| 1 | /* |
| 2 | * Copyright (c) 2007 The DragonFly Project. All rights reserved. |
| 3 | * |
| 4 | * This code is derived from software contributed to The DragonFly Project |
| 5 | * by Matthew Dillon <dillon@backplane.com> |
| 6 | * |
| 7 | * Redistribution and use in source and binary forms, with or without |
| 8 | * modification, are permitted provided that the following conditions |
| 9 | * are met: |
| 10 | * |
| 11 | * 1. Redistributions of source code must retain the above copyright |
| 12 | * notice, this list of conditions and the following disclaimer. |
| 13 | * 2. Redistributions in binary form must reproduce the above copyright |
| 14 | * notice, this list of conditions and the following disclaimer in |
| 15 | * the documentation and/or other materials provided with the |
| 16 | * distribution. |
| 17 | * 3. Neither the name of The DragonFly Project nor the names of its |
| 18 | * contributors may be used to endorse or promote products derived |
| 19 | * from this software without specific, prior written permission. |
| 20 | * |
| 21 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 22 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 23 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
| 24 | * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
| 25 | * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
| 26 | * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING, |
| 27 | * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| 28 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
| 29 | * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| 30 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
| 31 | * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 32 | * SUCH DAMAGE. |
| 33 | * |
| 34 | * $DragonFly: src/sbin/hammer/hammer.c,v 1.44 2008/11/13 02:04:27 dillon Exp $ |
| 35 | */ |
| 36 | |
| 37 | #include "hammer.h" |
| 38 | #include <signal.h> |
| 39 | #include <math.h> |
| 40 | #include <fstab.h> |
| 41 | |
| 42 | static void hammer_parsedevs(const char *blkdevs); |
| 43 | static void sigalrm(int signo); |
| 44 | static void sigintr(int signo); |
| 45 | static void usage(int exit_code); |
| 46 | |
| 47 | int RecurseOpt; |
| 48 | int VerboseOpt; |
| 49 | int QuietOpt; |
| 50 | int NoSyncOpt; |
| 51 | int TwoWayPipeOpt; |
| 52 | int TimeoutOpt; |
| 53 | int DelayOpt = 5; |
| 54 | char *SshPort; |
| 55 | int ForceYesOpt = 0; |
| 56 | int ForceOpt; |
| 57 | int RunningIoctl; |
| 58 | int DidInterrupt; |
| 59 | int BulkOpt; |
| 60 | u_int64_t BandwidthOpt; |
| 61 | const char *CyclePath; |
| 62 | const char *LinkPath; |
| 63 | |
| 64 | int |
| 65 | main(int ac, char **av) |
| 66 | { |
| 67 | char *blkdevs = NULL; |
| 68 | char *ptr; |
| 69 | u_int32_t status; |
| 70 | int ch; |
| 71 | int cacheSize = 0; |
| 72 | |
| 73 | while ((ch = getopt(ac, av, "b:c:dhf:i:p:qrs:t:v2yBC:F")) != -1) { |
| 74 | switch(ch) { |
| 75 | case '2': |
| 76 | TwoWayPipeOpt = 1; |
| 77 | break; |
| 78 | case 'y': |
| 79 | ForceYesOpt = 1; |
