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Commit | Line | Data |
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64c4757e | 1 | /* |
9a9dab36 | 2 | * mdadm - manage Linux "md" devices aka RAID arrays. |
64c4757e | 3 | * |
e736b623 | 4 | * Copyright (C) 2001-2009 Neil Brown <neilb@suse.de> |
64c4757e NB |
5 | * |
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, write to the Free Software | |
19 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
20 | * | |
21 | * Author: Neil Brown | |
e736b623 | 22 | * Email: <neilb@suse.de> |
c82f047c | 23 | * |
aba69144 | 24 | * Additions for bitmap and write-behind RAID options, Copyright (C) 2003-2004, |
c82f047c | 25 | * Paul Clements, SteelEye Technology, Inc. |
64c4757e NB |
26 | */ |
27 | ||
9a9dab36 | 28 | #include "mdadm.h" |
64c4757e | 29 | #include "md_p.h" |
dd0781e5 | 30 | #include <ctype.h> |
64c4757e | 31 | |
dd0781e5 | 32 | |
52826846 NB |
33 | int main(int argc, char *argv[]) |
34 | { | |
e0d19036 | 35 | int mode = 0; |
52826846 | 36 | int opt; |
e0d19036 | 37 | int option_index; |
52826846 NB |
38 | char *c; |
39 | int rv; | |
f9ce90ba | 40 | int i; |
52826846 NB |
41 | |
42 | int chunk = 0; | |
5dd497ee | 43 | long long size = -1; |
84e11361 | 44 | long long array_size = -1; |
98c6faba NB |
45 | int level = UnSet; |
46 | int layout = UnSet; | |
19678e53 | 47 | char *layout_str = NULL; |
52826846 | 48 | int raiddisks = 0; |
e27d562b | 49 | int max_disks = MD_SB_DISKS; /* just a default */ |
52826846 NB |
50 | int sparedisks = 0; |
51 | struct mddev_ident_s ident; | |
52 | char *configfile = NULL; | |
cd29a5c8 | 53 | char *cp; |
5787fa49 | 54 | char *update = NULL; |
52826846 NB |
55 | int scan = 0; |
56 | char devmode = 0; | |
57 | int runstop = 0; | |
58 | int readonly = 0; | |
dfd4d8ee | 59 | int write_behind = 0; |
c82f047c NB |
60 | int bitmap_fd = -1; |
61 | char *bitmap_file = NULL; | |
06b0d786 | 62 | char *backup_file = NULL; |
c82f047c | 63 | int bitmap_chunk = UnSet; |
bd526cee | 64 | int SparcAdjust = 0; |
cd29a5c8 NB |
65 | mddev_dev_t devlist = NULL; |
66 | mddev_dev_t *devlistend = & devlist; | |
67 | mddev_dev_t dv; | |
52826846 NB |
68 | int devs_found = 0; |
69 | int verbose = 0; | |
dab6685f | 70 | int quiet = 0; |
cd29a5c8 | 71 | int brief = 0; |
52826846 | 72 | int force = 0; |
feb716e9 | 73 | int test = 0; |
54bad364 | 74 | int export = 0; |
dd0781e5 | 75 | int assume_clean = 0; |
38098016 | 76 | char *symlinks = NULL; |
f1ae21c4 NB |
77 | /* autof indicates whether and how to create device node. |
78 | * bottom 3 bits are style. Rest (when shifted) are number of parts | |
79 | * 0 - unset | |
80 | * 1 - don't create (no) | |
81 | * 2 - if is_standard, then create (yes) | |
82 | * 3 - create as 'md' - reject is_standard mdp (md) | |
83 | * 4 - create as 'mdp' - reject is_standard md (mdp) | |
84 | * 5 - default to md if not is_standard (md in config file) | |
85 | * 6 - default to mdp if not is_standard (part, or mdp in config file) | |
86 | */ | |
87 | int autof = 0; | |
52826846 | 88 | |
997aed5d | 89 | char *homehost = NULL; |
05697ec1 | 90 | char sys_hostname[256]; |
0ac91628 | 91 | int require_homehost = 1; |
52826846 NB |
92 | char *mailaddr = NULL; |
93 | char *program = NULL; | |
9a36a9b7 | 94 | int increments = 20; |
52826846 | 95 | int delay = 0; |
d013a55e | 96 | int daemonise = 0; |
b5e64645 | 97 | char *pidfile = NULL; |
aa88f531 | 98 | int oneshot = 0; |
82d9eba6 | 99 | struct supertype *ss = NULL; |
dfd4d8ee | 100 | int writemostly = 0; |
fe80f49b | 101 | int re_add = 0; |
c06487ce | 102 | char *shortopt = short_options; |
773135f5 | 103 | int dosyslog = 0; |
8382f19b | 104 | int rebuild_map = 0; |
589395d6 | 105 | int auto_update_home = 0; |
52826846 | 106 | |
3d4064cc | 107 | int print_help = 0; |
0047d254 | 108 | FILE *outf; |
e5329c37 | 109 | |
52826846 NB |
110 | int mdfd = -1; |
111 | ||
dfe47e00 NB |
112 | srandom(time(0) ^ getpid()); |
113 | ||
52826846 | 114 | ident.uuid_set=0; |
98c6faba NB |
115 | ident.level = UnSet; |
116 | ident.raid_disks = UnSet; | |
117 | ident.super_minor= UnSet; | |
52826846 | 118 | ident.devices=0; |
a75f2fbc NB |
119 | ident.spare_group = NULL; |
120 | ident.autof = 0; | |
a825febc | 121 | ident.st = NULL; |
c82f047c | 122 | ident.bitmap_fd = -1; |
7ef02d01 | 123 | ident.bitmap_file = NULL; |
947fd4dd | 124 | ident.name[0] = 0; |
aef35714 N |
125 | ident.container = NULL; |
126 | ident.member = NULL; | |
52826846 | 127 | |
e0d19036 NB |
128 | while ((option_index = -1) , |
129 | (opt=getopt_long(argc, argv, | |
c06487ce | 130 | shortopt, long_options, |
e0d19036 NB |
131 | &option_index)) != -1) { |
132 | int newmode = mode; | |
35904960 | 133 | /* firstly, some mode-independent options */ |
52826846 | 134 | switch(opt) { |
52826846 | 135 | case 'h': |
aba69144 | 136 | if (option_index > 0 && |
56eedc1a | 137 | strcmp(long_options[option_index].name, "help-options")==0) |
3d4064cc | 138 | print_help = 2; |
56eedc1a | 139 | else |
3d4064cc NB |
140 | print_help = 1; |
141 | continue; | |
52826846 NB |
142 | |
143 | case 'V': | |
144 | fputs(Version, stderr); | |
145 | exit(0); | |
146 | ||
22892d56 | 147 | case 'v': verbose++; |
52826846 NB |
148 | continue; |
149 | ||
dab6685f NB |
150 | case 'q': quiet++; |
151 | continue; | |
152 | ||
c82f047c | 153 | case 'b': |
f5e166fe | 154 | if (mode == ASSEMBLE || mode == BUILD || mode == CREATE || mode == GROW) |
c82f047c NB |
155 | break; /* b means bitmap */ |
156 | brief = 1; | |
c06487ce NB |
157 | if (optarg) { |
158 | fprintf(stderr, Name ": -b cannot have any extra immediately after it, sorry.\n"); | |
159 | exit(2); | |
160 | } | |
cd29a5c8 NB |
161 | continue; |
162 | ||
54bad364 KS |
163 | case 'Y': export++; |
164 | continue; | |
165 | ||
997aed5d | 166 | case HomeHost: |
0ac91628 N |
167 | if (strcasecmp(optarg, "<ignore>") == 0) |
168 | require_homehost = 0; | |
169 | else | |
170 | homehost = optarg; | |
997aed5d NB |
171 | continue; |
172 | ||
e0d19036 NB |
173 | case ':': |
174 | case '?': | |
175 | fputs(Usage, stderr); | |
176 | exit(2); | |
177 | } | |
178 | /* second, figure out the mode. | |
179 | * Some options force the mode. Others | |
aba69144 | 180 | * set the mode if it isn't already |
e0d19036 NB |
181 | */ |
182 | ||
183 | switch(opt) { | |
184 | case '@': /* just incase they say --manage */ | |
c06487ce | 185 | newmode = MANAGE; |
024768c4 | 186 | shortopt = short_bitmap_options; |
c06487ce | 187 | break; |
e0d19036 NB |
188 | case 'a': |
189 | case 'r': | |
190 | case 'f': | |
41a3b72a | 191 | case ReAdd: /* re-add */ |
c06487ce NB |
192 | if (!mode) { |
193 | newmode = MANAGE; | |
024768c4 | 194 | shortopt = short_bitmap_options; |
c06487ce | 195 | } |
0320ea45 | 196 | break; |
e0d19036 | 197 | |
c06487ce NB |
198 | case 'A': newmode = ASSEMBLE; shortopt = short_bitmap_auto_options; break; |
199 | case 'B': newmode = BUILD; shortopt = short_bitmap_auto_options; break; | |
200 | case 'C': newmode = CREATE; shortopt = short_bitmap_auto_options; break; | |
e0d19036 | 201 | case 'F': newmode = MONITOR;break; |
024768c4 DL |
