/*
* 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>
#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
#include <linux/init.h>
#include <linux/fs.h>
#include <linux/proc_fs.h>
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 39))
#include <linux/smp_lock.h>
+#endif
#include <linux/pagemap.h>
#include <linux/mtd/mtd.h>
#include <linux/interrupt.h>
#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)
#define YAFFS_USE_WRITE_BEGIN_END 0
#endif
+
+
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 2, 0))
+#define set_nlink(inode, count) do { (inode)->i_nlink = (count); } while(0)
+#endif
+
#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 28))
static uint32_t YCALCBLOCKS(uint64_t partition_size, uint32_t block_size)
{
unsigned int yaffs_auto_checkpoint = 1;
unsigned int yaffs_gc_control = 1;
unsigned int yaffs_bg_enable = 1;
-
+unsigned int yaffs_auto_select = 1;
/* Module Parameters */
#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
module_param(yaffs_trace_mask, uint, 0644);
#define yaffs_inode_to_obj_lv(iptr) ((iptr)->u.generic_ip)
#endif
-#define yaffs_inode_to_obj(iptr) ((struct yaffs_obj *)(yaffs_inode_to_obj_lv(iptr)))
+#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 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,
- loff_t * pos);
+ loff_t *pos);
static ssize_t yaffs_hold_space(struct file *f);
static void yaffs_release_space(struct file *f);
static int yaffs_file_flush(struct file *file);
#endif
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 34))
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 39))
+static int yaffs_sync_object(struct file *file, loff_t start, loff_t end, int datasync);
+#elif (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 34))
static int yaffs_sync_object(struct file *file, int datasync);
#else
static int yaffs_sync_object(struct file *file, struct dentry *dentry,
static int yaffs_writepage(struct page *page);
#endif
-#ifdef CONFIG_YAFFS_XATTR
-int yaffs_setxattr(struct dentry *dentry, const char *name,
+static 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);
-#endif
+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);
#if (YAFFS_USE_WRITE_BEGIN_END != 0)
static int yaffs_write_begin(struct file *filp, struct address_space *mapping,
static void yaffs_touch_super(struct yaffs_dev *dev);
-static loff_t yaffs_dir_llseek(struct file *file, loff_t offset, int origin);
-
static int yaffs_vfs_setattr(struct inode *, struct iattr *);
static struct address_space_operations yaffs_file_address_operations = {
};
#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);
static const struct inode_operations yaffs_file_inode_operations = {
.setattr = yaffs_setattr,
-#ifdef CONFIG_YAFFS_XATTR
.setxattr = yaffs_setxattr,
.getxattr = yaffs_getxattr,
.listxattr = yaffs_listxattr,
.removexattr = yaffs_removexattr,
-#endif
};
static const struct inode_operations yaffs_symlink_inode_operations = {
.put_link = yaffs_put_link,
#endif
.setattr = yaffs_setattr,
-#ifdef CONFIG_YAFFS_XATTR
.setxattr = yaffs_setxattr,
.getxattr = yaffs_getxattr,
.listxattr = yaffs_listxattr,
.removexattr = yaffs_removexattr,
-#endif
};
static const struct inode_operations yaffs_dir_inode_operations = {
.mknod = yaffs_mknod,
.rename = yaffs_rename,
.setattr = yaffs_setattr,
-#ifdef CONFIG_YAFFS_XATTR
.setxattr = yaffs_setxattr,
.getxattr = yaffs_getxattr,
.listxattr = yaffs_listxattr,
.removexattr = yaffs_removexattr,
-#endif
};
static const struct file_operations yaffs_dir_operations = {
.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 = {
static int yaffs_vfs_setattr(struct inode *inode, struct iattr *attr)
{
-#ifdef YAFFS_USE_SETATTR_COPY
+#ifdef YAFFS_USE_SETATTR_COPY
setattr_copy(inode, attr);
return 0;
#else
static int yaffs_vfs_setsize(struct inode *inode, loff_t newsize)
{
-#ifdef YAFFS_USE_TRUNCATE_SETSIZE
+#ifdef YAFFS_USE_TRUNCATE_SETSIZE
truncate_setsize(inode, newsize);
return 0;
#else
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)->gross_lock));
- 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(struct yaffs_dev *dev)
{
- T(YAFFS_TRACE_LOCK, (TSTR("yaffs unlocking %p\n"), current));
- up(&(yaffs_dev_to_lc(dev)->gross_lock));
+ yaffs_trace(YAFFS_TRACE_LOCK, "yaffs unlocking %p", current);
+ mutex_unlock(&(yaffs_dev_to_lc(dev)->gross_lock));
}
#ifdef YAFFS_COMPILE_EXPORTFS
{
struct yaffs_dev *dev = dir->my_dev;
struct yaffs_search_context *sc =
- YMALLOC(sizeof(struct yaffs_search_context));
+ kmalloc(sizeof(struct yaffs_search_context), GFP_NOFS);
if (sc) {
sc->dir_obj = dir;
sc->dev = dev;
{
if (sc) {
list_del(&sc->others);
- YFREE(sc);
+ kfree(sc);
}
}
* the search context to the next object to prevent a hanging pointer.
*/
list_for_each(i, search_contexts) {
- if (i) {
- sc = list_entry(i, struct yaffs_search_context, others);
- if (sc->next_return == obj)
- yaffs_search_advance(sc);
- }
+ sc = list_entry(i, struct yaffs_search_context, others);
+ if (sc->next_return == obj)
+ yaffs_search_advance(sc);
}
}
if (current != yaffs_dev_to_lc(dev)->readdir_process)
yaffs_gross_lock(dev);
- T(YAFFS_TRACE_OS,
- (TSTR("yaffs_lookup for %d:%s\n"),
- yaffs_inode_to_obj(dir)->obj_id, dentry->d_name.name));
+ yaffs_trace(YAFFS_TRACE_OS, "yaffs_lookup for %d:%s",
+ yaffs_inode_to_obj(dir)->obj_id, dentry->d_name.name);
obj = yaffs_find_by_name(yaffs_inode_to_obj(dir), dentry->d_name.name);
yaffs_gross_unlock(dev);
if (obj) {
- T(YAFFS_TRACE_OS,
