From: Vasily Averin 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 Signed-off-by: Andrew Morton --- 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)); } _