/*
- * YAFFS: Yet another Flash File System . A NAND-flash specific file system.
+ * 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
+ * it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
- *
- * Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL.
*/
+
#include "yaffs_allocator.h"
#include "yaffs_guts.h"
#include "yaffs_trace.h"
#ifdef CONFIG_YAFFS_YMALLOC_ALLOCATOR
-void yaffs_deinit_raw_tnodes_and_objs(yaffs_Device *dev)
+void yaffs_deinit_raw_tnodes_and_objs(yaffs_dev_t *dev)
{
dev = dev;
}
-void yaffs_init_raw_tnodes_and_objs(yaffs_Device *dev)
+void yaffs_init_raw_tnodes_and_objs(yaffs_dev_t *dev)
{
dev = dev;
}
-yaffs_tnode_t *yaffs_alloc_raw_tnode(yaffs_Device *dev)
+yaffs_tnode_t *yaffs_alloc_raw_tnode(yaffs_dev_t *dev)
{
- return (yaffs_tnode_t *)YMALLOC(dev->tnodeSize);
+ return (yaffs_tnode_t *)YMALLOC(dev->tnode_size);
}
-void yaffs_free_raw_tnode(yaffs_Device *dev, yaffs_tnode_t *tn)
+void yaffs_free_raw_tnode(yaffs_dev_t *dev, yaffs_tnode_t *tn)
{
dev = dev;
YFREE(tn);
}
-void yaffs_init_raw_objs(yaffs_Device *dev)
+void yaffs_init_raw_objs(yaffs_dev_t *dev)
{
dev = dev;
}
-void yaffs_deinit_raw_objs(yaffs_Device *dev)
+void yaffs_deinit_raw_objs(yaffs_dev_t *dev)
{
dev = dev;
}
-yaffs_Object *yaffs_alloc_raw_obj(yaffs_Device *dev)
+yaffs_obj_t *yaffs_alloc_raw_obj(yaffs_dev_t *dev)
{
dev = dev;
- return (yaffs_Object *) YMALLOC(sizeof(yaffs_Object));
+ return (yaffs_obj_t *) YMALLOC(sizeof(yaffs_obj_t));
}
-void yaffs_free_raw_obj(yaffs_Device *dev, yaffs_Object *obj)
+void yaffs_free_raw_obj(yaffs_dev_t *dev, yaffs_obj_t *obj)
{
dev = dev;
typedef struct yaffs_tnode_list yaffs_tnodelist_t;
-struct yaffs_ObjectList_struct {
- yaffs_Object *objects;
- struct yaffs_ObjectList_struct *next;
+struct yaffs_obj_list_struct {
+ yaffs_obj_t *objects;
+ struct yaffs_obj_list_struct *next;
};
-typedef struct yaffs_ObjectList_struct yaffs_ObjectList;
+typedef struct yaffs_obj_list_struct yaffs_obj_list;
struct yaffs_AllocatorStruct {
- int nTnodesCreated;
+ int n_tnodesCreated;
yaffs_tnode_t *freeTnodes;
int nFreeTnodes;
yaffs_tnodelist_t *allocatedTnodeList;
- int nObjectsCreated;
- yaffs_Object *freeObjects;
+ int n_objCreated;
+ yaffs_obj_t *freeObjects;
int nFreeObjects;
- yaffs_ObjectList *allocatedObjectList;
+ yaffs_obj_list *allocated_list;
};
typedef struct yaffs_AllocatorStruct yaffs_Allocator;
-static void yaffs_deinit_raw_tnodes(yaffs_Device *dev)
+static void yaffs_deinit_raw_tnodes(yaffs_dev_t *dev)
{
yaffs_Allocator *allocator = (yaffs_Allocator *)dev->allocator;
allocator->freeTnodes = NULL;
allocator->nFreeTnodes = 0;
- allocator->nTnodesCreated = 0;
+ allocator->n_tnodesCreated = 0;
}
-static void yaffs_init_raw_tnodes(yaffs_Device *dev)
+static void yaffs_init_raw_tnodes(yaffs_dev_t *dev)
{
yaffs_Allocator *allocator = dev->allocator;
