2019-03-07 15:58:38 +01:00
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#!/usr/bin/env bash
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2013-03-18 17:58:54 +01:00
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#
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# Test bdrv_read/bdrv_write using BDRV_O_SNAPSHOT
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#
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# Copyright (C) 2013 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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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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2014-02-03 10:26:14 +01:00
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_supported_proto file
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2014-09-30 13:27:10 +02:00
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# Don't do O_DIRECT on tmpfs
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_supported_cache_modes "writeback" "writethrough" "unsafe"
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2013-03-18 17:58:54 +01:00
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size=128M
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_make_test_img $size
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2016-05-10 18:11:29 +02:00
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echo
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echo "== initializing whole image =="
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$QEMU_IO -c "write -z 0 $size" "$TEST_IMG" | _filter_qemu_io
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2013-03-18 17:58:54 +01:00
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echo
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echo "== reading whole image =="
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2013-09-25 14:12:22 +02:00
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$QEMU_IO -s -c "read 0 $size" "$TEST_IMG" | _filter_qemu_io
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2013-03-18 17:58:54 +01:00
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echo
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echo "== writing whole image does not modify image =="
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2013-09-25 14:12:22 +02:00
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$QEMU_IO -s -c "write -P 0xa 0 $size" "$TEST_IMG" | _filter_qemu_io
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$QEMU_IO -c "read -P 0 0 $size" "$TEST_IMG" | _filter_qemu_io
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2013-03-18 17:58:54 +01:00
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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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