef S_IEXEC
-#define S_IEXEC 0000100
-#endif
-
-#ifndef XATTR_CREATE
-#define XATTR_CREATE 1
-#endif
-
-#ifndef XATTR_REPLACE
-#define XATTR_REPLACE 2
-#endif
-
-#ifndef R_OK
-#define R_OK 4
-#define W_OK 2
-#define X_OK 1
-#define F_OK 0
-#endif
-
-#else
-#include <errno.h>
-#include <sys/stat.h>
-#include <fcntl.h>
-#endif
-
-#endif
#ifndef Y_DUMP_STACK
-#define Y_DUMP_STACK() do { } while (0)
+#define Y_DUMP_STACK() dump_stack()
#endif
+#define yaffs_trace(msk, fmt, ...) do { \
+ if(yaffs_trace_mask & ((msk) | YAFFS_TRACE_ALWAYS)) \
+ printk(KERN_DEBUG "yaffs: " fmt "\n", ##__VA_ARGS__); \
+} while(0)
+
#ifndef YBUG
#define YBUG() do {\
- T(YAFFS_TRACE_BUG,\
- (TSTR("==>> yaffs bug: " __FILE__ " %d" TENDSTR),\
- __LINE__));\
+ yaffs_trace(YAFFS_TRACE_BUG,\
+ "bug " __FILE__ " %d",\
+ __LINE__);\
Y_DUMP_STACK();\
} while (0)
#endif
#define YCHAR char
#define YUCHAR unsigned char
#define _Y(x) x
-#define yaffs_strcat(a, b) strcat(a, b)
-#define yaffs_strcpy(a, b) strcpy(a, b)
-#define yaffs_strncpy(a, b, c) strncpy(a, b, c)
-#define yaffs_strncmp(a, b, c) strncmp(a, b, c)
-#define yaffs_strnlen(s,m) strnlen(s,m)
-#define yaffs_sprintf sprintf
-#define yaffs_toupper(a) toupper(a)
-
-#define yaffs_sort(base, n, sz, cmp_fn) sort(base, n, sz, cmp_fn, NULL)
-
-#define Y_INLINE __inline__
#define YAFFS_LOSTNFOUND_NAME "lost+found"
#define YAFFS_LOSTNFOUND_PREFIX "obj"
-#define YMALLOC(x) kmalloc(x, GFP_NOFS)
-#define YFREE(x) kfree(x)
-#define YMALLOC_ALT(x) vmalloc(x)
-#define YFREE_ALT(x) vfree(x)
-#define YMALLOC_DMA(x) YMALLOC(x)
-
-#define YYIELD() schedule()
-#define Y_DUMP_STACK() dump_stack()
#define YAFFS_ROOT_MODE 0755
#define YAFFS_LOSTNFOUND_MODE 0700
#define Y_CURRENT_TIME CURRENT_TIME.tv_sec
#define Y_TIME_CONVERT(x) (x).tv_sec
-#define yaffs_sum_cmp(x, y) ((x) == (y))
-#define yaffs_strcmp(a, b) strcmp(a, b)
-
-#define TENDSTR "\n"
-#define TSTR(x) KERN_DEBUG x
-#define TCONT(x) x
-#define TOUT(p) printk p
-
#define compile_time_assertion(assertion) \
({ int x = __builtin_choose_expr(assertion, 0, (void)0); (void) x; })
+
#ifndef Y_DUMP_STACK
-#define Y_DUMP_STACK() do { } while (0)
+#define Y_DUMP_STACK() dump_stack()
#endif
+#define yaffs_trace(msk, fmt, ...) do { \
+ if(yaffs_trace_mask & ((msk) | YAFFS_TRACE_ALWAYS)) \
+ printk(KERN_DEBUG "yaffs: " fmt "\n", ##__VA_ARGS__); \
+} while(0)
+
#ifndef YBUG
#define YBUG() do {\
- T(YAFFS_TRACE_BUG,\
- (TSTR("==>> yaffs bug: " __FILE__ " %d" TENDSTR),\
- __LINE__));\
+ yaffs_trace(YAFFS_TRACE_BUG,\
+ "bug " __FILE__ " %d",\
+ __LINE__);\
Y_DUMP_STACK();\
} while (0)
#endif
projects / yaffs2.git / commitdiff