The current code doesn't compute the group descriptor checksum correctly for the filesystems that e2fsprogs 1.43.4 creates (they have 'Group descriptor size: 64' as reported by tune2fs). Extend the checksum calculation to be done as ext4_group_desc_csum() does in Linux. This fixes these errors in dmesg from running fs-test.sh and makes it succeed again: [1671902.620699] EXT4-fs (loop1): ext4_check_descriptors: Checksum for group 0 failed (35782!=10965) [1671902.620706] EXT4-fs (loop1): group descriptors corrupted! Signed-off-by: Tuomas Tynkkynen <tuomas.tynkkynen@iki.fi>master
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