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64c4757e | 1 | /* |
9a9dab36 | 2 | * mdadm - manage Linux "md" devices aka RAID arrays. |
64c4757e | 3 | * |
6f02172d | 4 | * Copyright (C) 2001-2013 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 | |
4977146a N |
32 | static int scan_assemble(struct supertype *ss, |
33 | struct context *c, | |
34 | struct mddev_ident *ident); | |
ef898ce6 | 35 | static int misc_scan(char devmode, struct context *c); |
ba728be7 | 36 | static int stop_scan(int verbose); |
7d27d1c0 | 37 | static int misc_list(struct mddev_dev *devlist, |
86da243f | 38 | struct mddev_ident *ident, |
74db60b0 | 39 | char *dump_directory, |
86da243f | 40 | struct supertype *ss, struct context *c); |
d56dd607 | 41 | const char Name[] = "mdadm"; |
7d27d1c0 | 42 | |
52826846 NB |
43 | int main(int argc, char *argv[]) |
44 | { | |
e0d19036 | 45 | int mode = 0; |
52826846 | 46 | int opt; |
e0d19036 | 47 | int option_index; |
52826846 | 48 | int rv; |
f9ce90ba | 49 | int i; |
52826846 | 50 | |
a93f8c65 | 51 | unsigned long long array_size = 0; |
40c9a66a | 52 | unsigned long long data_offset = INVALID_SECTORS; |
fa56eddb | 53 | struct mddev_ident ident; |
52826846 | 54 | char *configfile = NULL; |
1c7a808c | 55 | int devmode = 0; |
c82f047c | 56 | int bitmap_fd = -1; |
a655e550 N |
57 | struct mddev_dev *devlist = NULL; |
58 | struct mddev_dev **devlistend = & devlist; | |
59 | struct mddev_dev *dv; | |
52826846 | 60 | int devs_found = 0; |
38098016 | 61 | char *symlinks = NULL; |
2dddadb0 | 62 | int grow_continue = 0; |
f1ae21c4 NB |
63 | /* autof indicates whether and how to create device node. |
64 | * bottom 3 bits are style. Rest (when shifted) are number of parts | |
65 | * 0 - unset | |
66 | * 1 - don't create (no) | |
67 | * 2 - if is_standard, then create (yes) | |
68 | * 3 - create as 'md' - reject is_standard mdp (md) | |
69 | * 4 - create as 'mdp' - reject is_standard md (mdp) | |
70 | * 5 - default to md if not is_standard (md in config file) | |
71 | * 6 - default to mdp if not is_standard (part, or mdp in config file) | |
72 | */ | |
9e33d556 N |
73 | struct context c = { |
74 | .require_homehost = 1, | |
75 | }; | |
e705e81b | 76 | struct shape s = { |
cc1799c3 | 77 | .journaldisks = 0, |
e705e81b N |
78 | .level = UnSet, |
79 | .layout = UnSet, | |
80 | .bitmap_chunk = UnSet, | |
81 | }; | |
52826846 | 82 | |
05697ec1 | 83 | char sys_hostname[256]; |
52826846 NB |
84 | char *mailaddr = NULL; |
85 | char *program = NULL; | |
9a36a9b7 | 86 | int increments = 20; |
d013a55e | 87 | int daemonise = 0; |
b5e64645 | 88 | char *pidfile = NULL; |
aa88f531 | 89 | int oneshot = 0; |
edde9560 | 90 | int spare_sharing = 1; |
82d9eba6 | 91 | struct supertype *ss = NULL; |
e22fe3ae N |
92 | enum flag_mode writemostly = FlagDefault; |
93 | enum flag_mode failfast = FlagDefault; | |
c06487ce | 94 | char *shortopt = short_options; |
773135f5 | 95 | int dosyslog = 0; |
8382f19b | 96 | int rebuild_map = 0; |
950bc344 | 97 | char *remove_path = NULL; |
20b60dcd | 98 | char *udev_filename = NULL; |
74db60b0 | 99 | char *dump_directory = NULL; |
52826846 | 100 | |
3d4064cc | 101 | int print_help = 0; |
0047d254 | 102 | FILE *outf; |
e5329c37 | 103 | |
52826846 NB |
104 | int mdfd = -1; |
105 | ||
dfe47e00 NB |
106 | srandom(time(0) ^ getpid()); |
107 | ||
52826846 | 108 | ident.uuid_set=0; |