202 | case 'G': newmode = GROW; |
203 | shortopt = short_bitmap_options; | |
204 | break; | |
95b79df0 DW |
205 | case 'I': newmode = INCREMENTAL; |
206 | shortopt = short_bitmap_auto_options; break; | |
1f48664b NB |
207 | case AutoDetect: |
208 | newmode = AUTODETECT; break; | |
e0d19036 NB |
209 | |
210 | case '#': | |
211 | case 'D': | |
212 | case 'E': | |
c82f047c | 213 | case 'X': |
e0d19036 NB |
214 | case 'Q': newmode = MISC; break; |
215 | case 'R': | |
216 | case 'S': | |
217 | case 'o': | |
218 | case 'w': | |
b90c0e9a | 219 | case 'W': |
1770662b | 220 | case Waitclean: |
4cce4069 | 221 | case DetailPlatform: |
e0d19036 NB |
222 | case 'K': if (!mode) newmode = MISC; break; |
223 | } | |
224 | if (mode && newmode == mode) { | |
225 | /* everybody happy ! */ | |
226 | } else if (mode && newmode != mode) { | |
227 | /* not allowed.. */ | |
228 | fprintf(stderr, Name ": "); | |
229 | if (option_index >= 0) | |
230 | fprintf(stderr, "--%s", long_options[option_index].name); | |
231 | else | |
232 | fprintf(stderr, "-%c", opt); | |
e6b64cd0 | 233 | fprintf(stderr, " would set mdadm mode to \"%s\", but it is already set to \"%s\".\n", |
e0d19036 NB |
234 | map_num(modes, newmode), |
235 | map_num(modes, mode)); | |
236 | exit(2); | |
237 | } else if (!mode && newmode) { | |
238 | mode = newmode; | |
239 | } else { | |
240 | /* special case of -c --help */ | |
aba69144 | 241 | if (opt == 'c' && |
e0d19036 NB |
242 | ( strncmp(optarg, "--h", 3)==0 || |
243 | strncmp(optarg, "-h", 2)==0)) { | |
0047d254 | 244 | fputs(Help_config, stdout); |
e0d19036 | 245 | exit(0); |
cd29a5c8 | 246 | } |
0320ea45 NB |
247 | |
248 | /* If first option is a device, don't force the mode yet */ | |
249 | if (opt == 1) { | |
250 | if (devs_found == 0) { | |
251 | dv = malloc(sizeof(*dv)); | |
252 | if (dv == NULL) { | |
253 | fprintf(stderr, Name ": malloc failed\n"); | |
254 | exit(3); | |
255 | } | |
256 | dv->devname = optarg; | |
257 | dv->disposition = devmode; | |
dfd4d8ee | 258 | dv->writemostly = writemostly; |
fe80f49b | 259 | dv->re_add = re_add; |
da6b5ca9 | 260 | dv->used = 0; |
9008ed1c | 261 | dv->content = NULL; |
0320ea45 NB |
262 | dv->next = NULL; |
263 | *devlistend = dv; | |
264 | devlistend = &dv->next; | |
aba69144 | 265 | |
0320ea45 NB |
266 | devs_found++; |
267 | continue; | |
268 | } | |
269 | /* No mode yet, and this is the second device ... */ | |
270 | fprintf(stderr, Name ": An option must be given to set the mode before a second device is listed\n"); | |
271 | exit(2); | |
272 | } | |
e0d19036 | 273 | if (option_index >= 0) |
0320ea45 | 274 | fprintf(stderr, Name ": --%s", long_options[option_index].name); |
e0d19036 | 275 | else |
0320ea45 NB |
276 | fprintf(stderr, Name ": -%c", opt); |
277 | fprintf(stderr, " does not set the mode, and so cannot be the first option.\n"); | |
e0d19036 NB |
278 | exit(2); |
279 | } | |
280 | ||
281 | /* if we just set the mode, then done */ | |
282 | switch(opt) { | |
283 | case '@': | |
284 | case '#': | |
285 | case 'A': | |
286 | case 'B': | |
287 | case 'C': | |
288 | case 'F': | |
dd0781e5 | 289 | case 'G': |
8382f19b | 290 | case 'I': |
1f48664b | 291 | case AutoDetect: |
e0d19036 NB |
292 | continue; |
293 | } | |
294 | if (opt == 1) { | |
295 | /* an undecorated option - must be a device name. | |
296 | */ | |
cd29a5c8 | 297 | if (devs_found > 0 && mode == '@' && !devmode) { |
dd0781e5 | 298 | fprintf(stderr, Name ": Must give one of -a/-r/-f for subsequent devices at %s\n", optarg); |
52826846 NB |
299 | exit(2); |
300 | } | |
e5329c37 NB |
301 | if (devs_found > 0 && mode == 'G' && !devmode) { |
302 | fprintf(stderr, Name ": Must give one of -a for devices do add: %s\n", optarg); | |
303 | exit(2); | |
304 | } | |
cd29a5c8 NB |
305 | dv = malloc(sizeof(*dv)); |
306 | if (dv == NULL) { | |
307 | fprintf(stderr, Name ": malloc failed\n"); | |
308 | exit(3); | |
309 | } | |
310 | dv->devname = optarg; | |
311 | dv->disposition = devmode; | |
dfd4d8ee | 312 | dv->writemostly = writemostly; |
fe80f49b | 313 | dv->re_add = re_add; |
9008ed1c N |
314 | dv->used = 0; |
315 | dv->content = NULL; | |
cd29a5c8 NB |
316 | dv->next = NULL; |
317 | *devlistend = dv; | |
318 | devlistend = &dv->next; | |
aba69144 | 319 | |
52826846 NB |
320 | devs_found++; |
321 | continue; | |
682c7051 | 322 | } |
682c7051 | 323 | |
52826846 NB |
324 | /* We've got a mode, and opt is now something else which |
325 | * could depend on the mode */ | |
326 | #define O(a,b) ((a<<8)|b) | |
327 | switch (O(mode,opt)) { | |
7236ee7a | 328 | case O(GROW,'c'): |
e0d19036 NB |
329 | case O(CREATE,'c'): |
330 | case O(BUILD,'c'): /* chunk or rounding */ | |
52826846 NB |
331 | if (chunk) { |
332 | fprintf(stderr, Name ": chunk/rounding may only be specified once. " | |
333 | "Second value is %s.\n", optarg); | |
334 | exit(2); | |
335 | } | |
336 | chunk = strtol(optarg, &c, 10); | |
337 | if (!optarg[0] || *c || chunk<4 || ((chunk-1)&chunk)) { | |
338 | fprintf(stderr, Name ": invalid chunk/rounding value: %s\n", | |
339 | optarg); | |
340 | exit(2); | |
341 | } | |
342 | continue; | |
64c4757e | 343 | |
e0fe762a | 344 | #if 0 |
589395d6 NB |
345 | case O(ASSEMBLE,AutoHomeHost): |
346 | auto_update_home = 1; | |
347 | continue; | |
e0fe762a | 348 | #endif |
8382f19b | 349 | case O(INCREMENTAL, 'e'): |
f9ce90ba NB |
350 | case O(CREATE,'e'): |
351 | case O(ASSEMBLE,'e'): | |
352 | case O(MISC,'e'): /* set metadata (superblock) information */ | |
353 | if (ss) { | |
354 | fprintf(stderr, Name ": metadata information already given\n"); | |
355 | exit(2); | |
356 | } | |
aba69144 | 357 | for(i=0; !ss && superlist[i]; i++) |
82d9eba6 NB |
358 | ss = superlist[i]->match_metadata_desc(optarg); |
359 | ||
f9ce90ba NB |
360 | if (!ss) { |
361 | fprintf(stderr, Name ": unrecognised metadata identifier: %s\n", optarg); | |
362 | exit(2); | |
363 | } | |
ea329559 | 364 | max_disks = ss->max_devs; |
f9ce90ba NB |
365 | continue; |
366 | ||
dfd4d8ee NB |
367 | case O(MANAGE,'W'): |
368 | case O(BUILD,'W'): | |
369 | case O(CREATE,'W'): | |
370 | /* set write-mostly for following devices */ | |
371 | writemostly = 1; | |
372 | continue; | |
373 | ||
b3d31955 N |
374 | case O(MANAGE,'w'): |
375 | /* clear write-mostly for following devices */ | |
376 | writemostly = 2; | |
377 | continue; | |
378 | ||
379 | ||
dd0781e5 | 380 | case O(GROW,'z'): |
25affb56 PC |
381 | case O(CREATE,'z'): |
382 | case O(BUILD,'z'): /* size */ | |
dd0781e5 | 383 | if (size >= 0) { |
52826846 NB |
384 | fprintf(stderr, Name ": size may only be specified once. " |
385 | "Second value is %s.\n", optarg); | |
386 | exit(2); | |
387 | } | |
dd0781e5 NB |
388 | if (strcmp(optarg, "max")==0) |
389 | size = 0; | |
390 | else { | |
5f4fc0e1 N |
391 | size = parse_size(optarg); |
392 | if (size < 8) { | |
dd0781e5 NB |
393 | fprintf(stderr, Name ": invalid size: %s\n", |
394 | optarg); | |
395 | exit(2); | |
396 | } | |
5f4fc0e1 N |
397 | /* convert sectors to K */ |
398 | size /= 2; | |
52826846 NB |
399 | } |
400 | continue; | |
64c4757e | 401 | |
84e11361 N |
