The patch titled
ext3/ext4: orphan list check on destroy_inode
has been added to the -mm tree. Its filename is
ext3-ext4-orphan-list-check-on-destroy_inode.patch
*** Remember to use Documentation/SubmitChecklist when testing your code ***
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: ext3/ext4: orphan list check on destroy_inode
From: Vasily Averin <vvs@xxxxx>
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.
Signed-off-by: Vasily Averin <vvs@xxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
fs/ext3/super.c | 7 +++++++
fs/ext4/super.c | 7 +++++++
2 files changed, 14 insertions(+)
diff -puN fs/ext3/super.c~ext3-ext4-orphan-list-check-on-destroy_inode fs/ext3/super.c
--- a/fs/ext3/super.c~ext3-ext4-orphan-list-check-on-destroy_inode
+++ a/fs/ext3/super.c
@@ -459,6 +459,13 @@ static struct inode *ext3_alloc_inode(st
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,
+ EXT3_I(inode), sizeof(struct ext3_inode_info));
+ dump_stack();
+ }
kmem_cache_free(ext3_inode_cachep, EXT3_I(inode));
}
diff -puN fs/ext4/super.c~ext3-ext4-orphan-list-check-on-destroy_inode fs/ext4/super.c
--- a/fs/ext4/super.c~ext3-ext4-orphan-list-check-on-destroy_inode
+++ a/fs/ext4/super.c
@@ -510,6 +510,13 @@ static struct inode *ext4_alloc_inode(st
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,
+ EXT4_I(inode), sizeof(struct ext4_inode_info));
+ dump_stack();
+ }
kmem_cache_free(ext4_inode_cachep, EXT4_I(inode));
}
_
Patches currently in -mm which might be from vvs@xxxxx are
wrong-timeout-value-in-sk_wait_data-v2-fix.patch
ext3-lost-brelse-in-ext3_read_inode.patch
ext4-lost-brelse-in-ext4_read_inode.patch
ext3-ext4-orphan-list-check-on-destroy_inode.patch
ext3-ext4-orphan-list-corruption-due-bad-inode.patch
i2o_cfg_passthru-cleanup.patch
i2o_cfg_passthru-cleanup-fix.patch
wrong-memory-access-in-i2o_block_device_lock.patch
i2o-message-leak-in-i2o_msg_post_wait_mem.patch
i2o-proc-reading-oops.patch
i2o-debug-output-cleanup.patch
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