xref: /openbmc/qemu/tests/qemu-iotests/187 (revision fef80ea073c4862bc9eaddb6ddb0ed970b8ad7c4)
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
23 owner=kwolf@redhat.com
24 
25 seq=`basename $0`
26 echo "QA output created by $seq"
27 
28 status=1	# failure is the default!
29 
30 _cleanup()
31 {
32     _cleanup_test_img
33     _rm_test_img "$TEST_IMG.2"
34     _rm_test_img "$TEST_IMG.3"
35 }
36 trap "_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 
45 size=64M
46 _make_test_img $size
47 
48 echo
49 echo "Start from read-only"
50 echo
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 
56 echo
57 echo "Start from read-write"
58 echo
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
66 echo "*** done"
67 rm -f $seq.full
68 status=0
69