- (TSTR("yaffs_lookup found %d\n"), obj->obj_id));
+ yaffs_trace(YAFFS_TRACE_OS,
+ "yaffs_lookup found %d", obj->obj_id);
inode = yaffs_get_inode(dir->i_sb, obj->yst_mode, 0, obj);
-
- if (inode) {
- T(YAFFS_TRACE_OS, (TSTR("yaffs_loookup dentry \n")));
-/* #if 0 asserted by NCB for 2.5/6 compatability - falls through to
- * d_add even if NULL inode */
-#if 0
- /*dget(dentry); // try to solve directory bug */
- d_add(dentry, inode);
-
- /* return dentry; */
- return NULL;
-#endif
- }
-
} else {
- T(YAFFS_TRACE_OS, (TSTR("yaffs_lookup not found\n")));
+ yaffs_trace(YAFFS_TRACE_OS, "yaffs_lookup not found");
}
*/
static void yaffs_put_inode(struct inode *inode)
{
- T(YAFFS_TRACE_OS,
- (TSTR("yaffs_put_inode: ino %d, count %d\n"), (int)inode->i_ino,
- atomic_read(&inode->i_count)));
+ yaffs_trace(YAFFS_TRACE_OS,
+ "yaffs_put_inode: ino %d, count %d"),
+ (int)inode->i_ino, atomic_read(&inode->i_count);
}
#endif
obj = yaffs_inode_to_obj(inode);
- T(YAFFS_TRACE_OS,
- (TSTR("yaffs_evict_inode: ino %d, count %d %s\n"), (int)inode->i_ino,
- atomic_read(&inode->i_count),
- obj ? "object exists" : "null object"));
+ yaffs_trace(YAFFS_TRACE_OS,
+ "yaffs_evict_inode: ino %d, count %d %s",
+ (int)inode->i_ino, atomic_read(&inode->i_count),
+ obj ? "object exists" : "null object");
if (!inode->i_nlink && !is_bad_inode(inode))
deleteme = 1;
yaffs_unstitch_obj(inode, obj);
yaffs_gross_unlock(dev);
}
-
}
#else
obj = yaffs_inode_to_obj(inode);
- T(YAFFS_TRACE_OS,
- (TSTR("yaffs_clear_inode: ino %d, count %d %s\n"), (int)inode->i_ino,
- atomic_read(&inode->i_count),
- obj ? "object exists" : "null object"));
+ yaffs_trace(YAFFS_TRACE_OS,
+ "yaffs_clear_inode: ino %d, count %d %s",
+ (int)inode->i_ino, atomic_read(&inode->i_count),
+ obj ? "object exists" : "null object");
if (obj) {
dev = obj->my_dev;
struct yaffs_obj *obj = yaffs_inode_to_obj(inode);
struct yaffs_dev *dev;
- T(YAFFS_TRACE_OS,
- (TSTR("yaffs_delete_inode: ino %d, count %d %s\n"), (int)inode->i_ino,
- atomic_read(&inode->i_count),
- obj ? "object exists" : "null object"));
+ yaffs_trace(YAFFS_TRACE_OS,
+ "yaffs_delete_inode: ino %d, count %d %s",
+ (int)inode->i_ino, atomic_read(&inode->i_count),
+ obj ? "object exists" : "null object");
if (obj) {
dev = obj->my_dev;
struct yaffs_dev *dev = obj->my_dev;
- T(YAFFS_TRACE_OS,
- (TSTR("yaffs_file_flush object %d (%s)\n"), obj->obj_id,
- obj->dirty ? "dirty" : "clean"));
+ yaffs_trace(YAFFS_TRACE_OS,
+ "yaffs_file_flush object %d (%s)",
+ obj->obj_id,
+ obj->dirty ? "dirty" : "clean");
yaffs_gross_lock(dev);
struct yaffs_obj *obj;
unsigned char *pg_buf;
int ret;
-
+ loff_t pos = ((loff_t) pg->index) << PAGE_CACHE_SHIFT;
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 %lld, size %08x",
+ (long long)pos,
+ (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);
+ ret = yaffs_file_rd(obj, pg_buf, pos, 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")));
+ yaffs_trace(YAFFS_TRACE_OS, "yaffs_readpage");
ret = yaffs_readpage_unlock(f, pg);
- T(YAFFS_TRACE_OS, (TSTR("yaffs_readpage done\n")));
+ yaffs_trace(YAFFS_TRACE_OS, "yaffs_readpage done");
return ret;
}
n_bytes = i_size & (PAGE_CACHE_SIZE - 1);
if (page->index > end_index || !n_bytes) {
- T(YAFFS_TRACE_OS,
- (TSTR
- ("yaffs_writepage at %08x, inode size = %08x!!!\n"),
- (unsigned)(page->index << PAGE_CACHE_SHIFT),
- (unsigned)inode->i_size));
- T(YAFFS_TRACE_OS,
- (TSTR(" -> don't care!!\n")));
+ yaffs_trace(YAFFS_TRACE_OS,
+ "yaffs_writepage at %lld, inode size = %lld!!",
+ ((loff_t)page->index) << PAGE_CACHE_SHIFT,
+ inode->i_size);
+ yaffs_trace(YAFFS_TRACE_OS,
+ " -> don't care!!");
zero_user_segment(page, 0, PAGE_CACHE_SIZE);
set_page_writeback(page);
dev = obj->my_dev;
yaffs_gross_lock(dev);
- T(YAFFS_TRACE_OS,
- (TSTR("yaffs_writepage at %08x, size %08x\n"),
- (unsigned)(page->index << PAGE_CACHE_SHIFT), n_bytes));
- T(YAFFS_TRACE_OS,
- (TSTR("writepag0: obj = %05x, ino = %05x\n"),
- (int)obj->variant.file_variant.file_size, (int)inode->i_size));
+ yaffs_trace(YAFFS_TRACE_OS,
+ "yaffs_writepage at %lld, size %08x",
+ ((loff_t)page->index) << PAGE_CACHE_SHIFT, n_bytes);
+ yaffs_trace(YAFFS_TRACE_OS,
+ "writepag0: obj = %lld, ino = %lld",
+ obj->variant.file_variant.file_size, inode->i_size);
n_written = yaffs_wr_file(obj, buffer,
- page->index << PAGE_CACHE_SHIFT, n_bytes, 0);
+ ((loff_t)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 = %lld, ino = %lld",
+ obj->variant.file_variant.file_size, inode->i_size);
yaffs_gross_unlock(dev);
ret = -ENOMEM;
goto out;
}
- T(YAFFS_TRACE_OS,
- (TSTR("start yaffs_write_begin index %d(%x) uptodate %d\n"),
- (int)index, (int)index, Page_Uptodate(pg) ? 1 : 0));
+ yaffs_trace(YAFFS_TRACE_OS,
+ "start yaffs_write_begin index %d(%x) uptodate %d",
+ (int)index, (int)index, Page_Uptodate(pg) ? 1 : 0);
/* Get fs space */
space_held = yaffs_hold_space(filp);
goto out;
/* Happy path return */
- T(YAFFS_TRACE_OS, (TSTR("end yaffs_write_begin - ok\n")));
+ yaffs_trace(YAFFS_TRACE_OS, "end yaffs_write_begin - ok");
return 0;
out:
- T(YAFFS_TRACE_OS,
- (TSTR("end yaffs_write_begin fail returning %d\n"), ret));
+ yaffs_trace(YAFFS_TRACE_OS,
+ "end yaffs_write_begin fail returning %d", ret);
if (space_held)
yaffs_release_space(filp);
if (pg) {
static int yaffs_prepare_write(struct file *f, struct page *pg,
unsigned offset, unsigned to)
{
- T(YAFFS_TRACE_OS, (TSTR("yaffs_prepair_write\n")));
+ yaffs_trace(YAFFS_TRACE_OS, "yaffs_prepair_write");
