/*
* YAFFS: Yet Another Flash File System. A NAND-flash specific file system.
*
- * Copyright (C) 2002-2010 Aleph One Ltd.
+ * Copyright (C) 2002-2011 Aleph One Ltd.
* for Toby Churchill Ltd and Brightstar Engineering
*
* Created by Charles Manning <charles@aleph1.co.uk>
* the VFS.
*
* Special notes:
- * >> 2.4: sb->u.generic_sbp points to the yaffs_dev_t associated with
+ * >> 2.4: sb->u.generic_sbp points to the struct yaffs_dev associated with
* this superblock
- * >> 2.6: sb->s_fs_info points to the yaffs_dev_t associated with this
+ * >> 2.6: sb->s_fs_info points to the struct yaffs_dev associated with this
* superblock
- * >> inode->u.generic_ip points to the associated yaffs_obj_t.
+ * >> inode->u.generic_ip points to the associated struct yaffs_obj.
*/
/*
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 10))
#define YAFFS_COMPILE_BACKGROUND
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6, 23))
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 23))
#define YAFFS_COMPILE_FREEZER
#endif
#endif
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,28))
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 28))
#define YAFFS_COMPILE_EXPORTFS
#endif
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,35))
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 35))
#define YAFFS_USE_SETATTR_COPY
#define YAFFS_USE_TRUNCATE_SETSIZE
#endif
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,35))
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 35))
#define YAFFS_HAS_EVICT_INODE
#endif
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,13))
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 13))
#define YAFFS_NEW_FOLLOW_LINK 1
#else
#define YAFFS_NEW_FOLLOW_LINK 0
#define YPROC_ROOT NULL
#endif
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,26))
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 26))
#define Y_INIT_TIMER(a) init_timer(a)
#else
#define Y_INIT_TIMER(a) init_timer_on_stack(a)
{
uint64_t result = partition_size;
do_div(result, block_size);
- return (uint32_t)result;
+ return (uint32_t) result;
}
#else
#define YCALCBLOCKS(s, b) ((s)/(b))
#include "yportenv.h"
#include "yaffs_trace.h"
#include "yaffs_guts.h"
+#include "yaffs_attribs.h"
#include "yaffs_linux.h"
#endif
#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 18))
-#define yaffs_InodeToObjectLV(iptr) ((iptr)->i_private)
+#define yaffs_inode_to_obj_lv(iptr) ((iptr)->i_private)
#else
-#define yaffs_InodeToObjectLV(iptr) ((iptr)->u.generic_ip)
+#define yaffs_inode_to_obj_lv(iptr) ((iptr)->u.generic_ip)
#endif
-#define yaffs_InodeToObject(iptr) ((yaffs_obj_t *)(yaffs_InodeToObjectLV(iptr)))
-#define yaffs_dentry_to_obj(dptr) yaffs_InodeToObject((dptr)->d_inode)
+#define yaffs_inode_to_obj(iptr) \
+ ((struct yaffs_obj *)(yaffs_inode_to_obj_lv(iptr)))
+#define yaffs_dentry_to_obj(dptr) yaffs_inode_to_obj((dptr)->d_inode)
#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
-#define yaffs_SuperToDevice(sb) ((yaffs_dev_t *)sb->s_fs_info)
+#define yaffs_super_to_dev(sb) ((struct yaffs_dev *)sb->s_fs_info)
#else
-#define yaffs_SuperToDevice(sb) ((yaffs_dev_t *)sb->u.generic_sbp)
+#define yaffs_super_to_dev(sb) ((struct yaffs_dev *)sb->u.generic_sbp)
#endif
-
#define update_dir_time(dir) do {\
(dir)->i_ctime = (dir)->i_mtime = CURRENT_TIME; \
- } while(0)
-
+ } 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,
static int yaffs_sync_object(struct file *file, int datasync);
#else
static int yaffs_sync_object(struct file *file, struct dentry *dentry,
- int datasync);
+ int datasync);
#endif
static int yaffs_readdir(struct file *f, void *dirent, filldir_t filldir);
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);
+ struct nameidata *n);
#else
static int yaffs_create(struct inode *dir, struct dentry *dentry, int mode);
static struct dentry *yaffs_lookup(struct inode *dir, struct dentry *dentry);
#endif
static int yaffs_link(struct dentry *old_dentry, struct inode *dir,
- struct dentry *dentry);
+ 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);
+ const char *symname);
static int yaffs_mkdir(struct inode *dir, struct dentry *dentry, int mode);
#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
static int yaffs_mknod(struct inode *dir, struct dentry *dentry, int mode,
- dev_t dev);
+ dev_t dev);
#else
static int yaffs_mknod(struct inode *dir, struct dentry *dentry, int mode,
- int dev);
+ int dev);
#endif
static int yaffs_rename(struct inode *old_dir, struct dentry *old_dentry,
struct inode *new_dir, struct dentry *new_dentry);
#endif
#ifdef CONFIG_YAFFS_XATTR
-int yaffs_setxattr(struct dentry *dentry, const char *name,
- const void *value, size_t size, int flags);
-ssize_t yaffs_getxattr(struct dentry *dentry, const char *name, void *buff,
- size_t size);
-int yaffs_removexattr(struct dentry *dentry, const char *name);
-ssize_t yaffs_listxattr(struct dentry *dentry, char *buff, size_t size);
+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
-
#if (YAFFS_USE_WRITE_BEGIN_END != 0)
static int yaffs_write_begin(struct file *filp, struct address_space *mapping,
- loff_t pos, unsigned len, unsigned flags,
- struct page **pagep, void **fsdata);
+ 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);
+ loff_t pos, unsigned len, unsigned copied,
+ struct page *pg, void *fsdadata);
#else
static int yaffs_prepare_write(struct file *f, struct page *pg,
- unsigned offset, unsigned to);
+ unsigned offset, unsigned to);
static int yaffs_commit_write(struct file *f, struct page *pg, unsigned offset,
- unsigned to);
+ unsigned to);
#endif
-static int yaffs_readlink(struct dentry *dentry, char __user *buffer,
- int buflen);
+static int yaffs_readlink(struct dentry *dentry, char __user * buffer,
+ int buflen);
#if (YAFFS_NEW_FOLLOW_LINK == 1)
void yaffs_put_link(struct dentry *dentry, struct nameidata *nd, void *alias);
static void *yaffs_follow_link(struct dentry *dentry, struct nameidata *nd);
static int yaffs_follow_link(struct dentry *dentry, struct nameidata *nd);
#endif
-static void yaffs_touch_super(yaffs_dev_t *dev);
-
-static loff_t yaffs_dir_llseek(struct file *file, loff_t offset, int origin);
+static void yaffs_touch_super(struct yaffs_dev *dev);
static int yaffs_vfs_setattr(struct inode *, struct iattr *);
-
static struct address_space_operations yaffs_file_address_operations = {
.readpage = yaffs_readpage,
.writepage = yaffs_writepage,
#endif
};
-
#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 22))
static const struct file_operations yaffs_file_operations = {
.read = do_sync_read,
};
#endif
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,25))
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 25))
static void zero_user_segment(struct page *page, unsigned start, unsigned end)
{
- void * kaddr = kmap_atomic(page, KM_USER0);
+ void *kaddr = kmap_atomic(page, KM_USER0);
memset(kaddr + start, 0, end - start);
kunmap_atomic(kaddr, KM_USER0);
flush_dcache_page(page);
}
#endif
-
static const struct inode_operations yaffs_file_inode_operations = {
.setattr = yaffs_setattr,
#ifdef CONFIG_YAFFS_XATTR
.read = generic_read_dir,
.readdir = yaffs_readdir,
.fsync = yaffs_sync_object,
- .llseek = yaffs_dir_llseek,
+ .llseek = generic_file_llseek,
};
static const struct super_operations yaffs_super_ops = {
.write_super = yaffs_write_super,
};
-
-static int yaffs_vfs_setattr(struct inode *inode, struct iattr *attr)
+static int yaffs_vfs_setattr(struct inode *inode, struct iattr *attr)
{
-#ifdef YAFFS_USE_SETATTR_COPY
- setattr_copy(inode,attr);
+#ifdef YAFFS_USE_SETATTR_COPY
+ setattr_copy(inode, attr);
return 0;
#else
return inode_setattr(inode, attr);
}
-static int yaffs_vfs_setsize(struct inode *inode, loff_t newsize)
+static int yaffs_vfs_setsize(struct inode *inode, loff_t newsize)
{
-#ifdef YAFFS_USE_TRUNCATE_SETSIZE
- truncate_setsize(inode,newsize);
+#ifdef YAFFS_USE_TRUNCATE_SETSIZE
+ truncate_setsize(inode, newsize);
return 0;
#else
- truncate_inode_pages(&inode->i_data,newsize);
+ truncate_inode_pages(&inode->i_data, newsize);
return 0;
#endif
}
-static unsigned yaffs_gc_control_callback(yaffs_dev_t *dev)
+static unsigned yaffs_gc_control_callback(struct yaffs_dev *dev)
{
return yaffs_gc_control;
}
-
-static void yaffs_gross_lock(yaffs_dev_t *dev)
+
+static void yaffs_gross_lock(struct yaffs_dev *dev)
{
- T(YAFFS_TRACE_LOCK, (TSTR("yaffs locking %p\n"), current));
- down(&(yaffs_dev_to_lc(dev)->grossLock));
- T(YAFFS_TRACE_LOCK, (TSTR("yaffs locked %p\n"), current));
+ 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 void yaffs_gross_unlock(yaffs_dev_t *dev)
+static void yaffs_gross_unlock(struct yaffs_dev *dev)
{
- T(YAFFS_TRACE_LOCK, (TSTR("yaffs unlocking %p\n"), current));
- up(&(yaffs_dev_to_lc(dev)->grossLock));
+ yaffs_trace(YAFFS_TRACE_LOCK, "yaffs unlocking %p", current);
+ mutex_unlock(&(yaffs_dev_to_lc(dev)->gross_lock));
}
#ifdef YAFFS_COMPILE_EXPORTFS
-static struct inode *
-yaffs2_nfs_get_inode(struct super_block *sb, uint64_t ino, uint32_t generation)
+static struct inode *yaffs2_nfs_get_inode(struct super_block *sb, uint64_t ino,
+ uint32_t generation)
{
return Y_IGET(sb, ino);
}
-static struct dentry *
-yaffs2_fh_to_dentry(struct super_block *sb, struct fid *fid, int fh_len, int fh_type)
+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) ;
+ 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)
+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);
+ return generic_fh_to_parent(sb, fid, fh_len, fh_type,
+ yaffs2_nfs_get_inode);
}
struct dentry *yaffs2_get_parent(struct dentry *dentry)
struct dentry *parent = ERR_PTR(-ENOENT);
struct inode *inode;
unsigned long parent_ino;
- yaffs_obj_t *d_obj;
- yaffs_obj_t *parent_obj;
+ struct yaffs_obj *d_obj;
+ struct yaffs_obj *parent_obj;
- d_obj = yaffs_InodeToObject(dentry->d_inode);
+ d_obj = yaffs_inode_to_obj(dentry->d_inode);
if (d_obj) {
parent_obj = d_obj->parent;
* using the default functions of exportfs.