98c6faba NB |
109 | ident.level = UnSet; |
110 | ident.raid_disks = UnSet; | |
111 | ident.super_minor= UnSet; | |
52826846 | 112 | ident.devices=0; |
a75f2fbc NB |
113 | ident.spare_group = NULL; |
114 | ident.autof = 0; | |
a825febc | 115 | ident.st = NULL; |
c82f047c | 116 | ident.bitmap_fd = -1; |
7ef02d01 | 117 | ident.bitmap_file = NULL; |
947fd4dd | 118 | ident.name[0] = 0; |
aef35714 N |
119 | ident.container = NULL; |
120 | ident.member = NULL; | |
52826846 | 121 | |
e0d19036 NB |
122 | while ((option_index = -1) , |
123 | (opt=getopt_long(argc, argv, | |
c06487ce | 124 | shortopt, long_options, |
e0d19036 NB |
125 | &option_index)) != -1) { |
126 | int newmode = mode; | |
35904960 | 127 | /* firstly, some mode-independent options */ |
52826846 | 128 | switch(opt) { |
1c7a808c N |
129 | case HelpOptions: |
130 | print_help = 2; | |
131 | continue; | |
52826846 | 132 | case 'h': |
1c7a808c | 133 | print_help = 1; |
3d4064cc | 134 | continue; |
52826846 NB |
135 | |
136 | case 'V': | |
137 | fputs(Version, stderr); | |
138 | exit(0); | |
139 | ||
9e33d556 | 140 | case 'v': c.verbose++; |
52826846 NB |
141 | continue; |
142 | ||
0937132d | 143 | case 'q': c.verbose--; |
dab6685f NB |
144 | continue; |
145 | ||
c82f047c | 146 | case 'b': |
9d1fbf65 JS |
147 | if (mode == ASSEMBLE || mode == BUILD || |
148 | mode == CREATE || mode == GROW || | |
149 | mode == INCREMENTAL || mode == MANAGE) | |
c82f047c | 150 | break; /* b means bitmap */ |
1c7a808c | 151 | case Brief: |
9e33d556 | 152 | c.brief = 1; |
cd29a5c8 NB |
153 | continue; |
154 | ||
9e33d556 | 155 | case 'Y': c.export++; |
54bad364 KS |
156 | continue; |
157 | ||
997aed5d | 158 | case HomeHost: |
0ac91628 | 159 | if (strcasecmp(optarg, "<ignore>") == 0) |
9e33d556 | 160 | c.require_homehost = 0; |
0ac91628 | 161 | else |
9e33d556 | 162 | c.homehost = optarg; |
997aed5d NB |
163 | continue; |
164 | ||
08ca2adf | 165 | case OffRootOpt: |
3e23ba9d | 166 | /* Silently ignore old option */ |
08ca2adf JS |
167 | continue; |
168 | ||
c2ecf5f6 | 169 | case Prefer: |
9e33d556 N |
170 | if (c.prefer) |
171 | free(c.prefer); | |
172 | if (asprintf(&c.prefer, "/%s/", optarg) <= 0) | |
173 | c.prefer = NULL; | |
c2ecf5f6 N |
174 | continue; |
175 | ||
e0d19036 NB |
176 | case ':': |
177 | case '?': | |
178 | fputs(Usage, stderr); | |
179 | exit(2); | |
180 | } | |
181 | /* second, figure out the mode. | |
182 | * Some options force the mode. Others | |
aba69144 | 183 | * set the mode if it isn't already |
e0d19036 NB |
184 | */ |
185 | ||
186 | switch(opt) { | |
1c7a808c | 187 | case ManageOpt: |
c06487ce | 188 | newmode = MANAGE; |
024768c4 | 189 | shortopt = short_bitmap_options; |
c06487ce | 190 | break; |
e0d19036 | 191 | case 'a': |
1c7a808c | 192 | case Add: |
f33a71f1 | 193 | case AddSpare: |
01290056 | 194 | case AddJournal: |
e0d19036 | 195 | case 'r': |
1c7a808c | 196 | case Remove: |
70c55e36 N |
197 | case Replace: |
198 | case With: | |
e0d19036 | 199 | case 'f': |
1c7a808c | 200 | case Fail: |
41a3b72a | 201 | case ReAdd: /* re-add */ |
4de90913 | 202 | case ClusterConfirm: |
c06487ce NB |
203 | if (!mode) { |
204 | newmode = MANAGE; | |
024768c4 | 205 | shortopt = short_bitmap_options; |
c06487ce | 206 | } |
0320ea45 | 207 | break; |
e0d19036 | 208 | |
18361a1a N |
209 | case 'A': newmode = ASSEMBLE; |
210 | shortopt = short_bitmap_auto_options; | |