402 | case O(GROW,'Z'): /* array size */ |
403 | if (array_size >= 0) { | |
404 | fprintf(stderr, Name ": array-size may only be specified once. " | |
405 | "Second value is %s.\n", optarg); | |
406 | exit(2); | |
407 | } | |
408 | if (strcmp(optarg, "max") == 0) | |
409 | array_size = 0; | |
410 | else { | |
411 | array_size = parse_size(optarg); | |
412 | if (array_size <= 0) { | |
413 | fprintf(stderr, Name ": invalid array size: %s\n", | |
414 | optarg); | |
415 | exit(2); | |
416 | } | |
417 | } | |
418 | continue; | |
419 | ||
7236ee7a | 420 | case O(GROW,'l'): |
e0d19036 NB |
421 | case O(CREATE,'l'): |
422 | case O(BUILD,'l'): /* set raid level*/ | |
98c6faba | 423 | if (level != UnSet) { |
52826846 NB |
424 | fprintf(stderr, Name ": raid level may only be set once. " |
425 | "Second value is %s.\n", optarg); | |
426 | exit(2); | |
427 | } | |
428 | level = map_name(pers, optarg); | |
98c6faba | 429 | if (level == UnSet) { |
52826846 NB |
430 | fprintf(stderr, Name ": invalid raid level: %s\n", |
431 | optarg); | |
432 | exit(2); | |
433 | } | |
e0fe762a N |
434 | if (level != 0 && level != LEVEL_LINEAR && level != 1 && |
435 | level != LEVEL_MULTIPATH && level != LEVEL_FAULTY && | |
436 | level != 10 && | |
437 | mode == BUILD) { | |
52826846 NB |
438 | fprintf(stderr, Name ": Raid level %s not permitted with --build.\n", |
439 | optarg); | |
440 | exit(2); | |
441 | } | |
e0d19036 | 442 | if (sparedisks > 0 && level < 1 && level >= -1) { |
b83d95f3 | 443 | fprintf(stderr, Name ": raid level %s is incompatible with spare-devices setting.\n", |
52826846 NB |
444 | optarg); |
445 | exit(2); | |
446 | } | |
cd29a5c8 | 447 | ident.level = level; |
52826846 | 448 | continue; |
64c4757e | 449 | |
19678e53 N |
450 | case O(GROW, 'p'): /* new layout */ |
451 | if (layout_str) { | |
452 | fprintf(stderr,Name ": layout may only be sent once. " | |
453 | "Second value was %s\n", optarg); | |
454 | exit(2); | |
455 | } | |
456 | layout_str = optarg; | |
457 | /* 'Grow' will parse the value */ | |
458 | continue; | |
459 | ||
e0d19036 | 460 | case O(CREATE,'p'): /* raid5 layout */ |
b5e64645 | 461 | case O(BUILD,'p'): /* faulty layout */ |
e5329c37 | 462 | if (layout != UnSet) { |
52826846 NB |
463 | fprintf(stderr,Name ": layout may only be sent once. " |
464 | "Second value was %s\n", optarg); | |
465 | exit(2); | |
466 | } | |
467 | switch(level) { | |
468 | default: | |
56eb10c0 | 469 | fprintf(stderr, Name ": layout not meaningful for %s arrays.\n", |
52826846 NB |
470 | map_num(pers, level)); |
471 | exit(2); | |
98c6faba | 472 | case UnSet: |
52826846 NB |
473 | fprintf(stderr, Name ": raid level must be given before layout.\n"); |
474 | exit(2); | |
475 | ||
476 | case 5: | |
477 | layout = map_name(r5layout, optarg); | |
98c6faba | 478 | if (layout==UnSet) { |
52826846 NB |
479 | fprintf(stderr, Name ": layout %s not understood for raid5.\n", |
480 | optarg); | |
481 | exit(2); | |
482 | } | |
483 | break; | |
b640a252 N |
484 | case 6: |
485 | layout = map_name(r6layout, optarg); | |
486 | if (layout==UnSet) { | |
487 | fprintf(stderr, Name ": layout %s not understood for raid6.\n", | |
488 | optarg); | |
489 | exit(2); | |
490 | } | |
491 | break; | |
e5329c37 NB |
492 | |
493 | case 10: | |
4a06e2c2 N |
494 | layout = parse_layout_10(optarg); |
495 | if (layout < 0) { | |
b578481c | 496 | fprintf(stderr, Name ": layout for raid10 must be 'nNN', 'oNN' or 'fNN' where NN is a number, not %s\n", optarg); |
e5329c37 NB |
497 | exit(2); |
498 | } | |
e5329c37 | 499 | break; |
19678e53 N |
500 | case LEVEL_FAULTY: |
501 | /* Faulty | |
502 | * modeNNN | |
503 | */ | |
4a06e2c2 N |
504 | layout = parse_layout_faulty(optarg); |
505 | if (layout == -1) { | |
b5e64645 NB |
506 | fprintf(stderr, Name ": layout %s not understood for faulty.\n", |
507 | optarg); | |
508 | exit(2); | |
509 | } | |
4a06e2c2 | 510 | break; |
52826846 NB |
511 | } |
512 | continue; | |
513 | ||
997aed5d NB |
514 | case O(CREATE,AssumeClean): |
515 | case O(BUILD,AssumeClean): /* assume clean */ | |
dd0781e5 NB |
516 | assume_clean = 1; |
517 | continue; | |
518 | ||
519 | case O(GROW,'n'): | |
e0d19036 NB |
520 | case O(CREATE,'n'): |
521 | case O(BUILD,'n'): /* number of raid disks */ | |
52826846 | 522 | if (raiddisks) { |
b83d95f3 | 523 | fprintf(stderr, Name ": raid-devices set twice: %d and %s\n", |
52826846 NB |
524 | raiddisks, optarg); |
525 | exit(2); | |
526 | } | |
527 | raiddisks = strtol(optarg, &c, 10); | |
e4c4352e | 528 | if (!optarg[0] || *c || raiddisks<=0) { |
b83d95f3 | 529 | fprintf(stderr, Name ": invalid number of raid devices: %s\n", |
52826846 NB |
530 | optarg); |
531 | exit(2); | |
532 | } | |
cd29a5c8 | 533 | ident.raid_disks = raiddisks; |
52826846 NB |
534 | continue; |
535 | ||
e0d19036 | 536 | case O(CREATE,'x'): /* number of spare (eXtra) discs */ |
52826846 | 537 | if (sparedisks) { |
b83d95f3 | 538 | fprintf(stderr,Name ": spare-devices set twice: %d and %s\n", |
52826846 NB |
539 | sparedisks, optarg); |
540 | exit(2); | |
541 | } | |
98c6faba | 542 | if (level != UnSet && level <= 0 && level >= -1) { |
b83d95f3 | 543 | fprintf(stderr, Name ": spare-devices setting is incompatible with raid level %d\n", |
52826846 NB |
544 | level); |
545 | exit(2); | |
546 | } | |
547 | sparedisks = strtol(optarg, &c, 10); | |
e4c4352e | 548 | if (!optarg[0] || *c || sparedisks < 0) { |
b83d95f3 | 549 | fprintf(stderr, Name ": invalid number of spare-devices: %s\n", |
52826846 NB |
550 | optarg); |
551 | exit(2); | |
552 | } | |
553 | continue; | |
dd0781e5 NB |
554 | |
555 | case O(CREATE,'a'): | |
556 | case O(BUILD,'a'): | |
95b79df0 | 557 | case O(INCREMENTAL,'a'): |
dd0781e5 | 558 | case O(ASSEMBLE,'a'): /* auto-creation of device node */ |
f1ae21c4 | 559 | autof = parse_auto(optarg, "--auto flag", 0); |
dd0781e5 NB |
560 | continue; |
561 | ||
38098016 NB |
562 | case O(CREATE,Symlinks): |
563 | case O(BUILD,Symlinks): | |
564 | case O(ASSEMBLE,Symlinks): /* auto creation of symlinks in /dev to /dev/md */ | |
565 | symlinks = optarg; | |
566 | continue; | |
567 | ||
aa88f531 | 568 | case O(BUILD,'f'): /* force honouring '-n 1' */ |
bd72c2b2 | 569 | case O(GROW,'f'): /* ditto */ |
e0d19036 NB |
570 | case O(CREATE,'f'): /* force honouring of device list */ |
571 | case O(ASSEMBLE,'f'): /* force assembly */ | |
572 | case O(MISC,'f'): /* force zero */ | |
52826846 NB |
573 | force=1; |
574 | continue; | |
575 | ||
576 | /* now for the Assemble options */ | |
3d3dd91e | 577 | case O(CREATE,'u'): /* uuid of array */ |
e0d19036 | 578 | case O(ASSEMBLE,'u'): /* uuid of array */ |
52826846 | 579 | if (ident.uuid_set) { |
cd29a5c8 | 580 | fprintf(stderr, Name ": uuid cannot be set twice. " |
52826846 NB |
581 | "Second value %s.\n", optarg); |
582 | exit(2); | |
583 | } | |
584 | if (parse_uuid(optarg, ident.uuid)) | |
585 | ident.uuid_set = 1; | |
586 | else { | |
587 | fprintf(stderr,Name ": Bad uuid: %s\n", optarg); | |
588 | exit(2); | |
589 | } | |
590 | continue; | |
591 | ||
947fd4dd NB |
592 | case O(CREATE,'N'): |
593 | case O(ASSEMBLE,'N'): | |
