1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
|
#!/usr/bin/env bash
#
# Test qcow2 reopen
#
# 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=kwolf@redhat.com
seq="$(basename $0)"
echo "QA output created by $seq"
status=1 # failure is the default!
_cleanup()
{
_cleanup_test_img
}
trap "_cleanup; exit \$status" 0 1 2 3 15
# get standard environment, filters and checks
. ./common.rc
. ./common.filter
. ./common.qemu
_supported_fmt qcow2
_supported_proto file
_supported_os Linux
# We are going to use lazy-refcounts
_unsupported_imgopts 'compat=0.10'
_make_test_img 64M
echo === Try setting valid values for all options ===
echo
# Try all options and then check that all of the basic I/O operations still
# work on this image.
$QEMU_IO \
-c "reopen -o lazy-refcounts=on,pass-discard-request=on" \
-c "reopen -o lazy-refcounts=off,pass-discard-request=off" \
-c "reopen -o pass-discard-snapshot=on,pass-discard-other=on" \
-c "reopen -o pass-discard-snapshot=off,pass-discard-other=off" \
-c "reopen -o overlap-check=all" \
-c "reopen -o overlap-check=none" \
-c "reopen -o overlap-check=cached" \
-c "reopen -o overlap-check=constant" \
-c "reopen -o overlap-check.template=all" \
-c "reopen -o overlap-check.template=none" \
-c "reopen -o overlap-check.template=cached" \
-c "reopen -o overlap-check.template=constant" \
-c "reopen -o overlap-check.main-header=on" \
-c "reopen -o overlap-check.main-header=off" \
-c "reopen -o overlap-check.active-l1=on" \
-c "reopen -o overlap-check.active-l1=off" \
-c "reopen -o overlap-check.active-l2=on" \
-c "reopen -o overlap-check.active-l2=off" \
-c "reopen -o overlap-check.refcount-table=on" \
-c "reopen -o overlap-check.refcount-table=off" \
-c "reopen -o overlap-check.refcount-block=on" \
-c "reopen -o overlap-check.refcount-block=off" \
-c "reopen -o overlap-check.snapshot-table=on" \
-c "reopen -o overlap-check.snapshot-table=off" \
-c "reopen -o overlap-check.inactive-l1=on" \
-c "reopen -o overlap-check.inactive-l1=off" \
-c "reopen -o overlap-check.inactive-l2=on" \
-c "reopen -o overlap-check.inactive-l2=off" \
-c "reopen -o cache-size=1M" \
-c "reopen -o l2-cache-size=512k" \
-c "reopen -o l2-cache-entry-size=512" \
-c "reopen -o l2-cache-entry-size=4k" \
-c "reopen -o l2-cache-entry-size=64k" \
-c "reopen -o refcount-cache-size=128k" \
-c "reopen -o cache-clean-interval=5" \
-c "reopen -o cache-clean-interval=0" \
-c "reopen -o cache-clean-interval=10" \
\
-c "write -P 55 0 32M" \
-c "read -P 55 0 32M" \
-c "discard 0 32M" \
-c "write -z 0 32M" \
-c "read -P 0 0 32M" \
\
"$TEST_IMG" | _filter_qemu_io
echo
echo === Try setting some invalid values ===
echo
$QEMU_IO \
-c "reopen -o lazy-refcounts=42" \
-c "reopen -o cache-size=1M,l2-cache-size=64k,refcount-cache-size=64k" \
-c "reopen -o cache-size=1M,l2-cache-size=2M" \
-c "reopen -o cache-size=1M,refcount-cache-size=2M" \
-c "reopen -o l2-cache-entry-size=33k" \
-c "reopen -o l2-cache-entry-size=128k" \
-c "reopen -o refcount-cache-size=256T" \
-c "reopen -o overlap-check=constant,overlap-check.template=all" \
-c "reopen -o overlap-check=blubb" \
-c "reopen -o overlap-check.template=blubb" \
-c "reopen -o cache-clean-interval=-1" \
"$TEST_IMG" | _filter_qemu_io
IMGOPTS="cluster_size=256k" _make_test_img 32P
$QEMU_IO \
-c "reopen -o l2-cache-entry-size=512,l2-cache-size=1T" \
"$TEST_IMG" | _filter_qemu_io
_make_test_img 64M
echo
echo === Test transaction semantics ===
echo
# Whether lazy-refcounts was actually enabled can easily be tested: Check if
# the dirty bit is set after a crash
_NO_VALGRIND \
$QEMU_IO \
-c "reopen -o lazy-refcounts=on,overlap-check=blubb" \
-c "write -P 0x5a 0 512" \
-c "sigraise $(kill -l KILL)" \
"$TEST_IMG" 2>&1 | _filter_qemu_io
# The dirty bit must not be set
$PYTHON qcow2.py "$TEST_IMG" dump-header | grep incompatible_features
# Similarly we can test whether corruption detection has been enabled:
# Create L1/L2, overwrite first entry in refcount block, allocate something.
# Disabling the checks should fail, so the corruption must be detected.
_make_test_img 64M
$QEMU_IO -c "write 0 64k" "$TEST_IMG" | _filter_qemu_io
poke_file "$TEST_IMG" "$((0x20000))" "\x00\x00"
$QEMU_IO \
-c "reopen -o overlap-check=none,lazy-refcounts=42" \
-c "write 64k 64k" \
"$TEST_IMG" 2>&1 | _filter_qemu_io
# success, all done
echo '*** done'
rm -f $seq.full
status=0
|
