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apfstests/tests/generic/164
T
Darrick J. Wong 0a2b768cb7 reflink: remove redundant filesystem checks from the end of the tests
Turns out that check already runs _check_filesystems after each test,
so we don't need to do this at the end of each test.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
2016-02-12 09:39:04 -08:00

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#! /bin/bash
# FS QA Test No. 164
#
# Test for races or FS corruption between reflink and buffered I/O reading the
# target file.
#
#-----------------------------------------------------------------------
# Copyright (c) 2015 Oracle, Inc. All Rights Reserved.
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License as
# published by the Free Software Foundation.
#
# This program is distributed in the hope that it would be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write the Free Software Foundation,
# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
#-----------------------------------------------------------------------
#
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 7 15
_cleanup()
{
cd /
rm -rf "$tmp".*
wait
}
# get standard environment, filters and checks
. ./common/rc
. ./common/filter
. ./common/reflink
# real QA test starts here
_supported_os Linux
_require_scratch_reflink
_require_cp_reflink
echo "Format and mount"
_scratch_mkfs > "$seqres.full" 2>&1
_scratch_mount >> "$seqres.full" 2>&1
testdir="$SCRATCH_MNT/test-$seq"
rm -rf "$testdir"
mkdir "$testdir"
loops=512
nr_loops=$((loops - 1))
blksz=65536
echo "Initialize files"
echo > "$seqres.full"
_pwrite_byte 0x61 0 $((loops * blksz)) "$testdir/file1" >> "$seqres.full"
_pwrite_byte 0x62 0 $((loops * blksz)) "$testdir/file2" >> "$seqres.full"
_cp_reflink "$testdir/file1" "$testdir/file3"
_scratch_remount
fbytes() {
egrep -v '(61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61|62 62 62 62 62 62 62 62 62 62 62 62 62 62 62 62)'
}
reader() {
while [ ! -e "$testdir/finished" ]; do
_read_range "$testdir/file3" 0 $((loops * blksz)) | fbytes
done
}
echo "Reflink and reread the files!"
reader &
for i in `seq 1 2`; do
seq $nr_loops -1 0 | while read i; do
_reflink_range "$testdir/file1" $((i * blksz)) \
"$testdir/file3" $((i * blksz)) $blksz >> "$seqres.full"
[ $? -ne 0 ] && break
done
seq $nr_loops -1 0 | while read i; do
_reflink_range "$testdir/file2" $((i * blksz)) \
"$testdir/file3" $((i * blksz)) $blksz >> "$seqres.full"
[ $? -ne 0 ] && break
done
done
echo "Finished reflinking"
touch "$testdir/finished"
wait
echo "Check fs"
umount "$SCRATCH_MNT"
echo "Done"
# success, all done
status=0
exit