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9dd003a998
We are going to drop group file. Define group in tests as a preparatory
step.
The patch is generated by
cd tests/qemu-iotests
grep '^[0-9]\{3\} ' group | while read line; do
file=$(awk '{print $1}' <<< "$line");
groups=$(sed -e 's/^... //' <<< "$line");
awk "NR==2{print \"# group: $groups\"}1" $file > tmp;
cat tmp > $file;
done
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20210116134424.82867-7-vsementsov@virtuozzo.com>
Signed-off-by: Eric Blake <eblake@redhat.com>
128 lines
4.2 KiB
Bash
Executable File
128 lines
4.2 KiB
Bash
Executable File
#!/usr/bin/env bash
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# group: rw auto quick
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#
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# Test case for qcow2 metadata cache size specification
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#
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# Copyright (C) 2014 Red Hat, Inc.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will 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, see <http://www.gnu.org/licenses/>.
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#
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# creator
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owner=mreitz@redhat.com
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seq=$(basename $0)
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echo "QA output created by $seq"
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status=1 # failure is the default!
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_cleanup()
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{
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_cleanup_test_img
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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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_supported_fmt qcow2
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_supported_proto file nfs fuse
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# Internal snapshots are (currently) impossible with refcount_bits=1,
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# and generally impossible with external data files
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_unsupported_imgopts 'refcount_bits=1[^0-9]' data_file
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IMG_SIZE=64K
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_make_test_img $IMG_SIZE
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$QEMU_IO -c 'write -P 42 0 64k' "$TEST_IMG" | _filter_qemu_io
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echo
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echo '=== Testing invalid option combinations ==='
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echo
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# all sizes set at the same time
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$QEMU_IO -c "open -o cache-size=1.25M,l2-cache-size=1M,refcount-cache-size=0.25M $TEST_IMG" \
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2>&1 | _filter_testdir | _filter_imgfmt
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# l2-cache-size may not exceed cache-size
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$QEMU_IO -c "open -o cache-size=1M,l2-cache-size=2M $TEST_IMG" 2>&1 \
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| _filter_testdir | _filter_imgfmt
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# refcount-cache-size may not exceed cache-size
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$QEMU_IO -c "open -o cache-size=1M,refcount-cache-size=2M $TEST_IMG" 2>&1 \
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| _filter_testdir | _filter_imgfmt
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# 0 should be a valid size (e.g. for enforcing the minimum), so this should not
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# work
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$QEMU_IO -c "open -o cache-size=0,l2-cache-size=0,refcount-cache-size=0 $TEST_IMG" \
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2>&1 | _filter_testdir | _filter_imgfmt
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# Invalid cache entry sizes
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$QEMU_IO -c "open -o l2-cache-entry-size=256 $TEST_IMG" \
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2>&1 | _filter_testdir | _filter_imgfmt
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$QEMU_IO -c "open -o l2-cache-entry-size=4242 $TEST_IMG" \
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2>&1 | _filter_testdir | _filter_imgfmt
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$QEMU_IO -c "open -o l2-cache-entry-size=128k $TEST_IMG" \
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2>&1 | _filter_testdir | _filter_imgfmt
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echo
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echo '=== Testing valid option combinations ==='
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echo
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# There should be a reasonable and working minimum
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$QEMU_IO -c "open -o cache-size=0 $TEST_IMG" -c 'read -P 42 0 64k' \
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| _filter_qemu_io
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$QEMU_IO -c "open -o l2-cache-size=0 $TEST_IMG" -c 'read -P 42 0 64k' \
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| _filter_qemu_io
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$QEMU_IO -c "open -o refcount-cache-size=0 $TEST_IMG" -c 'read -P 42 0 64k' \
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| _filter_qemu_io
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# Derive cache sizes from combined size (with a reasonable ratio, but we cannot
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# test that)
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$QEMU_IO -c "open -o cache-size=2M $TEST_IMG" -c 'read -P 42 0 64k' \
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| _filter_qemu_io
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# Fix one cache, derive the other
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$QEMU_IO -c "open -o cache-size=2M,l2-cache-size=1M $TEST_IMG" \
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-c 'read -P 42 0 64k' \
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| _filter_qemu_io
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$QEMU_IO -c "open -o cache-size=2M,refcount-cache-size=1M $TEST_IMG" \
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-c 'read -P 42 0 64k' \
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| _filter_qemu_io
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# Directly set both caches
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$QEMU_IO -c "open -o l2-cache-size=1M,refcount-cache-size=0.25M $TEST_IMG" \
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-c 'read -P 42 0 64k' \
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| _filter_qemu_io
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# Valid cache entry sizes
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$QEMU_IO -c "open -o l2-cache-entry-size=512 $TEST_IMG" \
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2>&1 | _filter_testdir | _filter_imgfmt
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$QEMU_IO -c "open -o l2-cache-entry-size=16k $TEST_IMG" \
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2>&1 | _filter_testdir | _filter_imgfmt
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$QEMU_IO -c "open -o l2-cache-entry-size=64k $TEST_IMG" \
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2>&1 | _filter_testdir | _filter_imgfmt
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echo
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echo '=== Testing minimal L2 cache and COW ==='
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echo
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$QEMU_IMG snapshot -c foo "$TEST_IMG"
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# This requires a COW operation, which accesses two L2 tables simultaneously
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# (COW source and destination), so there must be enough space in the cache to
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# place both tables there (and qemu should not crash)
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$QEMU_IO -c "open -o cache-size=0 $TEST_IMG" -c 'write 0 64k' | _filter_qemu_io
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# success, all done
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echo '*** done'
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rm -f $seq.full
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status=0
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