*/
-static struct export_operations yaffs_export_ops =
-{
+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,
-} ;
+};
#endif
* next object before the object is deleted.
*
* Many readdirs (and thus seach conexts) may be alive simulateously so
- * each yaffs_dev_t has a list of these.
+ * 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_SearchContext {
- yaffs_dev_t *dev;
- yaffs_obj_t *dirObj;
- yaffs_obj_t *nextReturn;
- struct ylist_head others;
+struct yaffs_search_context {
+ struct yaffs_dev *dev;
+ struct yaffs_obj *dir_obj;
+ struct yaffs_obj *next_return;
+ struct list_head others;
};
/*
- * yaffs_NewSearch() creates a new search context, initialises it and
+ * 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_SearchContext * yaffs_NewSearch(yaffs_obj_t *dir)
+static struct yaffs_search_context *yaffs_new_search(struct yaffs_obj *dir)
{
- yaffs_dev_t *dev = dir->my_dev;
- struct yaffs_SearchContext *sc = YMALLOC(sizeof(struct yaffs_SearchContext));
- if(sc){
- sc->dirObj = 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( ylist_empty(&sc->dirObj->variant.dir_variant.children))
- sc->nextReturn = NULL;
+ if (list_empty(&sc->dir_obj->variant.dir_variant.children))
+ sc->next_return = NULL;
else
- sc->nextReturn = ylist_entry(
- dir->variant.dir_variant.children.next,
- yaffs_obj_t,siblings);
- YINIT_LIST_HEAD(&sc->others);
- ylist_add(&sc->others,&(yaffs_dev_to_lc(dev)->searchContexts));
+ 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_SearchContext * sc)
+static void yaffs_search_end(struct yaffs_search_context *sc)
{
- if(sc){
- ylist_del(&sc->others);
- YFREE(sc);
+ if (sc) {
+ list_del(&sc->others);
+ kfree(sc);
}
}
* 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_SearchContext *sc)
+static void yaffs_search_advance(struct yaffs_search_context *sc)
{
- if(!sc)
- return;
+ if (!sc)
+ return;
- if( sc->nextReturn == NULL ||
- ylist_empty(&sc->dirObj->variant.dir_variant.children))
- sc->nextReturn = NULL;
- else {
- struct ylist_head *next = sc->nextReturn->siblings.next;
+ 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( next == &sc->dirObj->variant.dir_variant.children)
- sc->nextReturn = NULL; /* end of list */
- else
- sc->nextReturn = ylist_entry(next,yaffs_obj_t,siblings);
- }
+ 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);
+ }
}
/*
* We check open search contexts and advance any which are currently
* on the object being iterated.
*/
-static void yaffs_remove_obj_callback(yaffs_obj_t *obj)
+static void yaffs_remove_obj_callback(struct yaffs_obj *obj)
{
- struct ylist_head *i;
- struct yaffs_SearchContext *sc;
- struct ylist_head *search_contexts = &(yaffs_dev_to_lc(obj->my_dev)->searchContexts);
-
+ struct list_head *i;
+ struct yaffs_search_context *sc;
+ struct list_head *search_contexts =
+ &(yaffs_dev_to_lc(obj->my_dev)->search_contexts);
- /* 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.
- */
- ylist_for_each(i, search_contexts) {
- if (i) {
- sc = ylist_entry(i, struct yaffs_SearchContext,others);
- if(sc->nextReturn == obj)
- yaffs_search_advance(sc);
- }
+ /* 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) {
+ sc = list_entry(i, struct yaffs_search_context, others);
+ if (sc->next_return == obj)
+ yaffs_search_advance(sc);
}
}
-
/*-----------------------------------------------------------------*/
-static int yaffs_readlink(struct dentry *dentry, char __user *buffer,
- int buflen)
+static int yaffs_readlink(struct dentry *dentry, char __user * buffer,
+ int buflen)
{
unsigned char *alias;
int ret;
- yaffs_dev_t *dev = yaffs_dentry_to_obj(dentry)->my_dev;
+ struct yaffs_dev *dev = yaffs_dentry_to_obj(dentry)->my_dev;
yaffs_gross_lock(dev);
#if (YAFFS_NEW_FOLLOW_LINK == 1)
static void *yaffs_follow_link(struct dentry *dentry, struct nameidata *nd)
+{
+ void *ret;
#else
static int yaffs_follow_link(struct dentry *dentry, struct nameidata *nd)
-#endif
{
+ int ret
+#endif
unsigned char *alias;
- int ret;
- yaffs_dev_t *dev = yaffs_dentry_to_obj(dentry)->my_dev;
+ int ret_int = 0;
+ struct yaffs_dev *dev = yaffs_dentry_to_obj(dentry)->my_dev;
yaffs_gross_lock(dev);
yaffs_gross_unlock(dev);
if (!alias) {
- ret = -ENOMEM;
+ ret_int = -ENOMEM;
goto out;
}
-
#if (YAFFS_NEW_FOLLOW_LINK == 1)
nd_set_link(nd, alias);
- ret = (int)alias;
+ ret = alias;
out:
- return ERR_PTR(ret);
+ if (ret_int)
+ ret = ERR_PTR(ret_int);
+ return ret;
#else
ret = vfs_follow_link(nd, alias);
kfree(alias);
out:
+ if (ret_int)
+ ret = ret_int;
return ret;
#endif
}
#if (YAFFS_NEW_FOLLOW_LINK == 1)
-void yaffs_put_link(struct dentry *dentry, struct nameidata *nd, void *alias) {
+void yaffs_put_link(struct dentry *dentry, struct nameidata *nd, void *alias)
+{
kfree(alias);
}
#endif
struct inode *yaffs_get_inode(struct super_block *sb, int mode, int dev,
- yaffs_obj_t *obj);
+ struct yaffs_obj *obj);
/*
* Lookup is used to find objects in the fs
#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
static struct dentry *yaffs_lookup(struct inode *dir, struct dentry *dentry,
- struct nameidata *n)
+ struct nameidata *n)
#else
static struct dentry *yaffs_lookup(struct inode *dir, struct dentry *dentry)
#endif
{
- yaffs_obj_t *obj;
+ struct yaffs_obj *obj;
struct inode *inode = NULL; /* NCB 2.5/2.6 needs NULL here */
- yaffs_dev_t *dev = yaffs_InodeToObject(dir)->my_dev;
+ struct yaffs_dev *dev = yaffs_inode_to_obj(dir)->my_dev;
- if(current != yaffs_dev_to_lc(dev)->readdirProcess)
+ 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_InodeToObject(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_InodeToObject(dir),
- dentry->d_name.name);
+ obj = yaffs_find_by_name(yaffs_inode_to_obj(dir), dentry->d_name.name);
obj = yaffs_get_equivalent_obj(obj); /* in case it was a hardlink */
/* Can't hold gross lock when calling yaffs_get_inode() */
- if(current != yaffs_dev_to_lc(dev)->readdirProcess)
+ if (current != yaffs_dev_to_lc(dev)->readdir_process)
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");
}
return NULL;
}
-
#ifdef YAFFS_HAS_PUT_INODE
/* For now put inode is just for debugging
*/
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
-
-static void yaffs_unstitch_obj(struct inode *inode, yaffs_obj_t *obj)
+static void yaffs_unstitch_obj(struct inode *inode, struct yaffs_obj *obj)
{
/* Clear the association between the inode and
- * the yaffs_obj_t.
+ * the struct yaffs_obj.
*/
obj->my_inode = NULL;
- yaffs_InodeToObjectLV(inode) = NULL;
+ yaffs_inode_to_obj_lv(inode) = NULL;
/* If the object freeing was deferred, then the real
* free happens now.
