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authorStefan Hajnoczi <stefanha@redhat.com>2015-03-05 15:38:18 -0600
committerKevin Wolf <kwolf@redhat.com>2015-03-10 14:02:24 +0100
commit1a6e597995c8c0125d1f305b583d6de083e44c73 (patch)
tree6c8c0de82a4595a12d998380704fabe6aabc911c /tests
parent22d182e82b4ba2fb78b2cc22bcec4e6a440b0ad6 (diff)
downloadhqemu-1a6e597995c8c0125d1f305b583d6de083e44c73.zip
hqemu-1a6e597995c8c0125d1f305b583d6de083e44c73.tar.gz
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')
-rwxr-xr-xtests/qemu-iotests/12882
-rw-r--r--tests/qemu-iotests/128.out5
-rw-r--r--tests/qemu-iotests/group1
3 files changed, 88 insertions, 0 deletions
diff --git a/tests/qemu-iotests/128 b/tests/qemu-iotests/128
new file mode 100755
index 0000000..249a865
--- /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 0000000..4e43f5f
--- /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 87eec39..71f19d4 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
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