qemu-iotests: Test backing file COW with zero clusters

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Kevin Wolf 2012-04-12 15:28:12 +02:00
parent ee3a315edf
commit ab3a32ad5e
3 changed files with 195 additions and 0 deletions

113
tests/qemu-iotests/034 Executable file
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#!/bin/bash
#
# Test bdrv_write_zeroes with backing files
#
# Copyright (C) 2012 Red Hat, Inc.
#
# 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; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will 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, see <http://www.gnu.org/licenses/>.
#
# creator
owner=kwolf@redhat.com
seq=`basename $0`
echo "QA output created by $seq"
here=`pwd`
tmp=/tmp/$$
status=1 # failure is the default!
_cleanup()
{
_cleanup_test_img
}
trap "_cleanup; exit \$status" 0 1 2 3 15
# get standard environment, filters and checks
. ./common.rc
. ./common.filter
_supported_fmt qcow qcow2 vmdk qed
_supported_proto generic
_supported_os Linux
CLUSTER_SIZE=4k
size=128M
echo
echo "== creating backing file for COW tests =="
_make_test_img $size
$QEMU_IO -c "write -P 0x55 0 1M" $TEST_IMG | _filter_qemu_io
mv $TEST_IMG $TEST_IMG.base
_make_test_img -b $TEST_IMG.base 6G
echo
echo "== zero write with backing file =="
$QEMU_IO -c "write -z 64k 192k" $TEST_IMG | _filter_qemu_io
$QEMU_IO -c "write -z 513k 13k" $TEST_IMG | _filter_qemu_io
_check_test_img
echo
echo "== verifying patterns (3) =="
$QEMU_IO -c "read -P 0x55 0 64k" $TEST_IMG | _filter_qemu_io
$QEMU_IO -c "read -P 0x0 64k 192k" $TEST_IMG | _filter_qemu_io
$QEMU_IO -c "read -P 0x55 256k 257k" $TEST_IMG | _filter_qemu_io
$QEMU_IO -c "read -P 0x0 513k 13k" $TEST_IMG | _filter_qemu_io
$QEMU_IO -c "read -P 0x55 526k 498k" $TEST_IMG | _filter_qemu_io
echo
echo "== overwriting zero cluster =="
$QEMU_IO -c "write -P 0xa 60k 8k" $TEST_IMG | _filter_qemu_io
$QEMU_IO -c "write -P 0xb 64k 8k" $TEST_IMG | _filter_qemu_io
$QEMU_IO -c "write -P 0xc 76k 4k" $TEST_IMG | _filter_qemu_io
$QEMU_IO -c "write -P 0xd 252k 8k" $TEST_IMG | _filter_qemu_io
$QEMU_IO -c "write -P 0xe 248k 8k" $TEST_IMG | _filter_qemu_io
_check_test_img
echo
echo "== verifying patterns (4) =="
$QEMU_IO -c "read -P 0x55 0 60k" $TEST_IMG | _filter_qemu_io
$QEMU_IO -c "read -P 0xa 60k 4k" $TEST_IMG | _filter_qemu_io
$QEMU_IO -c "read -P 0xb 64k 8k" $TEST_IMG | _filter_qemu_io
$QEMU_IO -c "read -P 0x0 72k 4k" $TEST_IMG | _filter_qemu_io
$QEMU_IO -c "read -P 0xc 76k 4k" $TEST_IMG | _filter_qemu_io
$QEMU_IO -c "read -P 0x0 80k 168k" $TEST_IMG | _filter_qemu_io
$QEMU_IO -c "read -P 0xe 248k 8k" $TEST_IMG | _filter_qemu_io
$QEMU_IO -c "read -P 0xd 256k 4k" $TEST_IMG | _filter_qemu_io
$QEMU_IO -c "read -P 0x55 260k 64k" $TEST_IMG | _filter_qemu_io
echo
echo "== re-zeroing overwritten area =="
$QEMU_IO -c "write -z 64k 192k" $TEST_IMG | _filter_qemu_io
_check_test_img
echo
echo "== verifying patterns (5) =="
$QEMU_IO -c "read -P 0x55 0 60k" $TEST_IMG | _filter_qemu_io
$QEMU_IO -c "read -P 0xa 60k 4k" $TEST_IMG | _filter_qemu_io
$QEMU_IO -c "read -P 0x0 64k 192k" $TEST_IMG | _filter_qemu_io
$QEMU_IO -c "read -P 0xd 256k 4k" $TEST_IMG | _filter_qemu_io
$QEMU_IO -c "read -P 0x55 260k 253k" $TEST_IMG | _filter_qemu_io
$QEMU_IO -c "read -P 0x0 513k 13k" $TEST_IMG | _filter_qemu_io
$QEMU_IO -c "read -P 0x55 526k 498k" $TEST_IMG | _filter_qemu_io
# success, all done
echo "*** done"
rm -f $seq.full
status=0

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QA output created by 034
== creating backing file for COW tests ==
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=134217728
wrote 1048576/1048576 bytes at offset 0
1 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=6442450944 backing_file='TEST_DIR/t.IMGFMT.base'
== zero write with backing file ==
wrote 196608/196608 bytes at offset 65536
192 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
wrote 13312/13312 bytes at offset 525312
13 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
No errors were found on the image.
== verifying patterns (3) ==
read 65536/65536 bytes at offset 0
64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 196608/196608 bytes at offset 65536
192 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 263168/263168 bytes at offset 262144
257 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 13312/13312 bytes at offset 525312
13 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 509952/509952 bytes at offset 538624
498 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
== overwriting zero cluster ==
wrote 8192/8192 bytes at offset 61440
8 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
wrote 8192/8192 bytes at offset 65536
8 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
wrote 4096/4096 bytes at offset 77824
4 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
wrote 8192/8192 bytes at offset 258048
8 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
wrote 8192/8192 bytes at offset 253952
8 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
No errors were found on the image.
== verifying patterns (4) ==
read 61440/61440 bytes at offset 0
60 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 4096/4096 bytes at offset 61440
4 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 8192/8192 bytes at offset 65536
8 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 4096/4096 bytes at offset 73728
4 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 4096/4096 bytes at offset 77824
4 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 172032/172032 bytes at offset 81920
168 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 8192/8192 bytes at offset 253952
8 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 4096/4096 bytes at offset 262144
4 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 65536/65536 bytes at offset 266240
64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
== re-zeroing overwritten area ==
wrote 196608/196608 bytes at offset 65536
192 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
No errors were found on the image.
== verifying patterns (5) ==
read 61440/61440 bytes at offset 0
60 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 4096/4096 bytes at offset 61440
4 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 196608/196608 bytes at offset 65536
192 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 4096/4096 bytes at offset 262144
4 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 259072/259072 bytes at offset 266240
253 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 13312/13312 bytes at offset 525312
13 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 509952/509952 bytes at offset 538624
498 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
*** done

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031 rw auto quick
032 rw auto
033 rw auto
034 rw auto backing