if (!Page_Uptodate(pg))
return yaffs_readpage_nolock(f, pg);
kva = kmap(pg);
addr = kva + offset_into_page;
- T(YAFFS_TRACE_OS,
- ("yaffs_write_end addr %p pos %x n_bytes %d\n",
- addr, (unsigned)pos, copied));
+ yaffs_trace(YAFFS_TRACE_OS,
+ "yaffs_write_end addr %p pos %lld n_bytes %d",
+ addr, 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);
int n_bytes = to - offset;
int n_written;
- unsigned spos = pos;
- unsigned saddr;
-
kva = kmap(pg);
addr = kva + offset;
- 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 %p pos %lld n_bytes %d",
+ addr, pos, n_bytes);
n_written = yaffs_file_write(f, addr, n_bytes, &pos);
if (n_written != n_bytes) {
- T(YAFFS_TRACE_OS,
- (TSTR
- ("yaffs_commit_write not same size n_written %d n_bytes %d\n"),
- n_written, n_bytes));
+ yaffs_trace(YAFFS_TRACE_OS,
+ "yaffs_commit_write not same size n_written %d n_bytes %d",
+ n_written, n_bytes);
SetPageError(pg);
- } else {
- /* Nothing */
}
-
kunmap(pg);
- T(YAFFS_TRACE_OS,
- (TSTR("yaffs_commit_write returning %d\n"),
- n_written == n_bytes ? 0 : n_written));
+ yaffs_trace(YAFFS_TRACE_OS,
+ "yaffs_commit_write returning %d",
+ n_written == n_bytes ? 0 : n_written);
return n_written == n_bytes ? 0 : n_written;
}
inode->i_size = yaffs_get_obj_length(obj);
inode->i_blocks = (inode->i_size + 511) >> 9;
- inode->i_nlink = yaffs_get_obj_link_count(obj);
+ set_nlink(inode, yaffs_get_obj_link_count(obj));
- T(YAFFS_TRACE_OS,
- (TSTR
- ("yaffs_fill_inode mode %x uid %d gid %d size %d count %d\n"),
- inode->i_mode, inode->i_uid, inode->i_gid,
- (int)inode->i_size, atomic_read(&inode->i_count)));
+ yaffs_trace(YAFFS_TRACE_OS,
+ "yaffs_fill_inode mode %x uid %d gid %d size %lld count %d",
+ inode->i_mode, inode->i_uid, inode->i_gid,
+ inode->i_size, atomic_read(&inode->i_count));
switch (obj->yst_mode & S_IFMT) {
default: /* fifo, device or socket */
obj->my_inode = inode;
} else {
- T(YAFFS_TRACE_OS,
- (TSTR("yaffs_fill_inode invalid parameters\n")));
+ yaffs_trace(YAFFS_TRACE_OS,
+ "yaffs_fill_inode invalid parameters");
}
}
struct inode *inode;
if (!sb) {
- T(YAFFS_TRACE_OS,
- (TSTR("yaffs_get_inode for NULL super_block!!\n")));
+ yaffs_trace(YAFFS_TRACE_OS,
+ "yaffs_get_inode for NULL super_block!!");
return NULL;
}
if (!obj) {
- T(YAFFS_TRACE_OS,
- (TSTR("yaffs_get_inode for NULL object!!\n")));
+ yaffs_trace(YAFFS_TRACE_OS,
+ "yaffs_get_inode for NULL object!!");
return NULL;
}
- T(YAFFS_TRACE_OS,
- (TSTR("yaffs_get_inode for object %d\n"), obj->obj_id));
+ yaffs_trace(YAFFS_TRACE_OS,
+ "yaffs_get_inode for object %d", obj->obj_id);
inode = Y_IGET(sb, obj->obj_id);
if (IS_ERR(inode))
loff_t * pos)
{
struct yaffs_obj *obj;
- int n_written, ipos;
+ int n_written;
+ loff_t ipos;
struct inode *inode;
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 %lld",
+ (unsigned)n, (unsigned)n, obj->obj_id, ipos);
n_written = yaffs_wr_file(obj, buf, ipos, n, 0);
yaffs_touch_super(dev);
- T(YAFFS_TRACE_OS,
- (TSTR("yaffs_file_write: %d(%x) bytes written\n"),
- (unsigned)n, (unsigned)n));
+ yaffs_trace(YAFFS_TRACE_OS,
+ "yaffs_file_write: %d(%x) bytes written",
+ (unsigned)n, (unsigned)n);
if (n_written > 0) {
ipos += n_written;
inode->i_size = ipos;
inode->i_blocks = (ipos + 511) >> 9;
- T(YAFFS_TRACE_OS,
- (TSTR("yaffs_file_write size updated to %d bytes, "
- "%d blocks\n"), ipos, (int)(inode->i_blocks)));
+ yaffs_trace(YAFFS_TRACE_OS,
+ "yaffs_file_write size updated to %lld bytes, %d blocks",
+ ipos, (int)(inode->i_blocks));
}
}
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)
{
struct yaffs_obj *obj;
goto out;
}
- T(YAFFS_TRACE_OS,
- (TSTR("yaffs_readdir: starting at %d\n"), (int)offset));
+ yaffs_trace(YAFFS_TRACE_OS,
+ "yaffs_readdir: starting at %d", (int)offset);
if (offset == 0) {
- T(YAFFS_TRACE_OS,
- (TSTR("yaffs_readdir: entry . ino %d \n"),
- (int)inode->i_ino));
+ yaffs_trace(YAFFS_TRACE_OS,
+ "yaffs_readdir: entry . ino %d",
+ (int)inode->i_ino);
yaffs_gross_unlock(dev);
if (filldir(dirent, ".", 1, offset, inode->i_ino, DT_DIR) < 0) {
yaffs_gross_lock(dev);
f->f_pos++;
}
if (offset == 1) {
- T(YAFFS_TRACE_OS,
- (TSTR("yaffs_readdir: entry .. ino %d \n"),
- (int)f->f_dentry->d_parent->d_inode->i_ino));
+ yaffs_trace(YAFFS_TRACE_OS,
+ "yaffs_readdir: entry .. ino %d",
+ (int)f->f_dentry->d_parent->d_inode->i_ino);
yaffs_gross_unlock(dev);
if (filldir(dirent, "..", 2, offset,
f->f_dentry->d_parent->d_inode->i_ino,
int this_type = yaffs_get_obj_type(l);
yaffs_get_obj_name(l, name, YAFFS_MAX_NAME_LENGTH + 1);
- T(YAFFS_TRACE_OS,
- (TSTR("yaffs_readdir: %s inode %d\n"),
- name, yaffs_get_obj_inode(l)));
+ yaffs_trace(YAFFS_TRACE_OS,
+ "yaffs_readdir: %s inode %d",
+ name, yaffs_get_obj_inode(l));
yaffs_gross_unlock(dev);
mode |= S_ISGID;
if (parent) {
- T(YAFFS_TRACE_OS,
- (TSTR("yaffs_mknod: parent object %d type %d\n"),
- parent->obj_id, parent->variant_type));
+ yaffs_trace(YAFFS_TRACE_OS,
+ "yaffs_mknod: parent object %d type %d",
+ parent->obj_id, parent->variant_type);
} else {
- T(YAFFS_TRACE_OS,
- (TSTR("yaffs_mknod: could not get parent object\n")));
+ yaffs_trace(YAFFS_TRACE_OS,
+ "yaffs_mknod: could not get parent object");
return -EPERM;
}
- T(YAFFS_TRACE_OS, (TSTR("yaffs_mknod: making oject for %s, "
- "mode %x dev %x\n"),
- dentry->d_name.name, mode, rdev));
+ yaffs_trace(YAFFS_TRACE_OS,
+ "yaffs_mknod: making oject for %s, mode %x dev %x",
+ dentry->d_name.name, mode, rdev);
dev = parent->my_dev;
