projects / qemu.git / blame
| Commit | Line | Data |
|---|---|---|
| 1ef7d010 KW |
1 | #!/bin/bash |
| 2 | # | |
| 74021bc4 | 3 | # qcow2 specific bdrv_pwrite_zeroes tests with backing files (complements 034) |
| 1ef7d010 KW |
4 | # |
| 5 | # Copyright (C) 2016 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 $seq" | |
| 26 | ||
| 27 | here=`pwd` | |
| 28 | status=1 # failure is the default! | |
| 29 | ||
| 30 | _cleanup() | |
| 31 | { | |
| 32 | _cleanup_test_img | |
| 33 | } | |
| 34 | trap "_cleanup; exit \$status" 0 1 2 3 15 | |
| 35 | ||
| 36 | # get standard environment, filters and checks | |
| 37 | . ./common.rc | |
| 38 | . ./common.filter | |
| 39 | ||
| 40 | _supported_fmt qcow2 | |
| 41 | _supported_proto file | |
| 42 | _supported_os Linux | |
| 43 | ||
| 44 | CLUSTER_SIZE=4k | |
| 45 | size=128M | |
| 46 | ||
| 47 | echo | |
| 48 | echo == backing file contains zeros == | |
| 49 | ||
| 50 | CLUSTER_SIZE=512 TEST_IMG="$TEST_IMG.base" _make_test_img $size | |
| 51 | _make_test_img -b "$TEST_IMG.base" | |
| 52 | ||
| 53 | # Make sure that the whole cluster is allocated even for partial write_zeroes | |
| 54 | # when the backing file contains zeros | |
| 55 | ||
| 56 | # X = non-zero data sector in backing file | |
| 57 | # - = sector unallocated in whole backing chain | |
| 58 | # 0 = sector touched by write_zeroes request | |
| 59 | ||
| 60 | # 1. Tail unaligned: 00 00 -- -- | |
| 61 | # 2. Head unaligned: -- -- 00 00 | |
| 62 | # 3. Both unaligned: -- 00 00 -- | |
| 63 | # 4. Both, 2 clusters: -- -- -- 00 | 00 -- -- -- | |
| 64 | ||
| 65 | $QEMU_IO -c "write -z 0 2k" "$TEST_IMG" | _filter_qemu_io | |
| 66 | $QEMU_IO -c "write -z 10k 2k" "$TEST_IMG" | _filter_qemu_io | |
| 67 | $QEMU_IO -c "write -z 17k 2k" "$TEST_IMG" | _filter_qemu_io | |
| 68 | $QEMU_IO -c "write -z 27k 2k" "$TEST_IMG" | _filter_qemu_io | |
| 69 | $QEMU_IMG map --output=json "$TEST_IMG" | _filter_qemu_img_map | |
| 70 | ||
| 71 | echo | |
| 72 | echo == backing file contains non-zero data before write_zeroes == | |
| 73 | ||
| 74 | CLUSTER_SIZE=512 TEST_IMG="$TEST_IMG.base" _make_test_img $size | |
| 75 | _make_test_img -b "$TEST_IMG.base" | |
| 76 | ||
| 77 | # Single cluster; non-zero data at the cluster start | |
| 78 | # ... | XX -- 00 -- | ... | |
| 79 | $QEMU_IO -c "write -P 0x11 32k 1k" "$TEST_IMG.base" | _filter_qemu_io | |
| 80 | $QEMU_IO -c "write -z 34k 1k" "$TEST_IMG" | _filter_qemu_io | |
| 81 | $QEMU_IO -c "read -P 0x11 32k 1k" "$TEST_IMG" | _filter_qemu_io | |
| 82 | $QEMU_IO -c "read -P 0 33k 3k" "$TEST_IMG" | _filter_qemu_io | |
| 83 | ||
| 84 | # Single cluster; non-zero data exists, but not at the cluster start | |
| 85 | # ... | -- XX 00 -- | ... | |
| 86 | $QEMU_IO -c "write -P 0x11 65k 1k" "$TEST_IMG.base" | _filter_qemu_io | |
