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authorVasily Averin <vvs@sw.ru>2007-07-15 23:40:45 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-07-16 09:05:46 -0700
commit9f7dd93de07420b423336d5d0028959e94778ddb (patch)
treea2255d5c1f28bc8defdd7103a95689c706d08a1d /fs
parentdcae56ea661e13d8f904b584bbe4c1e50c7ee548 (diff)
downloadop-kernel-dev-9f7dd93de07420b423336d5d0028959e94778ddb.zip
op-kernel-dev-9f7dd93de07420b423336d5d0028959e94778ddb.tar.gz
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>
Diffstat (limited to 'fs')
-rw-r--r--fs/ext3/super.c8
-rw-r--r--fs/ext4/super.c8
2 files changed, 16 insertions, 0 deletions
diff --git a/fs/ext3/super.c b/fs/ext3/super.c
index 6e30629..6ee4a95 100644
--- a/fs/ext3/super.c
+++ b/fs/ext3/super.c
@@ -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));
}
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 175b68c..6768c5a 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -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));
}
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