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block: Don't block_job_pause_all() in bdrv_drain_all()
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1 #!/bin/bash
2 #
3 # Test image locking
4 #
5 # Copyright 2016, 2017 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
22 [email protected]
23
24 seq="$(basename $0)"
25 echo "QA output created by $seq"
26
27 here="$PWD"
28 tmp=/tmp/$$
29 status=1        # failure is the default!
30
31 _cleanup()
32 {
33     _cleanup_test_img
34     rm -f "${TEST_IMG}.base"
35     rm -f "${TEST_IMG}.convert"
36     rm -f "${TEST_IMG}.a"
37     rm -f "${TEST_IMG}.b"
38     rm -f "${TEST_IMG}.c"
39     rm -f "${TEST_IMG}.lnk"
40 }
41 trap "_cleanup; exit \$status" 0 1 2 3 15
42
43 # get standard environment, filters and checks
44 . ./common.rc
45 . ./common.filter
46 . ./common.qemu
47
48 size=32M
49
50 _check_ofd()
51 {
52     _make_test_img $size >/dev/null
53     if $QEMU_IMG_PROG info --image-opts "driver=file,locking=on,filename=$TEST_IMG" 2>&1 |
54         grep -q 'falling back to POSIX file'; then
55         return 1
56     else
57         return 0
58     fi
59 }
60
61 _check_ofd || _notrun "OFD lock not available"
62
63 _supported_fmt qcow2
64 _supported_proto file
65 _supported_os Linux
66
67 _run_cmd()
68 {
69     echo
70     (echo "$@"; "$@" 2>&1 1>/dev/null) | _filter_testdir
71 }
72
73 function _do_run_qemu()
74 {
75     (
76         if ! test -t 0; then
77             while read cmd; do
78                 echo $cmd
79             done
80         fi
81         echo quit
82     ) | $QEMU -nographic -monitor stdio -serial none "$@" 1>/dev/null
83 }
84
85 function _run_qemu_with_images()
86 {
87     _do_run_qemu \
88         $(for i in $@; do echo "-drive if=none,file=$i"; done) 2>&1 \
89         | _filter_testdir | _filter_qemu
90 }
91
92 echo "== readonly=off,force-share=on should be rejected =="
93 _run_qemu_with_images null-co://,readonly=off,force-share=on
94
95 for opts1 in "" "read-only=on" "read-only=on,force-share=on"; do
96     echo
97     echo "== Creating base image =="
98     TEST_IMG="${TEST_IMG}.base" _make_test_img $size
99
100     echo
101     echo "== Creating test image =="
102     $QEMU_IMG create -f $IMGFMT "${TEST_IMG}" -b ${TEST_IMG}.base | _filter_img_create
103
104     echo
105     echo "== Launching QEMU, opts: '$opts1' =="
106     _launch_qemu -drive file="${TEST_IMG}",if=none,$opts1
107     h=$QEMU_HANDLE
108
109     for opts2 in "" "read-only=on" "read-only=on,force-share=on"; do
110         echo
111         echo "== Launching another QEMU, opts: '$opts2' =="
112         echo "quit" | \
113             $QEMU -nographic -monitor stdio \
114             -drive file="${TEST_IMG}",if=none,$opts2 2>&1 1>/dev/null | \
115             _filter_testdir | _filter_qemu
116     done
117
118     for L in "" "-U"; do
119
120         echo
121         echo "== Running utility commands $L =="
122         _run_cmd $QEMU_IO $L -c "read 0 512" "${TEST_IMG}"
123         _run_cmd $QEMU_IO $L -r -c "read 0 512" "${TEST_IMG}"
124         _run_cmd $QEMU_IO -c "open $L ${TEST_IMG}" -c "read 0 512"
125         _run_cmd $QEMU_IO -c "open -r $L ${TEST_IMG}" -c "read 0 512"
126         _run_cmd $QEMU_IMG info        $L "${TEST_IMG}"
127         _run_cmd $QEMU_IMG check       $L "${TEST_IMG}"
128         _run_cmd $QEMU_IMG compare     $L "${TEST_IMG}" "${TEST_IMG}"
129         _run_cmd $QEMU_IMG map         $L "${TEST_IMG}"
130         _run_cmd $QEMU_IMG amend -o "" $L "${TEST_IMG}"
131         _run_cmd $QEMU_IMG commit      $L "${TEST_IMG}"