| 87 | $QEMU_IO -c "write -z 66k 1k" "$TEST_IMG" | _filter_qemu_io | |
| 88 | $QEMU_IO -c "read -P 0x11 65k 1k" "$TEST_IMG" | _filter_qemu_io | |
| 89 | $QEMU_IO -c "read -P 0 64k 1k" "$TEST_IMG" | _filter_qemu_io | |
| 90 | $QEMU_IO -c "read -P 0 66k 2k" "$TEST_IMG" | _filter_qemu_io | |
| 91 | ||
| 92 | $QEMU_IMG map --output=json "$TEST_IMG" | _filter_qemu_img_map | |
| 93 | ||
| 94 | echo | |
| 95 | echo == backing file contains non-zero data after write_zeroes == | |
| 96 | ||
| 97 | CLUSTER_SIZE=512 TEST_IMG="$TEST_IMG.base" _make_test_img $size | |
| 98 | _make_test_img -b "$TEST_IMG.base" | |
| 99 | ||
| 100 | # Single cluster; non-zero data directly after request | |
| 101 | # ... | -- 00 XX -- | ... | |
| 102 | $QEMU_IO -c "write -P 0x11 34k 1k" "$TEST_IMG.base" | _filter_qemu_io | |
| 103 | $QEMU_IO -c "write -z 33k 1k" "$TEST_IMG" | _filter_qemu_io | |
| 104 | $QEMU_IO -c "read -P 0 32k 2k" "$TEST_IMG" | _filter_qemu_io | |
| 105 | $QEMU_IO -c "read -P 0x11 34k 1k" "$TEST_IMG" | _filter_qemu_io | |
| 106 | $QEMU_IO -c "read -P 0 35k 1k" "$TEST_IMG" | _filter_qemu_io | |
| 107 | ||
| 108 | # Single cluster; non-zero data exists, but not directly after request | |
| 109 | # ... | -- 00 -- XX | ... | |
| 110 | $QEMU_IO -c "write -P 0x11 43k 1k" "$TEST_IMG.base" | _filter_qemu_io | |
| 111 | $QEMU_IO -c "write -z 41k 1k" "$TEST_IMG" | _filter_qemu_io | |
| 112 | $QEMU_IO -c "read -P 0x11 43k 1k" "$TEST_IMG" | _filter_qemu_io | |
| 113 | $QEMU_IO -c "read -P 0 40k 3k" "$TEST_IMG" | _filter_qemu_io | |
| 114 | ||
| 115 | $QEMU_IMG map --output=json "$TEST_IMG" | _filter_qemu_img_map | |
| 31ad4fdf EB |
116 | |
| 117 | echo | |
| 118 | echo == write_zeroes covers non-zero data == | |
| 119 | ||
| 120 | CLUSTER_SIZE=512 TEST_IMG="$TEST_IMG.base" _make_test_img $size | |
| 121 | _make_test_img -b "$TEST_IMG.base" | |
| 122 | ||
| 123 | # non-zero data at front of request | |
| 124 | # Backing file: -- XX -- -- | |
| 125 | # Active layer: -- 00 00 -- | |
| 126 | ||
| 127 | $QEMU_IO -c "write -P 0x11 5k 1k" "$TEST_IMG.base" | _filter_qemu_io | |
| 128 | $QEMU_IO -c "write -z 5k 2k" "$TEST_IMG" | _filter_qemu_io | |
| 129 | $QEMU_IO -c "read -P 0 4k 4k" "$TEST_IMG" | _filter_qemu_io | |
| 130 | ||
| 131 | # non-zero data at end of request | |
| 132 | # Backing file: -- -- XX -- | |
| 133 | # Active layer: -- 00 00 -- | |
| 134 | ||
| 135 | $QEMU_IO -c "write -P 0x11 14k 1k" "$TEST_IMG.base" | _filter_qemu_io | |
| 136 | $QEMU_IO -c "write -z 13k 2k" "$TEST_IMG" | _filter_qemu_io | |
| 137 | $QEMU_IO -c "read -P 0 12k 4k" "$TEST_IMG" | _filter_qemu_io | |
| 138 | ||
| 139 | # non-zero data matches size of request | |
| 140 | # Backing file: -- XX XX -- | |
| 141 | # Active layer: -- 00 00 -- | |
| 142 | ||
| 143 | $QEMU_IO -c "write -P 0x11 21k 2k" "$TEST_IMG.base" | _filter_qemu_io | |