* yaffs_clear_inode() and yaffs_delete_inode()
*
*/
-static void yaffs_evict_inode( struct inode *inode)
+static void yaffs_evict_inode(struct inode *inode)
{
- yaffs_obj_t *obj;
- yaffs_dev_t *dev;
+ struct yaffs_obj *obj;
+ struct yaffs_dev *dev;
int deleteme = 0;
- obj = yaffs_InodeToObject(inode);
+ 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;
- truncate_inode_pages(&inode->i_data,0);
+ truncate_inode_pages(&inode->i_data, 0);
end_writeback(inode);
- if(deleteme && obj){
+ if (deleteme && obj) {
dev = obj->my_dev;
yaffs_gross_lock(dev);
yaffs_del_obj(obj);
if (obj) {
dev = obj->my_dev;
yaffs_gross_lock(dev);
- yaffs_unstitch_obj(inode,obj);
+ yaffs_unstitch_obj(inode, obj);
yaffs_gross_unlock(dev);
}
-
-
}
#else
static void yaffs_clear_inode(struct inode *inode)
{
- yaffs_obj_t *obj;
- yaffs_dev_t *dev;
+ struct yaffs_obj *obj;
+ struct yaffs_dev *dev;
- obj = yaffs_InodeToObject(inode);
+ 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;
yaffs_gross_lock(dev);
- yaffs_unstitch_obj(inode,obj);
+ yaffs_unstitch_obj(inode, obj);
yaffs_gross_unlock(dev);
}
*/
static void yaffs_delete_inode(struct inode *inode)
{
- yaffs_obj_t *obj = yaffs_InodeToObject(inode);
- yaffs_dev_t *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;
}
#endif
-
#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17))
static int yaffs_file_flush(struct file *file, fl_owner_t id)
#else
static int yaffs_file_flush(struct file *file)
#endif
{
- yaffs_obj_t *obj = yaffs_dentry_to_obj(file->f_dentry);
+ struct yaffs_obj *obj = yaffs_dentry_to_obj(file->f_dentry);
- yaffs_dev_t *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);
{
/* Lifted from jffs2 */
- yaffs_obj_t *obj;
+ struct yaffs_obj *obj;
unsigned char *pg_buf;
int ret;
- yaffs_dev_t *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);
yaffs_gross_lock(dev);
ret = yaffs_file_rd(obj, pg_buf,
- pg->index << PAGE_CACHE_SHIFT,
- PAGE_CACHE_SIZE);
+ pg->index << PAGE_CACHE_SHIFT, PAGE_CACHE_SIZE);
yaffs_gross_unlock(dev);
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")));
- ret=yaffs_readpage_unlock(f, pg);
- T(YAFFS_TRACE_OS, (TSTR("yaffs_readpage done\n")));
+ 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_writepage(struct page *page)
#endif
{
- yaffs_dev_t *dev;
+ struct yaffs_dev *dev;
struct address_space *mapping = page->mapping;
struct inode *inode;
unsigned long end_index;
char *buffer;
- yaffs_obj_t *obj;
- int nWritten = 0;
+ struct yaffs_obj *obj;
+ int n_written = 0;
unsigned n_bytes;
loff_t i_size;
end_index = i_size >> PAGE_CACHE_SHIFT;
- if(page->index < end_index)
+ if (page->index < end_index)
n_bytes = PAGE_CACHE_SIZE;
else {
- n_bytes = i_size & (PAGE_CACHE_SIZE -1);
+ 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"),
+ yaffs_trace(YAFFS_TRACE_OS,
+ "yaffs_writepage at %08x, inode size = %08x!!",
(unsigned)(page->index << PAGE_CACHE_SHIFT),
- (unsigned)inode->i_size));
- T(YAFFS_TRACE_OS,
- (TSTR(" -> don't care!!\n")));
+ (unsigned)inode->i_size);
+ yaffs_trace(YAFFS_TRACE_OS,
+ " -> don't care!!");
- zero_user_segment(page,0,PAGE_CACHE_SIZE);
+ zero_user_segment(page, 0, PAGE_CACHE_SIZE);
set_page_writeback(page);
unlock_page(page);
end_page_writeback(page);
}
}
- if(n_bytes != PAGE_CACHE_SIZE)
- zero_user_segment(page,n_bytes,PAGE_CACHE_SIZE);
+ if (n_bytes != PAGE_CACHE_SIZE)
+ zero_user_segment(page, n_bytes, PAGE_CACHE_SIZE);
get_page(page);
buffer = kmap(page);
- obj = yaffs_InodeToObject(inode);
+ 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));
+ 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);
- nWritten = yaffs_wr_file(obj, buffer,
- page->index << PAGE_CACHE_SHIFT, n_bytes, 0);
+ 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);
end_page_writeback(page);
put_page(page);
- return (nWritten == n_bytes) ? 0 : -ENOSPC;
+ return (n_written == n_bytes) ? 0 : -ENOSPC;
}
-
#if (YAFFS_USE_WRITE_BEGIN_END > 0)
static int yaffs_write_begin(struct file *filp, struct address_space *mapping,
- loff_t pos, unsigned len, unsigned flags,
- struct page **pagep, void **fsdata)
+ loff_t pos, unsigned len, unsigned flags,
+ struct page **pagep, void **fsdata)
{
struct page *pg = NULL;
pgoff_t index = pos >> PAGE_CACHE_SHIFT;
*pagep = pg;
if (!pg) {
- ret = -ENOMEM;
+ 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) {
#else
static int yaffs_prepare_write(struct file *f, struct page *pg,
- unsigned offset, unsigned to)
+ 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);
#if (YAFFS_USE_WRITE_BEGIN_END > 0)
static int yaffs_write_end(struct file *filp, struct address_space *mapping,
- loff_t pos, unsigned len, unsigned copied,
- struct page *pg, void *fsdadata)
+ loff_t pos, unsigned len, unsigned copied,
+ struct page *pg, void *fsdadata)
{
int ret = 0;
void *addr, *kva;
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);
#else
static int yaffs_commit_write(struct file *f, struct page *pg, unsigned offset,
- unsigned to)
+ unsigned to)
{
void *addr, *kva;
loff_t pos = (((loff_t) pg->index) << PAGE_CACHE_SHIFT) + offset;
int n_bytes = to - offset;
- int nWritten;
+ int n_written;
unsigned spos = pos;
unsigned saddr;
kva = kmap(pg);
addr = kva + offset;
- saddr = (unsigned) addr;
+ 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);
- nWritten = yaffs_file_write(f, addr, n_bytes, &pos);
+ n_written = yaffs_file_write(f, addr, n_bytes, &pos);
- if (nWritten != n_bytes) {
- T(YAFFS_TRACE_OS,
- (TSTR("yaffs_commit_write not same size nWritten %d n_bytes %d\n"),
- nWritten, n_bytes));
+ if (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"),
- nWritten == n_bytes ? 0 : nWritten));
+ yaffs_trace(YAFFS_TRACE_OS,
+ "yaffs_commit_write returning %d",
+ n_written == n_bytes ? 0 : n_written);
- return nWritten == n_bytes ? 0 : nWritten;
+ return n_written == n_bytes ? 0 : n_written;
}
#endif
-
-static void yaffs_fill_inode_from_obj(struct inode *inode, yaffs_obj_t *obj)
+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;
+ u32 mode = obj->yst_mode;
switch (obj->variant_type) {
case YAFFS_OBJECT_TYPE_FILE:
if (!S_ISREG(mode)) {
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"),
+ 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)));
+ (int)inode->i_size, atomic_read(&inode->i_count));
switch (obj->yst_mode & S_IFMT) {
default: /* fifo, device or socket */
#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
init_special_inode(inode, obj->yst_mode,
- old_decode_dev(obj->yst_rdev));
+ old_decode_dev(obj->yst_rdev));
#else
init_special_inode(inode, obj->yst_mode,
- (dev_t) (obj->yst_rdev));
+ (dev_t) (obj->yst_rdev));
#endif
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;
+ &yaffs_file_address_operations;
break;
case S_IFDIR: /* directory */
inode->i_op = &yaffs_dir_inode_operations;
break;
}
- yaffs_InodeToObjectLV(inode) = obj;
+ yaffs_inode_to_obj_lv(inode) = obj;
obj->my_inode = inode;
} else {
- T(YAFFS_TRACE_OS,
- (TSTR("yaffs_FileInode invalid parameters\n")));
+ yaffs_trace(YAFFS_TRACE_OS,
+ "yaffs_fill_inode invalid parameters");
}
}
struct inode *yaffs_get_inode(struct super_block *sb, int mode, int dev,
- yaffs_obj_t *obj)
+ struct yaffs_obj *obj)
{
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))
/* NB Side effect: iget calls back to yaffs_read_inode(). */
/* iget also increments the inode's i_count */
- /* NB You can't be holding grossLock or deadlock will happen! */
+ /* NB You can't be holding gross_lock or deadlock will happen! */
return inode;
}
static ssize_t yaffs_file_write(struct file *f, const char *buf, size_t n,
- loff_t *pos)
+ loff_t * pos)
{
- yaffs_obj_t *obj;
- int nWritten, ipos;
+ struct yaffs_obj *obj;
+ int n_written, ipos;
struct inode *inode;
- yaffs_dev_t *dev;
+ struct yaffs_dev *dev;
obj = yaffs_dentry_to_obj(f->f_dentry);
+ if (!obj) {
+ yaffs_trace(YAFFS_TRACE_OS,
+ "yaffs_file_write: hey obj is null!");
+ return -EINVAL;
+ }
+
dev = obj->my_dev;
yaffs_gross_lock(dev);
else
ipos = *pos;
- 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_file_write about to write writing %u(%x) bytes to object %d at %d(%x)",
+ (unsigned)n, (unsigned)n, obj->obj_id, ipos, ipos);
- nWritten = yaffs_wr_file(obj, buf, ipos, n, 0);
+ 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 (nWritten > 0) {
- ipos += nWritten;
+ if (n_written > 0) {
+ ipos += n_written;
*pos = ipos;
if (ipos > inode->i_size) {
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));
}
}
yaffs_gross_unlock(dev);
- return (nWritten == 0) && (n > 0) ? -ENOSPC : nWritten;
+ 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 */
static ssize_t yaffs_hold_space(struct file *f)
{
- yaffs_obj_t *obj;
- yaffs_dev_t *dev;
+ struct yaffs_obj *obj;
+ struct yaffs_dev *dev;
int n_free_chunks;
-
obj = yaffs_dentry_to_obj(f->f_dentry);
dev = obj->my_dev;
static void yaffs_release_space(struct file *f)
{
- yaffs_obj_t *obj;
- yaffs_dev_t *dev;
-
+ struct yaffs_obj *obj;
+ struct yaffs_dev *dev;
obj = yaffs_dentry_to_obj(f->f_dentry);
yaffs_gross_lock(dev);
-
yaffs_gross_unlock(dev);
}
-
-static loff_t yaffs_dir_llseek(struct file *file, loff_t offset, int origin)
-{
- long long retval;
-
- lock_kernel();
-
- switch (origin){
- case 2:
- offset += i_size_read(file->f_path.dentry->d_inode);
- break;
- case 1:
- offset += file->f_pos;
- }
- retval = -EINVAL;
-
- if (offset >= 0){
- if (offset != file->f_pos)
- file->f_pos = offset;
-
- retval = offset;
- }
- unlock_kernel();
- return retval;
-}
-
-
static int yaffs_readdir(struct file *f, void *dirent, filldir_t filldir)
{
- yaffs_obj_t *obj;
- yaffs_dev_t *dev;
- struct yaffs_SearchContext *sc;
+ struct yaffs_obj *obj;
+ struct yaffs_dev *dev;
+ struct yaffs_search_context *sc;
struct inode *inode = f->f_dentry->d_inode;
unsigned long offset, curoffs;
- yaffs_obj_t *l;
- int retVal = 0;
+ struct yaffs_obj *l;
+ int ret_val = 0;
char name[YAFFS_MAX_NAME_LENGTH + 1];
yaffs_gross_lock(dev);
- yaffs_dev_to_lc(dev)->readdirProcess = current;
+ yaffs_dev_to_lc(dev)->readdir_process = current;
offset = f->f_pos;
- sc = yaffs_NewSearch(obj);
- if(!sc){
- retVal = -ENOMEM;
- goto out;
- }
+ sc = yaffs_new_search(obj);
+ if (!sc) {
+ ret_val = -ENOMEM;
+ 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){
+ if (filldir(dirent, ".", 1, offset, inode->i_ino, DT_DIR) < 0) {
yaffs_gross_lock(dev);
goto out;
}
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, DT_DIR) < 0){
+ f->f_dentry->d_parent->d_inode->i_ino,
+ DT_DIR) < 0) {
yaffs_gross_lock(dev);
goto out;
}
f->f_version = inode->i_version;
}
- while(sc->nextReturn){
+ while (sc->next_return) {
curoffs++;
- l = sc->nextReturn;
+ l = sc->next_return;
if (curoffs >= offset) {
- int this_inode = yaffs_get_obj_inode(l);
- int this_type = yaffs_get_obj_type(l);
+ 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)));
+ 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);
+ yaffs_gross_unlock(dev);
if (filldir(dirent,
- name,
- strlen(name),
- offset,
- this_inode,
- this_type) < 0){
+ name,
+ strlen(name),
+ offset, this_inode, this_type) < 0) {
yaffs_gross_lock(dev);
goto out;
}
- yaffs_gross_lock(dev);
+ yaffs_gross_lock(dev);
offset++;
f->f_pos++;
}
- yaffs_search_advance(sc);
+ yaffs_search_advance(sc);
}
out:
yaffs_search_end(sc);
- yaffs_dev_to_lc(dev)->readdirProcess = NULL;
+ yaffs_dev_to_lc(dev)->readdir_process = NULL;
yaffs_gross_unlock(dev);
- return retVal;
+ return ret_val;
}
-
-
/*
* File creation. Allocate an inode, and we're done..
