Merge tag 'qemu-macppc-20230206' of https://github.com/mcayland/qemu into staging
[qemu.git] / tests / qemu-iotests / 289
blob5dd6ec62dbb5194557d019ff55965b29a2caae8f
1 #!/usr/bin/env bash
2 # group: rw quick
4 # qcow2 v3-exclusive error path testing
5 # (026 tests paths common to v2 and v3)
7 # Copyright (C) 2020 Red Hat, Inc.
9 # This program is free software; you can redistribute it and/or modify
10 # it under the terms of the GNU General Public License as published by
11 # the Free Software Foundation; either version 2 of the License, or
12 # (at your option) any later version.
14 # This program is distributed in the hope that it will be useful,
15 # but WITHOUT ANY WARRANTY; without even the implied warranty of
16 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 # GNU General Public License for more details.
19 # You should have received a copy of the GNU General Public License
20 # along with this program. If not, see <http://www.gnu.org/licenses/>.
23 seq=$(basename $0)
24 echo "QA output created by $seq"
26 status=1 # failure is the default!
28 _cleanup()
30 _cleanup_test_img
31 rm "$TEST_DIR/blkdebug.conf"
32 rm -f "$TEST_IMG.data_file"
34 trap "_cleanup; exit \$status" 0 1 2 3 15
36 # get standard environment, filters and checks
37 . ./common.rc
38 . ./common.filter
39 . ./common.pattern
41 _supported_fmt qcow2
42 _supported_proto file fuse
43 # This is a v3-exclusive test;
44 # As for data_file, error paths often very much depend on whether
45 # there is an external data file or not; so we create one exactly when
46 # we want to test it
47 _unsupported_imgopts 'compat=0.10' data_file
49 echo
50 echo === Avoid freeing external data clusters on failure ===
51 echo
53 cat > "$TEST_DIR/blkdebug.conf" <<EOF
54 [inject-error]
55 event = "write_aio"
56 errno = "5"
57 once = "on"
58 EOF
60 # Test what happens when there is an error when writing to an external
61 # data file instead of when writing to a preallocated zero cluster
62 _make_test_img -o "data_file=$TEST_IMG.data_file" 64k
64 # Put blkdebug above the data-file, and a raw node on top of that so
65 # that blkdebug will see a write_aio event and emit an error. This
66 # will then trigger the alloc abort code, which we want to test here.
67 $QEMU_IO -c "write 0 64k" \
68 "json:{
69 'driver': 'qcow2',
70 'file': { 'driver': 'file', 'filename': '$TEST_IMG' },
71 'data-file': {
72 'driver': 'raw',
73 'file': {
74 'driver': 'blkdebug',
75 'config': '$TEST_DIR/blkdebug.conf',
76 'image': {
77 'driver': 'file',
78 'filename': '$TEST_IMG.data_file'
82 }" \
83 | _filter_qemu_io
85 _check_test_img
87 # success, all done
88 echo "*** done"
89 rm -f $seq.full
90 status=0