1#!/usr/bin/env bash
2#
3# Test switching between read-only and read-write
4#
5# Copyright (C) 2017 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=kwolf@redhat.com
23
24seq=`basename $0`
25echo "QA output created by $seq"
26
27status=1	# failure is the default!
28
29_cleanup()
30{
31	_cleanup_test_img
32    rm -f "$TEST_IMG.2"
33    rm -f "$TEST_IMG.3"
34}
35trap "_cleanup; exit \$status" 0 1 2 3 15
36
37# get standard environment, filters and checks
38. ./common.rc
39. ./common.filter
40
41_supported_fmt qcow2
42_supported_proto file
43
44size=64M
45_make_test_img $size
46
47echo
48echo "Start from read-only"
49echo
50
51$QEMU_IO -r -c 'write 0 64k' $TEST_IMG | _filter_qemu_io
52$QEMU_IO -r -c 'reopen -w' -c 'write 0 64k' $TEST_IMG | _filter_qemu_io
53$QEMU_IO -r -c 'reopen -w' -c 'reopen -r' -c 'write 0 64k' $TEST_IMG | _filter_qemu_io
54
55echo
56echo "Start from read-write"
57echo
58
59$QEMU_IO -c 'write 0 64k' $TEST_IMG | _filter_qemu_io
60$QEMU_IO -c 'reopen -r' -c 'write 0 64k' $TEST_IMG | _filter_qemu_io
61$QEMU_IO -c 'reopen -r' -c 'reopen -w' -c 'write 0 64k' $TEST_IMG | _filter_qemu_io
62
63
64# success, all done
65echo "*** done"
66rm -f $seq.full
67status=0
68