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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>
76 lines
2.5 KiB
Bash
Executable File
76 lines
2.5 KiB
Bash
Executable File
#!/usr/bin/env bash
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# group: rw quick
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#
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# Test the handling of errors in write requests with multiple allocations
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#
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# Copyright (C) 2020 Igalia, S.L.
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# Author: Alberto Garcia <berto@igalia.com>
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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=berto@igalia.com
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seq=`basename $0`
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echo "QA output created by $seq"
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status=1 # failure is the default!
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_cleanup()
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{
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_cleanup_test_img
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}
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trap "_cleanup; exit \$status" 0 1 2 3 15
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# get standard environment, filters and checks
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. ./common.rc
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. ./common.filter
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_supported_fmt qcow2
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_supported_proto file fuse
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_supported_os Linux
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_unsupported_imgopts cluster_size refcount_bits extended_l2 compat=0.10 data_file
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echo '### Create the image'
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_make_test_img -o refcount_bits=64,cluster_size=1k 1M
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# The reference counts of the clusters for the first 123k of this
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# write request are stored in the first refcount block. The last
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# cluster (guest offset 123k) is referenced in the second refcount
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# block.
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echo '### Fill the first refcount block and one data cluster from the second'
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$QEMU_IO -c 'write 0 124k' "$TEST_IMG" | _filter_qemu_io
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echo '### Discard two of the last data clusters, leave one in the middle'
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$QEMU_IO -c 'discard 121k 1k' "$TEST_IMG" | _filter_qemu_io
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$QEMU_IO -c 'discard 123k 1k' "$TEST_IMG" | _filter_qemu_io
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echo '### Corrupt the offset of the second refcount block'
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refcount_table_offset=$(peek_file_be "$TEST_IMG" 48 8)
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poke_file "$TEST_IMG" $(($refcount_table_offset+14)) "\x06"
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# This tries to allocate the two clusters discarded earlier (guest
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# offsets 121k and 123k). Their reference counts are in the first and
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# second refcount blocks respectively, but only the first one can be
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# allocated correctly because the second entry of the refcount table
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# is corrupted.
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echo '### Try to allocate the discarded clusters again'
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$QEMU_IO -c 'write 121k 3k' "$TEST_IMG" | _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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