| 144 | $QEMU_IO -c "write -z 21k 2k" "$TEST_IMG" | _filter_qemu_io | |
| 145 | $QEMU_IO -c "read -P 0 20k 4k" "$TEST_IMG" | _filter_qemu_io | |
| 146 | ||
| 147 | # non-zero data smaller than request | |
| 148 | # Backing file: -- -X X- -- | |
| 149 | # Active layer: -- 00 00 -- | |
| 150 | ||
| 151 | $QEMU_IO -c "write -P 0x11 30208 1k" "$TEST_IMG.base" | _filter_qemu_io | |
| 152 | $QEMU_IO -c "write -z 29k 2k" "$TEST_IMG" | _filter_qemu_io | |
| 153 | $QEMU_IO -c "read -P 0 28k 4k" "$TEST_IMG" | _filter_qemu_io | |
| 154 | ||
| 155 | $QEMU_IMG map --output=json "$TEST_IMG" | _filter_qemu_img_map | |
| 1ef7d010 KW |
156 | |
| 157 | echo | |
| 158 | echo == spanning two clusters, non-zero before request == | |
| 159 | ||
| 160 | CLUSTER_SIZE=512 TEST_IMG="$TEST_IMG.base" _make_test_img $size | |
| 161 | _make_test_img -b "$TEST_IMG.base" | |
| 162 | ||
| 163 | # Two clusters; non-zero data before request: | |
| 164 | # 1. At cluster start: 32k: XX -- -- 00 | 00 -- -- -- | |
| 165 | # 2. Between unallocated space: 48k: -- XX -- 00 | 00 -- -- -- | |
| 166 | # 3. Directly before request: 64k: -- -- XX 00 | 00 -- -- -- | |
| 167 | ||
| 168 | $QEMU_IO -c "write -P 0x11 32k 1k" "$TEST_IMG.base" | _filter_qemu_io | |
| 169 | $QEMU_IO -c "write -z 35k 2k" "$TEST_IMG" | _filter_qemu_io | |
| 170 | $QEMU_IO -c "read -P 0x11 32k 1k" "$TEST_IMG" | _filter_qemu_io | |
| 171 | $QEMU_IO -c "read -P 0 33k 7k" "$TEST_IMG" | _filter_qemu_io | |
| 172 | ||
| 173 | $QEMU_IO -c "write -P 0x11 49k 1k" "$TEST_IMG.base" | _filter_qemu_io | |
| 174 | $QEMU_IO -c "write -z 51k 2k" "$TEST_IMG" | _filter_qemu_io | |
| 175 | $QEMU_IO -c "read -P 0 48k 1k" "$TEST_IMG" | _filter_qemu_io | |
| 176 | $QEMU_IO -c "read -P 0x11 49k 1k" "$TEST_IMG" | _filter_qemu_io | |
| 177 | $QEMU_IO -c "read -P 0 50k 6k" "$TEST_IMG" | _filter_qemu_io | |
| 178 | ||
| 179 | $QEMU_IO -c "write -P 0x11 66k 1k" "$TEST_IMG.base" | _filter_qemu_io | |
| 180 | $QEMU_IO -c "write -z 67k 2k" "$TEST_IMG" | _filter_qemu_io | |
| 181 | $QEMU_IO -c "read -P 0 64k 2k" "$TEST_IMG" | _filter_qemu_io | |
| 182 | $QEMU_IO -c "read -P 0x11 66k 1k" "$TEST_IMG" | _filter_qemu_io | |
| 183 | $QEMU_IO -c "read -P 0 67k 5k" "$TEST_IMG" | _filter_qemu_io | |
| 184 | ||
| 185 | $QEMU_IMG map --output=json "$TEST_IMG" | _filter_qemu_img_map | |
| 186 | ||
| 187 | echo | |
| 188 | echo == spanning two clusters, non-zero after request == | |
| 189 | ||
| 190 | CLUSTER_SIZE=512 TEST_IMG="$TEST_IMG.base" _make_test_img $size | |
| 191 | _make_test_img -b "$TEST_IMG.base" | |
| 192 | ||
| 193 | # Two clusters; non-zero data after request: | |
| 194 | # 1. Directly after request: 32k: -- -- -- 00 | 00 XX -- -- | |
| 195 | # 2. Between unallocated space: 48k: -- -- -- 00 | 00 -- XX -- | |
| 196 | # 3. At cluster end: 64k: -- -- -- 00 | 00 -- -- XX | |
