xref: /qemu/tests/qemu-iotests/098 (revision abff1abf)
1#!/usr/bin/env bash
2#
3# Test qcow2's bdrv_make_empty for images without internal snapshots
4#
5# Copyright (C) 2014 Red Hat, Inc.
6#
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.
11#
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.
16#
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/>.
19#
20
21# creator
22owner=mreitz@redhat.com
23
24seq="$(basename $0)"
25echo "QA output created by $seq"
26
27status=1	# failure is the default!
28
29_cleanup()
30{
31    _cleanup_test_img
32    rm -f "$TEST_DIR/blkdebug.conf"
33}
34trap "_cleanup; exit \$status" 0 1 2 3 15
35
36# get standard environment, filters and checks
37. ./common.rc
38. ./common.filter
39. ./common.pattern
40
41_supported_fmt qcow2
42_supported_proto file
43# The code path we want to test here only works for compat=1.1 images;
44# blkdebug can only inject errors on bs->file, so external data files
45# do not work with this test
46_unsupported_imgopts 'compat=0.10' data_file
47
48for event in l1_update empty_image_prepare reftable_update refblock_alloc; do
49
50echo
51echo "=== $event ==="
52echo
53
54TEST_IMG="$TEST_IMG.base" _make_test_img 64M
55_make_test_img -b "$TEST_IMG.base" -F $IMGFMT 64M
56
57# Some data that can be leaked when emptying the top image
58$QEMU_IO -c 'write 0 64k' "$TEST_IMG" | _filter_qemu_io
59
60cat > "$TEST_DIR/blkdebug.conf" <<EOF
61[inject-error]
62event = "$event"
63EOF
64
65$QEMU_IMG commit "blkdebug:$TEST_DIR/blkdebug.conf:$TEST_IMG" 2>&1 \
66    | _filter_testdir | _filter_imgfmt
67
68# There may be errors, but they should be fixed by opening the image
69$QEMU_IO -c close "$TEST_IMG"
70
71_check_test_img
72
73done
74
75
76rm -f "$TEST_DIR/blkdebug.conf"
77
78# success, all done
79echo "*** done"
80rm -f $seq.full
81status=0
82