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SubjectRe: [PATCH v3] ext4:fix file system corrupted when rmdir non empty directory with IO error
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On Mon, 28 Feb 2022 10:48:15 +0800, Ye Bin wrote:
> We inject IO error when rmdir non empty direcory, then got issue as follows:
> step1: mkfs.ext4 -F /dev/sda
> step2: mount /dev/sda test
> step3: cd test
> step4: mkdir -p 1/2
> step5: rmdir 1
> [ 110.920551] ext4_empty_dir: inject fault
> [ 110.921926] EXT4-fs warning (device sda): ext4_rmdir:3113: inode #12:
> comm rmdir: empty directory '1' has too many links (3)
> step6: cd ..
> step7: umount test
> step8: fsck.ext4 -f /dev/sda
> e2fsck 1.42.9 (28-Dec-2013)
> Pass 1: Checking inodes, blocks, and sizes
> Pass 2: Checking directory structure
> Entry '..' in .../??? (13) has deleted/unused inode 12. Clear<y>? yes
> Pass 3: Checking directory connectivity
> Unconnected directory inode 13 (...)
> Connect to /lost+found<y>? yes
> Pass 4: Checking reference counts
> Inode 13 ref count is 3, should be 2. Fix<y>? yes
> Pass 5: Checking group summary information
>
> [...]

Applied, thanks!

[1/1] ext4:fix file system corrupted when rmdir non empty directory with IO error
commit: 7aab5c84a0f6ec2290e2ba4a6b245178b1bf949a

Best regards,
--
Theodore Ts'o <tytso@mit.edu>

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