| 197 | ||
| 198 | $QEMU_IO -c "write -P 0x11 37k 1k" "$TEST_IMG.base" | _filter_qemu_io | |
| 199 | $QEMU_IO -c "write -z 35k 2k" "$TEST_IMG" | _filter_qemu_io | |
| 200 | $QEMU_IO -c "read -P 0 32k 5k" "$TEST_IMG" | _filter_qemu_io | |
| 201 | $QEMU_IO -c "read -P 0x11 37k 1k" "$TEST_IMG" | _filter_qemu_io | |
| 202 | $QEMU_IO -c "read -P 0 38k 2k" "$TEST_IMG" | _filter_qemu_io | |
| 203 | ||
| 204 | $QEMU_IO -c "write -P 0x11 54k 1k" "$TEST_IMG.base" | _filter_qemu_io | |
| 205 | $QEMU_IO -c "write -z 51k 2k" "$TEST_IMG" | _filter_qemu_io | |
| 206 | $QEMU_IO -c "read -P 0 48k 6k" "$TEST_IMG" | _filter_qemu_io | |
| 207 | $QEMU_IO -c "read -P 0x11 54k 1k" "$TEST_IMG" | _filter_qemu_io | |
| 208 | $QEMU_IO -c "read -P 0 55k 1k" "$TEST_IMG" | _filter_qemu_io | |
| 209 | ||
| 210 | $QEMU_IO -c "write -P 0x11 71k 1k" "$TEST_IMG.base" | _filter_qemu_io | |
| 211 | $QEMU_IO -c "write -z 67k 2k" "$TEST_IMG" | _filter_qemu_io | |
| 212 | $QEMU_IO -c "read -P 0 64k 7k" "$TEST_IMG" | _filter_qemu_io | |
| 213 | $QEMU_IO -c "read -P 0x11 71k 1k" "$TEST_IMG" | _filter_qemu_io | |
| 214 | ||
| 215 | $QEMU_IMG map --output=json "$TEST_IMG" | _filter_qemu_img_map | |
| 216 | ||
| 217 | echo | |
| 218 | echo == spanning two clusters, partially overwriting backing file == | |
| 219 | ||
| 220 | CLUSTER_SIZE=512 TEST_IMG="$TEST_IMG.base" _make_test_img $size | |
| 221 | _make_test_img -b "$TEST_IMG.base" | |
| 222 | ||
| 223 | # Backing file: -- -- XX XX | XX XX -- -- | |
| 224 | # Active layer: -- -- XX 00 | 00 XX -- -- | |
| 225 | ||
| 226 | $QEMU_IO -c "write -P 0x11 2k 4k" "$TEST_IMG.base" | _filter_qemu_io | |
| 227 | $QEMU_IO -c "write -z 3k 2k" "$TEST_IMG" | _filter_qemu_io | |
| 228 | $QEMU_IO -c "read -P 0 0k 2k" "$TEST_IMG" | _filter_qemu_io | |
| 229 | $QEMU_IO -c "read -P 0x11 2k 1k" "$TEST_IMG" | _filter_qemu_io | |
| 230 | $QEMU_IO -c "read -P 0 3k 2k" "$TEST_IMG" | _filter_qemu_io | |
| 231 | $QEMU_IO -c "read -P 0x11 5k 1k" "$TEST_IMG" | _filter_qemu_io | |
| 232 | $QEMU_IO -c "read -P 0 6k 2k" "$TEST_IMG" | _filter_qemu_io | |
| 233 | ||
| 234 | $QEMU_IMG map --output=json "$TEST_IMG" | _filter_qemu_img_map | |
| 235 | ||
| 236 | echo | |
| 237 | echo == spanning multiple clusters, non-zero in first cluster == | |
| 238 | ||
| 239 | CLUSTER_SIZE=512 TEST_IMG="$TEST_IMG.base" _make_test_img $size | |
| 240 | _make_test_img -b "$TEST_IMG.base" | |
| 241 | ||
| 242 | # Backing file: 64k: XX XX -- -- | -- -- -- -- | -- -- -- -- | |
| 243 | # Active layer: 64k: XX XX 00 00 | 00 00 00 00 | 00 -- -- -- | |
| 244 | ||
| 245 | $QEMU_IO -c "write -P 0x11 64k 2k" "$TEST_IMG.base" | _filter_qemu_io | |
| 246 | $QEMU_IO -c "write -z 66k 7k" "$TEST_IMG" | _filter_qemu_io | |
| 247 | $QEMU_IO -c "read -P 0x11 64k 2k" "$TEST_IMG" | _filter_qemu_io | |
