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Philippe Mathieu-Daudé11a82d12019-03-07 15:58:38 +01001#!/usr/bin/env bash
Stefan Hajnoczif95e26d2013-03-18 17:58:54 +01002#
Eric Blakef4649062020-04-28 16:38:07 -05003# Test bdrv_pread/bdrv_pwrite using BDRV_O_SNAPSHOT
Stefan Hajnoczif95e26d2013-03-18 17:58:54 +01004#
5# Copyright (C) 2013 Red Hat, Inc.
6#
7# This program is free software; you can redistribute it and/or modify
8# it under the terms of the GNU General Public License as published by
9# the Free Software Foundation; either version 2 of the License, or
10# (at your option) any later version.
11#
12# This program is distributed in the hope that it will be useful,
13# but WITHOUT ANY WARRANTY; without even the implied warranty of
14# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15# GNU General Public License for more details.
16#
17# You should have received a copy of the GNU General Public License
18# along with this program. If not, see <http://www.gnu.org/licenses/>.
19#
20
21# creator
22owner=stefanha@redhat.com
23
24seq=`basename $0`
25echo "QA output created by $seq"
26
Stefan Hajnoczif95e26d2013-03-18 17:58:54 +010027status=1 # failure is the default!
28
29_cleanup()
30{
31 _cleanup_test_img
32}
33trap "_cleanup; exit \$status" 0 1 2 3 15
34
35# get standard environment, filters and checks
36. ./common.rc
37. ./common.filter
38
39_supported_fmt generic
Peter Lieven1f7bf7d2014-02-03 10:26:14 +010040_supported_proto file
Kevin Wolfcf77b2d2014-09-30 13:27:10 +020041
42# Don't do O_DIRECT on tmpfs
Nir Soffer755c5fe2019-08-27 20:34:32 +030043_supported_cache_modes writeback writethrough unsafe
Stefan Hajnoczif95e26d2013-03-18 17:58:54 +010044
45size=128M
46_make_test_img $size
47
48echo
Daniel P. Berrange4e9b25f2016-05-10 17:11:29 +010049echo "== initializing whole image =="
50$QEMU_IO -c "write -z 0 $size" "$TEST_IMG" | _filter_qemu_io
51
52echo
Stefan Hajnoczif95e26d2013-03-18 17:58:54 +010053echo "== reading whole image =="
Jeff Codyfef9c192013-09-25 08:12:22 -040054$QEMU_IO -s -c "read 0 $size" "$TEST_IMG" | _filter_qemu_io
Stefan Hajnoczif95e26d2013-03-18 17:58:54 +010055
56echo
57echo "== writing whole image does not modify image =="
Jeff Codyfef9c192013-09-25 08:12:22 -040058$QEMU_IO -s -c "write -P 0xa 0 $size" "$TEST_IMG" | _filter_qemu_io
59$QEMU_IO -c "read -P 0 0 $size" "$TEST_IMG" | _filter_qemu_io
Stefan Hajnoczif95e26d2013-03-18 17:58:54 +010060
61# success, all done
62echo "*** done"
63rm -f $seq.full
64status=0