Re: [PATCH] xfs/132: umount scratch device after finishing test

[Xiao Yang <yangx.jy@cn.fujitsu.com>]

On 2018/05/21 10:36, Dave Chinner wrote:
> On Sat, May 19, 2018 at 12:32:24PM +0800, Xiao Yang wrote:
>> xfs/132 and xfs/133 running together got the following error:
>> ------------------------------------------------------------
>> ...
>> xfs/132 1s ... 1s
>> xfs/133 1s ... [failed, exit status 1] - output mismatch (see /var/lib/xfstests/results//xfs/133.out.bad)
>> ...
>> QA output created by 133
>> -Format and mount
>> -Corrupt filesystem
>> -Remount, try to append
>> -Write did not succeed (ok).
>> +SCRATCH_DEV=/dev/sda11 is mounted but not on SCRATCH_MNT=common/config: - aborting
>> +Already mounted result:
>> +/dev/sda11 /mnt/xfstests/scratch
>> ...
>> ------------------------------------------------------------
>>
>> xfs/132 led to XFS shutdown due to the corrupted inode, but it didn't rectify XFS
>> by umount scratch device.
> AFAIK, we don't have to unmount the scratch device when a test
> finishes - the test harness is supposed to do that and make sure
> that it is in the correct state for the next test to run.
>
> It seems that somewhere along the line this got broken. - I'm
> guessing the fact that this test also says "don't check the scratch
> device" the test harness is failing to unmount it because it's not
> running _check_scratch_device. I'm guessing that it should at least
> run _scratch_unmount....
Hi Dave,

Could we just make the test harness call _scratch_unmount after running every test, as below:
--------------------------------------------------------------
diff --git a/check b/check
index 96198ac..63ece67 100755
--- a/check
+++ b/check
@@ -815,6 +815,7 @@ for section in $HOST_OPTIONS_SECTIONS; do
                 _make_testcase_report "$tc_status"
             fi
             seq="after_$seqnum"
+           _scratch_unmount 2>  /dev/null
         done
         sect_stop=`_wallclock`
         interrupt=false
@@ -823,7 +824,6 @@ for section in $HOST_OPTIONS_SECTIONS; do
         echo

         _test_unmount 2>  /dev/null
-       _scratch_unmount 2>  /dev/null
  done

  interrupt=false
---------------------------------------------------------------

Thanks,
Xiao Yang

> Cheers,
>
> Dave.