*/
#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
static int yaffs_mknod(struct inode *dir, struct dentry *dentry, int mode,
- dev_t rdev)
+ dev_t rdev)
#else
static int yaffs_mknod(struct inode *dir, struct dentry *dentry, int mode,
- int rdev)
+ int rdev)
#endif
{
struct inode *inode;
- yaffs_obj_t *obj = NULL;
- yaffs_dev_t *dev;
+ struct yaffs_obj *obj = NULL;
+ struct yaffs_dev *dev;
- yaffs_obj_t *parent = yaffs_InodeToObject(dir);
+ struct yaffs_obj *parent = yaffs_inode_to_obj(dir);
int error = -ENOSPC;
uid_t uid = YCRED(current)->fsuid;
- gid_t gid = (dir->i_mode & S_ISGID) ? dir->i_gid : YCRED(current)->fsgid;
+ gid_t gid =
+ (dir->i_mode & S_ISGID) ? dir->i_gid : YCRED(current)->fsgid;
if ((dir->i_mode & S_ISGID) && S_ISDIR(mode))
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,
- gid, old_encode_dev(rdev));
+ obj =
+ yaffs_create_special(parent, dentry->d_name.name, mode, uid,
+ gid, old_encode_dev(rdev));
#else
- obj = yaffs_create_special(parent, dentry->d_name.name, mode, uid,
- gid, rdev);
+ obj =
+ yaffs_create_special(parent, dentry->d_name.name, mode, uid,
+ gid, rdev);
#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);
+ 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);
+ 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);
+ 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 retVal;
- T(YAFFS_TRACE_OS, (TSTR("yaffs_mkdir\n")));
- retVal = yaffs_mknod(dir, dentry, mode | S_IFDIR, 0);
- return retVal;
+ int ret_val;
+ yaffs_trace(YAFFS_TRACE_OS, "yaffs_mkdir");
+ ret_val = yaffs_mknod(dir, dentry, mode | S_IFDIR, 0);
+ return ret_val;
}
#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
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);
}
static int yaffs_unlink(struct inode *dir, struct dentry *dentry)
{
- int retVal;
+ int ret_val;
- yaffs_dev_t *dev;
- yaffs_obj_t *obj;
+ 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));
- obj = yaffs_InodeToObject(dir);
+ 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;
yaffs_gross_lock(dev);
- retVal = yaffs_unlinker(obj, dentry->d_name.name);
+ ret_val = yaffs_unlinker(obj, dentry->d_name.name);
- if (retVal == YAFFS_OK) {
+ if (ret_val == YAFFS_OK) {
dentry->d_inode->i_nlink--;
dir->i_version++;
yaffs_gross_unlock(dev);
* Create a link...
*/
static int yaffs_link(struct dentry *old_dentry, struct inode *dir,
- struct dentry *dentry)
+ struct dentry *dentry)
{
struct inode *inode = old_dentry->d_inode;
- yaffs_obj_t *obj = NULL;
- yaffs_obj_t *link = NULL;
- yaffs_dev_t *dev;
+ struct yaffs_obj *obj = NULL;
+ 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_InodeToObject(inode);
+ 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_InodeToObject(dir), dentry->d_name.name,
- obj);
+ 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 (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"),
+ 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)));
+ atomic_read(&old_dentry->d_inode->i_count));
}
yaffs_gross_unlock(dev);
- if (link){
+ if (link) {
update_dir_time(dir);
return 0;
}
}
static int yaffs_symlink(struct inode *dir, struct dentry *dentry,
- const char *symname)
+ const char *symname)
{
- yaffs_obj_t *obj;
- yaffs_dev_t *dev;
+ 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;
+ 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_InodeToObject(dir)->my_dev;
+ dev = yaffs_inode_to_obj(dir)->my_dev;
yaffs_gross_lock(dev);
- obj = yaffs_create_symlink(yaffs_InodeToObject(dir), dentry->d_name.name,
- S_IFLNK | S_IRWXUGO, uid, gid, symname);
+ 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) {
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;
static int yaffs_sync_object(struct file *file, int datasync)
#else
static int yaffs_sync_object(struct file *file, struct dentry *dentry,
- int datasync)
+ int datasync)
#endif
{
- yaffs_obj_t *obj;
- yaffs_dev_t *dev;
+ struct yaffs_obj *obj;
+ struct yaffs_dev *dev;
#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 34))
struct dentry *dentry = file->f_path.dentry;
#endif
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);
static int yaffs_rename(struct inode *old_dir, struct dentry *old_dentry,
struct inode *new_dir, struct dentry *new_dentry)
{
- yaffs_dev_t *dev;
- int retVal = YAFFS_FAIL;
- yaffs_obj_t *target;
+ struct yaffs_dev *dev;
+ int ret_val = YAFFS_FAIL;
+ struct yaffs_obj *target;
- T(YAFFS_TRACE_OS, (TSTR("yaffs_rename\n")));
- dev = yaffs_InodeToObject(old_dir)->my_dev;
+ yaffs_trace(YAFFS_TRACE_OS, "yaffs_rename");
+ 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_InodeToObject(new_dir),
- new_dentry->d_name.name);
-
-
+ 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 &&
- !ylist_empty(&target->variant.dir_variant.children)) {
+ !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");
- retVal = YAFFS_FAIL;
+ 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");
- retVal = yaffs_rename_obj(yaffs_InodeToObject(old_dir),
- old_dentry->d_name.name,
- yaffs_InodeToObject(new_dir),
- new_dentry->d_name.name);
+ 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 (retVal == YAFFS_OK) {
+ if (ret_val == YAFFS_OK) {
if (target) {
new_dentry->d_inode->i_nlink--;
mark_inode_dirty(new_dentry->d_inode);
}
-
+
update_dir_time(old_dir);
- if(old_dir != new_dir)
+ if (old_dir != new_dir)
update_dir_time(new_dir);
return 0;
} else {
{
struct inode *inode = dentry->d_inode;
int error = 0;
- yaffs_dev_t *dev;
+ struct yaffs_dev *dev;
- T(YAFFS_TRACE_OS,
- (TSTR("yaffs_setattr of object %d\n"),
- yaffs_InodeToObject(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))
+ /* Fail if a requested resize >= 2GB */
+ if (attr->ia_valid & ATTR_SIZE && (attr->ia_size >> 31))
error = -EINVAL;
if (error == 0)
error = inode_change_ok(inode, attr);
if (error == 0) {
int result;
- if (!error){
+ 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;
+ 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_InodeToObject(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)));
+ 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_InodeToObject(inode), attr);
- if(result == YAFFS_OK) {
+ result = yaffs_set_attribs(yaffs_inode_to_obj(inode), attr);
+ if (result == YAFFS_OK) {
error = 0;
} else {
error = -EPERM;
}
- 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;
}
#ifdef CONFIG_YAFFS_XATTR
-int yaffs_setxattr(struct dentry *dentry, const char *name,
- const void *value, size_t size, int flags)
+static int yaffs_setxattr(struct dentry *dentry, const char *name,
+ const void *value, size_t size, int flags)
{
struct inode *inode = dentry->d_inode;
int error = 0;
- yaffs_dev_t *dev;
- yaffs_obj_t *obj = yaffs_InodeToObject(inode);
-
- T(YAFFS_TRACE_OS,
- (TSTR("yaffs_setxattr of object %d\n"),
- obj->obj_id));
+ struct yaffs_dev *dev;
+ struct yaffs_obj *obj = yaffs_inode_to_obj(inode);
+ yaffs_trace(YAFFS_TRACE_OS, "yaffs_setxattr of object %d", 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)
+ if (result == YAFFS_OK)
error = 0;
- else if(result < 0)
+ else if (result < 0)
error = 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;
}
-
-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;
- yaffs_dev_t *dev;
- yaffs_obj_t *obj = yaffs_InodeToObject(inode);
+ 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;
}
-int yaffs_removexattr(struct dentry *dentry, const char *name)