594 | if (ident.name[0]) { | |
595 | fprintf(stderr, Name ": name cannot be set twice. " | |
596 | "Second value %s.\n", optarg); | |
597 | exit(2); | |
598 | } | |
599 | if (strlen(optarg) > 32) { | |
600 | fprintf(stderr, Name ": name '%s' is too long, 32 chars max.\n", | |
601 | optarg); | |
602 | exit(2); | |
603 | } | |
604 | strcpy(ident.name, optarg); | |
605 | continue; | |
606 | ||
e0d19036 | 607 | case O(ASSEMBLE,'m'): /* super-minor for array */ |
98c6faba | 608 | if (ident.super_minor != UnSet) { |
cd29a5c8 NB |
609 | fprintf(stderr, Name ": super-minor cannot be set twice. " |
610 | "Second value: %s.\n", optarg); | |
611 | exit(2); | |
612 | } | |
d013a55e NB |
613 | if (strcmp(optarg, "dev")==0) |
614 | ident.super_minor = -2; | |
615 | else { | |
616 | ident.super_minor = strtoul(optarg, &cp, 10); | |
617 | if (!optarg[0] || *cp) { | |
618 | fprintf(stderr, Name ": Bad super-minor number: %s.\n", optarg); | |
619 | exit(2); | |
620 | } | |
cd29a5c8 NB |
621 | } |
622 | continue; | |
623 | ||
5787fa49 NB |
624 | case O(ASSEMBLE,'U'): /* update the superblock */ |
625 | if (update) { | |
626 | fprintf(stderr, Name ": Can only update one aspect of superblock, both %s and %s given.\n", | |
627 | update, optarg); | |
628 | exit(2); | |
629 | } | |
630 | update = optarg; | |
aba69144 | 631 | if (strcmp(update, "sparc2.2")==0) |
e5329c37 | 632 | continue; |
5787fa49 NB |
633 | if (strcmp(update, "super-minor") == 0) |
634 | continue; | |
feb716e9 NB |
635 | if (strcmp(update, "summaries")==0) |
636 | continue; | |
e5329c37 NB |
637 | if (strcmp(update, "resync")==0) |
638 | continue; | |
7d99579f NB |
639 | if (strcmp(update, "uuid")==0) |
640 | continue; | |
c4f12c13 NB |
641 | if (strcmp(update, "name")==0) |
642 | continue; | |
0237e0ca NB |
643 | if (strcmp(update, "homehost")==0) |
644 | continue; | |
bee8ec56 NB |
645 | if (strcmp(update, "devicesize")==0) |
646 | continue; | |
586ed405 NB |
647 | if (strcmp(update, "byteorder")==0) { |
648 | if (ss) { | |
649 | fprintf(stderr, Name ": must not set metadata type with --update=byteorder.\n"); | |
650 | exit(2); | |
651 | } | |
aba69144 | 652 | for(i=0; !ss && superlist[i]; i++) |
586ed405 NB |
653 | ss = superlist[i]->match_metadata_desc("0.swap"); |
654 | if (!ss) { | |
655 | fprintf(stderr, Name ": INTERNAL ERROR cannot find 0.swap\n"); | |
656 | exit(2); | |
657 | } | |
658 | ||
659 | continue; | |
660 | } | |
0047d254 NB |
661 | if (strcmp(update,"?") == 0 || |
662 | strcmp(update, "help") == 0) { | |
663 | outf = stdout; | |
664 | fprintf(outf, Name ": "); | |
665 | } else { | |
666 | outf = stderr; | |
667 | fprintf(outf, | |
668 | Name ": '--update=%s' is invalid. ", | |
669 | update); | |
670 | } | |
671 | fprintf(outf, "Valid --update options are:\n" | |
bee8ec56 NB |
672 | " 'sparc2.2', 'super-minor', 'uuid', 'name', 'resync',\n" |
673 | " 'summaries', 'homehost', 'byteorder', 'devicesize'.\n"); | |
0047d254 | 674 | exit(outf == stdout ? 0 : 2); |
5787fa49 | 675 | |
fdb482f9 | 676 | case O(INCREMENTAL,NoDegraded): |
997aed5d | 677 | case O(ASSEMBLE,NoDegraded): /* --no-degraded */ |
0047d254 NB |
678 | runstop = -1; /* --stop isn't allowed for --assemble, |
679 | * so we overload slightly */ | |
b8a8ccf9 NB |
680 | continue; |
681 | ||
e0d19036 | 682 | case O(ASSEMBLE,'c'): /* config file */ |
7b187ed7 | 683 | case O(INCREMENTAL, 'c'): |
2d465520 | 684 | case O(MISC, 'c'): |
e0d19036 | 685 | case O(MONITOR,'c'): |
52826846 NB |
686 | if (configfile) { |
687 | fprintf(stderr, Name ": configfile cannot be set twice. " | |
688 | "Second value is %s.\n", optarg); | |
689 | exit(2); | |
690 | } | |
691 | configfile = optarg; | |
8aec876d | 692 | set_conffile(configfile); |
52826846 NB |
693 | /* FIXME possibly check that config file exists. Even parse it */ |
694 | continue; | |
e0d19036 NB |
695 | case O(ASSEMBLE,'s'): /* scan */ |
696 | case O(MISC,'s'): | |
697 | case O(MONITOR,'s'): | |
8382f19b | 698 | case O(INCREMENTAL,'s'): |
52826846 NB |
699 | scan = 1; |
700 | continue; | |
701 | ||
e0d19036 | 702 | case O(MONITOR,'m'): /* mail address */ |
52826846 NB |
703 | if (mailaddr) |
704 | fprintf(stderr, Name ": only specify one mailaddress. %s ignored.\n", | |
705 | optarg); | |
706 | else | |
707 | mailaddr = optarg; | |
708 | continue; | |
709 | ||
e0d19036 | 710 | case O(MONITOR,'p'): /* alert program */ |
52826846 NB |
711 | if (program) |
712 | fprintf(stderr, Name ": only specify one alter program. %s ignored.\n", | |
713 | optarg); | |
714 | else | |
715 | program = optarg; | |
716 | continue; | |
64c4757e | 717 | |
9a36a9b7 ZB |
718 | case O(MONITOR,'r'): /* rebuild increments */ |
719 | increments = atoi(optarg); | |
720 | if (increments>99 || increments<1) { | |
721 | fprintf(stderr, Name ": please specify positive integer between 1 and 99 as rebuild increments.\n"); | |
722 | exit(2); | |
723 | } | |
724 | continue; | |
725 | ||
e0d19036 | 726 | case O(MONITOR,'d'): /* delay in seconds */ |
f5e166fe | 727 | case O(GROW, 'd'): |
c82f047c NB |
728 | case O(BUILD,'d'): /* delay for bitmap updates */ |
729 | case O(CREATE,'d'): | |
52826846 NB |
730 | if (delay) |
731 | fprintf(stderr, Name ": only specify delay once. %s ignored.\n", | |
732 | optarg); | |
733 | else { | |
734 | delay = strtol(optarg, &c, 10); | |
735 | if (!optarg[0] || *c || delay<1) { | |
736 | fprintf(stderr, Name ": invalid delay: %s\n", | |
737 | optarg); | |
738 | exit(2); | |
739 | } | |
740 | } | |
741 | continue; | |
d013a55e NB |
742 | case O(MONITOR,'f'): /* daemonise */ |
743 | daemonise = 1; | |
744 | continue; | |
b5e64645 NB |
745 | case O(MONITOR,'i'): /* pid */ |
746 | if (pidfile) | |
747 | fprintf(stderr, Name ": only specify one pid file. %s ignored.\n", | |
748 | optarg); | |
749 | else | |
750 | pidfile = optarg; | |
751 | continue; | |
aa88f531 NB |
752 | case O(MONITOR,'1'): /* oneshot */ |
753 | oneshot = 1; | |
754 | continue; | |
98c6faba NB |
755 | case O(MONITOR,'t'): /* test */ |
756 | test = 1; | |
757 | continue; | |
773135f5 | 758 | case O(MONITOR,'y'): /* log messages to syslog */ |
6ac8aac2 | 759 | openlog("mdadm", LOG_PID, SYSLOG_FACILITY); |
773135f5 NB |
760 | dosyslog = 1; |
761 | continue; | |
52826846 NB |
762 | |
763 | /* now the general management options. Some are applicable | |
764 | * to other modes. None have arguments. | |
765 | */ | |
e5329c37 | 766 | case O(GROW,'a'): |
dd0781e5 | 767 | case O(MANAGE,'a'): /* add a drive */ |
52826846 | 768 | devmode = 'a'; |
fe80f49b NB |
769 | re_add = 0; |
770 | continue; | |
997aed5d | 771 | case O(MANAGE,ReAdd): |
fe80f49b NB |
772 | devmode = 'a'; |
773 | re_add = 1; | |
52826846 | 774 | continue; |
e0d19036 | 775 | case O(MANAGE,'r'): /* remove a drive */ |
52826846 NB |
776 | devmode = 'r'; |
777 | continue; | |
e0d19036 | 778 | case O(MANAGE,'f'): /* set faulty */ |
52826846 NB |
779 | devmode = 'f'; |
780 | continue; | |
8382f19b | 781 | case O(INCREMENTAL,'R'): |
e0d19036 NB |
782 | case O(MANAGE,'R'): |
783 | case O(ASSEMBLE,'R'): | |
784 | case O(BUILD,'R'): | |
785 | case O(CREATE,'R'): /* Run the array */ | |
