qemu-iotests: Fix 128 if sudo required
[qemu.git] / tests / qemu-iotests / 128
blobe2a0f2f8904b9420e1c5942a594231e5e7859dc8
1 #!/bin/bash
3 # Test that opening O_DIRECT succeeds when image file I/O produces EIO
5 # Copyright (C) 2015 Red Hat, Inc.
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.
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.
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/>.
21 # creator
22 owner=stefanha@redhat.com
24 seq=`basename $0`
25 echo "QA output created by $seq"
27 here=`pwd`
28 tmp=/tmp/$$
29 status=1 # failure is the default!
31 devname="eiodev$$"
32 sudo=""
34 _setup_eiodev()
36 # This test should either be run as root or with passwordless sudo
37 for cmd in "" "sudo -n"; do
38 echo "0 $((1024 * 1024 * 1024 / 512)) error" | \
39 $cmd dmsetup create "$devname" 2>/dev/null
40 if [ "$?" -eq 0 ]; then
41 sudo="$cmd"
42 return
44 done
45 _notrun "root privileges required to run dmsetup"
48 _cleanup_eiodev()
50 for cmd in "" "sudo -n"; do
51 $cmd dmsetup remove "$devname" 2>/dev/null
52 if [ "$?" -eq 0 ]; then
53 return
55 done
58 _cleanup()
60 _cleanup_eiodev
62 trap "_cleanup; exit \$status" 0 1 2 3 15
64 # get standard environment, filters and checks
65 . ./common.rc
66 . ./common.filter
68 _supported_fmt raw
69 _supported_proto file
70 _supported_os Linux
72 _setup_eiodev
74 TEST_IMG="/dev/mapper/$devname"
76 echo
77 echo "== reading from error device =="
78 # Opening image should succeed but the read operation should fail
79 $sudo $QEMU_IO --format "$IMGFMT" --nocache -c "read 0 65536" "$TEST_IMG" | _filter_qemu_io
81 # success, all done
82 echo "*** done"
83 rm -f $seq.full
84 status=0