211 | break; | |
212 | case 'B': newmode = BUILD; | |
213 | shortopt = short_bitmap_auto_options; | |
214 | break; | |
215 | case 'C': newmode = CREATE; | |
216 | shortopt = short_bitmap_auto_options; | |
217 | break; | |
218 | case 'F': newmode = MONITOR; | |
219 | break; | |
024768c4 DL |
220 | case 'G': newmode = GROW; |
221 | shortopt = short_bitmap_options; | |
222 | break; | |
95b79df0 | 223 | case 'I': newmode = INCREMENTAL; |
18361a1a N |
224 | shortopt = short_bitmap_auto_options; |
225 | break; | |
1f48664b | 226 | case AutoDetect: |
5a53aeec JS |
227 | newmode = AUTODETECT; |
228 | break; | |
e0d19036 | 229 | |
1c7a808c | 230 | case MiscOpt: |
e0d19036 NB |
231 | case 'D': |
232 | case 'E': | |
c82f047c | 233 | case 'X': |
5a53aeec | 234 | case 'Q': |
6d388a88 | 235 | case ExamineBB: |
74db60b0 N |
236 | case Dump: |
237 | case Restore: | |
a740cf64 | 238 | case Action: |
5a53aeec JS |
239 | newmode = MISC; |
240 | break; | |
241 | ||
e0d19036 NB |
242 | case 'R': |
243 | case 'S': | |
244 | case 'o': | |
245 | case 'w': | |
b90c0e9a | 246 | case 'W': |
1c7a808c | 247 | case WaitOpt: |
1770662b | 248 | case Waitclean: |
4cce4069 | 249 | case DetailPlatform: |
33414a01 | 250 | case KillSubarray: |
aa534678 | 251 | case UpdateSubarray: |
20b60dcd | 252 | case UdevRules: |
f7d3febc | 253 | case KillOpt: |
5a53aeec JS |
254 | if (!mode) |
255 | newmode = MISC; | |
256 | break; | |
257 | ||
258 | case NoSharing: | |
259 | newmode = MONITOR; | |
260 | break; | |
e0d19036 NB |
261 | } |
262 | if (mode && newmode == mode) { | |
263 | /* everybody happy ! */ | |
264 | } else if (mode && newmode != mode) { | |
265 | /* not allowed.. */ | |
e7b84f9d | 266 | pr_err(""); |
e0d19036 NB |
267 | if (option_index >= 0) |
268 | fprintf(stderr, "--%s", long_options[option_index].name); | |
269 | else | |
270 | fprintf(stderr, "-%c", opt); | |
e6b64cd0 | 271 | fprintf(stderr, " would set mdadm mode to \"%s\", but it is already set to \"%s\".\n", |
e0d19036 NB |
272 | map_num(modes, newmode), |
273 | map_num(modes, mode)); | |
274 | exit(2); | |
275 | } else if (!mode && newmode) { | |
276 | mode = newmode; | |
dec18cae | 277 | if (mode == MISC && devs_found) { |
e7b84f9d | 278 | pr_err("No action given for %s in --misc mode\n", |
dec18cae | 279 | devlist->devname); |
d33f1518 | 280 | cont_err("Action options must come before device names\n"); |
dec18cae N |
281 | exit(2); |
282 | } | |
e0d19036 NB |
283 | } else { |
284 | /* special case of -c --help */ | |
1c7a808c | 285 | if ((opt == 'c' || opt == ConfigFile) && |
9d1fbf65 JS |
286 | (strncmp(optarg, "--h", 3) == 0 || |
287 | strncmp(optarg, "-h", 2) == 0)) { | |
0047d254 | 288 | fputs(Help_config, stdout); |
e0d19036 | 289 | exit(0); |
cd29a5c8 | 290 | } |
0320ea45 NB |
291 | |
292 | /* If first option is a device, don't force the mode yet */ | |
293 | if (opt == 1) { | |
294 | if (devs_found == 0) { | |
503975b9 | 295 | dv = xmalloc(sizeof(*dv)); |
0320ea45 NB |
296 | dv->devname = optarg; |
297 | dv->disposition = devmode; | |
dfd4d8ee | 298 | dv->writemostly = writemostly; |
71574efb | 299 | dv->failfast = failfast; |
da6b5ca9 | 300 | dv->used = 0; |
0320ea45 NB |
301 | dv->next = NULL; |
302 | *devlistend = dv; | |
303 | devlistend = &dv->next; | |
aba69144 | 304 | |
0320ea45 NB |
305 | devs_found++; |
306 | continue; | |
307 | } | |
