I really do not know where is wrong: root@ubuntu ~/xfstests# ./check generic/042 FSTYP -- xfs (non-debug) PLATFORM -- Linux/x86_64 test 4.12.0-rc6 MKFS_OPTIONS -- -f -bsize=4096 /dev/sda4 MOUNT_OPTIONS -- /dev/sda4 /fs/scratch generic/042 - output mismatch (see ~/xfstests/results//generic/042.out.bad) --- tests/generic/042.out 2017-05-31 18:15:23.000000000 +0800 +++ ~/xfstests/results//generic/042.out.bad 2017-06-28 11:02:01.111749909 +0800 @@ -5,6 +5,16 @@ fpunch wrote 65536/65536 bytes at offset 0 XXX Bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) +0000000 cdcd cdcd cdcd cdcd cdcd cdcd cdcd cdcd +* +000f000 0000 0000 0000 0000 0000 0000 0000 0000 +* ... (Run 'diff -u tests/generic/042.out ~/xfstests/results//generic/042.out.bad' to see the entire diff) Ran: generic/042 Failures: generic/042 Failed 1 of 1 tests `falloc -k` can work, but `fpunch` and `fzero -k` can not. I have little knowledge about them, could you help me? Thanks Dai Xiang -- To unsubscribe from this list: send the line "unsubscribe linux-xfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html