| 80 | break; |
| 81 | case 'b': |
| 82 | BandwidthOpt = strtoull(optarg, &ptr, 0); |
| 83 | switch(*ptr) { |
| 84 | case 'g': |
| 85 | case 'G': |
| 86 | BandwidthOpt *= 1024; |
| 87 | /* fall through */ |
| 88 | case 'm': |
| 89 | case 'M': |
| 90 | BandwidthOpt *= 1024; |
| 91 | /* fall through */ |
| 92 | case 'k': |
| 93 | case 'K': |
| 94 | BandwidthOpt *= 1024; |
| 95 | break; |
| 96 | case '\0': |
| 97 | /* bytes per second if no suffix */ |
| 98 | break; |
| 99 | default: |
| 100 | usage(1); |
| 101 | } |
| 102 | break; |
| 103 | case 'c': |
| 104 | CyclePath = optarg; |
| 105 | break; |
| 106 | case 'd': |
| 107 | ++DebugOpt; |
| 108 | break; |
| 109 | case 'h': |
| 110 | usage(0); |
| 111 | /* not reached */ |
| 112 | case 'i': |
| 113 | DelayOpt = strtol(optarg, NULL, 0); |
| 114 | break; |
| 115 | case 'p': |
| 116 | SshPort = optarg; |
| 117 | break; |
| 118 | case 'r': |
| 119 | RecurseOpt = 1; |
| 120 | break; |
| 121 | case 'f': |
| 122 | blkdevs = optarg; |
| 123 | break; |
| 124 | case 's': |
| 125 | LinkPath = optarg; |
| 126 | break; |
| 127 | case 't': |
| 128 | TimeoutOpt = strtol(optarg, NULL, 0); |
| 129 | break; |
| 130 | case 'v': |
| 131 | if (QuietOpt > 0) |
| 132 | --QuietOpt; |
| 133 | else |
| 134 | ++VerboseOpt; |
| 135 | break; |
| 136 | case 'q': |
| 137 | if (VerboseOpt > 0) |
| 138 | --VerboseOpt; |
| 139 | else |
| 140 | ++QuietOpt; |
| 141 | break; |
| 142 | case 'B': |
| 143 | BulkOpt = 1; |
| 144 | break; |
| 145 | case 'C': |
| 146 | cacheSize = strtol(optarg, &ptr, 0); |
| 147 | switch(*ptr) { |
| 148 | case 'm': |
| 149 | case 'M': |
| 150 | cacheSize *= 1024; |
| 151 | /* fall through */ |
| 152 | case 'k': |
| 153 | case 'K': |
| 154 | cacheSize *= 1024; |
| 155 | ++ptr; |
| 156 | break; |
| 157 | case '\0': |
| 158 | case ':': |
| 159 | /* bytes if no suffix */ |
| 160 | break; |
| 161 | default: |
| 162 | usage(1); |
| 163 | } |
| 164 | if (*ptr == ':') { |
| 165 | UseReadAhead = strtol(ptr + 1, NULL, 0); |
| 166 | UseReadBehind = -UseReadAhead; |
| 167 | } |
| 168 | if (cacheSize < 1024 * 1024) |
| 169 | cacheSize = 1024 * 1024; |
| 170 | if (UseReadAhead < 0) |
| 171 | usage(1); |
| 172 | if (UseReadAhead * HAMMER_BUFSIZE / cacheSize / 16) { |
| 173 | UseReadAhead = cacheSize / 16 / HAMMER_BUFSIZE; |
| 174 | UseReadBehind = -UseReadAhead; |
| 175 | } |
| 176 | hammer_cache_set(cacheSize); |
| 177 | break; |
| 178 | case 'F': |
| 179 | ForceOpt = 1; |
| 180 | break; |
| 181 | default: |
| 182 | usage(1); |
| 183 | /* not reached */ |
| 184 | } |
| 185 | } |
| 186 | ac -= optind; |
| 187 | av += optind; |
| 188 | if (ac < 1) { |
| 189 | usage(1); |
| 190 | /* not reached */ |
| 191 | } |
| 192 | |
| 193 | signal(SIGALRM, sigalrm); |
| 194 | signal(SIGINT, sigintr); |
| 195 | |
| 196 | if (strcmp(av[0], "synctid") == 0) { |
| 197 | hammer_cmd_synctid(av + 1, ac - 1); |
| 198 | exit(0); |
| 199 | } |
| 200 | if (strcmp(av[0], "namekey2") == 0) { |
| 201 | int64_t key; |
| 202 | int32_t crcx; |
