ab53c44718
Test zero write in byte range 512~1024 for 4k alignment. Signed-off-by: Fam Zheng <famz@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Kevin Wolf <kwolf@redhat.com> Message-id: 1431522721-3266-4-git-send-email-famz@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
100 lines
2.6 KiB
Bash
Executable File
100 lines
2.6 KiB
Bash
Executable File
#!/bin/bash
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#
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# Test aligned and misaligned write zeroes operations.
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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=pbonzini@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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_make_test_img $size
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do_test()
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{
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local align=$1
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local iocmd=$2
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local img=$3
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{
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echo "open -o driver=$IMGFMT,file.align=$align blkdebug::$img"
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echo $iocmd
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} | $QEMU_IO
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}
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for align in 512 4k; do
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echo
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echo "== preparing image =="
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do_test $align "write -P 0xa 0x200 0x400" "$TEST_IMG" | _filter_qemu_io
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do_test $align "write -P 0xa 0x20000 0x600" "$TEST_IMG" | _filter_qemu_io
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do_test $align "write -z 0x400 0x20000" "$TEST_IMG" | _filter_qemu_io
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echo
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echo "== verifying patterns (1) =="
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do_test $align "read -P 0xa 0x200 0x200" "$TEST_IMG" | _filter_qemu_io
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do_test $align "read -P 0x0 0x400 0x20000" "$TEST_IMG" | _filter_qemu_io
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do_test $align "read -P 0xa 0x20400 0x200" "$TEST_IMG" | _filter_qemu_io
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echo
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echo "== rewriting zeroes =="
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do_test $align "write -P 0xb 0x10000 0x10000" "$TEST_IMG" | _filter_qemu_io
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do_test $align "write -z 0x10000 0x10000" "$TEST_IMG" | _filter_qemu_io
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echo
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echo "== verifying patterns (2) =="
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do_test $align "read -P 0x0 0x400 0x20000" "$TEST_IMG" | _filter_qemu_io
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echo
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echo "== rewriting unaligned zeroes =="
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do_test $align "write -P 0xb 0x0 0x1000" "$TEST_IMG" | _filter_qemu_io
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do_test $align "write -z 0x200 0x200" "$TEST_IMG" | _filter_qemu_io
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echo
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echo "== verifying patterns (3) =="
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do_test $align "read -P 0xb 0x0 0x200" "$TEST_IMG" | _filter_qemu_io
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do_test $align "read -P 0x0 0x200 0x200" "$TEST_IMG" | _filter_qemu_io
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do_test $align "read -P 0xb 0x400 0xc00" "$TEST_IMG" | _filter_qemu_io
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echo
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done
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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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