switch (mode & S_IFMT) {
default:
/* Special (socket, fifo, device...) */
- T(YAFFS_TRACE_OS, (TSTR("yaffs_mknod: making special\n")));
+ yaffs_trace(YAFFS_TRACE_OS, "yaffs_mknod: making special");
#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
obj =
yaffs_create_special(parent, dentry->d_name.name, mode, uid,
#endif
break;
case S_IFREG: /* file */
- T(YAFFS_TRACE_OS, (TSTR("yaffs_mknod: making file\n")));
+ yaffs_trace(YAFFS_TRACE_OS, "yaffs_mknod: making file");
obj = yaffs_create_file(parent, dentry->d_name.name, mode, uid,
gid);
break;
case S_IFDIR: /* directory */
- T(YAFFS_TRACE_OS, (TSTR("yaffs_mknod: making directory\n")));
+ yaffs_trace(YAFFS_TRACE_OS, "yaffs_mknod: making directory");
obj = yaffs_create_dir(parent, dentry->d_name.name, mode,
uid, gid);
break;
case S_IFLNK: /* symlink */
- T(YAFFS_TRACE_OS, (TSTR("yaffs_mknod: making symlink\n")));
+ yaffs_trace(YAFFS_TRACE_OS, "yaffs_mknod: making symlink");
obj = NULL; /* Do we ever get here? */
break;
}
inode = yaffs_get_inode(dir->i_sb, mode, rdev, obj);
d_instantiate(dentry, inode);
update_dir_time(dir);
- T(YAFFS_TRACE_OS,
- (TSTR("yaffs_mknod created object %d count = %d\n"),
- obj->obj_id, atomic_read(&inode->i_count)));
+ yaffs_trace(YAFFS_TRACE_OS,
+ "yaffs_mknod created object %d count = %d",
+ obj->obj_id, atomic_read(&inode->i_count));
error = 0;
yaffs_fill_inode_from_obj(dir, parent);
} else {
- T(YAFFS_TRACE_OS, (TSTR("yaffs_mknod failed making object\n")));
+ yaffs_trace(YAFFS_TRACE_OS, "yaffs_mknod failed making object");
error = -ENOMEM;
}
static int yaffs_mkdir(struct inode *dir, struct dentry *dentry, int mode)
{
int ret_val;
- T(YAFFS_TRACE_OS, (TSTR("yaffs_mkdir\n")));
+ yaffs_trace(YAFFS_TRACE_OS, "yaffs_mkdir");
ret_val = yaffs_mknod(dir, dentry, mode | S_IFDIR, 0);
return ret_val;
}
static int yaffs_create(struct inode *dir, struct dentry *dentry, int mode)
#endif
{
- T(YAFFS_TRACE_OS, (TSTR("yaffs_create\n")));
+ yaffs_trace(YAFFS_TRACE_OS, "yaffs_create");
return yaffs_mknod(dir, dentry, mode | S_IFREG, 0);
}
struct yaffs_dev *dev;
struct yaffs_obj *obj;
- T(YAFFS_TRACE_OS,
- (TSTR("yaffs_unlink %d:%s\n"),
- (int)(dir->i_ino), dentry->d_name.name));
+ yaffs_trace(YAFFS_TRACE_OS, "yaffs_unlink %d:%s",
+ (int)(dir->i_ino), dentry->d_name.name);
obj = yaffs_inode_to_obj(dir);
dev = obj->my_dev;
ret_val = yaffs_unlinker(obj, dentry->d_name.name);
if (ret_val == YAFFS_OK) {
- dentry->d_inode->i_nlink--;
+ inode_dec_link_count(dentry->d_inode);
dir->i_version++;
yaffs_gross_unlock(dev);
- mark_inode_dirty(dentry->d_inode);
update_dir_time(dir);
return 0;
}
struct yaffs_obj *link = NULL;
struct yaffs_dev *dev;
- T(YAFFS_TRACE_OS, (TSTR("yaffs_link\n")));
+ yaffs_trace(YAFFS_TRACE_OS, "yaffs_link");
obj = yaffs_inode_to_obj(inode);
dev = obj->my_dev;
obj);
if (link) {
- old_dentry->d_inode->i_nlink = yaffs_get_obj_link_count(obj);
+ set_nlink(old_dentry->d_inode, yaffs_get_obj_link_count(obj));
d_instantiate(dentry, old_dentry->d_inode);
atomic_inc(&old_dentry->d_inode->i_count);
- T(YAFFS_TRACE_OS,
- (TSTR("yaffs_link link count %d i_count %d\n"),
- old_dentry->d_inode->i_nlink,
- atomic_read(&old_dentry->d_inode->i_count)));
+ yaffs_trace(YAFFS_TRACE_OS,
+ "yaffs_link link count %d i_count %d",
+ old_dentry->d_inode->i_nlink,
+ atomic_read(&old_dentry->d_inode->i_count));
}
yaffs_gross_unlock(dev);
gid_t gid =
(dir->i_mode & S_ISGID) ? dir->i_gid : YCRED(current)->fsgid;
- T(YAFFS_TRACE_OS, (TSTR("yaffs_symlink\n")));
+ yaffs_trace(YAFFS_TRACE_OS, "yaffs_symlink");
+
+ if (strnlen(dentry->d_name.name, YAFFS_MAX_NAME_LENGTH + 1) >
+ YAFFS_MAX_NAME_LENGTH)
+ return -ENAMETOOLONG;
+
+ if (strnlen(symname, YAFFS_MAX_ALIAS_LENGTH + 1) >
+ YAFFS_MAX_ALIAS_LENGTH)
+ return -ENAMETOOLONG;
dev = yaffs_inode_to_obj(dir)->my_dev;
yaffs_gross_lock(dev);
inode = yaffs_get_inode(dir->i_sb, obj->yst_mode, 0, obj);
d_instantiate(dentry, inode);
update_dir_time(dir);
- T(YAFFS_TRACE_OS, (TSTR("symlink created OK\n")));
+ yaffs_trace(YAFFS_TRACE_OS, "symlink created OK");
return 0;
} else {
- T(YAFFS_TRACE_OS, (TSTR("symlink not created\n")));
+ yaffs_trace(YAFFS_TRACE_OS, "symlink not created");
}
return -ENOMEM;
}
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 34))
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 39))
+static int yaffs_sync_object(struct file *file, loff_t start, loff_t end, int datasync)
+#elif (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 34))
static int yaffs_sync_object(struct file *file, int datasync)
#else
static int yaffs_sync_object(struct file *file, struct dentry *dentry,
dev = obj->my_dev;
- T(YAFFS_TRACE_OS | YAFFS_TRACE_SYNC, (TSTR("yaffs_sync_object\n")));
+ yaffs_trace(YAFFS_TRACE_OS | YAFFS_TRACE_SYNC,
+ "yaffs_sync_object");
yaffs_gross_lock(dev);
yaffs_flush_file(obj, 1, datasync);
yaffs_gross_unlock(dev);
int ret_val = YAFFS_FAIL;
struct yaffs_obj *target;
- T(YAFFS_TRACE_OS, (TSTR("yaffs_rename\n")));
+ yaffs_trace(YAFFS_TRACE_OS, "yaffs_rename");
dev = yaffs_inode_to_obj(old_dir)->my_dev;
yaffs_gross_lock(dev);
if (target && target->variant_type == YAFFS_OBJECT_TYPE_DIRECTORY &&
!list_empty(&target->variant.dir_variant.children)) {
- T(YAFFS_TRACE_OS, (TSTR("target is non-empty dir\n")));
+ yaffs_trace(YAFFS_TRACE_OS, "target is non-empty dir");
ret_val = YAFFS_FAIL;
} else {
/* Now does unlinking internally using shadowing mechanism */
- T(YAFFS_TRACE_OS, (TSTR("calling yaffs_rename_obj\n")));