+static int yaffs_removexattr(struct dentry *dentry, const char *name)
{
struct inode *inode = dentry->d_inode;
int error = 0;
- yaffs_dev_t *dev;
- yaffs_obj_t *obj = yaffs_InodeToObject(inode);
-
- T(YAFFS_TRACE_OS,
- (TSTR("yaffs_removexattr of object %d\n"),
- obj->obj_id));
+ struct yaffs_dev *dev;
+ struct yaffs_obj *obj = yaffs_inode_to_obj(inode);
+ yaffs_trace(YAFFS_TRACE_OS,
+ "yaffs_removexattr of object %d", obj->obj_id);
if (error == 0) {
int result;
dev = obj->my_dev;
yaffs_gross_lock(dev);
result = yaffs_remove_xattrib(obj, name);
- if(result == YAFFS_OK)
+ if (result == YAFFS_OK)
error = 0;
- else if(result < 0)
+ else if (result < 0)
error = 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;
}
-ssize_t yaffs_listxattr(struct dentry *dentry, char *buff, size_t size)
+static ssize_t yaffs_listxattr(struct dentry * dentry, char *buff, size_t size)
{
struct inode *inode = dentry->d_inode;
int error = 0;
- yaffs_dev_t *dev;
- yaffs_obj_t *obj = yaffs_InodeToObject(inode);
-
- T(YAFFS_TRACE_OS,
- (TSTR("yaffs_listxattr of object %d\n"),
- obj->obj_id));
+ struct yaffs_dev *dev;
+ struct yaffs_obj *obj = yaffs_inode_to_obj(inode);
+ 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;
}
#endif
-
#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17))
static int yaffs_statfs(struct dentry *dentry, struct kstatfs *buf)
{
- yaffs_dev_t *dev = yaffs_dentry_to_obj(dentry)->my_dev;
+ struct yaffs_dev *dev = yaffs_dentry_to_obj(dentry)->my_dev;
struct super_block *sb = dentry->d_sb;
#elif (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
static int yaffs_statfs(struct super_block *sb, struct kstatfs *buf)
{
- yaffs_dev_t *dev = yaffs_SuperToDevice(sb);
+ struct yaffs_dev *dev = yaffs_super_to_dev(sb);
#else
static int yaffs_statfs(struct super_block *sb, struct statfs *buf)
{
- yaffs_dev_t *dev = yaffs_SuperToDevice(sb);
+ 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);
if (dev->data_bytes_per_chunk & (dev->data_bytes_per_chunk - 1)) {
/* Do this if chunk size is not a power of 2 */
- uint64_t bytesInDev;
- uint64_t bytesFree;
+ uint64_t bytes_in_dev;
+ uint64_t bytes_free;
- bytesInDev = ((uint64_t)((dev->param.end_block - dev->param.start_block + 1))) *
- ((uint64_t)(dev->param.chunks_per_block * dev->data_bytes_per_chunk));
+ bytes_in_dev =
+ ((uint64_t)
+ ((dev->param.end_block - dev->param.start_block +
+ 1))) * ((uint64_t) (dev->param.chunks_per_block *
+ dev->data_bytes_per_chunk));
- do_div(bytesInDev, sb->s_blocksize); /* bytesInDev becomes the number of blocks */
- buf->f_blocks = bytesInDev;
+ do_div(bytes_in_dev, sb->s_blocksize); /* bytes_in_dev becomes the number of blocks */
+ buf->f_blocks = bytes_in_dev;
- bytesFree = ((uint64_t)(yaffs_get_n_free_chunks(dev))) *
- ((uint64_t)(dev->data_bytes_per_chunk));
+ bytes_free = ((uint64_t) (yaffs_get_n_free_chunks(dev))) *
+ ((uint64_t) (dev->data_bytes_per_chunk));
- do_div(bytesFree, sb->s_blocksize);
+ do_div(bytes_free, sb->s_blocksize);
- buf->f_bfree = bytesFree;
+ buf->f_bfree = bytes_free;
} else if (sb->s_blocksize > dev->data_bytes_per_chunk) {
buf->f_blocks =
- (dev->param.end_block - dev->param.start_block + 1) *
- dev->param.chunks_per_block /
- (sb->s_blocksize / dev->data_bytes_per_chunk);
+ (dev->param.end_block - dev->param.start_block + 1) *
+ dev->param.chunks_per_block /
+ (sb->s_blocksize / dev->data_bytes_per_chunk);
buf->f_bfree =
- yaffs_get_n_free_chunks(dev) /
- (sb->s_blocksize / dev->data_bytes_per_chunk);
+ yaffs_get_n_free_chunks(dev) /
+ (sb->s_blocksize / dev->data_bytes_per_chunk);
} else {
buf->f_blocks =
- (dev->param.end_block - dev->param.start_block + 1) *
- dev->param.chunks_per_block *
- (dev->data_bytes_per_chunk / sb->s_blocksize);
+ (dev->param.end_block - dev->param.start_block + 1) *
+ dev->param.chunks_per_block *
+ (dev->data_bytes_per_chunk / sb->s_blocksize);
buf->f_bfree =
- yaffs_get_n_free_chunks(dev) *
- (dev->data_bytes_per_chunk / sb->s_blocksize);
+ yaffs_get_n_free_chunks(dev) *
+ (dev->data_bytes_per_chunk / sb->s_blocksize);
}
buf->f_files = 0;
return 0;
}
-
-
static void yaffs_flush_inodes(struct super_block *sb)
{
struct inode *iptr;
- yaffs_obj_t *obj;
-
- list_for_each_entry(iptr,&sb->s_inodes, i_sb_list){
- obj = yaffs_InodeToObject(iptr);
- if(obj){
- T(YAFFS_TRACE_OS, (TSTR("flushing obj %d\n"),
- obj->obj_id));
- yaffs_flush_file(obj,1,0);
+ struct yaffs_obj *obj;
+
+ list_for_each_entry(iptr, &sb->s_inodes, i_sb_list) {
+ obj = yaffs_inode_to_obj(iptr);
+ if (obj) {
+ yaffs_trace(YAFFS_TRACE_OS,
+ "flushing obj %d",
+ obj->obj_id);
+ yaffs_flush_file(obj, 1, 0);
}
}
}
-
static void yaffs_flush_super(struct super_block *sb, int do_checkpoint)
{
- yaffs_dev_t *dev = yaffs_SuperToDevice(sb);
- if(!dev)
+ struct yaffs_dev *dev = yaffs_super_to_dev(sb);
+ if (!dev)
return;
-
+
yaffs_flush_inodes(sb);
yaffs_update_dirty_dirs(dev);
yaffs_flush_whole_cache(dev);
- if(do_checkpoint)
+ if (do_checkpoint)
yaffs_checkpoint_save(dev);
}
-
-static unsigned yaffs_bg_gc_urgency(yaffs_dev_t *dev)
+static unsigned yaffs_bg_gc_urgency(struct yaffs_dev *dev)
{
- unsigned erasedChunks = dev->n_erased_blocks * dev->param.chunks_per_block;
- struct yaffs_LinuxContext *context = yaffs_dev_to_lc(dev);
- unsigned scatteredFree = 0; /* Free chunks not in an erased block */
+ unsigned erased_chunks =
+ dev->n_erased_blocks * dev->param.chunks_per_block;
+ struct yaffs_linux_context *context = yaffs_dev_to_lc(dev);
+ unsigned scattered = 0; /* Free chunks not in an erased block */
- if(erasedChunks < dev->n_free_chunks)
- scatteredFree = (dev->n_free_chunks - erasedChunks);
+ if (erased_chunks < dev->n_free_chunks)
+ scattered = (dev->n_free_chunks - erased_chunks);
- if(!context->bgRunning)
+ if (!context->bg_running)
return 0;
- else if(scatteredFree < (dev->param.chunks_per_block * 2))
+ else if (scattered < (dev->param.chunks_per_block * 2))
return 0;
- else if(erasedChunks > dev->n_free_chunks/2)
+ else if (erased_chunks > dev->n_free_chunks / 2)
return 0;
- else if(erasedChunks > dev->n_free_chunks/4)
+ else if (erased_chunks > dev->n_free_chunks / 4)
return 1;
else
return 2;
}
-static int yaffs_do_sync_fs(struct super_block *sb,
- int request_checkpoint)
+static int yaffs_do_sync_fs(struct super_block *sb, int request_checkpoint)
{
- yaffs_dev_t *dev = yaffs_SuperToDevice(sb);
+ struct yaffs_dev *dev = yaffs_super_to_dev(sb);
unsigned int oneshot_checkpoint = (yaffs_auto_checkpoint & 4);
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"),
+ 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" : "" ));
+ oneshot_checkpoint ? " one-shot" : "");
yaffs_gross_lock(dev);
do_checkpoint = ((request_checkpoint && !gc_urgent) ||
- oneshot_checkpoint) &&
- !dev->is_checkpointed;
+ oneshot_checkpoint) && !dev->is_checkpointed;
if (sb->s_dirt || do_checkpoint) {
yaffs_flush_super(sb, !dev->is_checkpointed && do_checkpoint);
sb->s_dirt = 0;
- if(oneshot_checkpoint)
+ if (oneshot_checkpoint)
yaffs_auto_checkpoint &= ~4;
}
yaffs_gross_unlock(dev);
* yaffs_bg_start() launches the background thread.
* yaffs_bg_stop() cleans up the background thread.
*
- * NB:
+ * NB:
* The thread should only run after the yaffs is initialised
* The thread should be stopped before yaffs is unmounted.
* The thread should not do any writing while the fs is in read only.