| 203 | int len; |
| 204 | const char *aname = av[1]; |
| 205 | |
| 206 | if (aname == NULL) |
| 207 | usage(1); |
| 208 | len = strlen(aname); |
| 209 | key = (u_int32_t)crc32(aname, len) & 0xFFFFFFFEU; |
| 210 | |
| 211 | switch(len) { |
| 212 | default: |
| 213 | crcx = crc32(aname + 3, len - 5); |
| 214 | crcx = crcx ^ (crcx >> 6) ^ (crcx >> 12); |
| 215 | key |= (int64_t)(crcx & 0x3F) << 42; |
| 216 | /* fall through */ |
| 217 | case 5: |
| 218 | case 4: |
| 219 | /* fall through */ |
| 220 | case 3: |
| 221 | key |= ((int64_t)(aname[2] & 0x1F) << 48); |
| 222 | /* fall through */ |
| 223 | case 2: |
| 224 | key |= ((int64_t)(aname[1] & 0x1F) << 53) | |
| 225 | ((int64_t)(aname[len-2] & 0x1F) << 37); |
| 226 | /* fall through */ |
| 227 | case 1: |
| 228 | key |= ((int64_t)(aname[0] & 0x1F) << 58) | |
| 229 | ((int64_t)(aname[len-1] & 0x1F) << 32); |
| 230 | /* fall through */ |
| 231 | case 0: |
| 232 | break; |
| 233 | } |
| 234 | if (key == 0) |
| 235 | key |= 0x100000000LL; |
| 236 | printf("0x%016jx\n", (uintmax_t)key); |
| 237 | exit(0); |
| 238 | } |
| 239 | if (strcmp(av[0], "namekey1") == 0) { |
| 240 | int64_t key; |
| 241 | |
| 242 | if (av[1] == NULL) |
| 243 | usage(1); |
| 244 | key = (int64_t)(crc32(av[1], strlen(av[1])) & 0x7FFFFFFF) << 32; |
| 245 | if (key == 0) |
| 246 | key |= 0x100000000LL; |
| 247 | printf("0x%016jx\n", (uintmax_t)key); |
| 248 | exit(0); |
| 249 | } |
| 250 | if (strcmp(av[0], "namekey32") == 0) { |
| 251 | int32_t key; |
| 252 | |
| 253 | if (av[1] == NULL) |
| 254 | usage(1); |
| 255 | key = crc32(av[1], strlen(av[1])) & 0x7FFFFFFF; |
| 256 | if (key == 0) |
| 257 | ++key; |
| 258 | printf("0x%08x\n", key); |
| 259 | exit(0); |
| 260 | } |
| 261 | if (strcmp(av[0], "pfs-status") == 0) { |
| 262 | hammer_cmd_pseudofs_status(av + 1, ac - 1); |
| 263 | exit(0); |
| 264 | } |
| 265 | if (strcmp(av[0], "pfs-master") == 0) { |
| 266 | hammer_cmd_pseudofs_create(av + 1, ac - 1, 0); |
| 267 | exit(0); |
| 268 | } |
| 269 | if (strcmp(av[0], "pfs-slave") == 0) { |
| 270 | hammer_cmd_pseudofs_create(av + 1, ac - 1, 1); |
| 271 | exit(0); |
| 272 | } |
| 273 | if (strcmp(av[0], "pfs-update") == 0) { |
| 274 | hammer_cmd_pseudofs_update(av + 1, ac - 1); |
| 275 | exit(0); |
| 276 | } |
| 277 | if (strcmp(av[0], "pfs-upgrade") == 0) { |
| 278 | hammer_cmd_pseudofs_upgrade(av + 1, ac - 1); |
| 279 | exit(0); |
| 280 | } |
| 281 | if (strcmp(av[0], "pfs-downgrade") == 0) { |
| 282 | hammer_cmd_pseudofs_downgrade(av + 1, ac - 1); |
| 283 | exit(0); |
| 284 | } |
| 285 | if (strcmp(av[0], "pfs-destroy") == 0) { |
| 286 | hammer_cmd_pseudofs_destroy(av + 1, ac - 1); |
| 287 | exit(0); |
| 288 | } |
| 289 | if (strcmp(av[0], "status") == 0) { |
| 290 | hammer_cmd_status(av + 1, ac - 1); |
| 291 | exit(0); |
| 292 | } |
| 293 | if (strcmp(av[0], "prune") == 0) { |
| 294 | hammer_cmd_softprune(av + 1, ac - 1, 0); |
| 295 | exit(0); |
| 296 | } |
| 297 | if (strcmp(av[0], "config") == 0) { |
| 298 | hammer_cmd_config(av + 1, ac - 1); |