+ yaffs_trace(YAFFS_TRACE_OS, "calling yaffs_rename_obj");
ret_val = yaffs_rename_obj(yaffs_inode_to_obj(old_dir),
old_dentry->d_name.name,
yaffs_gross_unlock(dev);
if (ret_val == YAFFS_OK) {
- if (target) {
- new_dentry->d_inode->i_nlink--;
- mark_inode_dirty(new_dentry->d_inode);
- }
+ if (target)
+ inode_dec_link_count(new_dentry->d_inode);
update_dir_time(old_dir);
if (old_dir != new_dir)
int error = 0;
struct yaffs_dev *dev;
- T(YAFFS_TRACE_OS,
- (TSTR("yaffs_setattr of object %d\n"),
- yaffs_inode_to_obj(inode)->obj_id));
-
+ yaffs_trace(YAFFS_TRACE_OS,
+ "yaffs_setattr of object %d",
+ yaffs_inode_to_obj(inode)->obj_id);
+#if 0
/* Fail if a requested resize >= 2GB */
if (attr->ia_valid & ATTR_SIZE && (attr->ia_size >> 31))
error = -EINVAL;
+#endif
if (error == 0)
error = inode_change_ok(inode, attr);
int result;
if (!error) {
error = yaffs_vfs_setattr(inode, attr);
- T(YAFFS_TRACE_OS, (TSTR("inode_setattr called\n")));
+ yaffs_trace(YAFFS_TRACE_OS, "inode_setattr called");
if (attr->ia_valid & ATTR_SIZE) {
yaffs_vfs_setsize(inode, attr->ia_size);
inode->i_blocks = (inode->i_size + 511) >> 9;
}
dev = yaffs_inode_to_obj(inode)->my_dev;
if (attr->ia_valid & ATTR_SIZE) {
- T(YAFFS_TRACE_OS, (TSTR("resize to %d(%x)\n"),
- (int)(attr->ia_size),
- (int)(attr->ia_size)));
+ yaffs_trace(YAFFS_TRACE_OS,
+ "resize to %d(%x)",
+ (int)(attr->ia_size),
+ (int)(attr->ia_size));
}
yaffs_gross_lock(dev);
result = yaffs_set_attribs(yaffs_inode_to_obj(inode), attr);
}
- T(YAFFS_TRACE_OS, (TSTR("yaffs_setattr done returning %d\n"), error));
+ yaffs_trace(YAFFS_TRACE_OS, "yaffs_setattr done returning %d", error);
return error;
}
-#ifdef CONFIG_YAFFS_XATTR
-int yaffs_setxattr(struct dentry *dentry, const char *name,
+static int yaffs_setxattr(struct dentry *dentry, const char *name,
const void *value, size_t size, int flags)
{
struct inode *inode = dentry->d_inode;
struct yaffs_dev *dev;
struct yaffs_obj *obj = yaffs_inode_to_obj(inode);
- T(YAFFS_TRACE_OS, (TSTR("yaffs_setxattr of object %d\n"), obj->obj_id));
+ yaffs_trace(YAFFS_TRACE_OS, "yaffs_setxattr of object %d", obj->obj_id);
if (error == 0) {
int result;
yaffs_gross_unlock(dev);
}
- T(YAFFS_TRACE_OS, (TSTR("yaffs_setxattr done returning %d\n"), error));
+ yaffs_trace(YAFFS_TRACE_OS, "yaffs_setxattr done returning %d", error);
return error;
}
-ssize_t yaffs_getxattr(struct dentry * dentry, const char *name, void *buff,
- size_t size)
+static ssize_t yaffs_getxattr(struct dentry * dentry, const char *name,
+ void *buff, size_t size)
{
struct inode *inode = dentry->d_inode;
int error = 0;
struct yaffs_dev *dev;
struct yaffs_obj *obj = yaffs_inode_to_obj(inode);
- T(YAFFS_TRACE_OS,
- (TSTR("yaffs_getxattr \"%s\" from object %d\n"), name, obj->obj_id));
+ yaffs_trace(YAFFS_TRACE_OS,
+ "yaffs_getxattr \"%s\" from object %d",
+ name, obj->obj_id);
if (error == 0) {
dev = obj->my_dev;
yaffs_gross_unlock(dev);
}
- T(YAFFS_TRACE_OS, (TSTR("yaffs_getxattr done returning %d\n"), error));
+ yaffs_trace(YAFFS_TRACE_OS, "yaffs_getxattr done returning %d", error);
return error;
}
-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;
struct yaffs_dev *dev;
struct yaffs_obj *obj = yaffs_inode_to_obj(inode);
- T(YAFFS_TRACE_OS,
- (TSTR("yaffs_removexattr of object %d\n"), obj->obj_id));
+ yaffs_trace(YAFFS_TRACE_OS,
+ "yaffs_removexattr of object %d", obj->obj_id);
if (error == 0) {
int result;
yaffs_gross_unlock(dev);
}
- T(YAFFS_TRACE_OS,
- (TSTR("yaffs_removexattr done returning %d\n"), error));
+ yaffs_trace(YAFFS_TRACE_OS,
+ "yaffs_removexattr done returning %d", error);
return error;
}
-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;
struct yaffs_dev *dev;
struct yaffs_obj *obj = yaffs_inode_to_obj(inode);
- T(YAFFS_TRACE_OS,
- (TSTR("yaffs_listxattr of object %d\n"), obj->obj_id));
+ yaffs_trace(YAFFS_TRACE_OS,
+ "yaffs_listxattr of object %d", obj->obj_id);
if (error == 0) {
dev = obj->my_dev;
yaffs_gross_unlock(dev);
}
- T(YAFFS_TRACE_OS, (TSTR("yaffs_listxattr done returning %d\n"), error));
+ yaffs_trace(YAFFS_TRACE_OS,
+ "yaffs_listxattr done returning %d", error);
return error;
}
-#endif
#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17))
static int yaffs_statfs(struct dentry *dentry, struct kstatfs *buf)
struct yaffs_dev *dev = yaffs_super_to_dev(sb);
#endif
- T(YAFFS_TRACE_OS, (TSTR("yaffs_statfs\n")));
+ yaffs_trace(YAFFS_TRACE_OS, "yaffs_statfs");
yaffs_gross_lock(dev);
list_for_each_entry(iptr, &sb->s_inodes, i_sb_list) {
obj = yaffs_inode_to_obj(iptr);
if (obj) {
- T(YAFFS_TRACE_OS, (TSTR("flushing obj %d\n"),
- obj->obj_id));
+ yaffs_trace(YAFFS_TRACE_OS,
+ "flushing obj %d",
+ obj->obj_id);
yaffs_flush_file(obj, 1, 0);
}
}
unsigned gc_urgent = yaffs_bg_gc_urgency(dev);
int do_checkpoint;
- T(YAFFS_TRACE_OS | YAFFS_TRACE_SYNC | YAFFS_TRACE_BACKGROUND,
- (TSTR("yaffs_do_sync_fs: gc-urgency %d %s %s%s\n"),
- gc_urgent,
- sb->s_dirt ? "dirty" : "clean",
- request_checkpoint ? "checkpoint requested" : "no checkpoint",
- oneshot_checkpoint ? " one-shot" : ""));
+ yaffs_trace(YAFFS_TRACE_OS | YAFFS_TRACE_SYNC | YAFFS_TRACE_BACKGROUND,
+ "yaffs_do_sync_fs: gc-urgency %d %s %s%s",
+ gc_urgent,
+ sb->s_dirt ? "dirty" : "clean",
+ request_checkpoint ? "checkpoint requested" : "no checkpoint",
+ oneshot_checkpoint ? " one-shot" : "");
yaffs_gross_lock(dev);
do_checkpoint = ((request_checkpoint && !gc_urgent) ||
* 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.