308 | /* No mode yet, and this is the second device ... */ | |
e7b84f9d | 309 | pr_err("An option must be given to set the mode before a second device\n" |
a1331cc4 | 310 | " (%s) is listed\n", optarg); |
0320ea45 NB |
311 | exit(2); |
312 | } | |
e0d19036 | 313 | if (option_index >= 0) |
e7b84f9d | 314 | pr_err("--%s", long_options[option_index].name); |
e0d19036 | 315 | else |
e7b84f9d | 316 | pr_err("-%c", opt); |
0320ea45 | 317 | fprintf(stderr, " does not set the mode, and so cannot be the first option.\n"); |
e0d19036 NB |
318 | exit(2); |
319 | } | |
320 | ||
321 | /* if we just set the mode, then done */ | |
322 | switch(opt) { | |
1c7a808c N |
323 | case ManageOpt: |
324 | case MiscOpt: | |
e0d19036 NB |
325 | case 'A': |
326 | case 'B': | |
327 | case 'C': | |
328 | case 'F': | |
dd0781e5 | 329 | case 'G': |
8382f19b | 330 | case 'I': |
1f48664b | 331 | case AutoDetect: |
e0d19036 NB |
332 | continue; |
333 | } | |
334 | if (opt == 1) { | |
9eafa1de | 335 | /* an undecorated option - must be a device name. |
e0d19036 | 336 | */ |
9eafa1de MN |
337 | |
338 | if (devs_found > 0 && devmode == DetailPlatform) { | |
339 | pr_err("controller may only be specified once. %s ignored\n", | |
340 | optarg); | |
341 | continue; | |
342 | } | |
343 | ||
1c7a808c | 344 | if (devs_found > 0 && mode == MANAGE && !devmode) { |
7a862a02 | 345 | pr_err("Must give one of -a/-r/-f for subsequent devices at %s\n", optarg); |
52826846 NB |
346 | exit(2); |
347 | } | |
1c7a808c | 348 | if (devs_found > 0 && mode == GROW && !devmode) { |
7a862a02 | 349 | pr_err("Must give -a/--add for devices to add: %s\n", optarg); |
e5329c37 NB |
350 | exit(2); |
351 | } | |
503975b9 | 352 | dv = xmalloc(sizeof(*dv)); |
cd29a5c8 NB |
353 | dv->devname = optarg; |
354 | dv->disposition = devmode; | |
dfd4d8ee | 355 | dv->writemostly = writemostly; |
71574efb | 356 | dv->failfast = failfast; |
9008ed1c | 357 | dv->used = 0; |
cd29a5c8 NB |
358 | dv->next = NULL; |
359 | *devlistend = dv; | |
360 | devlistend = &dv->next; | |
aba69144 | 361 | |
52826846 NB |
362 | devs_found++; |
363 | continue; | |
682c7051 | 364 | } |
682c7051 | 365 | |
52826846 NB |
366 | /* We've got a mode, and opt is now something else which |
367 | * could depend on the mode */ | |
1c7a808c | 368 | #define O(a,b) ((a<<16)|b) |
52826846 | 369 | switch (O(mode,opt)) { |
7236ee7a | 370 | case O(GROW,'c'): |
1c7a808c | 371 | case O(GROW,ChunkSize): |
e0d19036 | 372 | case O(CREATE,'c'): |
1c7a808c | 373 | case O(CREATE,ChunkSize): |
e0d19036 | 374 | case O(BUILD,'c'): /* chunk or rounding */ |
1c7a808c | 375 | case O(BUILD,ChunkSize): /* chunk or rounding */ |
e705e81b | 376 | if (s.chunk) { |
7a862a02 | 377 | pr_err("chunk/rounding may only be specified once. Second value is %s.\n", optarg); |
52826846 NB |
378 | exit(2); |
379 | } | |
e705e81b | 380 | s.chunk = parse_size(optarg); |
822e393a N |
381 | if (s.chunk == INVALID_SECTORS || |
382 | s.chunk < 8 || (s.chunk&1)) { | |
e7b84f9d | 383 | pr_err("invalid chunk/rounding value: %s\n", |
52826846 NB |
384 | optarg); |
385 | exit(2); | |
386 | } | |
a252c078 | 387 | /* Convert sectors to K */ |
e705e81b | 388 | s.chunk /= 2; |
52826846 | 389 | continue; |
64c4757e | 390 | |
8382f19b | 391 | case O(INCREMENTAL, 'e'): |
f9ce90ba NB |
392 | case O(CREATE,'e'): |
393 | case O(ASSEMBLE,'e'): | |
