When stressing xfs/083, I found it sometimes fails as the following: +++ touch 50000 files setfattr: /home/fsgqa/scratchmnt/INOBT/20627: Operation not permitted ./common/fuzzy: line 18: /home/fsgqa/scratchmnt/INOBT/20627: Operation not permitted mv: cannot move '/home/fsgqa/scratchmnt/INOBT/20627' to '/home/fsgqa/scratchmnt/INOBT/20627.longer': Operation not permitted ... xfs_repair did not fix everything It's simply that INOBT/20627 was an immutable file generated from fuzzing. Therefore, this patch tries to clear append, immutable flag first before modification. Note that it clears dax flag as well since it prevents immutable flag from clearing. Signed-off-by: Gao Xiang <hsiangkao@xxxxxxxxxx> --- changes since v1: - also clear append-only flag (I think that's better than just skip since maybe some potential errors exist on these files.) common/fuzzy | 2 ++ 1 file changed, 2 insertions(+) diff --git a/common/fuzzy b/common/fuzzy index 988203b1..bd08af1c 100644 --- a/common/fuzzy +++ b/common/fuzzy @@ -14,6 +14,8 @@ _scratch_fuzz_modify() { $XFS_IO_PROG -f -c "pwrite -S 0x63 0 ${blk_sz}" "/tmp/afile" > /dev/null date="$(date)" find "${SCRATCH_MNT}/" -type f 2> /dev/null | head -n "${nr}" | while read f; do + # try to remove append, immutable (and even dax) flag if exists + $XFS_IO_PROG -rc 'chattr -x -i -a' "$f" > /dev/null 2>&1 setfattr -n "user.date" -v "${date}" "$f" cat "/tmp/afile" >> "$f" mv "$f" "$f.longer" -- 2.18.1