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Wang Shilong
8564bb8d8b
Btrfs would fail to send if snapshot run concurrently, this test is to make sure we have fixed the bug. Signed-off-by: Wang Shilong <wangsl.fnst@cn.fujitsu.com> Reviewed-by: Josef Bacik <jbacik@fb.com> Signed-off-by: Dave Chinner <david@fromorbit.com>
86 lines
2.1 KiB
Bash
Executable File
86 lines
2.1 KiB
Bash
Executable File
#!/bin/bash
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# FS QA Test No. btrfs/036
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#
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# Regression test for running snapshots and send concurrently.
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#
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#-----------------------------------------------------------------------
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# Copyright (c) 2014 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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#
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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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snapshots_pid=0
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_cleanup()
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{
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# kill backgroud snapshots
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if [ $snapshots_pid -ne 0 ] && ps -p $snapshots_pid | grep -q $snapshots_pid; then
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kill -TERM $snapshots_pid 2> /dev/null
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fi
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rm -f $tmp.*
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}
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do_snapshots()
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{
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i=2
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while [ 1 ]
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do
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$BTRFS_UTIL_PROG subvolume snapshot -r $SCRATCH_MNT/snap_1 \
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$SCRATCH_MNT/snap_$i >> $seqres.full 2>&1
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let i=$i+1
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sleep 1
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done
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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_fs btrfs
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_supported_os Linux
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_require_scratch
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_scratch_mkfs > /dev/null 2>&1
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_scratch_mount
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touch $SCRATCH_MNT/foo
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# get file with fragments by using backwards writes.
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for i in `seq 10240 -1 1`; do
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$XFS_IO_PROG -f -d -c "pwrite $(($i * 4096)) 4096" \
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$SCRATCH_MNT/foo > /dev/null | _filter_xfs_io
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done
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$BTRFS_UTIL_PROG subvolume snapshot -r $SCRATCH_MNT \
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$SCRATCH_MNT/snap_1 >> $seqres.full 2>&1
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do_snapshots &
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snapshots_pid=$!
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$BTRFS_UTIL_PROG send $SCRATCH_MNT/snap_1 -f /dev/null 2>&1 | _filter_scratch
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status=0 ; exit
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