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12ade76090
This test case covers the basic bdrv_aio_multiwrite() scenarios: 1. Single request 2. Sequential requests (AABB) 3. Superset overlapping requests (AABBAA) 4. Subset overlapping requests (BBAABB) 5. Head overlapping requests (AABB) 6. Tail overlapping requests (BBAA) 7. Disjoint requests (AA BB) Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Benoit Canet <benoit@irqsave.net>
135 lines
4.0 KiB
Bash
Executable File
135 lines
4.0 KiB
Bash
Executable File
#!/bin/bash
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#
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# Test simple read/write using plain bdrv_read/bdrv_write
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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=stefanha@redhat.com
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seq=`basename $0`
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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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_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 generic
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_supported_proto generic
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_supported_os Linux
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size=128M
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echo
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echo "== Single request =="
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_make_test_img $size
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$QEMU_IO -c "multiwrite 0 4k" "$TEST_IMG" | _filter_qemu_io
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echo
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echo "== verify pattern =="
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$QEMU_IO -c "read -P 0xcd 0 4k" "$TEST_IMG" | _filter_qemu_io
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$QEMU_IO -c "read -P 0 4k 4k" "$TEST_IMG" | _filter_qemu_io
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echo
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echo "== Sequential requests =="
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_make_test_img $size
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$QEMU_IO -c "multiwrite 0 4k ; 4k 4k" "$TEST_IMG" | _filter_qemu_io
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echo
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echo "== verify pattern =="
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$QEMU_IO -c "read -P 0xcd 0 4k" "$TEST_IMG" | _filter_qemu_io
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$QEMU_IO -c "read -P 0xce 4k 4k" "$TEST_IMG" | _filter_qemu_io
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$QEMU_IO -c "read -P 0 8k 4k" "$TEST_IMG" | _filter_qemu_io
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echo
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echo "== Superset overlapping requests =="
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_make_test_img $size
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$QEMU_IO -c "multiwrite 0 4k ; 1k 2k" "$TEST_IMG" | _filter_qemu_io
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echo
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echo "== verify pattern =="
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# Order of overlapping in-flight requests is not guaranteed so we cannot verify
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# [1k, 3k) since it could have either pattern 0xcd or 0xce.
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$QEMU_IO -c "read -P 0xcd 0 1k" "$TEST_IMG" | _filter_qemu_io
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$QEMU_IO -c "read -P 0xcd 3k 1k" "$TEST_IMG" | _filter_qemu_io
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$QEMU_IO -c "read -P 0 4k 4k" "$TEST_IMG" | _filter_qemu_io
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echo
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echo "== Subset overlapping requests =="
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_make_test_img $size
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$QEMU_IO -c "multiwrite 1k 2k ; 0k 4k" "$TEST_IMG" | _filter_qemu_io
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echo
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echo "== verify pattern =="
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# Order of overlapping in-flight requests is not guaranteed so we cannot verify
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# [1k, 3k) since it could have either pattern 0xcd or 0xce.
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$QEMU_IO -c "read -P 0xce 0 1k" "$TEST_IMG" | _filter_qemu_io
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$QEMU_IO -c "read -P 0xce 3k 1k" "$TEST_IMG" | _filter_qemu_io
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$QEMU_IO -c "read -P 0 4k 4k" "$TEST_IMG" | _filter_qemu_io
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echo
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echo "== Head overlapping requests =="
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_make_test_img $size
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$QEMU_IO -c "multiwrite 0k 2k ; 0k 4k" "$TEST_IMG" | _filter_qemu_io
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echo
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echo "== verify pattern =="
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# Order of overlapping in-flight requests is not guaranteed so we cannot verify
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# [0k, 2k) since it could have either pattern 0xcd or 0xce.
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$QEMU_IO -c "read -P 0xce 2k 2k" "$TEST_IMG" | _filter_qemu_io
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$QEMU_IO -c "read -P 0 4k 4k" "$TEST_IMG" | _filter_qemu_io
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echo
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echo "== Tail overlapping requests =="
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_make_test_img $size
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$QEMU_IO -c "multiwrite 2k 2k ; 0k 4k" "$TEST_IMG" | _filter_qemu_io
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echo
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echo "== verify pattern =="
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# Order of overlapping in-flight requests is not guaranteed so we cannot verify
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# [2k, 4k) since it could have either pattern 0xcd or 0xce.
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$QEMU_IO -c "read -P 0xce 0k 2k" "$TEST_IMG" | _filter_qemu_io
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$QEMU_IO -c "read -P 0 4k 4k" "$TEST_IMG" | _filter_qemu_io
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echo
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echo "== Disjoint requests =="
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_make_test_img $size
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$QEMU_IO -c "multiwrite 0 4k ; 64k 4k" "$TEST_IMG" | _filter_qemu_io
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echo
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echo "== verify pattern =="
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$QEMU_IO -c "read -P 0xcd 0 4k" "$TEST_IMG" | _filter_qemu_io
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$QEMU_IO -c "read -P 0 4k 60k" "$TEST_IMG" | _filter_qemu_io
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$QEMU_IO -c "read -P 0xce 64k 4k" "$TEST_IMG" | _filter_qemu_io
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$QEMU_IO -c "read -P 0 68k 4k" "$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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