52826846 NB |
786 | if (runstop < 0) { |
787 | fprintf(stderr, Name ": Cannot both Stop and Run an array\n"); | |
788 | exit(2); | |
789 | } | |
790 | runstop = 1; | |
791 | continue; | |
e0d19036 | 792 | case O(MANAGE,'S'): |
52826846 NB |
793 | if (runstop > 0) { |
794 | fprintf(stderr, Name ": Cannot both Run and Stop an array\n"); | |
795 | exit(2); | |
796 | } | |
797 | runstop = -1; | |
798 | continue; | |
799 | ||
e0d19036 NB |
800 | case O(MISC,'Q'): |
801 | case O(MISC,'D'): | |
802 | case O(MISC,'E'): | |
803 | case O(MISC,'K'): | |
804 | case O(MISC,'R'): | |
805 | case O(MISC,'S'): | |
c82f047c | 806 | case O(MISC,'X'): |
e0d19036 NB |
807 | case O(MISC,'o'): |
808 | case O(MISC,'w'): | |
b90c0e9a | 809 | case O(MISC,'W'): |
1770662b | 810 | case O(MISC, Waitclean): |
4cce4069 | 811 | case O(MISC, DetailPlatform): |
e0d19036 NB |
812 | if (devmode && devmode != opt && |
813 | (devmode == 'E' || (opt == 'E' && devmode != 'Q'))) { | |
814 | fprintf(stderr, Name ": --examine/-E cannot be given with -%c\n", | |
815 | devmode =='E'?opt:devmode); | |
816 | exit(2); | |
817 | } | |
818 | devmode = opt; | |
819 | continue; | |
feb716e9 NB |
820 | case O(MISC,'t'): |
821 | test = 1; | |
822 | continue; | |
e0d19036 | 823 | |
997aed5d | 824 | case O(MISC, Sparc22): |
bd526cee NB |
825 | if (devmode != 'E') { |
826 | fprintf(stderr, Name ": --sparc2.2 only allowed with --examine\n"); | |
827 | exit(2); | |
828 | } | |
829 | SparcAdjust = 1; | |
830 | continue; | |
c82f047c NB |
831 | |
832 | case O(ASSEMBLE,'b'): /* here we simply set the bitmap file */ | |
833 | if (!optarg) { | |
834 | fprintf(stderr, Name ": bitmap file needed with -b in --assemble mode\n"); | |
835 | exit(2); | |
836 | } | |
55935d51 NB |
837 | if (strcmp(optarg, "internal")==0) { |
838 | fprintf(stderr, Name ": there is no need to specify --bitmap when assembling arrays with internal bitmaps\n"); | |
839 | continue; | |
840 | } | |
c82f047c NB |
841 | bitmap_fd = open(optarg, O_RDWR); |
842 | if (!*optarg || bitmap_fd < 0) { | |
843 | fprintf(stderr, Name ": cannot open bitmap file %s: %s\n", optarg, strerror(errno)); | |
844 | exit(2); | |
845 | } | |
846 | ident.bitmap_fd = bitmap_fd; /* for Assemble */ | |
847 | continue; | |
f5e166fe | 848 | |
997aed5d NB |
849 | case O(ASSEMBLE, BackupFile): |
850 | case O(GROW, BackupFile): | |
06b0d786 NB |
851 | /* Specify a file into which grow might place a backup, |
852 | * or from which assemble might recover a backup | |
853 | */ | |
854 | if (backup_file) { | |
855 | fprintf(stderr, Name ": backup file already specified, rejecting %s\n", optarg); | |
856 | exit(2); | |
857 | } | |
858 | backup_file = optarg; | |
859 | continue; | |
860 | ||
c82f047c NB |
861 | case O(BUILD,'b'): |
862 | case O(CREATE,'b'): /* here we create the bitmap */ | |
85375d6d NB |
863 | if (strcmp(optarg, "none") == 0) { |
864 | fprintf(stderr, Name ": '--bitmap none' only" | |
865 | " support for --grow\n"); | |
866 | exit(2); | |
867 | } | |
868 | /* FALL THROUGH */ | |
869 | case O(GROW,'b'): | |
1e0d770c NB |
870 | if (strcmp(optarg, "internal")== 0 || |
871 | strcmp(optarg, "none")== 0 || | |
872 | strchr(optarg, '/') != NULL) { | |
873 | bitmap_file = optarg; | |
874 | continue; | |
875 | } | |
876 | /* probable typo */ | |
877 | fprintf(stderr, Name ": bitmap file must contain a '/', or be 'internal', or 'none'\n"); | |
878 | exit(2); | |
c82f047c | 879 | |
997aed5d NB |
880 | case O(GROW,BitmapChunk): |
881 | case O(BUILD,BitmapChunk): | |
882 | case O(CREATE,BitmapChunk): /* bitmap chunksize */ | |
c82f047c NB |
883 | bitmap_chunk = strtol(optarg, &c, 10); |
884 | if (!optarg[0] || *c || bitmap_chunk < 0 || | |
885 | bitmap_chunk & (bitmap_chunk - 1)) { | |
886 | fprintf(stderr, Name ": invalid bitmap chunksize: %s\n", | |
887 | optarg); | |
888 | exit(2); | |
889 | } | |
890 | /* convert K to B, chunk of 0K means 512B */ | |
891 | bitmap_chunk = bitmap_chunk ? bitmap_chunk * 1024 : 512; | |
892 | continue; | |
dfd4d8ee | 893 | |
7d19ad0d | 894 | case O(GROW, WriteBehind): |
997aed5d NB |
895 | case O(BUILD, WriteBehind): |
896 | case O(CREATE, WriteBehind): /* write-behind mode */ | |
dfd4d8ee NB |
897 | write_behind = DEFAULT_MAX_WRITE_BEHIND; |
898 | if (optarg) { | |
899 | write_behind = strtol(optarg, &c, 10); | |
900 | if (write_behind < 0 || *c || | |
901 | write_behind > 16383) { | |
902 | fprintf(stderr, Name ": Invalid value for maximum outstanding write-behind writes: %s.\n\tMust be between 0 and 16383.\n", optarg); | |
903 | exit(2); | |
904 | } | |
905 | } | |
906 | continue; | |
8382f19b NB |
907 | |
908 | case O(INCREMENTAL, 'r'): | |
909 | rebuild_map = 1; | |
910 | continue; | |
52826846 NB |
911 | } |
912 | /* We have now processed all the valid options. Anything else is | |
913 | * an error | |
914 | */ | |
06b0d786 NB |
915 | if (option_index > 0) |
916 | fprintf(stderr, Name ":option --%s not valid in %s mode\n", | |
917 | long_options[option_index].name, | |
918 | map_num(modes, mode)); | |
919 | else | |
920 | fprintf(stderr, Name ": option -%c not valid in %s mode\n", | |
921 | opt, map_num(modes, mode)); | |
64c4757e | 922 | exit(2); |
52826846 NB |
923 | |
924 | } | |
925 | ||
3d4064cc NB |
926 | if (print_help) { |
927 | char *help_text = Help; | |
928 | if (print_help == 2) | |
929 | help_text = OptionHelp; | |
930 | else | |
931 | switch (mode) { | |
932 | case ASSEMBLE : help_text = Help_assemble; break; | |
933 | case BUILD : help_text = Help_build; break; | |
934 | case CREATE : help_text = Help_create; break; | |
935 | case MANAGE : help_text = Help_manage; break; | |
936 | case MISC : help_text = Help_misc; break; | |
937 | case MONITOR : help_text = Help_monitor; break; | |
938 | case GROW : help_text = Help_grow; break; | |
8382f19b | 939 | case INCREMENTAL:help_text= Help_incr; break; |
3d4064cc | 940 | } |
0047d254 | 941 | fputs(help_text,stdout); |
3d4064cc NB |
942 | exit(0); |
943 | } | |
944 | ||
0320ea45 NB |
945 | if (!mode && devs_found) { |
946 | mode = MISC; | |
947 | devmode = 'Q'; | |
948 | if (devlist->disposition == 0) | |
949 | devlist->disposition = devmode; | |
950 | } | |
52826846 NB |
951 | if (!mode) { |
952 | fputs(Usage, stderr); | |
64c4757e | 953 | exit(2); |
64c4757e | 954 | } |
38098016 NB |
955 | |
956 | if (symlinks) { | |
957 | struct createinfo *ci = conf_get_create_info(); | |
958 | ||
959 | if (strcasecmp(symlinks, "yes") == 0) | |
960 | ci->symlinks = 1; | |
961 | else if (strcasecmp(symlinks, "no") == 0) | |
962 | ci->symlinks = 0; | |
963 | else { | |
964 | fprintf(stderr, Name ": option --symlinks must be 'no' or 'yes'\n"); | |
965 | exit(2); | |
966 | } | |
967 | } | |
52826846 NB |
968 | /* Ok, got the option parsing out of the way |
969 | * hopefully it's mostly right but there might be some stuff | |
970 | * missing | |
971 | * | |
e0d19036 | 972 | * That is mosty checked in the per-mode stuff but... |
52826846 NB |
973 | * |
974 | * For @,B,C and A without -s, the first device listed must be an md device | |
975 | * we check that here and open it. | |