| 299 | exit(0); |
| 300 | } |
| 301 | if (strcmp(av[0], "viconfig") == 0) { |
| 302 | hammer_cmd_viconfig(av + 1, ac - 1); |
| 303 | exit(0); |
| 304 | } |
| 305 | if (strcmp(av[0], "cleanup") == 0) { |
| 306 | hammer_cmd_cleanup(av + 1, ac - 1); |
| 307 | exit(0); |
| 308 | } |
| 309 | if (strcmp(av[0], "info") == 0) { |
| 310 | hammer_cmd_info(); |
| 311 | exit(0); |
| 312 | } |
| 313 | if (strcmp(av[0], "prune-everything") == 0) { |
| 314 | hammer_cmd_softprune(av + 1, ac - 1, 1); |
| 315 | exit(0); |
| 316 | } |
| 317 | if (strcmp(av[0], "snap") == 0) { |
| 318 | hammer_cmd_snap(av + 1, ac - 1, 0, 1); |
| 319 | exit(0); |
| 320 | } |
| 321 | if (strcmp(av[0], "snaplo") == 0) { |
| 322 | hammer_cmd_snap(av + 1, ac - 1, 0, 0); |
| 323 | exit(0); |
| 324 | } |
| 325 | if (strcmp(av[0], "snapq") == 0) { |
| 326 | hammer_cmd_snap(av + 1, ac - 1, 1, 0); |
| 327 | exit(0); |
| 328 | } |
| 329 | if (strcmp(av[0], "snapls") == 0) { |
| 330 | hammer_cmd_snapls(av + 1, ac - 1); |
| 331 | exit(0); |
| 332 | } |
| 333 | if (strcmp(av[0], "snaprm") == 0) { |
| 334 | hammer_cmd_snaprm(av + 1, ac - 1); |
| 335 | exit(0); |
| 336 | } |
| 337 | if (strcmp(av[0], "snapshot") == 0) { |
| 338 | hammer_cmd_snapshot(av + 1, ac - 1); |
| 339 | exit(0); |
| 340 | } |
| 341 | if (strcmp(av[0], "bstats") == 0) { |
| 342 | hammer_cmd_bstats(av + 1, ac - 1); |
| 343 | exit(0); |
| 344 | } |
| 345 | if (strcmp(av[0], "iostats") == 0) { |
| 346 | hammer_cmd_iostats(av + 1, ac - 1); |
| 347 | exit(0); |
| 348 | } |
| 349 | |
| 350 | if (strncmp(av[0], "history", 7) == 0) { |
| 351 | hammer_cmd_history(av[0] + 7, av + 1, ac - 1); |
| 352 | exit(0); |
| 353 | } |
| 354 | if (strcmp(av[0], "rebalance") == 0) { |
| 355 | signal(SIGINT, sigalrm); |
| 356 | hammer_cmd_rebalance(av + 1, ac - 1); |
| 357 | exit(0); |
| 358 | } |
| 359 | if (strncmp(av[0], "reblock", 7) == 0) { |
| 360 | signal(SIGINT, sigalrm); |
| 361 | if (strcmp(av[0], "reblock") == 0) |
| 362 | hammer_cmd_reblock(av + 1, ac - 1, -1); |
| 363 | else if (strcmp(av[0], "reblock-btree") == 0) |
| 364 | hammer_cmd_reblock(av + 1, ac - 1, HAMMER_IOC_DO_BTREE); |
| 365 | else if (strcmp(av[0], "reblock-inodes") == 0) |
| 366 | hammer_cmd_reblock(av + 1, ac - 1, HAMMER_IOC_DO_INODES); |
| 367 | else if (strcmp(av[0], "reblock-dirs") == 0) |
| 368 | hammer_cmd_reblock(av + 1, ac - 1, HAMMER_IOC_DO_DIRS); |
| 369 | else if (strcmp(av[0], "reblock-data") == 0) |
| 370 | hammer_cmd_reblock(av + 1, ac - 1, HAMMER_IOC_DO_DATA); |
| 371 | else |
| 372 | usage(1); |
| 373 | exit(0); |
| 374 | } |
| 375 | if (strncmp(av[0], "mirror", 6) == 0) { |
| 376 | if (strcmp(av[0], "mirror-read") == 0) |
| 377 | hammer_cmd_mirror_read(av + 1, ac - 1, 0); |
| 378 | else if (strcmp(av[0], "mirror-read-stream") == 0) |
| 379 | hammer_cmd_mirror_read(av + 1, ac - 1, 1); |
| 380 | else if (strcmp(av[0], "mirror-write") == 0) |
| 381 | hammer_cmd_mirror_write(av + 1, ac - 1); |
| 382 | else if (strcmp(av[0], "mirror-copy") == 0) |