int gc_result;
struct timer_list timer;
- T(YAFFS_TRACE_BACKGROUND,
- (TSTR("yaffs_background starting for dev %p\n"), (void *)dev));
+ yaffs_trace(YAFFS_TRACE_BACKGROUND,
+ "yaffs_background starting for dev %p", (void *)dev);
#ifdef YAFFS_COMPILE_FREEZER
set_freezable();
#endif
while (context->bg_running) {
- T(YAFFS_TRACE_BACKGROUND, (TSTR("yaffs_background\n")));
+ yaffs_trace(YAFFS_TRACE_BACKGROUND, "yaffs_background");
if (kthread_should_stop())
break;
next_gc = now + HZ / 10 + 1;
else
next_gc = now + HZ * 2;
- } else /*
+ } 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
{
unsigned request_checkpoint = (yaffs_auto_checkpoint >= 2);
- T(YAFFS_TRACE_OS | YAFFS_TRACE_SYNC | YAFFS_TRACE_BACKGROUND,
- (TSTR("yaffs_write_super%s\n"),
- request_checkpoint ? " checkpt" : ""));
+ yaffs_trace(YAFFS_TRACE_OS | YAFFS_TRACE_SYNC | YAFFS_TRACE_BACKGROUND,
+ "yaffs_write_super %s",
+ request_checkpoint ? " checkpt" : "");
yaffs_do_sync_fs(sb, request_checkpoint);
{
unsigned request_checkpoint = (yaffs_auto_checkpoint >= 1);
- T(YAFFS_TRACE_OS | YAFFS_TRACE_SYNC,
- (TSTR("yaffs_sync_fs%s\n"), request_checkpoint ? " checkpt" : ""));
+ yaffs_trace(YAFFS_TRACE_OS | YAFFS_TRACE_SYNC,
+ "yaffs_sync_fs%s", request_checkpoint ? " checkpt" : "");
yaffs_do_sync_fs(sb, request_checkpoint);
struct yaffs_obj *obj;
struct yaffs_dev *dev = yaffs_super_to_dev(sb);
- T(YAFFS_TRACE_OS, (TSTR("yaffs_iget for %lu\n"), ino));
+ yaffs_trace(YAFFS_TRACE_OS, "yaffs_iget for %lu", ino);
inode = iget_locked(sb, ino);
if (!inode)
struct yaffs_obj *obj;
struct yaffs_dev *dev = yaffs_super_to_dev(inode->i_sb);
- T(YAFFS_TRACE_OS,
- (TSTR("yaffs_read_inode for %d\n"), (int)inode->i_ino));
+ yaffs_trace(YAFFS_TRACE_OS,
+ "yaffs_read_inode for %d", (int)inode->i_ino);
if (current != yaffs_dev_to_lc(dev)->readdir_process)
yaffs_gross_lock(dev);
#endif
static LIST_HEAD(yaffs_context_list);
-struct semaphore yaffs_context_lock;
+struct mutex yaffs_context_lock;
static void yaffs_put_super(struct super_block *sb)
{
struct yaffs_dev *dev = yaffs_super_to_dev(sb);
- T(YAFFS_TRACE_OS, (TSTR("yaffs_put_super\n")));
+ 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_gross_unlock(dev);
- down(&yaffs_context_lock);
+ mutex_lock(&yaffs_context_lock);
list_del_init(&(yaffs_dev_to_lc(dev)->context_list));
- up(&yaffs_context_lock);
+ mutex_unlock(&yaffs_context_lock);
if (yaffs_dev_to_lc(dev)->spare_buffer) {
- YFREE(yaffs_dev_to_lc(dev)->spare_buffer);
+ kfree(yaffs_dev_to_lc(dev)->spare_buffer);
yaffs_dev_to_lc(dev)->spare_buffer = NULL;
}
{
struct super_block *sb = yaffs_dev_to_lc(dev)->super;
- T(YAFFS_TRACE_OS, (TSTR("yaffs_touch_super() sb = %p\n"), sb));
+ yaffs_trace(YAFFS_TRACE_OS, "yaffs_touch_super() sb = %p", sb);
if (sb)
sb->s_dirt = 1;
}
int lazy_loading_overridden;
int empty_lost_and_found;
int empty_lost_and_found_overridden;
+ int disable_summary;
};
#define MAX_OPT_LEN 30
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")) {
} else if (!strcmp(cur_opt, "lazy-loading-on")) {
options->lazy_loading_enabled = 1;
options->lazy_loading_overridden = 1;
+ } else if (!strcmp(cur_opt, "disable-summary")) {
+ options->disable_summary = 1;
} 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 = 1;
options->empty_lost_and_found_overridden = 1;
- } else if (!strcmp(cur_opt, "no-cache"))
+ } 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 {
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;
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");
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")));
+ if (yaffs_auto_select && yaffs_version == 1 && WRITE_SIZE(mtd) >= 2048) {
+ yaffs_trace(YAFFS_TRACE_ALWAYS, "auto selecting yaffs2");
yaffs_version = 2;
}
/* Added NCB 26/5/2006 for completeness */
if (yaffs_version == 2 && !options.inband_tags
&& WRITE_SIZE(mtd) == 512) {
- T(YAFFS_TRACE_ALWAYS, (TSTR("yaffs: auto selecting yaffs1\n")));
+ yaffs_trace(YAFFS_TRACE_ALWAYS, "auto selecting yaffs1");
yaffs_version = 1;
}
-#endif
if (yaffs_version == 2) {
/* Check for version 2 style functions */
!mtd->write_ecc ||
!mtd->read_ecc || !mtd->read_oob || !mtd->write_oob) {
#endif
- T(YAFFS_TRACE_ALWAYS,
- (TSTR("yaffs: MTD device does not support required "
- "functions\n")));
+ yaffs_trace(YAFFS_TRACE_ALWAYS,
+ "MTD device does not support required functions"
+ );
return NULL;
}
if ((WRITE_SIZE(mtd) < YAFFS_MIN_YAFFS2_CHUNK_SIZE ||
mtd->oobsize < YAFFS_MIN_YAFFS2_SPARE_SIZE) &&
!options.inband_tags) {
- T(YAFFS_TRACE_ALWAYS,
- (TSTR("yaffs: MTD device does not have the "
- "right page sizes\n")));
+ yaffs_trace(YAFFS_TRACE_ALWAYS,
+ "MTD device does not have the right page sizes"
+ );
return NULL;
}
} else {
!mtd->write_ecc ||
!mtd->read_ecc || !mtd->read_oob || !mtd->write_oob) {
#endif
- T(YAFFS_TRACE_ALWAYS,
- (TSTR("yaffs: MTD device does not support required "
- "functions\n")));
+ yaffs_trace(YAFFS_TRACE_ALWAYS,
+ "MTD device does not support required functions"
+ );
return NULL;
}
if (WRITE_SIZE(mtd) < YAFFS_BYTES_PER_CHUNK ||
mtd->oobsize != YAFFS_BYTES_PER_SPARE) {
- T(YAFFS_TRACE_ALWAYS,
- (TSTR("yaffs: MTD device does not support have the "
- "right page sizes\n")));
+ yaffs_trace(YAFFS_TRACE_ALWAYS,
+ "MTD device does not support have the right page sizes"
+ );
return NULL;
}
}
if (!read_only && !(mtd->flags & MTD_WRITEABLE)) {
read_only = 1;
printk(KERN_INFO
- "yaffs: mtd is read only, setting superblock read only");
+ "yaffs: mtd is read only, setting superblock read only\n"
+ );
sb->s_flags |= MS_RDONLY;
}
if (!dev) {
/* Deep shit could not allocate device structure */
- T(YAFFS_TRACE_ALWAYS,
- (TSTR("yaffs_read_super: Failed trying to allocate "
- "struct yaffs_dev. \n")));
+ yaffs_trace(YAFFS_TRACE_ALWAYS,
+ "yaffs_read_super: Failed trying to allocate struct yaffs_dev."