static int yaffs_bg_thread_fn(void *data)
{
- yaffs_dev_t *dev = (yaffs_dev_t *)data;
- struct yaffs_LinuxContext *context = yaffs_dev_to_lc(dev);
+ struct yaffs_dev *dev = (struct yaffs_dev *)data;
+ struct yaffs_linux_context *context = yaffs_dev_to_lc(dev);
unsigned long now = jiffies;
unsigned long next_dir_update = now;
unsigned long next_gc = now;
unsigned long expires;
unsigned int urgency;
- int gcResult;
+ 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->bgRunning){
- T(YAFFS_TRACE_BACKGROUND,
- (TSTR("yaffs_background\n")));
+ while (context->bg_running) {
+ yaffs_trace(YAFFS_TRACE_BACKGROUND, "yaffs_background");
- if(kthread_should_stop())
+ if (kthread_should_stop())
break;
#ifdef YAFFS_COMPILE_FREEZER
- if(try_to_freeze())
+ if (try_to_freeze())
continue;
#endif
yaffs_gross_lock(dev);
now = jiffies;
- if(time_after(now, next_dir_update) && yaffs_bg_enable){
+ if (time_after(now, next_dir_update) && yaffs_bg_enable) {
yaffs_update_dirty_dirs(dev);
next_dir_update = now + HZ;
}
- if(time_after(now,next_gc) && yaffs_bg_enable){
- if(!dev->is_checkpointed){
+ if (time_after(now, next_gc) && yaffs_bg_enable) {
+ if (!dev->is_checkpointed) {
urgency = yaffs_bg_gc_urgency(dev);
- gcResult = yaffs_bg_gc(dev, urgency);
- if(urgency > 1)
- next_gc = now + HZ/20+1;
- else if(urgency > 0)
- next_gc = now + HZ/10+1;
+ gc_result = yaffs_bg_gc(dev, urgency);
+ if (urgency > 1)
+ next_gc = now + HZ / 20 + 1;
+ else if (urgency > 0)
+ next_gc = now + HZ / 10 + 1;
else
next_gc = now + HZ * 2;
- } else /*
- * gc not running so set to next_dir_update
- * to cut down on wake ups
- */
+ } else {
+ /*
+ * gc not running so set to next_dir_update
+ * to cut down on wake ups
+ */
next_gc = next_dir_update;
+ }
}
yaffs_gross_unlock(dev);
#if 1
expires = next_dir_update;
- if (time_before(next_gc,expires))
+ if (time_before(next_gc, expires))
expires = next_gc;
- if(time_before(expires,now))
+ if (time_before(expires, now))
expires = now + HZ;
Y_INIT_TIMER(&timer);
- timer.expires = expires+1;
- timer.data = (unsigned long) current;
+ timer.expires = expires + 1;
+ timer.data = (unsigned long)current;
timer.function = yaffs_background_waker;
- set_current_state(TASK_INTERRUPTIBLE);
+ set_current_state(TASK_INTERRUPTIBLE);
add_timer(&timer);
schedule();
del_timer_sync(&timer);
return 0;
}
-static int yaffs_bg_start(yaffs_dev_t *dev)
+static int yaffs_bg_start(struct yaffs_dev *dev)
{
int retval = 0;
- struct yaffs_LinuxContext *context = yaffs_dev_to_lc(dev);
+ struct yaffs_linux_context *context = yaffs_dev_to_lc(dev);
- if(dev->read_only)
+ if (dev->read_only)
return -1;
- context->bgRunning = 1;
+ context->bg_running = 1;
- context->bgThread = kthread_run(yaffs_bg_thread_fn,
- (void *)dev,"yaffs-bg-%d",context->mount_id);
+ context->bg_thread = kthread_run(yaffs_bg_thread_fn,
+ (void *)dev, "yaffs-bg-%d",
+ context->mount_id);
- if(IS_ERR(context->bgThread)){
- retval = PTR_ERR(context->bgThread);
- context->bgThread = NULL;
- context->bgRunning = 0;
+ if (IS_ERR(context->bg_thread)) {
+ retval = PTR_ERR(context->bg_thread);
+ context->bg_thread = NULL;
+ context->bg_running = 0;
}
return retval;
}
-static void yaffs_bg_stop(yaffs_dev_t *dev)
+static void yaffs_bg_stop(struct yaffs_dev *dev)
{
- struct yaffs_LinuxContext *ctxt = yaffs_dev_to_lc(dev);
+ struct yaffs_linux_context *ctxt = yaffs_dev_to_lc(dev);
- ctxt->bgRunning = 0;
+ ctxt->bg_running = 0;
- if( ctxt->bgThread){
- kthread_stop(ctxt->bgThread);
- ctxt->bgThread = NULL;
+ if (ctxt->bg_thread) {
+ kthread_stop(ctxt->bg_thread);
+ ctxt->bg_thread = NULL;
}
}
#else
return 0;
}
-static int yaffs_bg_start(yaffs_dev_t *dev)
+static int yaffs_bg_start(struct yaffs_dev *dev)
{
return 0;
}
-static void yaffs_bg_stop(yaffs_dev_t *dev)
+static void yaffs_bg_stop(struct yaffs_dev *dev)
{
}
#endif
-
#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17))
static void yaffs_write_super(struct super_block *sb)
#else
{
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);
#endif
}
-
#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17))
static int yaffs_sync_fs(struct super_block *sb, int wait)
#else
{
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);
static struct inode *yaffs_iget(struct super_block *sb, unsigned long ino)
{
struct inode *inode;
- yaffs_obj_t *obj;
- yaffs_dev_t *dev = yaffs_SuperToDevice(sb);
+ 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)
* need to lock again.
*/
- yaffs_obj_t *obj;
- yaffs_dev_t *dev = yaffs_SuperToDevice(inode->i_sb);
+ 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)->readdirProcess)
+ if (current != yaffs_dev_to_lc(dev)->readdir_process)
yaffs_gross_lock(dev);
obj = yaffs_find_by_number(dev, inode->i_ino);
yaffs_fill_inode_from_obj(inode, obj);
- if(current != yaffs_dev_to_lc(dev)->readdirProcess)
+ if (current != yaffs_dev_to_lc(dev)->readdir_process)
yaffs_gross_unlock(dev);
}
#endif
-static YLIST_HEAD(yaffs_context_list);
-struct semaphore yaffs_context_lock;
+static LIST_HEAD(yaffs_context_list);
+struct mutex yaffs_context_lock;
static void yaffs_put_super(struct super_block *sb)
{
- yaffs_dev_t *dev = yaffs_SuperToDevice(sb);
+ 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);
- yaffs_flush_super(sb,1);
-
- if (yaffs_dev_to_lc(dev)->putSuperFunc)
- yaffs_dev_to_lc(dev)->putSuperFunc(sb);
+ 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);
- down(&yaffs_context_lock);
- ylist_del_init(&(yaffs_dev_to_lc(dev)->contextList));
- up(&yaffs_context_lock);
+ 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)->spareBuffer) {
- YFREE(yaffs_dev_to_lc(dev)->spareBuffer);
- yaffs_dev_to_lc(dev)->spareBuffer = NULL;
+ 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_MTDPutSuper(struct super_block *sb)
+static void yaffs_mtd_put_super(struct super_block *sb)
{
- struct mtd_info *mtd = yaffs_dev_to_mtd(yaffs_SuperToDevice(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(yaffs_dev_t *dev)
+static void yaffs_touch_super(struct yaffs_dev *dev)
{
- struct super_block *sb = yaffs_dev_to_lc(dev)->superBlock;
+ 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;
}
-typedef struct {
+struct yaffs_options {
int inband_tags;
int skip_checkpoint_read;
int skip_checkpoint_write;
int lazy_loading_overridden;
int empty_lost_and_found;
int empty_lost_and_found_overridden;
-} yaffs_options;
+};
#define MAX_OPT_LEN 30
-static int yaffs_parse_options(yaffs_options *options, const char *options_str)
+static int yaffs_parse_options(struct yaffs_options *options,
+ const char *options_str)
{
char cur_opt[MAX_OPT_LEN + 1];
int p;
memset(cur_opt, 0, MAX_OPT_LEN + 1);
p = 0;
- while(*options_str == ',')
+ while (*options_str == ',')
options_str++;
while (*options_str && *options_str != ',') {
options_str++;
}
- if (!strcmp(cur_opt, "inband-tags"))
+ if (!strcmp(cur_opt, "inband-tags")) {
options->inband_tags = 1;
- else if (!strcmp(cur_opt, "tags-ecc-off")){
+ } else if (!strcmp(cur_opt, "tags-ecc-off")) {
options->tags_ecc_on = 0;
- options->tags_ecc_overridden=1;
- } else if (!strcmp(cur_opt, "tags-ecc-on")){
+ options->tags_ecc_overridden = 1;
+ } else if (!strcmp(cur_opt, "tags-ecc-on")) {
options->tags_ecc_on = 1;
options->tags_ecc_overridden = 1;
- } else if (!strcmp(cur_opt, "lazy-loading-off")){
+ } else if (!strcmp(cur_opt, "lazy-loading-off")) {
options->lazy_loading_enabled = 0;
- options->lazy_loading_overridden=1;
- } else if (!strcmp(cur_opt, "lazy-loading-on")){
+ options->lazy_loading_overridden = 1;
+ } else if (!strcmp(cur_opt, "lazy-loading-on")) {
options->lazy_loading_enabled = 1;
options->lazy_loading_overridden = 1;
- } else if (!strcmp(cur_opt, "empty-lost-and-found-off")){
+ } else if (!strcmp(cur_opt, "empty-lost-and-found-off")) {
options->empty_lost_and_found = 0;
- options->empty_lost_and_found_overridden=1;
- } else if (!strcmp(cur_opt, "empty-lost-and-found-on")){
+ options->empty_lost_and_found_overridden = 1;
+ } else if (!strcmp(cur_opt, "empty-lost-and-found-on")) {
options->empty_lost_and_found = 1;
- options->empty_lost_and_found_overridden=1;
- } else if (!strcmp(cur_opt, "no-cache"))
+ options->empty_lost_and_found_overridden = 1;
+ } else if (!strcmp(cur_opt, "no-cache")) {
options->no_cache = 1;
- else if (!strcmp(cur_opt, "no-checkpoint-read"))
+ } else if (!strcmp(cur_opt, "no-checkpoint-read")) {
options->skip_checkpoint_read = 1;
- else if (!strcmp(cur_opt, "no-checkpoint-write"))
+ } else if (!strcmp(cur_opt, "no-checkpoint-write")) {
options->skip_checkpoint_write = 1;
- else if (!strcmp(cur_opt, "no-checkpoint")) {
+ } else if (!strcmp(cur_opt, "no-checkpoint")) {
options->skip_checkpoint_read = 1;
options->skip_checkpoint_write = 1;
} else {
printk(KERN_INFO "yaffs: Bad mount option \"%s\"\n",
- cur_opt);