| 383 | hammer_cmd_mirror_copy(av + 1, ac - 1, 0); |
| 384 | else if (strcmp(av[0], "mirror-stream") == 0) |
| 385 | hammer_cmd_mirror_copy(av + 1, ac - 1, 1); |
| 386 | else if (strcmp(av[0], "mirror-dump") == 0) |
| 387 | hammer_cmd_mirror_dump(); |
| 388 | else |
| 389 | usage(1); |
| 390 | exit(0); |
| 391 | } |
| 392 | if (strcmp(av[0], "version") == 0) { |
| 393 | hammer_cmd_get_version(av + 1, ac - 1); |
| 394 | exit(0); |
| 395 | } |
| 396 | if (strcmp(av[0], "version-upgrade") == 0) { |
| 397 | hammer_cmd_set_version(av + 1, ac - 1); |
| 398 | exit(0); |
| 399 | } |
| 400 | if (strcmp(av[0], "volume-add") == 0) { |
| 401 | hammer_cmd_volume_add(av + 1, ac - 1); |
| 402 | exit(0); |
| 403 | } |
| 404 | if (strcmp(av[0], "volume-del") == 0) { |
| 405 | hammer_cmd_volume_del(av + 1, ac - 1); |
| 406 | exit(0); |
| 407 | } |
| 408 | |
| 409 | uuid_name_lookup(&Hammer_FSType, "DragonFly HAMMER", &status); |
| 410 | if (status != uuid_s_ok) { |
| 411 | errx(1, "uuids file does not have the DragonFly " |
| 412 | "HAMMER filesystem type"); |
| 413 | } |
| 414 | |
| 415 | if (strcmp(av[0], "show") == 0) { |
| 416 | u_int32_t lo = 0; |
| 417 | intmax_t obj_id = (int64_t)HAMMER_MIN_OBJID; |
| 418 | |
| 419 | hammer_parsedevs(blkdevs); |
| 420 | if (ac > 1) |
| 421 | sscanf(av[1], "%08x:%jx", &lo, &obj_id); |
| 422 | hammer_cmd_show(-1, lo, (int64_t)obj_id, 0, NULL, NULL); |
| 423 | exit(0); |
| 424 | } |
| 425 | if (strcmp(av[0], "show-undo") == 0) { |
| 426 | hammer_parsedevs(blkdevs); |
| 427 | hammer_cmd_show_undo(); |
| 428 | exit(0); |
| 429 | } |
| 430 | if (strcmp(av[0], "blockmap") == 0) { |
| 431 | hammer_parsedevs(blkdevs); |
| 432 | hammer_cmd_blockmap(); |
| 433 | exit(0); |
| 434 | } |
| 435 | usage(1); |
| 436 | /* not reached */ |
| 437 | return(0); |
| 438 | } |
| 439 | |
| 440 | /* |
| 441 | * Parse the device specification. |
| 442 | * |
| 443 | * Multi-volume hammer devices are colon-separated. Each element |
| 444 | * may be further expanded via /etc/devtab. One may also specify |
| 445 | * a single element which is expanded into multiple elements via |
| 446 | * /etc/devtab. |
| 447 | */ |
| 448 | static |
| 449 | void |
| 450 | hammer_parsedevs(const char *blkdevs) |
| 451 | { |
| 452 | char *copy; |
| 453 | char *volname; |
| 454 | |
| 455 | if (blkdevs == NULL) { |
| 456 | errx(1, "A -f blkdevs specification is required " |
| 457 | "for this command"); |
| 458 | } |
| 459 | |
| 460 | copy = strdup(blkdevs); |
| 461 | while ((volname = copy) != NULL) { |
| 462 | if ((copy = strchr(copy, ':')) != NULL) |
| 463 | *copy++ = 0; |
| 464 | volname = getdevpath(volname, 0); |
| 465 | if (strchr(volname, ':')) |
| 466 | hammer_parsedevs(volname); |
| 467 | else |
| 468 | setup_volume(-1, volname, 0, O_RDONLY); |
| 469 | } |
| 470 | } |
| 471 | |
| 472 | static |
| 473 | void |
| 474 | sigalrm(int signo __unused) |
| 475 | { |
| 476 | /* do nothing (interrupts HAMMER ioctl) */ |
| 477 | } |
| 478 | |
| 479 | static |
| 480 | void |
