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/>.
22 owner
=stefanha@redhat.com
25 echo "QA output created by $seq"
29 status
=1 # failure is the default!
34 _sudo_qemu_io_wrapper
()
36 (exec $sudo "$QEMU_IO_PROG" $QEMU_IO_OPTIONS "$@")
41 # This test should either be run as root or with passwordless sudo
42 for cmd
in "" "sudo -n"; do
43 echo "0 $((1024 * 1024 * 1024 / 512)) error" | \
44 $cmd dmsetup create
"$devname" 2>/dev
/null
45 if [ "$?" -eq 0 ]; then
50 _notrun
"root privileges required to run dmsetup"
55 for cmd
in "" "sudo -n"; do
56 $cmd dmsetup remove
"$devname" 2>/dev
/null
57 if [ "$?" -eq 0 ]; then
67 trap "_cleanup; exit \$status" 0 1 2 3 15
69 # get standard environment, filters and checks
79 TEST_IMG
="/dev/mapper/$devname"
82 echo "== reading from error device =="
83 # Opening image should succeed but the read operation should fail
84 _sudo_qemu_io_wrapper
--format "$IMGFMT" --nocache \
85 -c "read 0 65536" "$TEST_IMG" \