diff options
| author | Stefan Hajnoczi <stefanha@redhat.com> | 2015-03-05 15:38:18 -0600 |
|---|---|---|
| committer | Kevin Wolf <kwolf@redhat.com> | 2015-03-10 14:02:24 +0100 |
| commit | 1a6e597995c8c0125d1f305b583d6de083e44c73 (patch) | |
| tree | 6c8c0de82a4595a12d998380704fabe6aabc911c /tests/qemu-iotests | |
| parent | 22d182e82b4ba2fb78b2cc22bcec4e6a440b0ad6 (diff) | |
iotests: add O_DIRECT alignment probing test
This test case checks that image files can be opened even if I/O
produces EIO errors. QEMU should not refuse opening failed disks since
the guest may be configured for multipath I/O where accessing failed
disks is expected.
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Diffstat (limited to 'tests/qemu-iotests')
| -rwxr-xr-x | tests/qemu-iotests/128 | 82 | ||||
| -rw-r--r-- | tests/qemu-iotests/128.out | 5 | ||||
| -rw-r--r-- | tests/qemu-iotests/group | 1 |
3 files changed, 88 insertions, 0 deletions
diff --git a/tests/qemu-iotests/128 b/tests/qemu-iotests/128 new file mode 100755 index 0000000000..249a865581 --- /dev/null +++ b/tests/qemu-iotests/128 @@ -0,0 +1,82 @@ +#!/bin/bash +# +# Test that opening O_DIRECT succeeds when image file I/O produces EIO +# +# Copyright (C) 2015 Red Hat, Inc. +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see <http://www.gnu.org/licenses/>. +# + +# creator +owner=stefanha@redhat.com + +seq=`basename $0` +echo "QA output created by $seq" + +here=`pwd` +tmp=/tmp/$$ +status=1 # failure is the default! + +devname="eiodev$$" + +_setup_eiodev() +{ + # This test should either be run as root or with passwordless sudo + for cmd in "" "sudo -n"; do + echo "0 $((1024 * 1024 * 1024 / 512)) error" | \ + $cmd dmsetup create "$devname" 2>/dev/null + if [ "$?" -eq 0 ]; then + return + fi + done + _notrun "root privileges required to run dmsetup" +} + +_cleanup_eiodev() +{ + for cmd in "" "sudo -n"; do + $cmd dmsetup remove "$devname" 2>/dev/null + if [ "$?" -eq 0 ]; then + return + fi + done +} + +_cleanup() +{ + _cleanup_eiodev +} +trap "_cleanup; exit \$status" 0 1 2 3 15 + +# get standard environment, filters and checks +. ./common.rc +. ./common.filter + +_supported_fmt raw +_supported_proto file +_supported_os Linux + +_setup_eiodev + +TEST_IMG="/dev/mapper/$devname" + +echo +echo "== reading from error device ==" +# Opening image should succeed but the read operation should fail +$QEMU_IO --format "$IMGFMT" --nocache -c "read 0 65536" "$TEST_IMG" | _filter_qemu_io + +# success, all done +echo "*** done" +rm -f $seq.full +status=0 diff --git a/tests/qemu-iotests/128.out b/tests/qemu-iotests/128.out new file mode 100644 index 0000000000..4e43f5faa0 --- /dev/null +++ b/tests/qemu-iotests/128.out @@ -0,0 +1,5 @@ +QA output created by 128 + +== reading from error device == +read failed: Input/output error +*** done diff --git a/tests/qemu-iotests/group b/tests/qemu-iotests/group index 87eec393a8..71f19d4ece 100644 --- a/tests/qemu-iotests/group +++ b/tests/qemu-iotests/group @@ -121,3 +121,4 @@ 114 rw auto quick 116 rw auto quick 123 rw auto quick +128 rw auto quick |