mirror of
https://github.com/linux-apfs/apfstests.git
synced 2026-05-01 15:01:44 -07:00
Lu Fengqi
c8868d94e9
Test if qgroup can handle extent de-reference during reallocation. "extent de-reference" means that reducing an extent's reference count or freeing an extent. Although current qgroup can handle it, we still need to prevent any regression which may break current qgroup. Signed-off-by: Lu Fengqi <lufq.fnst@cn.fujitsu.com> Reviewed-by: Eryu Guan <eguan@redhat.com> Signed-off-by: Eryu Guan <eguan@redhat.com>
96 lines
2.6 KiB
Bash
Executable File
96 lines
2.6 KiB
Bash
Executable File
#! /bin/bash
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# FS QA Test 028
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#
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# Test if qgroup can handle extent de-reference during reallocation.
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# "extent de-reference" means that reducing an extent's reference count
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# or freeing an extent.
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# Although current qgroup can handle it, we still need to prevent any
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# regression which may break current qgroup.
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#
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#-----------------------------------------------------------------------
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# Copyright (c) 2016 Fujitsu. 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/filter
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# remove previous $seqres.full before test
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rm -f $seqres.full
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# real QA test starts here
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_supported_fs btrfs
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_supported_os Linux
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_require_scratch
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_scratch_mkfs
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_scratch_mount
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_run_btrfs_util_prog quota enable $SCRATCH_MNT
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_run_btrfs_util_prog quota rescan -w $SCRATCH_MNT
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# Increase the probability of generating de-refer extent, and decrease
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# other.
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args=`_scale_fsstress_args -z \
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-f write=10 -f unlink=10 \
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-f creat=10 -f fsync=10 \
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-f fsync=10 -n 100000 -p 2 \
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-d $SCRATCH_MNT/stress_dir`
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echo "Run fsstress $args" >>$seqres.full
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$FSSTRESS_PROG $args >/dev/null 2>&1 &
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fsstress_pid=$!
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echo "Start balance" >>$seqres.full
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_btrfs_stress_balance -d $SCRATCH_MNT >/dev/null 2>&1 &
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balance_pid=$!
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# 30s is enough to trigger bug
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sleep $((30*$TIME_FACTOR))
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kill $fsstress_pid $balance_pid
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wait
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# kill _btrfs_stress_balance can't end balance, so call btrfs balance cancel
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# to cancel running or paused balance.
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$BTRFS_UTIL_PROG balance cancel $SCRATCH_MNT &> /dev/null
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_run_btrfs_util_prog filesystem sync $SCRATCH_MNT
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_scratch_unmount
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# generate a qgroup report and look for inconsistent groups
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$BTRFS_UTIL_PROG check --qgroup-report $SCRATCH_DEV 2>&1 | \
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grep -E "Counts for qgroup.*are different"
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echo "Silence is golden"
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status=0
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exit
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