64c4757e | 976 | */ |
52826846 | 977 | |
dd0781e5 NB |
978 | if (mode==MANAGE || mode == BUILD || mode == CREATE || mode == GROW || |
979 | (mode == ASSEMBLE && ! scan)) { | |
52826846 NB |
980 | if (devs_found < 1) { |
981 | fprintf(stderr, Name ": an md device must be given in this mode\n"); | |
982 | exit(2); | |
983 | } | |
dd0781e5 | 984 | if ((int)ident.super_minor == -2 && autof) { |
aba69144 | 985 | fprintf(stderr, Name ": --super-minor=dev is incompatible with --auto\n"); |
dd0781e5 NB |
986 | exit(2); |
987 | } | |
7f91af49 | 988 | if (mode == MANAGE || mode == GROW) { |
6be1d39d | 989 | mdfd = open_mddev(devlist->devname, 1); |
7f91af49 N |
990 | if (mdfd < 0) |
991 | exit(1); | |
992 | } else | |
993 | /* non-existent device is OK */ | |
994 | mdfd = open_mddev(devlist->devname, 0); | |
995 | if (mdfd == -2) { | |
996 | fprintf(stderr, Name ": device %s exists but is not an " | |
997 | "md array.\n", devlist->devname); | |
52826846 | 998 | exit(1); |
7f91af49 | 999 | } |
98c6faba | 1000 | if ((int)ident.super_minor == -2) { |
d013a55e | 1001 | struct stat stb; |
7f91af49 N |
1002 | if (mdfd < 0) { |
1003 | fprintf(stderr, Name ": --super-minor=dev given, and " | |
1004 | "listed device %s doesn't exist.\n", | |
1005 | devlist->devname); | |
1006 | exit(1); | |
1007 | } | |
d013a55e | 1008 | fstat(mdfd, &stb); |
0df46c2a | 1009 | ident.super_minor = minor(stb.st_rdev); |
d013a55e | 1010 | } |
7f91af49 N |
1011 | if (mdfd >= 0 && mode != MANAGE && mode != GROW) { |
1012 | /* We don't really want this open yet, we just might | |
1013 | * have wanted to check some things | |
1014 | */ | |
1015 | close(mdfd); | |
1016 | mdfd = -1; | |
1017 | } | |
64c4757e | 1018 | } |
52826846 | 1019 | |
e4c4352e NB |
1020 | if (raiddisks) { |
1021 | if (raiddisks > max_disks) { | |
6fbba4c9 NB |
1022 | fprintf(stderr, Name ": invalid number of raid devices: %d\n", |
1023 | raiddisks); | |
e4c4352e NB |
1024 | exit(2); |
1025 | } | |
1026 | if (raiddisks == 1 && !force && level != -5) { | |
1027 | fprintf(stderr, Name ": '1' is an unusual number of drives for an array, so it is probably\n" | |
1028 | " a mistake. If you really mean it you will need to specify --force before\n" | |
1029 | " setting the number of drives.\n"); | |
1030 | exit(2); | |
1031 | } | |
1032 | } | |
1033 | if (sparedisks) { | |
1034 | if ( sparedisks > max_disks - raiddisks) { | |
6fbba4c9 NB |
1035 | fprintf(stderr, Name ": invalid number of spare-devices: %d\n", |
1036 | sparedisks); | |
e4c4352e NB |
1037 | exit(2); |
1038 | } | |
1039 | } | |
c82f047c | 1040 | |
997aed5d | 1041 | if (homehost == NULL) |
0ac91628 | 1042 | homehost = conf_get_homehost(&require_homehost); |
9180c81b | 1043 | if (homehost == NULL || strcmp(homehost, "<system>")==0) { |
05697ec1 NB |
1044 | if (gethostname(sys_hostname, sizeof(sys_hostname)) == 0) { |
1045 | sys_hostname[sizeof(sys_hostname)-1] = 0; | |
1046 | homehost = sys_hostname; | |
1047 | } | |
1048 | } | |
997aed5d | 1049 | |
7f91af49 N |
1050 | ident.autof = autof; |
1051 | ||
52826846 NB |
1052 | rv = 0; |
1053 | switch(mode) { | |
e0d19036 | 1054 | case MANAGE: |
52826846 NB |
1055 | /* readonly, add/remove, readwrite, runstop */ |
1056 | if (readonly>0) | |
cd29a5c8 | 1057 | rv = Manage_ro(devlist->devname, mdfd, readonly); |
52826846 | 1058 | if (!rv && devs_found>1) |
cd29a5c8 | 1059 | rv = Manage_subdevs(devlist->devname, mdfd, |
dab6685f | 1060 | devlist->next, verbose-quiet); |
52826846 | 1061 | if (!rv && readonly < 0) |
cd29a5c8 | 1062 | rv = Manage_ro(devlist->devname, mdfd, readonly); |
52826846 | 1063 | if (!rv && runstop) |
ab56093f | 1064 | rv = Manage_runstop(devlist->devname, mdfd, runstop, quiet); |
52826846 | 1065 | break; |
e0d19036 | 1066 | case ASSEMBLE: |
d013a55e | 1067 | if (devs_found == 1 && ident.uuid_set == 0 && |
947fd4dd | 1068 | ident.super_minor == UnSet && ident.name[0] == 0 && !scan ) { |
d013a55e | 1069 | /* Only a device has been given, so get details from config file */ |
8aec876d | 1070 | mddev_ident_t array_ident = conf_get_ident(devlist->devname); |
b5e64645 NB |
1071 | if (array_ident == NULL) { |
1072 | fprintf(stderr, Name ": %s not identified in config file.\n", | |
1073 | devlist->devname); | |
d013a55e | 1074 | rv |= 1; |
7f91af49 N |
1075 | if (mdfd >= 0) |
1076 | close(mdfd); | |
b5e64645 | 1077 | } else { |
7f91af49 N |
1078 | if (array_ident->autof == 0) |
1079 | array_ident->autof = autof; | |
1080 | rv |= Assemble(ss, devlist->devname, array_ident, | |
1081 | NULL, backup_file, | |
0ac91628 N |
1082 | readonly, runstop, update, |
1083 | homehost, require_homehost, | |
1084 | verbose-quiet, force); | |
d013a55e NB |
1085 | } |
1086 | } else if (!scan) | |
7f91af49 | 1087 | rv = Assemble(ss, devlist->devname, &ident, |
06b0d786 | 1088 | devlist->next, backup_file, |
0ac91628 N |
1089 | readonly, runstop, update, |
1090 | homehost, require_homehost, | |
1091 | verbose-quiet, force); | |
5787fa49 NB |
1092 | else if (devs_found>0) { |
1093 | if (update && devs_found > 1) { | |
1094 | fprintf(stderr, Name ": can only update a single array at a time\n"); | |
1095 | exit(1); | |
1096 | } | |
06b0d786 NB |
1097 | if (backup_file && devs_found > 1) { |
1098 | fprintf(stderr, Name ": can only assemble a single array when providing a backup file.\n"); | |
1099 | exit(1); | |
1100 | } | |
cd29a5c8 | 1101 | for (dv = devlist ; dv ; dv=dv->next) { |
8aec876d | 1102 | mddev_ident_t array_ident = conf_get_ident(dv->devname); |
52826846 NB |
1103 | if (array_ident == NULL) { |
1104 | fprintf(stderr, Name ": %s not identified in config file.\n", | |
cd29a5c8 | 1105 | dv->devname); |
52826846 NB |
1106 | rv |= 1; |
1107 | continue; | |
1108 | } | |
7f91af49 N |
1109 | if (array_ident->autof == 0) |
1110 | array_ident->autof = autof; | |
1111 | rv |= Assemble(ss, dv->devname, array_ident, | |
06b0d786 | 1112 | NULL, backup_file, |
0ac91628 N |
1113 | readonly, runstop, update, |
1114 | homehost, require_homehost, | |
1115 | verbose-quiet, force); | |
52826846 | 1116 | } |
5787fa49 | 1117 | } else { |
8aec876d NB |
1118 | mddev_ident_t array_list = conf_get_ident(NULL); |
1119 | mddev_dev_t devlist = conf_get_devs(); | |
da6b5ca9 NB |
1120 | int cnt = 0; |
1121 | if (devlist == NULL) { | |
1122 | fprintf(stderr, Name ": No devices listed in conf file were found.\n"); | |
1123 | exit(1); | |
1124 | } | |
1125 | if (update) { | |
1126 | fprintf(stderr, Name ": --update not meaningful with a --scan assembly.\n"); | |
1127 | exit(1); | |
1128 | } | |
1129 | if (backup_file) { | |
1130 | fprintf(stderr, Name ": --backup_file not meaningful with a --scan assembly.\n"); | |
1131 | exit(1); | |
1132 | } | |
1133 | for (; array_list; array_list = array_list->next) { | |
112cace6 N |
1134 | if (array_list->devname && |
1135 | strcasecmp(array_list->devname, "<ignore>") == 0) | |
1136 | continue; | |
7f91af49 N |
1137 | if (array_list->autof == 0) |
1138 | array_list->autof = autof; | |
1139 | ||
1140 | rv |= Assemble(ss, array_list->devname, | |
1141 | array_list, | |
1142 | NULL, NULL, | |
0ac91628 N |