allocator->allocatedTnodeList = NULL;
allocator->freeTnodes = NULL;
allocator->nFreeTnodes = 0;
- allocator->nTnodesCreated = 0;
+ allocator->n_tnodesCreated = 0;
} else
YBUG();
}
-static int yaffs_create_tnodes(yaffs_Device *dev, int nTnodes)
+static int yaffs_create_tnodes(yaffs_dev_t *dev, int n_tnodes)
{
yaffs_Allocator *allocator = (yaffs_Allocator *)dev->allocator;
int i;
return YAFFS_FAIL;
}
- if (nTnodes < 1)
+ if (n_tnodes < 1)
return YAFFS_OK;
/* make these things */
- newTnodes = YMALLOC(nTnodes * dev->tnodeSize);
+ newTnodes = YMALLOC(n_tnodes * dev->tnode_size);
mem = (__u8 *)newTnodes;
if (!newTnodes) {
}
/* New hookup for wide tnodes */
- for (i = 0; i < nTnodes - 1; i++) {
- curr = (yaffs_tnode_t *) &mem[i * dev->tnodeSize];
- next = (yaffs_tnode_t *) &mem[(i+1) * dev->tnodeSize];
+ for (i = 0; i < n_tnodes - 1; i++) {
+ curr = (yaffs_tnode_t *) &mem[i * dev->tnode_size];
+ next = (yaffs_tnode_t *) &mem[(i+1) * dev->tnode_size];
curr->internal[0] = next;
}
- curr = (yaffs_tnode_t *) &mem[(nTnodes - 1) * dev->tnodeSize];
+ curr = (yaffs_tnode_t *) &mem[(n_tnodes - 1) * dev->tnode_size];
curr->internal[0] = allocator->freeTnodes;
allocator->freeTnodes = (yaffs_tnode_t *)mem;
- allocator->nFreeTnodes += nTnodes;
- allocator->nTnodesCreated += nTnodes;
+ allocator->nFreeTnodes += n_tnodes;
+ allocator->n_tnodesCreated += n_tnodes;
/* Now add this bunch of tnodes to a list for freeing up.
* NB If we can't add this to the management list it isn't fatal
}
-yaffs_tnode_t *yaffs_alloc_raw_tnode(yaffs_Device *dev)
+yaffs_tnode_t *yaffs_alloc_raw_tnode(yaffs_dev_t *dev)
{
yaffs_Allocator *allocator = (yaffs_Allocator *)dev->allocator;
yaffs_tnode_t *tn = NULL;
}
/* FreeTnode frees up a tnode and puts it back on the free list */
-void yaffs_free_raw_tnode(yaffs_Device *dev, yaffs_tnode_t *tn)
+void yaffs_free_raw_tnode(yaffs_dev_t *dev, yaffs_tnode_t *tn)
{
yaffs_Allocator *allocator = dev->allocator;
allocator->freeTnodes = tn;
allocator->nFreeTnodes++;
}
- dev->nCheckpointBlocksRequired = 0; /* force recalculation*/
+ dev->checkpoint_blocks_required = 0; /* force recalculation*/
}
-static void yaffs_init_raw_objs(yaffs_Device *dev)
+static void yaffs_init_raw_objs(yaffs_dev_t *dev)
{
yaffs_Allocator *allocator = dev->allocator;
if(allocator) {
- allocator->allocatedObjectList = NULL;
+ allocator->allocated_list = NULL;
allocator->freeObjects = NULL;
allocator->nFreeObjects = 0;
} else
YBUG();
}
-static void yaffs_deinit_raw_objs(yaffs_Device *dev)
+static void yaffs_deinit_raw_objs(yaffs_dev_t *dev)
{
yaffs_Allocator *allocator = dev->allocator;
- yaffs_ObjectList *tmp;
+ yaffs_obj_list *tmp;
if(!allocator){
YBUG();
return;
}
- while (allocator->allocatedObjectList) {
- tmp = allocator->allocatedObjectList->next;
- YFREE(allocator->allocatedObjectList->objects);