+ cur_opt);
error = 1;
}
}
}
static struct super_block *yaffs_internal_read_super(int yaffs_version,
- struct super_block *sb,
- void *data, int silent)
+ struct super_block *sb,
+ void *data, int silent)
{
- int nBlocks;
+ int n_blocks;
struct inode *inode = NULL;
struct dentry *root;
- yaffs_dev_t *dev = 0;
+ struct yaffs_dev *dev = 0;
char devname_buf[BDEVNAME_SIZE + 1];
struct mtd_info *mtd;
int err;
char *data_str = (char *)data;
- struct yaffs_LinuxContext *context = NULL;
- yaffs_param_t *param;
+ struct yaffs_linux_context *context = NULL;
+ struct yaffs_param *param;
int read_only = 0;
- yaffs_options options;
+ struct yaffs_options options;
unsigned mount_id;
int found;
- struct yaffs_LinuxContext *context_iterator;
- struct ylist_head *l;
+ struct yaffs_linux_context *context_iterator;
+ struct list_head *l;
+
+ if (!sb) {
+ printk(KERN_INFO "yaffs: sb is NULL\n");
+ return NULL;
+ }
sb->s_magic = YAFFS_MAGIC;
sb->s_op = &yaffs_super_ops;
sb->s_flags |= MS_NOATIME;
- read_only =((sb->s_flags & MS_RDONLY) != 0);
-
+ read_only = ((sb->s_flags & MS_RDONLY) != 0);
#ifdef YAFFS_COMPILE_EXPORTFS
sb->s_export_op = &yaffs_export_ops;
#endif
- if (!sb)
- printk(KERN_INFO "yaffs: sb is NULL\n");
- else if (!sb->s_dev)
+ if (!sb->s_dev)
printk(KERN_INFO "yaffs: sb->s_dev is NULL\n");
else if (!yaffs_devname(sb, devname_buf))
printk(KERN_INFO "yaffs: devname is NULL\n");
else
printk(KERN_INFO "yaffs: dev is %d name is \"%s\" %s\n",
sb->s_dev,
- yaffs_devname(sb, devname_buf),
- read_only ? "ro" : "rw");
+ yaffs_devname(sb, devname_buf), read_only ? "ro" : "rw");
if (!data_str)
data_str = "";
return NULL;
}
-
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")));
+ if (yaffs_version == 2 && !options.inband_tags
+ && WRITE_SIZE(mtd) == 512) {
+ yaffs_trace(YAFFS_TRACE_ALWAYS, "auto selecting yaffs1");
yaffs_version = 1;
}
-
#endif
if (yaffs_version == 2) {
/* Check for version 2 style functions */
if (!mtd->erase ||
!mtd->block_isbad ||
- !mtd->block_markbad ||
- !mtd->read ||
- !mtd->write ||
+ !mtd->block_markbad || !mtd->read || !mtd->write ||
#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17))
!mtd->read_oob || !mtd->write_oob) {
#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_MIN_YAFFS2_CHUNK_SIZE ||
- mtd->oobsize < YAFFS_MIN_YAFFS2_SPARE_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 {
/* Check for V1 style functions */
- if (!mtd->erase ||
- !mtd->read ||
- !mtd->write ||
+ if (!mtd->erase || !mtd->read || !mtd->write ||
#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17))
!mtd->read_oob || !mtd->write_oob) {
#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;
}
}
/* OK, so if we got here, we have an MTD that's NAND and looks
* like it has the right capabilities
- * Set the yaffs_dev_t up for mtd
+ * Set the struct yaffs_dev up for mtd
*/
- if (!read_only && !(mtd->flags & MTD_WRITEABLE)){
+ if (!read_only && !(mtd->flags & MTD_WRITEABLE)) {
read_only = 1;
- printk(KERN_INFO "yaffs: mtd is read only, setting superblock read only");
+ printk(KERN_INFO
+ "yaffs: mtd is read only, setting superblock read only\n"
+ );
sb->s_flags |= MS_RDONLY;
}
- dev = kmalloc(sizeof(yaffs_dev_t), GFP_KERNEL);
- context = kmalloc(sizeof(struct yaffs_LinuxContext),GFP_KERNEL);
-
- if(!dev || !context ){
- if(dev)
+ dev = kmalloc(sizeof(struct yaffs_dev), GFP_KERNEL);
+ context = kmalloc(sizeof(struct yaffs_linux_context), GFP_KERNEL);
+
+ if (!dev || !context) {
+ if (dev)
kfree(dev);
- if(context)
+ if (context)
kfree(context);
dev = NULL;
context = NULL;
if (!dev) {
/* Deep shit could not allocate device structure */
- T(YAFFS_TRACE_ALWAYS,
- (TSTR("yaffs_read_super: Failed trying to allocate "
- "yaffs_dev_t. \n")));
+ yaffs_trace(YAFFS_TRACE_ALWAYS,
+ "yaffs_read_super: Failed trying to allocate struct yaffs_dev."
+ );
return NULL;
}
- memset(dev, 0, sizeof(yaffs_dev_t));
+ memset(dev, 0, sizeof(struct yaffs_dev));
param = &(dev->param);
- memset(context,0,sizeof(struct yaffs_LinuxContext));
+ memset(context, 0, sizeof(struct yaffs_linux_context));
dev->os_context = context;
- YINIT_LIST_HEAD(&(context->contextList));
+ INIT_LIST_HEAD(&(context->context_list));
context->dev = dev;
- context->superBlock = sb;
+ context->super = sb;
dev->read_only = read_only;
#else
sb->u.generic_sbp = dev;
#endif
-
+
dev->driver_context = mtd;
param->name = mtd->name;
/* Set up the memory size parameters.... */
- nBlocks = YCALCBLOCKS(mtd->size, (YAFFS_CHUNKS_PER_BLOCK * YAFFS_BYTES_PER_CHUNK));
+ n_blocks =
+ YCALCBLOCKS(mtd->size,
+ (YAFFS_CHUNKS_PER_BLOCK * YAFFS_BYTES_PER_CHUNK));
param->start_block = 0;
- param->end_block = nBlocks - 1;
+ param->end_block = n_blocks - 1;
param->chunks_per_block = YAFFS_CHUNKS_PER_BLOCK;
param->total_bytes_per_chunk = YAFFS_BYTES_PER_CHUNK;
param->n_reserved_blocks = 5;
#ifdef CONFIG_YAFFS_XATTR
param->enable_xattr = 1;
#endif
- if(options.lazy_loading_overridden)
+ if (options.lazy_loading_overridden)
param->disable_lazy_load = !options.lazy_loading_enabled;
#ifdef CONFIG_YAFFS_DISABLE_TAGS_ECC
param->defered_dir_update = 1;
#endif
- if(options.tags_ecc_overridden)
+ if (options.tags_ecc_overridden)
param->no_tags_ecc = !options.tags_ecc_on;
#ifdef CONFIG_YAFFS_EMPTY_LOST_AND_FOUND
param->always_check_erased = 1;
#endif
- if(options.empty_lost_and_found_overridden)
+ if (options.empty_lost_and_found_overridden)
param->empty_lost_n_found = options.empty_lost_and_found;
/* ... and the functions. */
if (yaffs_version == 2) {
- param->write_chunk_tags_fn =
- nandmtd2_WriteChunkWithTagsToNAND;
- param->read_chunk_tags_fn =
- nandmtd2_ReadChunkWithTagsFromNAND;
- param->bad_block_fn = nandmtd2_MarkNANDBlockBad;
- param->query_block_fn = nandmtd2_QueryNANDBlock;
- yaffs_dev_to_lc(dev)->spareBuffer = YMALLOC(mtd->oobsize);
+ param->write_chunk_tags_fn = nandmtd2_write_chunk_tags;
+ 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 =
+ 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;
param->total_bytes_per_chunk = mtd->oobblock;
param->chunks_per_block = mtd->erasesize / mtd->oobblock;
#endif
- nBlocks = YCALCBLOCKS(mtd->size, mtd->erasesize);
+ n_blocks = YCALCBLOCKS(mtd->size, mtd->erasesize);
param->start_block = 0;
- param->end_block = nBlocks - 1;
+ param->end_block = n_blocks - 1;
} else {
#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17))
/* use the MTD interface in yaffs_mtdif1.c */
- param->write_chunk_tags_fn =
- nandmtd1_WriteChunkWithTagsToNAND;
- param->read_chunk_tags_fn =
- nandmtd1_ReadChunkWithTagsFromNAND;
- param->bad_block_fn = nandmtd1_MarkNANDBlockBad;
- param->query_block_fn = nandmtd1_QueryNANDBlock;
+ param->write_chunk_tags_fn = nandmtd1_write_chunk_tags;
+ param->read_chunk_tags_fn = nandmtd1_read_chunk_tags;
+ param->bad_block_fn = nandmtd1_mark_block_bad;
+ param->query_block_fn = nandmtd1_query_block;
#else
- param->write_chunk_fn = nandmtd_WriteChunkToNAND;
- param->read_chunk_fn = nandmtd_ReadChunkFromNAND;
+ param->write_chunk_fn = nandmtd_write_chunk;
+ param->read_chunk_fn = nandmtd_read_chunk;
#endif
param->is_yaffs2 = 0;
}
/* ... and common functions */
- param->erase_fn = nandmtd_EraseBlockInNAND;
- param->initialise_flash_fn = nandmtd_InitialiseNAND;
+ param->erase_fn = nandmtd_erase_block;
+ param->initialise_flash_fn = nandmtd_initialise;
- yaffs_dev_to_lc(dev)->putSuperFunc = yaffs_MTDPutSuper;
+ yaffs_dev_to_lc(dev)->put_super_fn = yaffs_mtd_put_super;
param->sb_dirty_fn = yaffs_touch_super;
param->gc_control = yaffs_gc_control_callback;
- yaffs_dev_to_lc(dev)->superBlock= sb;
-
+ yaffs_dev_to_lc(dev)->super = sb;
#ifndef CONFIG_YAFFS_DOES_ECC
param->use_nand_ecc = 1;
param->skip_checkpt_rd = options.skip_checkpoint_read;
param->skip_checkpt_wr = options.skip_checkpoint_write;
- down(&yaffs_context_lock);
+ mutex_lock(&yaffs_context_lock);
/* Get a mount id */
found = 0;
- for(mount_id=0; ! found; mount_id++){
+ for (mount_id = 0; !found; mount_id++) {
found = 1;
- ylist_for_each(l,&yaffs_context_list){
- context_iterator = ylist_entry(l,struct yaffs_LinuxContext,contextList);
- if(context_iterator->mount_id == mount_id)
+ list_for_each(l, &yaffs_context_list) {
+ context_iterator =
+ list_entry(l, struct yaffs_linux_context,
+ context_list);
+ if (context_iterator->mount_id == mount_id)
found = 0;
}
}
context->mount_id = mount_id;
- ylist_add_tail(&(yaffs_dev_to_lc(dev)->contextList), &yaffs_context_list);
- up(&yaffs_context_lock);
+ list_add_tail(&(yaffs_dev_to_lc(dev)->context_list),
+ &yaffs_context_list);
+ mutex_unlock(&yaffs_context_lock);
- /* Directory search handling...*/
- YINIT_LIST_HEAD(&(yaffs_dev_to_lc(dev)->searchContexts));
- param->remove_obj_fn = yaffs_remove_obj_callback;
+ /* Directory search handling... */
+ INIT_LIST_HEAD(&(yaffs_dev_to_lc(dev)->search_contexts));