1143 | readonly, runstop, NULL, |
1144 | homehost, require_homehost, | |
1145 | verbose-quiet, force); | |
a30b2ecd | 1146 | cnt++; |
da6b5ca9 | 1147 | } |
a30b2ecd | 1148 | if (homehost && cnt == 0) { |
da6b5ca9 | 1149 | /* Maybe we can auto-assemble something. |
7f91af49 | 1150 | * Repeatedly call Assemble in auto-assemble mode |
da6b5ca9 NB |
1151 | * until it fails |
1152 | */ | |
1153 | int rv2; | |
d55e3aef NB |
1154 | int acnt; |
1155 | ident.autof = autof; | |
da6b5ca9 | 1156 | do { |
1c203a4b | 1157 | mddev_dev_t devlist = conf_get_devs(); |
d55e3aef NB |
1158 | acnt = 0; |
1159 | do { | |
7f91af49 | 1160 | rv2 = Assemble(ss, NULL, |
8aec876d | 1161 | &ident, |
1c203a4b | 1162 | devlist, NULL, |
0ac91628 N |
1163 | readonly, runstop, NULL, |
1164 | homehost, require_homehost, | |
1165 | verbose-quiet, force); | |
d55e3aef NB |
1166 | if (rv2==0) { |
1167 | cnt++; | |
1168 | acnt++; | |
1169 | } | |
589395d6 NB |
1170 | if (rv2 == 1) |
1171 | /* found something so even though assembly failed we | |
1172 | * want to avoid auto-updates | |
1173 | */ | |
1174 | auto_update_home = 0; | |
d55e3aef NB |
1175 | } while (rv2!=2); |
1176 | /* Incase there are stacked devices, we need to go around again */ | |
d55e3aef | 1177 | } while (acnt); |
e0fe762a | 1178 | #if 0 |
589395d6 NB |
1179 | if (cnt == 0 && auto_update_home && homehost) { |
1180 | /* Nothing found, maybe we need to bootstrap homehost info */ | |
1181 | do { | |
1182 | acnt = 0; | |
1183 | do { | |
7f91af49 | 1184 | rv2 = Assemble(ss, NULL, |
8aec876d | 1185 | &ident, |
43f2372a | 1186 | NULL, NULL, |
0ac91628 N |
1187 | readonly, runstop, "homehost", |
1188 | homehost, require_homehost, | |
1189 | verbose-quiet, force); | |
589395d6 NB |
1190 | if (rv2==0) { |
1191 | cnt++; | |
1192 | acnt++; | |
1193 | } | |
1194 | } while (rv2!=2); | |
1195 | /* Incase there are stacked devices, we need to go around again */ | |
589395d6 NB |
1196 | } while (acnt); |
1197 | } | |
e0fe762a | 1198 | #endif |
da6b5ca9 NB |
1199 | if (cnt == 0 && rv == 0) { |
1200 | fprintf(stderr, Name ": No arrays found in config file or automatically\n"); | |
1201 | rv = 1; | |
1c203a4b NB |
1202 | } else if (cnt) |
1203 | rv = 0; | |
da6b5ca9 NB |
1204 | } else if (cnt == 0 && rv == 0) { |
1205 | fprintf(stderr, Name ": No arrays found in config file\n"); | |
1206 | rv = 1; | |
1207 | } | |
52826846 NB |
1208 | } |
1209 | break; | |
e0d19036 | 1210 | case BUILD: |
c82f047c | 1211 | if (delay == 0) delay = DEFAULT_BITMAP_DELAY; |
dfd4d8ee NB |
1212 | if (write_behind && !bitmap_file) { |
1213 | fprintf(stderr, Name ": write-behind mode requires a bitmap.\n"); | |
1214 | rv = 1; | |
1215 | break; | |
1216 | } | |
5b28bd56 | 1217 | if (raiddisks == 0) { |
e5669f40 | 1218 | fprintf(stderr, Name ": no raid-devices specified.\n"); |
5b28bd56 NB |
1219 | rv = 1; |
1220 | break; | |
1221 | } | |
dfd4d8ee | 1222 | |
c82f047c | 1223 | if (bitmap_file) { |
55935d51 NB |
1224 | if (strcmp(bitmap_file, "internal")==0) { |
1225 | fprintf(stderr, Name ": 'internal' bitmaps not supported with --build\n"); | |
1226 | rv |= 1; | |
1227 | break; | |
1228 | } | |
c82f047c | 1229 | } |
7f91af49 | 1230 | rv = Build(devlist->devname, chunk, level, layout, |
c82f047c | 1231 | raiddisks, devlist->next, assume_clean, |
7f91af49 | 1232 | bitmap_file, bitmap_chunk, write_behind, |
83208785 | 1233 | delay, verbose-quiet, autof, size); |
52826846 | 1234 | break; |
e0d19036 | 1235 | case CREATE: |
c82f047c | 1236 | if (delay == 0) delay = DEFAULT_BITMAP_DELAY; |
dfd4d8ee NB |
1237 | if (write_behind && !bitmap_file) { |
1238 | fprintf(stderr, Name ": write-behind mode requires a bitmap.\n"); | |
1239 | rv = 1; | |
1240 | break; | |
1241 | } | |
5b28bd56 | 1242 | if (raiddisks == 0) { |
e5669f40 | 1243 | fprintf(stderr, Name ": no raid-devices specified.\n"); |
5b28bd56 NB |
1244 | rv = 1; |
1245 | break; | |
1246 | } | |
f9ce90ba | 1247 | |
7f91af49 | 1248 | rv = Create(ss, devlist->devname, chunk, level, layout, size<0 ? 0 : size, |
05697ec1 | 1249 | raiddisks, sparedisks, ident.name, homehost, |
3d3dd91e | 1250 | ident.uuid_set ? ident.uuid : NULL, |
47d79ef8 | 1251 | devs_found-1, devlist->next, runstop, verbose-quiet, force, assume_clean, |
7f91af49 | 1252 | bitmap_file, bitmap_chunk, write_behind, delay, autof); |
52826846 | 1253 | break; |
e0d19036 | 1254 | case MISC: |
e0d19036 NB |
1255 | if (devmode == 'E') { |
1256 | if (devlist == NULL && !scan) { | |
1257 | fprintf(stderr, Name ": No devices to examine\n"); | |
1258 | exit(2); | |
1259 | } | |
1260 | if (devlist == NULL) | |
8aec876d | 1261 | devlist = conf_get_devs(); |
e0d19036 | 1262 | if (devlist == NULL) { |
c913b90e | 1263 | fprintf(stderr, Name ": No devices listed in %s\n", configfile?configfile:DefaultConfFile); |
e0d19036 NB |
1264 | exit(1); |
1265 | } | |
e843d5d7 NB |
1266 | if (brief && verbose) |
1267 | brief = 2; | |
0d726f17 KS |
1268 | rv = Examine(devlist, scan?(verbose>1?0:verbose+1):brief, |
1269 | export, scan, | |
1270 | SparcAdjust, ss, homehost); | |
4cce4069 DW |
1271 | } else if (devmode == DetailPlatform) { |
1272 | rv = Detail_Platform(ss ? ss->ss : NULL, ss ? scan : 1, verbose); | |
e0d19036 NB |
1273 | } else { |
1274 | if (devlist == NULL) { | |
fabbfd48 DW |
1275 | if ((devmode=='D' || devmode == Waitclean) && scan) { |
1276 | /* apply --detail or --wait-clean to | |
1277 | * all devices in /proc/mdstat | |
1278 | */ | |
22a88995 | 1279 | struct mdstat_ent *ms = mdstat_read(0, 1); |
e0d19036 | 1280 | struct mdstat_ent *e; |
35904960 | 1281 | struct map_ent *map = NULL; |
8f1b2bbb | 1282 | int members; |
fabbfd48 DW |
1283 | int v = verbose>1?0:verbose+1; |
1284 | ||
8f1b2bbb | 1285 | for (members = 0; members <= 1; members++) { |
e0d19036 | 1286 | for (e=ms ; e ; e=e->next) { |
35904960 N |
1287 | char *name; |
1288 | struct map_ent *me; | |
8f1b2bbb N |
1289 | int member = e->metadata_version && |
1290 | strncmp(e->metadata_version, | |
1291 | "external:/", 10) == 0; | |
1292 | if (members != member) | |
1293 | continue; | |
35904960 | 1294 | me = map_by_devnum(&map, e->devnum); |
8615dcff N |
1295 | if (me && me->path |
1296 | && strcmp(me->path, "/unknown") != 0) | |
35904960 N |
1297 | name = me->path; |
1298 | else | |
1299 | name = get_md_name(e->devnum); | |
e0d19036 NB |
1300 | |
1301 | if (!name) { | |
1302 | fprintf(stderr, Name ": cannot find device file for %s\n", | |
1303 | e->dev); | |
1304 | continue; | |
1305 | } | |
fabbfd48 DW |
1306 | if (devmode == 'D') |
1307 | rv |= Detail(name, v, | |
1308 | export, test, | |
1309 | homehost); | |
1310 | else | |
9f1da824 | 1311 | rv |= WaitClean(name, -1, v); |
91f068bf NB |
1312 | put_md_name(name); |
1313 | } | |
8f1b2bbb | 1314 | } |
89a10d84 | 1315 | free_mdstat(ms); |
91f068bf NB |
1316 | } else if (devmode == 'S' && scan) { |
1317 | /* apply --stop to all devices in /proc/mdstat */ | |
1318 | /* Due to possible stacking of devices, repeat until | |
1319 | * nothing more can be stopped | |
1320 | */ | |
1321 | int progress=1, err; | |
1322 | int last = 0; | |
1323 | do { | |