| 481 | sigintr(int signo __unused) |
| 482 | { |
| 483 | if (RunningIoctl == 0) |
| 484 | _exit(1); |
| 485 | DidInterrupt = 1; |
| 486 | /* do nothing (interrupts HAMMER ioctl) */ |
| 487 | } |
| 488 | |
| 489 | static |
| 490 | void |
| 491 | usage(int exit_code) |
| 492 | { |
| 493 | fprintf(stderr, |
| 494 | "hammer -h\n" |
| 495 | "hammer [-2Bqrvy] [-b bandwidth] [-C cachesize[:readahead]] [-c cyclefile]\n" |
| 496 | " [-f blkdevs] [-i delay] [-t seconds] command [argument ...]\n" |
| 497 | "hammer synctid <filesystem> [quick]\n" |
| 498 | "hammer -f blkdevs blockmap\n" |
| 499 | "hammer bstats [interval]\n" |
| 500 | "hammer iostats [interval]\n" |
| 501 | "hammer history[@offset[,len]] <file> ...\n" |
| 502 | "hammer -f blkdevs [-qqq] show [lo:objid]\n" |
| 503 | "hammer namekey1 <path>\n" |
| 504 | "hammer namekey2 <path>\n" |
| 505 | "hammer namekey32 <path>\n" |
| 506 | "hammer cleanup [<filesystem> ...]\n" |
| 507 | "hammer info\n" |
| 508 | "hammer snapshot [<filesystem>] <snapshot-dir>\n" |
| 509 | "hammer snapshot <filesystem> <snapshot-dir> [<note>]\n" |
| 510 | "hammer prune <softlink-dir>\n" |
| 511 | "hammer prune-everything <filesystem>\n" |
| 512 | "hammer rebalance <filesystem> [saturation_percentage]\n" |
| 513 | "hammer reblock[-btree|-inodes|-dirs|-data] " |
| 514 | "<filesystem> [fill_percentage]\n" |
| 515 | "hammer pfs-status <dirpath> ...\n" |
| 516 | "hammer pfs-master <dirpath> [options]\n" |
| 517 | "hammer pfs-slave <dirpath> [options]\n" |
| 518 | "hammer pfs-update <dirpath> [options]\n" |
| 519 | "hammer pfs-upgrade <dirpath>\n" |
| 520 | "hammer pfs-downgrade <dirpath>\n" |
| 521 | "hammer pfs-destroy <dirpath>\n" |
| 522 | "hammer mirror-read <filesystem> [begin-tid]\n" |
| 523 | "hammer mirror-read-stream <filesystem> [begin-tid]\n" |
| 524 | "hammer mirror-write <filesystem>\n" |
| 525 | "hammer mirror-dump\n" |
| 526 | "hammer mirror-copy [[user@]host:]<filesystem>" |
| 527 | " [[user@]host:]<filesystem>\n" |
| 528 | "hammer mirror-stream [[user@]host:]<filesystem>" |
| 529 | " [[user@]host:]<filesystem>\n" |
| 530 | "hammer version <filesystem>\n" |
| 531 | "hammer version-upgrade <filesystem> <version> [force]\n" |
| 532 | "hammer volume-add <device> <filesystem>\n" |
| 533 | "hammer volume-del <device> <filesystem>\n" |
| 534 | ); |
| 535 | |
| 536 | fprintf(stderr, "\nHAMMER utility version 3+ commands:\n"); |
| 537 | |
| 538 | fprintf(stderr, |
| 539 | "hammer config [<filesystem> [<configfile>]]\n" |
| 540 | "hammer viconfig [<filesystem>]\n" |
| 541 | "hammer snap <path> [<note>]\n" |
| 542 | "hammer snaplo <path> [<note>]\n" |
| 543 | "hammer snapq <dir> [<note>]\n" |
| 544 | "hammer snaprm {<path> | <transid>} ...\n" |
| 545 | "hammer snapls [<path> ...]\n" |
| 546 | ); |
| 547 | |
| 548 | fprintf(stderr, "\nHAMMER utility version 4+ commands:\n"); |
| 549 | |
| 550 | fprintf(stderr, |
| 551 | "hammer -f blkdevs show-undo\n" |
| 552 | ); |
| 553 | |
| 554 | exit(exit_code); |
| 555 | } |
| 556 | |