+ param->remove_obj_fn = yaffs_remove_obj_callback;
- init_MUTEX(&(yaffs_dev_to_lc(dev)->grossLock));
+ mutex_init(&(yaffs_dev_to_lc(dev)->gross_lock));
yaffs_gross_lock(dev);
err = yaffs_guts_initialise(dev);
- T(YAFFS_TRACE_OS,
- (TSTR("yaffs_read_super: guts initialised %s\n"),
- (err == YAFFS_OK) ? "OK" : "FAILED"));
-
- if(err == YAFFS_OK)
+ yaffs_trace(YAFFS_TRACE_OS,
+ "yaffs_read_super: guts initialised %s",
+ (err == YAFFS_OK) ? "OK" : "FAILED");
+
+ if (err == YAFFS_OK)
yaffs_bg_start(dev);
-
- if(!context->bgThread)
- param->defered_dir_update = 0;
+ if (!context->bg_thread)
+ param->defered_dir_update = 0;
/* Release lock before yaffs_get_inode() */
yaffs_gross_unlock(dev);
/* Create root inode */
if (err == YAFFS_OK)
- inode = yaffs_get_inode(sb, S_IFDIR | 0755, 0,
- yaffs_root(dev));
+ inode = yaffs_get_inode(sb, S_IFDIR | 0755, 0, yaffs_root(dev));
if (!inode)
return NULL;
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;
}
-
#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
static int yaffs_internal_read_super_mtd(struct super_block *sb, void *data,
int silent)
FS_REQUIRES_DEV);
#endif
-
#ifdef CONFIG_YAFFS_YAFFS2
#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17))
static int yaffs2_read_super(struct file_system_type *fs,
- int flags, const char *dev_name, void *data,
- struct vfsmount *mnt)
+ int flags, const char *dev_name, void *data,
+ struct vfsmount *mnt)
{
return get_sb_bdev(fs, flags, dev_name, data,
- yaffs2_internal_read_super_mtd, mnt);
+ yaffs2_internal_read_super_mtd, mnt);
}
#else
static struct super_block *yaffs2_read_super(struct file_system_type *fs,
FS_REQUIRES_DEV);
#endif
-#endif /* CONFIG_YAFFS_YAFFS2 */
+#endif /* CONFIG_YAFFS_YAFFS2 */
static struct proc_dir_entry *my_proc_entry;
-static struct proc_dir_entry *debug_proc_entry;
-
-static char *yaffs_dump_dev_part0(char *buf, yaffs_dev_t * 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);
+static char *yaffs_dump_dev_part0(char *buf, struct yaffs_dev *dev)
+{
+ 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, yaffs_dev_t * dev)
+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, "chunk_grp_bits..... %d\n", dev->chunk_grp_bits);
- buf += sprintf(buf, "chunk_grp_size..... %d\n", dev->chunk_grp_size);
+ 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_tnodes............. %d\n", dev->n_tnodes);
+ buf += sprintf(buf, "n_obj................ %d\n", dev->n_obj);
buf += sprintf(buf, "n_free_chunks........ %d\n", dev->n_free_chunks);
buf += sprintf(buf, "\n");
buf += sprintf(buf, "n_page_writes........ %u\n", dev->n_page_writes);
buf += sprintf(buf, "n_page_reads......... %u\n", dev->n_page_reads);
- buf += sprintf(buf, "n_erasures..... %u\n", dev->n_erasures);
+ 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, "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, "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, "nRetireBlocks...... %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, "cache_hits.......... %u\n", dev->cache_hits);
+ 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_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, "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, "refresh_count....... %u\n", dev->refresh_count);
- buf +=
- sprintf(buf, "nBackgroudDeletions %u\n", dev->n_bg_deletions);
+ 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);
return buf;
}
char **start,
off_t offset, int count, int *eof, void *data)
{
- struct ylist_head *item;
+ struct list_head *item;
char *buf = page;
int step = offset;
int n = 0;
/* Print header first */
if (step == 0)
- buf += sprintf(buf, "Multi-version YAFFS built:" __DATE__ " " __TIME__"\n");
+ buf +=
+ sprintf(buf,
+ "Multi-version YAFFS built:" __DATE__ " " __TIME__
+ "\n");
else if (step == 1)
- buf += sprintf(buf,"\n");
+ buf += sprintf(buf, "\n");
else {
- step-=2;
-
- down(&yaffs_context_lock);
+ step -= 2;
+
+ mutex_lock(&yaffs_context_lock);
/* Locate and print the Nth entry. Order N-squared but N is small. */
- ylist_for_each(item, &yaffs_context_list) {
- struct yaffs_LinuxContext *dc = ylist_entry(item, struct yaffs_LinuxContext, contextList);
- yaffs_dev_t *dev = dc->dev;
+ list_for_each(item, &yaffs_context_list) {
+ struct yaffs_linux_context *dc =
+ list_entry(item, struct yaffs_linux_context,
+ context_list);
+ struct yaffs_dev *dev = dc->dev;
if (n < (step & ~1)) {
- n+=2;
+ n += 2;
continue;
}
- if((step & 1)==0){
- buf += sprintf(buf, "\nDevice %d \"%s\"\n", n, dev->param.name);
+ if ((step & 1) == 0) {
+ buf +=
+ sprintf(buf, "\nDevice %d \"%s\"\n", n,
+ dev->param.name);
buf = yaffs_dump_dev_part0(buf, dev);
- } else
+ } else {
buf = yaffs_dump_dev_part1(buf, dev);
-
+ }
+
break;
}
- up(&yaffs_context_lock);
- }
-
- return buf - page < count ? buf - page : count;
-}
-
-static int yaffs_stats_proc_read(char *page,
- char **start,
- off_t offset, int count, int *eof, void *data)
-{
- struct ylist_head *item;
- char *buf = page;
- int n = 0;
-
- down(&yaffs_context_lock);
-
- /* Locate and print the Nth entry. Order N-squared but N is small. */
- ylist_for_each(item, &yaffs_context_list) {
- struct yaffs_LinuxContext *dc = ylist_entry(item, struct yaffs_LinuxContext, contextList);
- yaffs_dev_t *dev = dc->dev;
-
- int erasedChunks;
-
- erasedChunks = dev->n_erased_blocks * dev->param.chunks_per_block;
-
- buf += sprintf(buf,"%d, %d, %d, %u, %u, %u, %u\n",
- n, dev->n_free_chunks, erasedChunks,
- dev->bg_gcs, dev->oldest_dirty_gc_count,
- dev->n_obj, dev->n_tnodes);
+ mutex_unlock(&yaffs_context_lock);
}
- up(&yaffs_context_lock);
-
return buf - page < count ? buf - page : count;
}
{"os", YAFFS_TRACE_OS},
{"scan_debug", YAFFS_TRACE_SCAN_DEBUG},
{"scan", YAFFS_TRACE_SCAN},
+ {"mount", YAFFS_TRACE_MOUNT},
{"tracing", YAFFS_TRACE_TRACING},
{"sync", YAFFS_TRACE_SYNC},
{"write", YAFFS_TRACE_WRITE},
-
{"verify", YAFFS_TRACE_VERIFY},
{"verify_nand", YAFFS_TRACE_VERIFY_NAND},
{"verify_full", YAFFS_TRACE_VERIFY_FULL},
{"verify_all", YAFFS_TRACE_VERIFY_ALL},
-
{"all", 0xffffffff},
{"none", 0},
{NULL, 0},
#define MAX_MASK_NAME_LENGTH 40
static int yaffs_proc_write_trace_options(struct file *file, const char *buf,
- unsigned long count, void *data)
+ unsigned long count, void *data)
{
unsigned rg = 0, mask_bitfield;
char *end;
done = 0;
} else {
for (x = buf + pos, i = 0;
- (*x == '_' || (*x >= 'a' && *x <= 'z')) &&
- i < MAX_MASK_NAME_LENGTH; x++, i++, pos++)
+ (*x == '_' || (*x >= 'a' && *x <= 'z')) &&
+ i < MAX_MASK_NAME_LENGTH; x++, i++, pos++)
substring[i] = *x;
substring[i] = '\0';
for (i = 0; mask_flags[i].mask_name != NULL; i++) {
- if (strcmp(substring, mask_flags[i].mask_name) == 0) {
+ if (strcmp(substring, mask_flags[i].mask_name)
+ == 0) {
mask_name = mask_flags[i].mask_name;
- mask_bitfield = mask_flags[i].mask_bitfield;
+ mask_bitfield =
+ mask_flags[i].mask_bitfield;
done = 0;
break;
}
char flag;
flag = ((rg & mask_flags[i].mask_bitfield) ==
mask_flags[i].mask_bitfield) ? '+' : '-';
- printk(KERN_DEBUG "%c%s\n", flag, mask_flags[i].mask_name);
+ printk(KERN_DEBUG "%c%s\n", flag,
+ mask_flags[i].mask_name);
}
}
return count;
}
-
static int yaffs_proc_write(struct file *file, const char *buf,
- unsigned long count, void *data)
+ unsigned long count, void *data)
{
- return yaffs_proc_write_trace_options(file, buf, count, data);
+ return yaffs_proc_write_trace_options(file, buf, count, data);
}
/* Stuff to handle installation of file systems */
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
-
-
-
- init_MUTEX(&yaffs_context_lock);
+ mutex_init(&yaffs_context_lock);
/* Install the proc_fs entries */
my_proc_entry = create_proc_entry("yaffs",
- S_IRUGO | S_IFREG,
- YPROC_ROOT);
+ S_IRUGO | S_IFREG, YPROC_ROOT);
if (my_proc_entry) {
my_proc_entry->write_proc = yaffs_proc_write;
my_proc_entry->read_proc = yaffs_proc_read;
my_proc_entry->data = NULL;
- } else
- return -ENOMEM;
-
- debug_proc_entry = create_proc_entry("yaffs_stats",
- S_IRUGO | S_IFREG,
- YPROC_ROOT);
-
- if (debug_proc_entry) {
- debug_proc_entry->write_proc = NULL;
- debug_proc_entry->read_proc = yaffs_stats_proc_read;
- debug_proc_entry->data = NULL;
- } else
+ } else {
return -ENOMEM;
+ }
/* Now add the file system entries */
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);
- remove_proc_entry("yaffs_stats", YPROC_ROOT);
fsinst = fs_to_install;
}
module_init(init_yaffs_fs)
-module_exit(exit_yaffs_fs)
+ module_exit(exit_yaffs_fs)
-MODULE_DESCRIPTION("YAFFS2 - a NAND specific flash file system");
-MODULE_AUTHOR("Charles Manning, Aleph One Ltd., 2002-2010");
+ MODULE_DESCRIPTION("YAFFS2 - a NAND specific flash file system");
+MODULE_AUTHOR("Charles Manning, Aleph One Ltd., 2002-2011");
MODULE_LICENSE("GPL");
projects / yaffs2.git / blobdiff