We find a checksum error and a inode corruption problem while doing
stress test, this 3 patches address to fix them.
- Checksum error
EXT4-fs error (device sda): ext4_lookup:1784: inode #131074: comm cat: iget: checksum invalid
- Inode corruption
e2fsck 1.46.0 (29-Jan-2020)
Pass 1: Checking inodes, blocks, and sizes
Pass 2: Checking directory structure
Entry 'foo' in / (2) has deleted/unused inode 17. Clear<y>? yes
Pass 3: Checking directory connectivity
Pass 4: Checking reference counts
Pass 5: Checking group summary information
Inode bitmap differences: -17
Fix<y>? yes
Free inodes count wrong for group #0 (32750, counted=32751).
Fix<y>? yes
Free inodes count wrong (32750, counted=32751).
Fix<y>? yes
The first patch is relate to the error simulation, and the second patch
is just a cleanup patch, which are prepare to do the fix. The last patch
fix these two issue.
Thanks,
Yi.
Zhang Yi (3):
ext4: move inode eio simulation behind io completeion
ext4: remove an unnecessary if statement in __ext4_get_inode_loc()
ext4: prevent getting empty inode buffer
fs/ext4/inode.c | 177 +++++++++++++++++++++++++-----------------------
1 file changed, 94 insertions(+), 83 deletions(-)
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2.31.1