+ );
return NULL;
}
memset(dev, 0, sizeof(struct yaffs_dev));
sb->u.generic_sbp = dev;
#endif
+
dev->driver_context = mtd;
param->name = mtd->name;
param->n_caches = (options.no_cache) ? 0 : 10;
param->inband_tags = options.inband_tags;
-#ifdef CONFIG_YAFFS_DISABLE_LAZY_LOAD
- param->disable_lazy_load = 1;
-#endif
-#ifdef CONFIG_YAFFS_XATTR
param->enable_xattr = 1;
-#endif
if (options.lazy_loading_overridden)
param->disable_lazy_load = !options.lazy_loading_enabled;
-#ifdef CONFIG_YAFFS_DISABLE_TAGS_ECC
- param->no_tags_ecc = 1;
-#endif
-
-#ifdef CONFIG_YAFFS_DISABLE_BACKGROUND
-#else
param->defered_dir_update = 1;
-#endif
if (options.tags_ecc_overridden)
param->no_tags_ecc = !options.tags_ecc_on;
-#ifdef CONFIG_YAFFS_EMPTY_LOST_AND_FOUND
param->empty_lost_n_found = 1;
-#endif
-
-#ifdef CONFIG_YAFFS_DISABLE_BLOCK_REFRESHING
- param->refresh_period = 0;
-#else
param->refresh_period = 500;
-#endif
-
-#ifdef CONFIG_YAFFS__ALWAYS_CHECK_CHUNK_ERASED
- param->always_check_erased = 1;
-#endif
+ param->disable_summary = options.disable_summary;
if (options.empty_lost_and_found_overridden)
param->empty_lost_n_found = options.empty_lost_and_found;
param->read_chunk_tags_fn = nandmtd2_read_chunk_tags;
param->bad_block_fn = nandmtd2_mark_block_bad;
param->query_block_fn = nandmtd2_query_block;
- yaffs_dev_to_lc(dev)->spare_buffer = YMALLOC(mtd->oobsize);
+ yaffs_dev_to_lc(dev)->spare_buffer =
+ kmalloc(mtd->oobsize, GFP_NOFS);
param->is_yaffs2 = 1;
#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17))
param->total_bytes_per_chunk = mtd->writesize;
yaffs_dev_to_lc(dev)->super = sb;
-#ifndef CONFIG_YAFFS_DOES_ECC
param->use_nand_ecc = 1;
-#endif
-
-#ifdef CONFIG_YAFFS_DISABLE_WIDE_TNODES
- param->wide_tnodes_disabled = 1;
-#endif
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++) {
list_add_tail(&(yaffs_dev_to_lc(dev)->context_list),
&yaffs_context_list);
- up(&yaffs_context_lock);
+ mutex_unlock(&yaffs_context_lock);
/* 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)->gross_lock));
+ 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"));
+ 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->bg_thread)
param->defered_dir_update = 0;
+ sb->s_maxbytes = yaffs_max_file_size(dev);
+
/* Release lock before yaffs_get_inode() */
yaffs_gross_unlock(dev);
inode->i_op = &yaffs_dir_inode_operations;
inode->i_fop = &yaffs_dir_operations;
- T(YAFFS_TRACE_OS, (TSTR("yaffs_read_super: got root inode\n")));
+ yaffs_trace(YAFFS_TRACE_OS, "yaffs_read_super: got root inode");
root = d_alloc_root(inode);
- T(YAFFS_TRACE_OS, (TSTR("yaffs_read_super: d_alloc_root done\n")));
+ yaffs_trace(YAFFS_TRACE_OS, "yaffs_read_super: d_alloc_root done");
if (!root) {
iput(inode);
}
sb->s_root = root;
sb->s_dirt = !dev->is_checkpointed;
- T(YAFFS_TRACE_ALWAYS,
- (TSTR("yaffs_read_super: is_checkpointed %d\n"),
- dev->is_checkpointed));
+ yaffs_trace(YAFFS_TRACE_ALWAYS,
+ "yaffs_read_super: is_checkpointed %d",
+ dev->is_checkpointed);
- T(YAFFS_TRACE_OS, (TSTR("yaffs_read_super: done\n")));
+ yaffs_trace(YAFFS_TRACE_OS, "yaffs_read_super: done");
return sb;
}
return yaffs_internal_read_super(1, sb, data, silent) ? 0 : -EINVAL;
}
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17))
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 39))
+static struct dentry *yaffs_mount(struct file_system_type *fs_type, int flags,
+ const char *dev_name, void *data)
+{
+ return mount_bdev(fs_type, flags, dev_name, data, yaffs_internal_read_super_mtd);
+}
+#elif (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17))
static int yaffs_read_super(struct file_system_type *fs,
int flags, const char *dev_name,
void *data, struct vfsmount *mnt)
static struct file_system_type yaffs_fs_type = {
.owner = THIS_MODULE,
.name = "yaffs",
- .get_sb = yaffs_read_super,
- .kill_sb = kill_block_super,
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 39))
+ .mount = yaffs_mount,
+#else
+ .get_sb = yaffs_read_super,
+#endif
+ .kill_sb = kill_block_super,
.fs_flags = FS_REQUIRES_DEV,
};
#else
FS_REQUIRES_DEV);
#endif
-#ifdef CONFIG_YAFFS_YAFFS2
#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
static int yaffs2_internal_read_super_mtd(struct super_block *sb, void *data,
return yaffs_internal_read_super(2, sb, data, silent) ? 0 : -EINVAL;
}
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17))
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 39))
+static struct dentry *yaffs2_mount(struct file_system_type *fs_type, int flags,
+ const char *dev_name, void *data)
+{
+ return mount_bdev(fs_type, flags, dev_name, data, yaffs2_internal_read_super_mtd);
+}
+#elif (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)
static struct file_system_type yaffs2_fs_type = {
.owner = THIS_MODULE,
.name = "yaffs2",
- .get_sb = yaffs2_read_super,
- .kill_sb = kill_block_super,
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 39))
+ .mount = yaffs2_mount,
+#else
+ .get_sb = yaffs2_read_super,
+#endif
+ .kill_sb = kill_block_super,
.fs_flags = FS_REQUIRES_DEV,
};
#else
FS_REQUIRES_DEV);
#endif
-#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, struct yaffs_dev *dev)
{
- buf +=
- sprintf(buf, "start_block.......... %d\n", dev->param.start_block);
- buf += sprintf(buf, "end_block............ %d\n", dev->param.end_block);
- buf +=
- sprintf(buf, "total_bytes_per_chunk %d\n",
- dev->param.total_bytes_per_chunk);
- buf +=
- sprintf(buf, "use_nand_ecc......... %d\n", dev->param.use_nand_ecc);
- buf +=
- sprintf(buf, "no_tags_ecc.......... %d\n", dev->param.no_tags_ecc);
- buf += sprintf(buf, "is_yaffs2............ %d\n", dev->param.is_yaffs2);
- buf +=
- sprintf(buf, "inband_tags.......... %d\n", dev->param.inband_tags);
- buf +=
- sprintf(buf, "empty_lost_n_found... %d\n",
- dev->param.empty_lost_n_found);
- buf +=
- sprintf(buf, "disable_lazy_load.... %d\n",
- dev->param.disable_lazy_load);
- buf +=
- sprintf(buf, "refresh_period....... %d\n",
- dev->param.refresh_period);
- buf += sprintf(buf, "n_caches............. %d\n", dev->param.n_caches);
- buf +=
- sprintf(buf, "n_reserved_blocks.... %d\n",
- dev->param.n_reserved_blocks);
- buf +=
- sprintf(buf, "always_check_erased.. %d\n",
- dev->param.always_check_erased);
-
+ struct yaffs_param *param = &dev->param;
+
+ buf += sprintf(buf, "start_block.......... %d\n", param->start_block);
