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Xiaoguang Wang
cbc98cdd80
This case tests truncate/collapse range race. If the race occurs, it
will trigger a BUG_ON(). And this kernel patch has fixed this race:
23fffa9 fs: move falloc collapse range check into the filesystem methods
Signed-off-by: Xiaoguang Wang <wangxg.fnst@cn.fujitsu.com>
Signed-off-by: Xing Gu <gux.fnst@cn.fujitsu.com>
Reviewed-by: Lukas Czerner <lczerner@redhat.com>
Reviewed-by: Eryu Guan <eguan@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>
71 lines
2.0 KiB
Bash
Executable File
71 lines
2.0 KiB
Bash
Executable File
#! /bin/bash
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# FS QA Test No. 072
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#
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# Test truncate/collapse range race.
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# And this test is also a regression test for kernel commit 23fffa9,
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# fs: move falloc collapse range check into the filesystem methods
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# If the race occurs, it will trigger a BUG_ON().
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#
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#-----------------------------------------------------------------------
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# Copyright (c) 2015 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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_cleanup()
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{
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rm -f $tmp.*
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}
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trap "_cleanup; exit \$status" 0 1 2 3 15
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# get standard environment, filters and checks
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. ./common/rc
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. ./common/filter
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# real QA test starts here
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_supported_os Linux
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_supported_fs generic
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_require_test
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_require_xfs_io_command "fcollapse"
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testfile=$TEST_DIR/testfile.$seq
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NCPUS=`$here/src/feature -o`
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OUTER_LOOPS=$((10 * $NCPUS * $LOAD_FACTOR))
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INNER_LOOPS=$((50 * $NCPUS * $LOAD_FACTOR))
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# fcollapse/truncate continuously and simultaneously a same file
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for ((i=1; i <= OUTER_LOOPS; i++)); do
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for ((i=1; i <= INNER_LOOPS; i++)); do
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$XFS_IO_PROG -f -c 'truncate 100k' \
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-c 'fcollapse 0 16k' $testfile > /dev/null 2>&1
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done &
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for ((i=1; i <= INNER_LOOPS; i++)); do
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$XFS_IO_PROG -f -c 'truncate 0' $testfile > /dev/null 2>&1
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done &
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done
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wait
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echo "Silence is golden"
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status=0
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exit
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