| 1 | #!/usr/bin/env bash |
| 2 | # group: rw quick |
| 3 | # |
| 4 | # Test that opening O_DIRECT succeeds when image file I/O produces EIO |
| 5 | # |
| 6 | # Copyright (C) 2015 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=stefanha@redhat.com |
| 24 | |
| 25 | seq=`basename $0` |
| 26 | echo "QA output created by $seq" |
| 27 | |
| 28 | status=1 # failure is the default! |
| 29 | |
| 30 | devname="eiodev$$" |
| 31 | sudo="" |
| 32 | |
| 33 | _sudo_qemu_io_wrapper() |
| 34 | { |
| 35 | (exec $sudo "$QEMU_IO_PROG" $QEMU_IO_OPTIONS "$@") |
| 36 | } |
| 37 | |
| 38 | _setup_eiodev() |
| 39 | { |
| 40 | # This test should either be run as root or with passwordless sudo |
| 41 | for cmd in "" "sudo -n"; do |
| 42 | echo "0 $((1024 * 1024 * 1024 / 512)) error" | \ |
| 43 | $cmd dmsetup create "$devname" 2>/dev/null |
| 44 | if [ "$?" -eq 0 ]; then |
| 45 | DEV="/dev/mapper/$devname" |
| 46 | if ! -e $DEV |
| 47 | then |
| 48 | _notrun "Device $DEV not appearing" |
| 49 | fi |
| 50 | |
| 51 | sudo="$cmd" |
| 52 | return |
| 53 | fi |
| 54 | done |
| 55 | _notrun "root privileges required to run dmsetup" |
| 56 | } |
| 57 | |
| 58 | _cleanup_eiodev() |
| 59 | { |
| 60 | for cmd in "" "sudo -n"; do |
| 61 | $cmd dmsetup remove "$devname" 2>/dev/null |
| 62 | if [ "$?" -eq 0 ]; then |
| 63 | return |
| 64 | fi |
| 65 | done |
| 66 | } |
| 67 | |
| 68 | _cleanup() |
| 69 | { |
| 70 | _cleanup_eiodev |
| 71 | } |
| 72 | trap "_cleanup; exit \$status" 0 1 2 3 15 |
| 73 | |
| 74 | # get standard environment, filters and checks |
| 75 | . ./common.rc |
| 76 | . ./common.filter |
| 77 | |
| 78 | _supported_fmt raw |
| 79 | _supported_proto file |
| 80 | _supported_os Linux |
| 81 | |
| 82 | _setup_eiodev |
| 83 | |
| 84 | TEST_IMG="/dev/mapper/$devname" |
| 85 | |
| 86 | echo |
| 87 | echo "== reading from error device ==" |
| 88 | # Opening image should succeed but the read operation should fail |
| 89 | _sudo_qemu_io_wrapper --format "$IMGFMT" --nocache \ |
| 90 | -c "read 0 65536" "$TEST_IMG" \ |
| 91 | | _filter_qemu_io |
| 92 | |
| 93 | # success, all done |
| 94 | echo "*** done" |
| 95 | rm -f $seq.full |
| 96 | status=0 |