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authorLinus Torvalds <torvalds@linux-foundation.org>2011-01-11 14:36:55 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2011-01-11 14:36:55 -0800
commit40c73abbb37e399eba274fe49e520ffa3dd65bdb (patch)
tree11ee28f09a2455c7134964f7f09e16a93d058c13 /fs/ext2
parent0945f352ce1520765296fc2b07e50055c847d39d (diff)
parentd96336b05d718b03ff03c94c0dc0cc283a29d534 (diff)
Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs-2.6
* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs-2.6: ext2: Resolve 'dereferencing pointer to incomplete type' when enabling EXT2_XATTR_DEBUG ext3: Remove redundant unlikely() ext2: Remove redundant unlikely() ext3: speed up file creates by optimizing rec_len functions ext2: speed up file creates by optimizing rec_len functions ext3: Add more journal error check ext3: Add journal error check in resize.c quota: Use %pV and __attribute__((format (printf in __quota_error and fix fallout ext3: Add FITRIM handling ext3: Add batched discard support for ext3 ext3: Add journal error check into ext3_rename() ext3: Use search_dirblock() in ext3_dx_find_entry() ext3: Avoid uninitialized memory references with a corrupted htree directory ext3: Return error code from generic_check_addressable ext3: Add journal error check into ext3_delete_entry() ext3: Add error check in ext3_mkdir() fs/ext3/super.c: Use printf extension %pV fs/ext2/super.c: Use printf extension %pV ext3: don't update sb journal_devnum when RO dev
Diffstat (limited to 'fs/ext2')
-rw-r--r--fs/ext2/dir.c19
-rw-r--r--fs/ext2/namei.c2
-rw-r--r--fs/ext2/super.c25
3 files changed, 32 insertions, 14 deletions
diff --git a/fs/ext2/dir.c b/fs/ext2/dir.c
index 2709b34206a..47cda410b54 100644
--- a/fs/ext2/dir.c
+++ b/fs/ext2/dir.c
@@ -28,21 +28,30 @@
typedef struct ext2_dir_entry_2 ext2_dirent;
+/*
+ * Tests against MAX_REC_LEN etc were put in place for 64k block
+ * sizes; if that is not possible on this arch, we can skip
+ * those tests and speed things up.
+ */
static inline unsigned ext2_rec_len_from_disk(__le16 dlen)
{
unsigned len = le16_to_cpu(dlen);
+#if (PAGE_CACHE_SIZE >= 65536)
if (len == EXT2_MAX_REC_LEN)
return 1 << 16;
+#endif
return len;
}
static inline __le16 ext2_rec_len_to_disk(unsigned len)
{
+#if (PAGE_CACHE_SIZE >= 65536)
if (len == (1 << 16))
return cpu_to_le16(EXT2_MAX_REC_LEN);
else
BUG_ON(len > (1 << 16));
+#endif
return cpu_to_le16(len);
}
@@ -129,15 +138,15 @@ static void ext2_check_page(struct page *page, int quiet)
p = (ext2_dirent *)(kaddr + offs);
rec_len = ext2_rec_len_from_disk(p->rec_len);
- if (rec_len < EXT2_DIR_REC_LEN(1))
+ if (unlikely(rec_len < EXT2_DIR_REC_LEN(1)))
goto Eshort;
- if (rec_len & 3)
+ if (unlikely(rec_len & 3))
goto Ealign;
- if (rec_len < EXT2_DIR_REC_LEN(p->name_len))
+ if (unlikely(rec_len < EXT2_DIR_REC_LEN(p->name_len)))
goto Enamelen;
- if (((offs + rec_len - 1) ^ offs) & ~(chunk_size-1))
+ if (unlikely(((offs + rec_len - 1) ^ offs) & ~(chunk_size-1)))
goto Espan;
- if (le32_to_cpu(p->inode) > max_inumber)
+ if (unlikely(le32_to_cpu(p->inode) > max_inumber))
goto Einumber;
}
if (offs != limit)
diff --git a/fs/ext2/namei.c b/fs/ext2/namei.c
index f8aecd2e329..2e1d8341d82 100644
--- a/fs/ext2/namei.c
+++ b/fs/ext2/namei.c
@@ -67,7 +67,7 @@ static struct dentry *ext2_lookup(struct inode * dir, struct dentry *dentry, str
inode = NULL;
if (ino) {
inode = ext2_iget(dir->i_sb, ino);
- if (unlikely(IS_ERR(inode))) {
+ if (IS_ERR(inode)) {
if (PTR_ERR(inode) == -ESTALE) {
ext2_error(dir->i_sb, __func__,
"deleted inode referenced: %lu",
diff --git a/fs/ext2/super.c b/fs/ext2/super.c
index e0c6380ff99..7731695e65d 100644
--- a/fs/ext2/super.c
+++ b/fs/ext2/super.c
@@ -43,9 +43,10 @@ static int ext2_remount (struct super_block * sb, int * flags, char * data);
static int ext2_statfs (struct dentry * dentry, struct kstatfs * buf);
static int ext2_sync_fs(struct super_block *sb, int wait);
-void ext2_error (struct super_block * sb, const char * function,
- const char * fmt, ...)
+void ext2_error(struct super_block *sb, const char *function,
+ const char *fmt, ...)
{
+ struct va_format vaf;
va_list args;
struct ext2_sb_info *sbi = EXT2_SB(sb);
struct ext2_super_block *es = sbi->s_es;
@@ -59,9 +60,13 @@ void ext2_error (struct super_block * sb, const char * function,
}
va_start(args, fmt);
- printk(KERN_CRIT "EXT2-fs (%s): error: %s: ", sb->s_id, function);
- vprintk(fmt, args);
- printk("\n");
+
+ vaf.fmt = fmt;
+ vaf.va = &args;
+
+ printk(KERN_CRIT "EXT2-fs (%s): error: %s: %pV\n",
+ sb->s_id, function, &vaf);
+
va_end(args);
if (test_opt(sb, ERRORS_PANIC))
@@ -76,12 +81,16 @@ void ext2_error (struct super_block * sb, const char * function,
void ext2_msg(struct super_block *sb, const char *prefix,
const char *fmt, ...)
{
+ struct va_format vaf;
va_list args;
va_start(args, fmt);
- printk("%sEXT2-fs (%s): ", prefix, sb->s_id);
- vprintk(fmt, args);
- printk("\n");
+
+ vaf.fmt = fmt;
+ vaf.va = &args;
+
+ printk("%sEXT2-fs (%s): %pV\n", prefix, sb->s_id, &vaf);
+
va_end(args);
}