3 # Test image locking for POSIX locks
5 # Copyright 2017 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/>.
25 echo "QA output created by $seq"
28 status=1 # failure is the default!
33 rm -f "$TEST_IMG.overlay"
35 trap "_cleanup; exit \$status" 0 1 2 3 15
37 # get standard environment, filters and checks
48 case "$QEMU_DEFAULT_MACHINE" in
50 virtioblk=virtio-blk-ccw
53 virtioblk=virtio-blk-pci
60 _launch_qemu -drive file=$TEST_IMG,if=none,id=drive0,file.locking=on \
61 -device $virtioblk,drive=drive0
64 echo "Starting a second QEMU using the same image should fail"
65 echo 'quit' | $QEMU -nographic -monitor stdio \
66 -drive file=$TEST_IMG,if=none,id=drive0,file.locking=on \
67 -device $virtioblk,drive=drive0 2>&1 | _filter_testdir 2>&1 |
69 sed -e '/falling back to POSIX file/d' \
70 -e '/locks can be lost unexpectedly/d'
75 echo '=== Testing reopen ==='
78 # This tests that reopening does not unshare any permissions it should
80 # (There was a bug where reopening shared exactly the opposite of the
81 # permissions it was supposed to share)
85 _send_qemu_cmd $QEMU_HANDLE \
86 "{'execute': 'qmp_capabilities'}" \
89 # Open the image without any format layer (we are not going to access
90 # it, so that is fine)
91 # This should keep all permissions shared.
92 success_or_failure=y _send_qemu_cmd $QEMU_HANDLE \
93 "{'execute': 'blockdev-add',
97 'filename': '$TEST_IMG',
103 # This snapshot will perform a reopen to drop R/W to RO.
104 # It should still keep all permissions shared.
105 success_or_failure=y _send_qemu_cmd $QEMU_HANDLE \
106 "{'execute': 'blockdev-snapshot-sync',
108 'node-name': 'node0',
109 'snapshot-file': '$TEST_IMG.overlay',
110 'snapshot-node-name': 'node1'
115 # Now open the same file again
116 # This does not require any permissions (and does not unshare any), so
117 # this will not conflict with node0.
118 success_or_failure=y _send_qemu_cmd $QEMU_HANDLE \
119 "{'execute': 'blockdev-add',
121 'node-name': 'node1',
123 'filename': '$TEST_IMG',
129 # Now we attach the image to a virtio-blk device. This device does
130 # require some permissions (at least WRITE and READ_CONSISTENT), so if
131 # reopening node0 unshared any (which it should not have), this will
132 # fail (but it should not).
133 success_or_failure=y _send_qemu_cmd $QEMU_HANDLE \
134 "{'execute': 'device_add',
136 'driver': 'virtio-blk',