| 248 | $QEMU_IO -c "read -P 0 66k 10k" "$TEST_IMG" | _filter_qemu_io | |
| 249 | ||
| 250 | $QEMU_IMG map --output=json "$TEST_IMG" | _filter_qemu_img_map | |
| 251 | ||
| 252 | echo | |
| 253 | echo == spanning multiple clusters, non-zero in intermediate cluster == | |
| 254 | ||
| 255 | CLUSTER_SIZE=512 TEST_IMG="$TEST_IMG.base" _make_test_img $size | |
| 256 | _make_test_img -b "$TEST_IMG.base" | |
| 257 | ||
| 258 | # Backing file: 64k: -- -- -- -- | -- XX XX -- | -- -- -- -- | |
| 259 | # Active layer: 64k: -- -- 00 00 | 00 00 00 00 | 00 -- -- -- | |
| 260 | ||
| 261 | $QEMU_IO -c "write -P 0x11 69k 2k" "$TEST_IMG.base" | _filter_qemu_io | |
| 262 | $QEMU_IO -c "write -z 66k 7k" "$TEST_IMG" | _filter_qemu_io | |
| 263 | $QEMU_IO -c "read -P 0 64k 12k" "$TEST_IMG" | _filter_qemu_io | |
| 264 | ||
| 265 | $QEMU_IMG map --output=json "$TEST_IMG" | _filter_qemu_img_map | |
| 266 | ||
| 267 | echo | |
| 268 | echo == spanning multiple clusters, non-zero in final cluster == | |
| 269 | ||
| 270 | CLUSTER_SIZE=512 TEST_IMG="$TEST_IMG.base" _make_test_img $size | |
| 271 | _make_test_img -b "$TEST_IMG.base" | |
| 272 | ||
| 273 | # Backing file: 64k: -- -- -- -- | -- -- -- -- | -- -- XX XX | |
| 274 | # Active layer: 64k: -- -- 00 00 | 00 00 00 00 | 00 -- XX XX | |
| 275 | ||
| 276 | $QEMU_IO -c "write -P 0x11 74k 2k" "$TEST_IMG.base" | _filter_qemu_io | |
| 277 | $QEMU_IO -c "write -z 66k 7k" "$TEST_IMG" | _filter_qemu_io | |
| 278 | $QEMU_IO -c "read -P 0 64k 10k" "$TEST_IMG" | _filter_qemu_io | |
| 279 | $QEMU_IO -c "read -P 0x11 74k 2k" "$TEST_IMG" | _filter_qemu_io | |
| 280 | ||
| 281 | $QEMU_IMG map --output=json "$TEST_IMG" | _filter_qemu_img_map | |
| 282 | ||
| 283 | echo | |
| 284 | echo == spanning multiple clusters, partially overwriting backing file == | |
| 285 | ||
| 286 | CLUSTER_SIZE=512 TEST_IMG="$TEST_IMG.base" _make_test_img $size | |
| 287 | _make_test_img -b "$TEST_IMG.base" | |
| 288 | ||
| 289 | # Backing file: 64k: -- XX XX XX | XX XX XX XX | XX XX XX -- | |
| 290 | # Active layer: 64k: -- XX 00 00 | 00 00 00 00 | 00 XX XX -- | |
| 291 | ||
| 292 | $QEMU_IO -c "write -P 0x11 65k 10k" "$TEST_IMG.base" | _filter_qemu_io | |
| 293 | $QEMU_IO -c "write -z 66k 7k" "$TEST_IMG" | _filter_qemu_io | |
| 294 | $QEMU_IO -c "read -P 0 64k 1k" "$TEST_IMG" | _filter_qemu_io | |
| 295 | $QEMU_IO -c "read -P 0x11 65k 1k" "$TEST_IMG" | _filter_qemu_io | |
| 296 | $QEMU_IO -c "read -P 0 66k 7k" "$TEST_IMG" | _filter_qemu_io | |
| 297 | $QEMU_IO -c "read -P 0x11 73k 2k" "$TEST_IMG" | _filter_qemu_io | |
| 298 | $QEMU_IO -c "read -P 0 75k 1k" "$TEST_IMG" | _filter_qemu_io | |
| 299 | ||
| 300 | $QEMU_IMG map --output=json "$TEST_IMG" | _filter_qemu_img_map | |
| 301 | ||
| 302 | # success, all done | |
| 303 | echo "*** done" | |
| 304 | rm -f $seq.full | |
| 305 | status=0 |