Re: [PATCH v4 2/3] common/filter: factor out expected XFS warnings for mount

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

On 2018/01/18 16:48, Eryu Guan wrote:
> On Tue, Jan 16, 2018 at 03:26:56PM +0800, xiao yang wrote:
>> 1) Move filter_xfs_dmesg from xfs/098 to common/filter, and rename
>>     it as _filter_assert_dmesg.
>>
>> 2) Add _require_no_xfs_debug helper to skip xfs/098 if it is tested
>>     on debug build.
>>
>> Signed-off-by: xiao yang<yangx.jy@cn.fujitsu.com>
>> ---
>>   common/filter |  9 +++++++++
>>   tests/xfs/098 | 18 ++++++------------
>>   2 files changed, 15 insertions(+), 12 deletions(-)
>>
>> diff --git a/common/filter b/common/filter
>> index 8e1fdb4..8f90b01 100644
>> --- a/common/filter
>> +++ b/common/filter
>> @@ -570,5 +570,14 @@ _filter_aiodio_dmesg()
>>   	    -e "s#$warn9#Intentional warnings in dio_complete#"
>>   }
>>
>> +# We generate assert WARNINGs on CONFIG_XFS_WARN build as expected and make
>> +# sure test doesn't fail because of these warnings. This is a helper for
>> +# _check_dmesg() to filter out them.
>> +_filter_assert_dmesg()
>> +{
>> +	local warn="WARNING:.*fs/xfs/xfs_message\.c:.*asswarn.*"
> When bug_on_assert=0, the "asswarn" can be "assfail" too, we should
> filter out both cases.
Hi Eryu,

Agreed.
>> +	sed -e "s#$warn#Intentional warnings in asswarn#"
>> +}
>> +
>>   # make sure this script returns success
>>   /bin/true
>> diff --git a/tests/xfs/098 b/tests/xfs/098
>> index 9bcd94b..f924b32 100755
>> --- a/tests/xfs/098
>> +++ b/tests/xfs/098
>> @@ -47,6 +47,9 @@ _cleanup()
>>   _supported_fs xfs
>>   _supported_os Linux
>>
>> +# We corrupt XFS on purpose, and debug built XFS would crash due to
>> +# assert failure, so skip if we're testing on a debug built XFS
>> +_require_no_xfs_debug
> Same here, _require_no_xfs_bug_on_assert if we all agree to do so.
OK, i will add a new _require_no_xfs_bug_on_assert and update the whole 
patch set.

Thanks,
Xiao Yang.
> Thanks,
> Eryu
>
>>   _require_scratch
>>   test -n "${FORCE_FUZZ}" || _require_scratch_xfs_crc
>>   _require_attrs
>> @@ -56,16 +59,6 @@ test -z "${FUZZ_ARGS}"&&  FUZZ_ARGS="-n 8 -3"
>>
>>   rm -f $seqres.full
>>
>> -# If we corrupt log on a CONFIG_XFS_WARN build, there will be mount related
>> -# WARNINGs in dmesg as expected.  We don't want to simply _disable_dmesg_check
>> -# which could miss other potential bugs, so filter out the intentional WARNINGs,
>> -# make sure test doesn't fail because of this warning and fails on other WARNINGs.
>> -filter_xfs_dmesg()
>> -{
>> -	local warn="WARNING:.*fs/xfs/xfs_message\.c:.*asswarn.*"
>> -	sed -e "s#$warn#Intentional warnings in asswarn#"
>> -}
>> -
>>   TESTDIR="${SCRATCH_MNT}/scratchdir"
>>   TESTFILE="${TESTDIR}/testfile"
>>
>> @@ -107,8 +100,9 @@ _scratch_mount 2>/dev/null&&  _fail "mount should not succeed"
>>   echo "+ repair fs"
>>   _repair_scratch_fs>>  $seqres.full 2>&1
>>
>> -# mount may trigger related WARNINGs, so filter them.
>> -_check_dmesg filter_xfs_dmesg
>> +# We may trigger mounted related WARNINGs if we corrupt log on a
>> +# CONFIG_XFS_WARN build, so filter them.
>> +_check_dmesg _filter_assert_dmesg
>>
>>   echo "+ mount image (2)"
>>   _scratch_mount
>> -- 
>> 1.8.3.1
>>
>>
>>
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