On 2018/9/28 20:26, Eryu Guan wrote:
> On Tue, Sep 25, 2018 at 04:45:58PM +0800, Chao Yu wrote:
>> After fsync, filesystem should guarantee inode metadata including
>> uid/gid being persisted, so even after sudden power-cut, durign
>> mount, we should recover uid/gid fields correctly, in order to not
>> loss those meta info.
>>
>> So adding this testcase to check whether generic filesystem can
>> guarantee that.
>>
>> Signed-off-by: Chao Yu <yuch...@huawei.com>
>
> Looks good to me. Just two minor issues inline, and I'll just fix them
> on commit.
>
>> ---
>> tests/generic/505 | 95 +++++++++++++++++++++++++++++++++++++++++++
>> tests/generic/505.out | 2 +
>> tests/generic/group | 1 +
>> 3 files changed, 98 insertions(+)
>> create mode 100755 tests/generic/505
>> create mode 100644 tests/generic/505.out
>>
>> diff --git a/tests/generic/505 b/tests/generic/505
>> new file mode 100755
>> index 000000000000..103a1e9bbe47
>> --- /dev/null
>> +++ b/tests/generic/505
>> @@ -0,0 +1,95 @@
>> +#! /bin/bash
>> +# SPDX-License-Identifier: GPL-2.0
>> +# Copyright (c) 2018 Huawei. All Rights Reserved.
>> +#
>> +# FS QA Test 505
>> +#
>> +# This testcase is trying to test recovery flow of generic filesystem, w/
>> below
>> +# steps, once uid or gid changes, after we fsync that file, we can expect
>> that
>> +# uid/gid can be recovered after sudden power-cuts.
>> +# 1. touch testfile;
>> +# 1.1 sync (optional)
>> +# 2. chown 100 testfile;
>> +# 3. chgrp 100 testfile;
>> +# 4. xfs_io -f testfile -c "fsync";
>> +# 5. godown;
>> +# 6. umount;
>> +# 7. mount;
>> +# 8. check uid/gid
>> +#
>> +seq=`basename $0`
>> +seqres=$RESULT_DIR/$seq
>> +echo "QA output created by $seq"
>> +
>> +here=`pwd`
>> +tmp=/tmp/$$
>> +status=1 # failure is the default!
>> +trap "_cleanup; exit \$status" 0 1 2 3 15
>> +
>> +_cleanup()
>> +{
>> + cd /
>> + rm -f $tmp.*
>> +}
>> +
>> +# get standard environment, filters and checks
>> +. ./common/rc
>> +. ./common/filter
>> +
>> +# remove previous $seqres.full before test
>> +rm -f $seqres.full
>> +
>> +# real QA test starts here
>> +_supported_fs generic
>> +_supported_os Linux
>> +
>> +_require_scratch
>> +_require_scratch_shutdown
>> +
>> +_scratch_mkfs >/dev/null 2>&1
>> +_require_metadata_journaling $SCRATCH_DEV
>> +
>> +testfile=$SCRATCH_MNT/testfile
>> +stat_opt='-c "uid: %u, gid: %g"'
>> +
>> +_do_check()
>
> Name local functions without the leading underscore, which usually
> indicates it's a global helper function.
Okay.
>
>> +{
>> + _scratch_mount
>> +
>> + touch $testfile
>> +
>> + if [ "$1" == "sync" ]; then
>> + sync
>> + fi
>> +
>> + chown 100 $testfile
>> + chgrp 100 $testfile
>> +
>> + before=`stat "$stat_opt" $testfile`
>> +
>> + $XFS_IO_PROG -f $testfile -c "fsync" | _filter_xfs_io
>> +
>> + _scratch_shutdown | tee -a $seqres.full
>> + _scratch_unmount
>> + _scratch_mount
>
> _scratch_cycle_mount
Yes, that's more clean, thanks. :)
Thanks,
>
> Thanks,
> Eryu
>
>> +
>> + after=`stat "$stat_opt" $testfile`
>> +
>> + # check inode's uid/gid
>> + if [ "$before" != "$after" ]; then
>> + echo "Before: $before"
>> + echo "After : $after"
>> + fi
>> + echo "Before: $before" >> $seqres.full
>> + echo "After : $after" >> $seqres.full
>> +
>> + rm $testfile
>> + _scratch_unmount
>> +}
>> +
>> +_do_check
>> +_do_check sync
>> +
>> +status=0
>> +echo "Silence is golden"
>> +exit
>> diff --git a/tests/generic/505.out b/tests/generic/505.out
>> new file mode 100644
>> index 000000000000..80e3bd1d9abb
>> --- /dev/null
>> +++ b/tests/generic/505.out
>> @@ -0,0 +1,2 @@
>> +QA output created by 505
>> +Silence is golden
>> diff --git a/tests/generic/group b/tests/generic/group
>> index 55155de8bc29..4da0e1888f57 100644
>> --- a/tests/generic/group
>> +++ b/tests/generic/group
>> @@ -507,3 +507,4 @@
>> 502 auto quick log
>> 503 auto quick dax punch collapse zero
>> 504 auto quick locks
>> +505 shutdown auto quick metadata
>> --
>> 2.18.0.rc1
>>
>
> .
>
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