132         _run_cmd $QEMU_IMG resize      $L "${TEST_IMG}" $size
133         _run_cmd $QEMU_IMG rebase      $L "${TEST_IMG}" -b "${TEST_IMG}.base"
134         _run_cmd $QEMU_IMG snapshot -l $L "${TEST_IMG}"
135         _run_cmd $QEMU_IMG convert     $L "${TEST_IMG}" "${TEST_IMG}.convert"
136         _run_cmd $QEMU_IMG dd          $L if="${TEST_IMG}" of="${TEST_IMG}.convert" bs=512 count=1
137         _run_cmd $QEMU_IMG bench       $L -c 1 "${TEST_IMG}"
138         _run_cmd $QEMU_IMG bench       $L -w -c 1 "${TEST_IMG}"
139     done
140     _send_qemu_cmd $h "{ 'execute': 'quit', }" ""
141     echo
142     echo "Round done"
143     _cleanup_qemu
144 done
145
146 for opt1 in $test_opts; do
147     for opt2 in $test_opts; do
148         echo
149         echo "== Two devices with the same image ($opt1 - $opt2) =="
150         _run_qemu_with_images "${TEST_IMG},$opt1" "${TEST_IMG},$opt2"
151     done
152 done
153
154 echo "== Creating ${TEST_IMG}.[abc] ==" | _filter_testdir
155 (
156     $QEMU_IMG create -f qcow2 "${TEST_IMG}.a" -b "${TEST_IMG}"
157     $QEMU_IMG create -f qcow2 "${TEST_IMG}.b" -b "${TEST_IMG}"
158     $QEMU_IMG create -f qcow2 "${TEST_IMG}.c" -b "${TEST_IMG}.b"
159 ) | _filter_img_create
160
161 echo
162 echo "== Two devices sharing the same file in backing chain =="
163 _run_qemu_with_images "${TEST_IMG}.a" "${TEST_IMG}.b"
164 _run_qemu_with_images "${TEST_IMG}.a" "${TEST_IMG}.c"
165
166 echo
167 echo "== Backing image also as an active device =="
168 _run_qemu_with_images "${TEST_IMG}.a" "${TEST_IMG}"
169
170 echo
171 echo "== Backing image also as an active device (ro) =="
172 _run_qemu_with_images "${TEST_IMG}.a" "${TEST_IMG},readonly=on"
173
174 echo
175 echo "== Symbolic link =="
176 rm -f "${TEST_IMG}.lnk" &>/dev/null
177 ln -s ${TEST_IMG} "${TEST_IMG}.lnk" || echo "Failed to create link"
178 _run_qemu_with_images "${TEST_IMG}.lnk" "${TEST_IMG}"
179
180 echo
181 echo "== Closing an image should unlock it =="
182 _launch_qemu
183
184 _send_qemu_cmd $QEMU_HANDLE \
185     "{ 'execute': 'qmp_capabilities' }" \
186     'return'
187
188 echo "Adding drive"
189 _send_qemu_cmd $QEMU_HANDLE \
190     "{ 'execute': 'human-monitor-command',
191        'arguments': { 'command-line': 'drive_add 0 if=none,id=d0,file=${TEST_IMG}' } }" \
192     ""
193
194 _run_cmd $QEMU_IO "${TEST_IMG}" -c 'write 0 512'
195
196 echo "Closing drive"
197 _send_qemu_cmd $QEMU_HANDLE \
198     "{ 'execute': 'human-monitor-command',
199        'arguments': { 'command-line': 'drive_del d0' } }" \
200     ""
201
202 _run_cmd $QEMU_IO "${TEST_IMG}" -c 'write 0 512'
203
204 echo "Adding two and closing one"
205 for d in d0 d1; do
206     _send_qemu_cmd $QEMU_HANDLE \
207         "{ 'execute': 'human-monitor-command',
208            'arguments': { 'command-line': 'drive_add 0 if=none,id=$d,file=${TEST_IMG},readonly=on' } }" \
209         ""
210 done
211
212 _run_cmd $QEMU_IMG info "${TEST_IMG}"
213
214 _send_qemu_cmd $QEMU_HANDLE \
215     "{ 'execute': 'human-monitor-command',
216        'arguments': { 'command-line': 'drive_del d0' } }" \
217     ""
218
219 _run_cmd $QEMU_IO "${TEST_IMG}" -c 'write 0 512'
220
221 echo "Closing the other"
222 _send_qemu_cmd $QEMU_HANDLE \
223     "{ 'execute': 'human-monitor-command',
224        'arguments': { 'command-line': 'drive_del d1' } }" \
225     ""
226
227 _run_cmd $QEMU_IO "${TEST_IMG}" -c 'write 0 512'
228
229 _cleanup_qemu
230
231 # success, all done
232 echo "*** done"
233 rm -f $seq.full
234 status=0
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