22a88995 | 1324 | struct mdstat_ent *ms = mdstat_read(0, 0); |
91f068bf NB |
1325 | struct mdstat_ent *e; |
1326 | ||
1327 | if (!progress) last = 1; | |
1328 | progress = 0; err = 0; | |
1329 | for (e=ms ; e ; e=e->next) { | |
1330 | char *name = get_md_name(e->devnum); | |
1331 | ||
1332 | if (!name) { | |
1333 | fprintf(stderr, Name ": cannot find device file for %s\n", | |
1334 | e->dev); | |
1335 | continue; | |
1336 | } | |
6be1d39d | 1337 | mdfd = open_mddev(name, 1); |
43fc1676 | 1338 | if (mdfd >= 0) { |
ab56093f | 1339 | if (Manage_runstop(name, mdfd, -1, quiet?1:last?0:-1)) |
91f068bf NB |
1340 | err = 1; |
1341 | else | |
1342 | progress = 1; | |
43fc1676 NB |
1343 | close(mdfd); |
1344 | } | |
91f068bf NB |
1345 | |
1346 | put_md_name(name); | |
e0d19036 | 1347 | } |
89a10d84 | 1348 | free_mdstat(ms); |
91f068bf | 1349 | } while (!last && err); |
f9c25f1d | 1350 | if (err) rv |= 1; |
91f068bf | 1351 | } else { |
e0d19036 NB |
1352 | fprintf(stderr, Name ": No devices given.\n"); |
1353 | exit(2); | |
1354 | } | |
1355 | } | |
1356 | for (dv=devlist ; dv; dv=dv->next) { | |
1357 | switch(dv->disposition) { | |
1358 | case 'D': | |
54bad364 KS |
1359 | rv |= Detail(dv->devname, |
1360 | brief?1+verbose:0, | |
1361 | export, test, homehost); | |
1362 | continue; | |
e0d19036 | 1363 | case 'K': /* Zero superblock */ |
111d01fc NB |
1364 | rv |= Kill(dv->devname, force, quiet,0); |
1365 | continue; | |
e0d19036 NB |
1366 | case 'Q': |
1367 | rv |= Query(dv->devname); continue; | |
c82f047c | 1368 | case 'X': |
55935d51 | 1369 | rv |= ExamineBitmap(dv->devname, brief, ss); continue; |
b90c0e9a NB |
1370 | case 'W': |
1371 | rv |= Wait(dv->devname); continue; | |
1770662b | 1372 | case Waitclean: |
9f1da824 | 1373 | rv |= WaitClean(dv->devname, -1, verbose-quiet); continue; |
e0d19036 | 1374 | } |
6be1d39d | 1375 | mdfd = open_mddev(dv->devname, 1); |
43fc1676 | 1376 | if (mdfd>=0) { |
e0d19036 NB |
1377 | switch(dv->disposition) { |
1378 | case 'R': | |
ab56093f | 1379 | rv |= Manage_runstop(dv->devname, mdfd, 1, quiet); break; |
e0d19036 | 1380 | case 'S': |
ab56093f | 1381 | rv |= Manage_runstop(dv->devname, mdfd, -1, quiet); break; |
e0d19036 NB |
1382 | case 'o': |
1383 | rv |= Manage_ro(dv->devname, mdfd, 1); break; | |
1384 | case 'w': | |
1385 | rv |= Manage_ro(dv->devname, mdfd, -1); break; | |
1386 | } | |
43fc1676 | 1387 | close(mdfd); |
7f48e210 NB |
1388 | } else |
1389 | rv |= 1; | |
e0d19036 | 1390 | } |
cd29a5c8 | 1391 | } |
9a9dab36 | 1392 | break; |
e0d19036 | 1393 | case MONITOR: |
e0d19036 NB |
1394 | if (!devlist && !scan) { |
1395 | fprintf(stderr, Name ": Cannot monitor: need --scan or at least one device\n"); | |
1396 | rv = 1; | |
1397 | break; | |
1398 | } | |
b5e64645 NB |
1399 | if (pidfile && !daemonise) { |
1400 | fprintf(stderr, Name ": Cannot write a pid file when not in daemon mode\n"); | |
1401 | rv = 1; | |
1402 | break; | |
1403 | } | |
ddc7201f N |
1404 | if (delay == 0) { |
1405 | if (get_linux_version() > 20616) | |
1406 | /* mdstat responds to poll */ | |
1407 | delay = 1000; | |
1408 | else | |
1409 | delay = 60; | |
1410 | } | |
d013a55e | 1411 | rv= Monitor(devlist, mailaddr, program, |
773135f5 | 1412 | delay?delay:60, daemonise, scan, oneshot, |
9a36a9b7 | 1413 | dosyslog, test, pidfile, increments); |
9a9dab36 | 1414 | break; |
dd0781e5 NB |
1415 | |
1416 | case GROW: | |
84e11361 N |
1417 | if (array_size >= 0) { |
1418 | /* alway impose array size first, independent of | |
1419 | * anything else | |
9ce510be N |
1420 | * Do not allow level or raid_disks changes at the |
1421 | * same time as that can be irreversibly destructive. | |
84e11361 N |
1422 | */ |
1423 | struct mdinfo sra; | |
1424 | int err; | |
9ce510be N |
1425 | if (raiddisks || level != UnSet) { |
1426 | fprintf(stderr, Name ": cannot change array size in same operation " | |
1427 | "as changing raiddisks or level.\n" | |
1428 | " Change size first, then check that data is still intact.\n"); | |
1429 | rv = 1; | |
1430 | break; | |
1431 | } | |
84e11361 N |
1432 | sysfs_init(&sra, mdfd, 0); |
1433 | if (array_size == 0) | |
1434 | err = sysfs_set_str(&sra, NULL, "array_size", "default"); | |
1435 | else | |
1436 | err = sysfs_set_num(&sra, NULL, "array_size", array_size / 2); | |
1437 | if (err < 0) { | |
1438 | if (errno == E2BIG) | |
1439 | fprintf(stderr, Name ": --array-size setting" | |
1440 | " is too large.\n"); | |
1441 | else | |
1442 | fprintf(stderr, Name ": current kernel does" | |
1443 | " not support setting --array-size\n"); | |
1444 | rv = 1; | |
1445 | break; | |
1446 | } | |
1447 | } | |
dd0781e5 | 1448 | if (devs_found > 1) { |
aba69144 | 1449 | |
e5329c37 | 1450 | /* must be '-a'. */ |
7236ee7a N |
1451 | if (size >= 0 || raiddisks || chunk || layout_str != NULL || bitmap_file) { |
1452 | fprintf(stderr, Name ": --add cannot be used with other geometry changes in --grow mode\n"); | |
e5329c37 NB |
1453 | rv = 1; |
1454 | break; | |
1455 | } | |
1456 | for (dv=devlist->next; dv ; dv=dv->next) { | |
1457 | rv = Grow_Add_device(devlist->devname, mdfd, dv->devname); | |
1458 | if (rv) | |
1459 | break; | |
1460 | } | |
7236ee7a N |
1461 | } else if (bitmap_file) { |
1462 | if (size >= 0 || raiddisks || chunk || layout_str != NULL) { | |
1463 | fprintf(stderr, Name ": --bitmap changes cannot be used with other geometry changes in --grow mode\n"); | |
1464 | rv = 1; | |
1465 | break; | |
1466 | } | |
1467 | if (delay == 0) | |
1468 | delay = DEFAULT_BITMAP_DELAY; | |
f5e166fe | 1469 | rv = Grow_addbitmap(devlist->devname, mdfd, bitmap_file, |
8fac0577 | 1470 | bitmap_chunk, delay, write_behind, force); |
7236ee7a N |
1471 | } else if (size >= 0 || raiddisks != 0 || layout_str != NULL |
1472 | || chunk != 0 || level != UnSet) { | |
1473 | rv = Grow_reshape(devlist->devname, mdfd, quiet, backup_file, | |
1474 | size, level, layout_str, chunk, raiddisks); | |
84e11361 | 1475 | } else if (array_size < 0) |
b5e64645 | 1476 | fprintf(stderr, Name ": no changes to --grow\n"); |
dd0781e5 | 1477 | break; |
8382f19b NB |
1478 | case INCREMENTAL: |
1479 | if (rebuild_map) { | |
1480 | RebuildMap(); | |
1481 | } | |
1482 | if (scan) { | |
1483 | if (runstop <= 0) { | |
1484 | fprintf(stderr, Name | |
1485 | ": --incremental --scan meaningless without --run.\n"); | |
1486 | break; | |
1487 | } | |
1488 | rv = IncrementalScan(verbose); | |
1489 | } | |
1490 | if (!devlist) { | |
1491 | if (!rebuild_map && !scan) { | |
1492 | fprintf(stderr, Name | |
1493 | ": --incremental requires a device.\n"); | |
1494 | rv = 1; | |
1495 | } | |
1496 | break; | |
1497 | } | |
1498 | if (devlist->next) { | |
1499 | fprintf(stderr, Name | |
1500 | ": --incremental can only handle one device.\n"); | |
1501 | rv = 1; | |
1502 | break; | |
1503 | } | |
1504 | rv = Incremental(devlist->devname, verbose-quiet, runstop, | |
0ac91628 | 1505 | ss, homehost, require_homehost, autof); |
1f48664b NB |
1506 | break; |
1507 | case AUTODETECT: | |
1508 | autodetect(); | |
1509 | break; | |
64c4757e | 1510 | } |
52826846 | 1511 | exit(rv); |
64c4757e | 1512 | } |