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ext3/ext4: orphan list check on destroy_inode

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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.

[[email protected]: update for print_hex_dump() changes]
Signed-off-by: Vasily Averin <[email protected]>
Cc: "Randy.Dunlap" <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Vasily Averin 2007-07-15 23:40:45 -07:00 • committed by Linus Torvalds
commit 9f7dd93de0
2 changed files with 16 additions and 0 deletions
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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));
}