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ext3/ext4: orphan list check on destroy_inode 

Customers claims to ext3-related errors, investigation showed that ext3
orphan list has been corrupted and have the reference to non-ext3 inode.
The following debug helps to understand the reasons of this issue.

[akpm@linux-foundation.org: update for print_hex_dump() changes]
Signed-off-by: Vasily Averin <vvs@sw.ru>
Cc: "Randy.Dunlap" <rdunlap@xenotime.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Vasily Averin 2007-07-15 23:40:45 -07:00 committed by Linus Torvalds
parent dcae56ea66
commit 9f7dd93de0
2 changed files with 16 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
fs/ext3/super.c
View File

@ -459,6 +459,14 @@ static struct inode *ext3_alloc_inode(struct super_block *sb)
static void ext3_destroy_inode(struct inode *inode)
{
if (!list_empty(&(EXT3_I(inode)->i_orphan))) {
printk("EXT3 Inode %p: orphan list check failed!\n",
EXT3_I(inode));
print_hex_dump(KERN_INFO, "", DUMP_PREFIX_ADDRESS, 16, 4,
EXT3_I(inode), sizeof(struct ext3_inode_info),
false);
dump_stack();
}
kmem_cache_free(ext3_inode_cachep, EXT3_I(inode));
}

8
fs/ext4/super.c
View File

@ -510,6 +510,14 @@ static struct inode *ext4_alloc_inode(struct super_block *sb)
static void ext4_destroy_inode(struct inode *inode)
{
if (!list_empty(&(EXT4_I(inode)->i_orphan))) {
printk("EXT4 Inode %p: orphan list check failed!\n",
EXT4_I(inode));
print_hex_dump(KERN_INFO, "", DUMP_PREFIX_ADDRESS, 16, 4,
EXT4_I(inode), sizeof(struct ext4_inode_info),
true);
dump_stack();
}
kmem_cache_free(ext4_inode_cachep, EXT4_I(inode));
}