+ buf += sprintf(buf, "end_block............ %d\n", param->end_block);
+ buf += sprintf(buf, "total_bytes_per_chunk %d\n",
+ param->total_bytes_per_chunk);
+ buf += sprintf(buf, "use_nand_ecc......... %d\n", param->use_nand_ecc);
+ buf += sprintf(buf, "no_tags_ecc.......... %d\n", param->no_tags_ecc);
+ buf += sprintf(buf, "is_yaffs2............ %d\n", param->is_yaffs2);
+ buf += sprintf(buf, "inband_tags.......... %d\n", param->inband_tags);
+ buf += sprintf(buf, "empty_lost_n_found... %d\n",
+ param->empty_lost_n_found);
+ buf += sprintf(buf, "disable_lazy_load.... %d\n",
+ param->disable_lazy_load);
+ buf += sprintf(buf, "refresh_period....... %d\n",
+ param->refresh_period);
+ buf += sprintf(buf, "n_caches............. %d\n", param->n_caches);
+ buf += sprintf(buf, "n_reserved_blocks.... %d\n",
+ param->n_reserved_blocks);
+ buf += sprintf(buf, "always_check_erased.. %d\n",
+ param->always_check_erased);
buf += sprintf(buf, "\n");
return buf;
static char *yaffs_dump_dev_part1(char *buf, struct yaffs_dev *dev)
{
- buf +=
- sprintf(buf, "data_bytes_per_chunk. %d\n",
- dev->data_bytes_per_chunk);
+ buf += sprintf(buf, "max file size....... %lld\n",
+ (long long) yaffs_max_file_size(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, "n_erased_blocks...... %d\n", dev->n_erased_blocks);
- buf +=
- sprintf(buf, "blocks_in_checkpt.... %d\n", dev->blocks_in_checkpt);
+ buf += sprintf(buf, "blocks_in_checkpt.... %d\n",
+ dev->blocks_in_checkpt);
buf += sprintf(buf, "\n");
buf += sprintf(buf, "n_tnodes............. %d\n", dev->n_tnodes);
buf += sprintf(buf, "n_obj................ %d\n", dev->n_obj);
buf += sprintf(buf, "n_erasures........... %u\n", dev->n_erasures);
buf += sprintf(buf, "n_gc_copies.......... %u\n", dev->n_gc_copies);
buf += sprintf(buf, "all_gcs.............. %u\n", dev->all_gcs);
- buf +=
- sprintf(buf, "passive_gc_count..... %u\n", dev->passive_gc_count);
- buf +=
- sprintf(buf, "oldest_dirty_gc_count %u\n",
- dev->oldest_dirty_gc_count);
+ buf += sprintf(buf, "passive_gc_count..... %u\n",
+ dev->passive_gc_count);
+ buf += sprintf(buf, "oldest_dirty_gc_count %u\n",
+ dev->oldest_dirty_gc_count);
buf += sprintf(buf, "n_gc_blocks.......... %u\n", dev->n_gc_blocks);
buf += sprintf(buf, "bg_gcs............... %u\n", dev->bg_gcs);
- buf +=
- sprintf(buf, "n_retired_writes..... %u\n", dev->n_retired_writes);
- buf +=
- sprintf(buf, "n_retired_blocks..... %u\n", dev->n_retired_blocks);
+ buf += sprintf(buf, "n_retried_writes..... %u\n",
+ dev->n_retried_writes);
+ buf += sprintf(buf, "n_retired_blocks..... %u\n",
+ dev->n_retired_blocks);
buf += sprintf(buf, "n_ecc_fixed.......... %u\n", dev->n_ecc_fixed);
buf += sprintf(buf, "n_ecc_unfixed........ %u\n", dev->n_ecc_unfixed);
- buf +=
- sprintf(buf, "n_tags_ecc_fixed..... %u\n", dev->n_tags_ecc_fixed);
- buf +=
- sprintf(buf, "n_tags_ecc_unfixed... %u\n", dev->n_tags_ecc_unfixed);
+ buf += sprintf(buf, "n_tags_ecc_fixed..... %u\n",
+ dev->n_tags_ecc_fixed);
+ buf += sprintf(buf, "n_tags_ecc_unfixed... %u\n",
+ dev->n_tags_ecc_unfixed);
buf += sprintf(buf, "cache_hits........... %u\n", dev->cache_hits);
buf += sprintf(buf, "n_deleted_files...... %u\n", dev->n_deleted_files);
- buf +=
- sprintf(buf, "n_unlinked_files..... %u\n", dev->n_unlinked_files);
+ buf += sprintf(buf, "n_unlinked_files..... %u\n",
+ dev->n_unlinked_files);
buf += sprintf(buf, "refresh_count........ %u\n", dev->refresh_count);
buf += sprintf(buf, "n_bg_deletions....... %u\n", dev->n_bg_deletions);
+ buf += sprintf(buf, "tags_used............ %u\n", dev->tags_used);
+ buf += sprintf(buf, "summary_used......... %u\n", dev->summary_used);
return buf;
}
else {
step -= 2;
- down(&yaffs_context_lock);
+ mutex_lock(&yaffs_context_lock);
/* Locate and print the Nth entry. Order N-squared but N is small. */
list_for_each(item, &yaffs_context_list) {
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);
+ mutex_unlock(&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 list_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. */
- 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;
-
- int erased_chunks;
-
- erased_chunks =
- 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, erased_chunks,
- dev->bg_gcs, dev->oldest_dirty_gc_count,
- dev->n_obj, dev->n_tnodes);
- }
- up(&yaffs_context_lock);
-
- return buf - page < count ? buf - page : count;
-}
-
/**
* Set the verbosity of the warnings and error messages.
*
char *mask_name;
unsigned mask_bitfield;
} mask_flags[] = {
- {
- "allocate", YAFFS_TRACE_ALLOCATE}, {
- "always", YAFFS_TRACE_ALWAYS}, {
- "background", YAFFS_TRACE_BACKGROUND}, {
- "bad_blocks", YAFFS_TRACE_BAD_BLOCKS}, {
- "buffers", YAFFS_TRACE_BUFFERS}, {
- "bug", YAFFS_TRACE_BUG}, {
- "checkpt", YAFFS_TRACE_CHECKPOINT}, {
- "deletion", YAFFS_TRACE_DELETION}, {
- "erase", YAFFS_TRACE_ERASE}, {
- "error", YAFFS_TRACE_ERROR}, {
- "gc_detail", YAFFS_TRACE_GC_DETAIL}, {
- "gc", YAFFS_TRACE_GC}, {
- "lock", YAFFS_TRACE_LOCK}, {
- "mtd", YAFFS_TRACE_MTD}, {
- "nandaccess", YAFFS_TRACE_NANDACCESS}, {
- "os", YAFFS_TRACE_OS}, {
- "scan_debug", YAFFS_TRACE_SCAN_DEBUG}, {
- "scan", YAFFS_TRACE_SCAN}, {
- "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},};
+ {"allocate", YAFFS_TRACE_ALLOCATE},
+ {"always", YAFFS_TRACE_ALWAYS},
+ {"background", YAFFS_TRACE_BACKGROUND},
+ {"bad_blocks", YAFFS_TRACE_BAD_BLOCKS},
+ {"buffers", YAFFS_TRACE_BUFFERS},
+ {"bug", YAFFS_TRACE_BUG},
+ {"checkpt", YAFFS_TRACE_CHECKPOINT},
+ {"deletion", YAFFS_TRACE_DELETION},
+ {"erase", YAFFS_TRACE_ERASE},
+ {"error", YAFFS_TRACE_ERROR},
+ {"gc_detail", YAFFS_TRACE_GC_DETAIL},
+ {"gc", YAFFS_TRACE_GC},
+ {"lock", YAFFS_TRACE_LOCK},
+ {"mtd", YAFFS_TRACE_MTD},
+ {"nandaccess", YAFFS_TRACE_NANDACCESS},
+ {"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,
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")));
-#endif
-
- init_MUTEX(&yaffs_context_lock);
+ mutex_init(&yaffs_context_lock);
/* Install the proc_fs entries */
my_proc_entry = create_proc_entry("yaffs",
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_exit(exit_yaffs_fs)
MODULE_DESCRIPTION("YAFFS2 - a NAND specific flash file system");
-MODULE_AUTHOR("Charles Manning, Aleph One Ltd., 2002-2010");
+MODULE_AUTHOR("Charles Manning, Aleph One Ltd., 2002-2011");
MODULE_LICENSE("GPL");