qemu-iotests: Test backing file COW with zero clusters
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Kevin Wolf
parent
ee3a315edf
commit
ab3a32ad5e
113
tests/qemu-iotests/034
Executable file
113
tests/qemu-iotests/034
Executable file
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#!/bin/bash
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#
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# Test bdrv_write_zeroes with backing files
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#
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# Copyright (C) 2012 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=kwolf@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 qcow qcow2 vmdk qed
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_supported_proto generic
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_supported_os Linux
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CLUSTER_SIZE=4k
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size=128M
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echo
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echo "== creating backing file for COW tests =="
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_make_test_img $size
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$QEMU_IO -c "write -P 0x55 0 1M" $TEST_IMG | _filter_qemu_io
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mv $TEST_IMG $TEST_IMG.base
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_make_test_img -b $TEST_IMG.base 6G
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echo
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echo "== zero write with backing file =="
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$QEMU_IO -c "write -z 64k 192k" $TEST_IMG | _filter_qemu_io
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$QEMU_IO -c "write -z 513k 13k" $TEST_IMG | _filter_qemu_io
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_check_test_img
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echo
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echo "== verifying patterns (3) =="
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$QEMU_IO -c "read -P 0x55 0 64k" $TEST_IMG | _filter_qemu_io
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$QEMU_IO -c "read -P 0x0 64k 192k" $TEST_IMG | _filter_qemu_io
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$QEMU_IO -c "read -P 0x55 256k 257k" $TEST_IMG | _filter_qemu_io
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$QEMU_IO -c "read -P 0x0 513k 13k" $TEST_IMG | _filter_qemu_io
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$QEMU_IO -c "read -P 0x55 526k 498k" $TEST_IMG | _filter_qemu_io
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echo
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echo "== overwriting zero cluster =="
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$QEMU_IO -c "write -P 0xa 60k 8k" $TEST_IMG | _filter_qemu_io
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$QEMU_IO -c "write -P 0xb 64k 8k" $TEST_IMG | _filter_qemu_io
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$QEMU_IO -c "write -P 0xc 76k 4k" $TEST_IMG | _filter_qemu_io
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$QEMU_IO -c "write -P 0xd 252k 8k" $TEST_IMG | _filter_qemu_io
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$QEMU_IO -c "write -P 0xe 248k 8k" $TEST_IMG | _filter_qemu_io
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_check_test_img
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echo
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echo "== verifying patterns (4) =="
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$QEMU_IO -c "read -P 0x55 0 60k" $TEST_IMG | _filter_qemu_io
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$QEMU_IO -c "read -P 0xa 60k 4k" $TEST_IMG | _filter_qemu_io
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$QEMU_IO -c "read -P 0xb 64k 8k" $TEST_IMG | _filter_qemu_io
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$QEMU_IO -c "read -P 0x0 72k 4k" $TEST_IMG | _filter_qemu_io
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$QEMU_IO -c "read -P 0xc 76k 4k" $TEST_IMG | _filter_qemu_io
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$QEMU_IO -c "read -P 0x0 80k 168k" $TEST_IMG | _filter_qemu_io
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$QEMU_IO -c "read -P 0xe 248k 8k" $TEST_IMG | _filter_qemu_io
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$QEMU_IO -c "read -P 0xd 256k 4k" $TEST_IMG | _filter_qemu_io
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$QEMU_IO -c "read -P 0x55 260k 64k" $TEST_IMG | _filter_qemu_io
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echo
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echo "== re-zeroing overwritten area =="
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$QEMU_IO -c "write -z 64k 192k" $TEST_IMG | _filter_qemu_io
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_check_test_img
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echo
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echo "== verifying patterns (5) =="
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$QEMU_IO -c "read -P 0x55 0 60k" $TEST_IMG | _filter_qemu_io
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$QEMU_IO -c "read -P 0xa 60k 4k" $TEST_IMG | _filter_qemu_io
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$QEMU_IO -c "read -P 0x0 64k 192k" $TEST_IMG | _filter_qemu_io
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$QEMU_IO -c "read -P 0xd 256k 4k" $TEST_IMG | _filter_qemu_io
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$QEMU_IO -c "read -P 0x55 260k 253k" $TEST_IMG | _filter_qemu_io
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$QEMU_IO -c "read -P 0x0 513k 13k" $TEST_IMG | _filter_qemu_io
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$QEMU_IO -c "read -P 0x55 526k 498k" $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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81
tests/qemu-iotests/034.out
Normal file
81
tests/qemu-iotests/034.out
Normal file
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QA output created by 034
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== creating backing file for COW tests ==
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Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=134217728
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wrote 1048576/1048576 bytes at offset 0
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1 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=6442450944 backing_file='TEST_DIR/t.IMGFMT.base'
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== zero write with backing file ==
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wrote 196608/196608 bytes at offset 65536
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192 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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wrote 13312/13312 bytes at offset 525312
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13 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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No errors were found on the image.
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== verifying patterns (3) ==
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read 65536/65536 bytes at offset 0
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64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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read 196608/196608 bytes at offset 65536
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192 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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read 263168/263168 bytes at offset 262144
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257 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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read 13312/13312 bytes at offset 525312
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13 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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read 509952/509952 bytes at offset 538624
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498 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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== overwriting zero cluster ==
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wrote 8192/8192 bytes at offset 61440
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8 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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wrote 8192/8192 bytes at offset 65536
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8 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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wrote 4096/4096 bytes at offset 77824
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4 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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wrote 8192/8192 bytes at offset 258048
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8 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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wrote 8192/8192 bytes at offset 253952
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8 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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No errors were found on the image.
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== verifying patterns (4) ==
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read 61440/61440 bytes at offset 0
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60 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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read 4096/4096 bytes at offset 61440
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4 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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read 8192/8192 bytes at offset 65536
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8 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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read 4096/4096 bytes at offset 73728
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4 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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read 4096/4096 bytes at offset 77824
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4 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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read 172032/172032 bytes at offset 81920
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168 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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read 8192/8192 bytes at offset 253952
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8 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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read 4096/4096 bytes at offset 262144
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4 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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read 65536/65536 bytes at offset 266240
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64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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== re-zeroing overwritten area ==
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wrote 196608/196608 bytes at offset 65536
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192 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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No errors were found on the image.
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== verifying patterns (5) ==
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read 61440/61440 bytes at offset 0
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60 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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read 4096/4096 bytes at offset 61440
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4 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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read 196608/196608 bytes at offset 65536
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192 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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read 4096/4096 bytes at offset 262144
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4 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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read 259072/259072 bytes at offset 266240
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253 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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read 13312/13312 bytes at offset 525312
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13 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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read 509952/509952 bytes at offset 538624
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498 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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*** done
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@ -40,3 +40,4 @@
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031 rw auto quick
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031 rw auto quick
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032 rw auto
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032 rw auto
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033 rw auto
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033 rw auto
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034 rw auto backing
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