- YFREE(allocator->allocatedObjectList);
+ while (allocator->allocated_list) {
+ tmp = allocator->allocated_list->next;
+ YFREE(allocator->allocated_list->objects);
+ YFREE(allocator->allocated_list);
- allocator->allocatedObjectList = tmp;
+ allocator->allocated_list = tmp;
}
allocator->freeObjects = NULL;
allocator->nFreeObjects = 0;
- allocator->nObjectsCreated = 0;
+ allocator->n_objCreated = 0;
}
-static int yaffs_create_free_objs(yaffs_Device *dev, int nObjects)
+static int yaffs_create_free_objs(yaffs_dev_t *dev, int n_obj)
{
yaffs_Allocator *allocator = dev->allocator;
int i;
- yaffs_Object *newObjects;
- yaffs_ObjectList *list;
+ yaffs_obj_t *newObjects;
+ yaffs_obj_list *list;
if(!allocator){
YBUG();
return YAFFS_FAIL;
}
- if (nObjects < 1)
+ if (n_obj < 1)
return YAFFS_OK;
/* make these things */
- newObjects = YMALLOC(nObjects * sizeof(yaffs_Object));
- list = YMALLOC(sizeof(yaffs_ObjectList));
+ newObjects = YMALLOC(n_obj * sizeof(yaffs_obj_t));
+ list = YMALLOC(sizeof(yaffs_obj_list));
if (!newObjects || !list) {
if (newObjects){
}
/* Hook them into the free list */
- for (i = 0; i < nObjects - 1; i++) {
+ for (i = 0; i < n_obj - 1; i++) {
newObjects[i].siblings.next =
(struct ylist_head *)(&newObjects[i + 1]);
}
- newObjects[nObjects - 1].siblings.next = (void *)allocator->freeObjects;
+ newObjects[n_obj - 1].siblings.next = (void *)allocator->freeObjects;
allocator->freeObjects = newObjects;
- allocator->nFreeObjects += nObjects;
- allocator->nObjectsCreated += nObjects;
+ allocator->nFreeObjects += n_obj;
+ allocator->n_objCreated += n_obj;
/* Now add this bunch of Objects to a list for freeing up. */
list->objects = newObjects;
- list->next = allocator->allocatedObjectList;
- allocator->allocatedObjectList = list;
+ list->next = allocator->allocated_list;
+ allocator->allocated_list = list;
return YAFFS_OK;
}
-yaffs_Object *yaffs_alloc_raw_obj(yaffs_Device *dev)
+yaffs_obj_t *yaffs_alloc_raw_obj(yaffs_dev_t *dev)
{
- yaffs_Object *obj = NULL;
+ yaffs_obj_t *obj = NULL;
yaffs_Allocator *allocator = dev->allocator;
if(!allocator) {
if (allocator->freeObjects) {
obj = allocator->freeObjects;
allocator->freeObjects =
- (yaffs_Object *) (allocator->freeObjects->siblings.next);
+ (yaffs_obj_t *) (allocator->freeObjects->siblings.next);
allocator->nFreeObjects--;
}
}
-void yaffs_free_raw_obj(yaffs_Device *dev, yaffs_Object *obj)
+void yaffs_free_raw_obj(yaffs_dev_t *dev, yaffs_obj_t *obj)
{
yaffs_Allocator *allocator = dev->allocator;
}
}
-void yaffs_deinit_raw_tnodes_and_objs(yaffs_Device *dev)
+void yaffs_deinit_raw_tnodes_and_objs(yaffs_dev_t *dev)
{
if(dev->allocator){
yaffs_deinit_raw_tnodes(dev);
YBUG();
}
-void yaffs_init_raw_tnodes_and_objs(yaffs_Device *dev)
+void yaffs_init_raw_tnodes_and_objs(yaffs_dev_t *dev)
{
yaffs_Allocator *allocator;
projects / yaffs2.git / blobdiff