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https://github.com/linux-apfs/apfstests.git
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Darrick J. Wong
f2d7e7573b
Add three tests to look for quota bugs in xfs reflink. The first test looks for problems when we have speculative cow reservations in memory, we chown the file, but the reservations don't move to the new owner. The second test checks that we remembered to dqattach the inodes before performing reflink operations. The third is a stress test for reflink quota handling near enospc and helped us to find a directio cow write corruption bug when free space is fragmented. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Eryu Guan <eguan@redhat.com> Signed-off-by: Eryu Guan <eguan@redhat.com>
94 lines
2.7 KiB
Bash
Executable File
94 lines
2.7 KiB
Bash
Executable File
#! /bin/bash
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# FS QA Test No. 440
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#
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# Regression test for a quota accounting bug when changing the owner of
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# a file that has CoW reservations and no dirty pages. The reservations
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# should shift over to the new owner, but they do not.
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#
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#-----------------------------------------------------------------------
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# Copyright (c) 2018 Oracle, Inc. All Rights Reserved.
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License as
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# published by the Free Software Foundation.
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#
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# This program is distributed in the hope that it would be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write the Free Software Foundation,
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# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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#-----------------------------------------------------------------------
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#
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seq=`basename $0`
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seqres=$RESULT_DIR/$seq
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echo "QA output created by $seq"
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here=`pwd`
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tmp=/tmp/$$
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status=1 # failure is the default!
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trap "_cleanup; exit \$status" 0 1 2 3 15
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_cleanup()
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{
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cd /
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rm -f $tmp.*
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}
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# get standard environment, filters and checks
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. ./common/rc
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. ./common/reflink
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. ./common/quota
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. ./common/filter
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# Modify as appropriate.
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_supported_fs xfs
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_supported_os Linux
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_require_quota
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_require_scratch_reflink
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_require_cp_reflink
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_require_user
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rm -f $seqres.full
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echo "Format and mount"
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_scratch_mkfs > "$seqres.full" 2>&1
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_scratch_mount "-o usrquota,grpquota" >> "$seqres.full" 2>&1
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echo "Create files"
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$XFS_IO_PROG -c "cowextsize 1m" $SCRATCH_MNT
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touch $SCRATCH_MNT/a $SCRATCH_MNT/force_fsgqa
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chown $qa_user $SCRATCH_MNT/a $SCRATCH_MNT/force_fsgqa
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_pwrite_byte 0x58 0 64k $SCRATCH_MNT/a >> $seqres.full
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$XFS_IO_PROG -c 'stat -r' $SCRATCH_MNT/a | grep stat.size >> $seqres.full
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_report_quota_blocks "-u $SCRATCH_MNT"
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echo "Reflink and CoW"
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_cp_reflink $SCRATCH_MNT/a $SCRATCH_MNT/b
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_pwrite_byte 0x59 0 64k $SCRATCH_MNT/a >> $seqres.full
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$XFS_IO_PROG -c 'stat -r' $SCRATCH_MNT/a | grep stat.size >> $seqres.full
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_report_quota_blocks "-u $SCRATCH_MNT"
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echo "Sync"
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sync
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_report_quota_blocks "-u $SCRATCH_MNT"
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echo "Chown and check quota"
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chown root $SCRATCH_MNT/a
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$XFS_IO_PROG -c 'stat -r' $SCRATCH_MNT/a | grep stat.size >> $seqres.full
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_report_quota_blocks "-u $SCRATCH_MNT"
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echo "Remount"
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_scratch_unmount
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_scratch_mount "-o usrquota,grpquota" >> "$seqres.full" 2>&1
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$XFS_IO_PROG -c 'stat -r' $SCRATCH_MNT/a | grep stat.size >> $seqres.full
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_report_quota_blocks "-u $SCRATCH_MNT"
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# success, all done
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status=0
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exit
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