xref: /openbmc/qemu/tests/qemu-iotests/187 (revision 812b31d3)
1#!/usr/bin/env bash
2# group: rw auto
3#
4# Test switching between read-only and read-write
5#
6# Copyright (C) 2017 Red Hat, Inc.
7#
8# This program is free software; you can redistribute it and/or modify
9# it under the terms of the GNU General Public License as published by
10# the Free Software Foundation; either version 2 of the License, or
11# (at your option) any later version.
12#
13# This program is distributed in the hope that it will be useful,
14# but WITHOUT ANY WARRANTY; without even the implied warranty of
15# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16# GNU General Public License for more details.
17#
18# You should have received a copy of the GNU General Public License
19# along with this program.  If not, see <http://www.gnu.org/licenses/>.
20#
21
22# creator
23owner=kwolf@redhat.com
24
25seq=`basename $0`
26echo "QA output created by $seq"
27
28status=1	# failure is the default!
29
30_cleanup()
31{
32    _cleanup_test_img
33    _rm_test_img "$TEST_IMG.2"
34    _rm_test_img "$TEST_IMG.3"
35}
36trap "_cleanup; exit \$status" 0 1 2 3 15
37
38# get standard environment, filters and checks
39. ./common.rc
40. ./common.filter
41
42_supported_fmt qcow2
43_supported_proto file fuse
44
45size=64M
46_make_test_img $size
47
48echo
49echo "Start from read-only"
50echo
51
52$QEMU_IO -r -c 'write 0 64k' $TEST_IMG | _filter_qemu_io
53$QEMU_IO -r -c 'reopen -w' -c 'write 0 64k' $TEST_IMG | _filter_qemu_io
54$QEMU_IO -r -c 'reopen -w' -c 'reopen -r' -c 'write 0 64k' $TEST_IMG | _filter_qemu_io
55
56echo
57echo "Start from read-write"
58echo
59
60$QEMU_IO -c 'write 0 64k' $TEST_IMG | _filter_qemu_io
61$QEMU_IO -c 'reopen -r' -c 'write 0 64k' $TEST_IMG | _filter_qemu_io
62$QEMU_IO -c 'reopen -r' -c 'reopen -w' -c 'write 0 64k' $TEST_IMG | _filter_qemu_io
63
64
65# success, all done
66echo "*** done"
67rm -f $seq.full
68status=0
69