394 | case O(MISC,'e'): /* set metadata (superblock) information */ | |
395 | if (ss) { | |
e7b84f9d | 396 | pr_err("metadata information already given\n"); |
f9ce90ba NB |
397 | exit(2); |
398 | } | |
aba69144 | 399 | for(i=0; !ss && superlist[i]; i++) |
82d9eba6 NB |
400 | ss = superlist[i]->match_metadata_desc(optarg); |
401 | ||
f9ce90ba | 402 | if (!ss) { |
e7b84f9d | 403 | pr_err("unrecognised metadata identifier: %s\n", optarg); |
f9ce90ba NB |
404 | exit(2); |
405 | } | |
406 | continue; | |
407 | ||
dfd4d8ee | 408 | case O(MANAGE,'W'): |
1c7a808c | 409 | case O(MANAGE,WriteMostly): |
dfd4d8ee | 410 | case O(BUILD,'W'): |
1c7a808c | 411 | case O(BUILD,WriteMostly): |
dfd4d8ee | 412 | case O(CREATE,'W'): |
1c7a808c | 413 | case O(CREATE,WriteMostly): |
dfd4d8ee | 414 | /* set write-mostly for following devices */ |
e22fe3ae | 415 | writemostly = FlagSet; |
dfd4d8ee NB |
416 | continue; |
417 | ||
b3d31955 N |
418 | case O(MANAGE,'w'): |
419 | /* clear write-mostly for following devices */ | |
e22fe3ae | 420 | writemostly = FlagClear; |
b3d31955 N |
421 | continue; |
422 | ||
71574efb N |
423 | case O(MANAGE,FailFast): |
424 | case O(CREATE,FailFast): | |
e22fe3ae | 425 | failfast = FlagSet; |
71574efb N |
426 | continue; |
427 | case O(MANAGE,NoFailFast): | |
e22fe3ae | 428 | failfast = FlagClear; |
71574efb N |
429 | continue; |
430 | ||
dd0781e5 | 431 | case O(GROW,'z'): |
25affb56 PC |
432 | case O(CREATE,'z'): |
433 | case O(BUILD,'z'): /* size */ | |
e705e81b | 434 | if (s.size > 0) { |
7a862a02 | 435 | pr_err("size may only be specified once. Second value is %s.\n", optarg); |
52826846 NB |
436 | exit(2); |
437 | } | |
9d1fbf65 | 438 | if (strcmp(optarg, "max") == 0) |
e705e81b | 439 | s.size = MAX_SIZE; |
dd0781e5 | 440 | else { |
e705e81b | 441 | s.size = parse_size(optarg); |
9d1fbf65 JS |
442 | if (s.size == INVALID_SECTORS || s.size < 8) { |
443 | pr_err("invalid size: %s\n", optarg); | |
dd0781e5 NB |
444 | exit(2); |
445 | } | |
5f4fc0e1 | 446 | /* convert sectors to K */ |
e705e81b | 447 | s.size /= 2; |
52826846 NB |
448 | } |
449 | continue; | |
64c4757e | 450 | |
84e11361 | 451 | case O(GROW,'Z'): /* array size */ |
a93f8c65 | 452 | if (array_size > 0) { |
7a862a02 | 453 | pr_err("array-size may only be specified once. Second value is %s.\n", optarg); |
84e11361 N |
454 | exit(2); |
455 | } | |
456 | if (strcmp(optarg, "max") == 0) | |
a93f8c65 | 457 | array_size = MAX_SIZE; |
84e11361 N |
458 | else { |
459 | array_size = parse_size(optarg); | |
822e393a N |
460 | if (array_size == 0 || |
461 | array_size == INVALID_SECTORS) { | |
e7b84f9d | 462 | pr_err("invalid array size: %s\n", |
84e11361 N |
463 | optarg); |
464 | exit(2); | |
465 | } | |
466 | } | |
467 | continue; | |
468 | ||
40c9a66a N |
469 | case O(CREATE,DataOffset): |
470 | case O(GROW,DataOffset): | |
471 | if (data_offset != INVALID_SECTORS) { | |
7a862a02 | 472 | pr_err("data-offset may only be specified one. Second value is %s.\n", optarg); |
40c9a66a N |
473 | exit(2); |
474 | } | |
9d1fbf65 | 475 | if (mode == CREATE && strcmp(optarg, "variable") == 0) |
72ca9bcf N |
476 | data_offset = VARIABLE_OFFSET; |
477 | else | |
478 | data_offset = parse_size(optarg); | |
40c9a66a | 479 | if (data_offset == INVALID_SECTORS) { |
ed503f89 | 480 | pr_err("invalid data-offset: %s\n", |
40c9a66a N |
481 | optarg); |
482 | exit(2); | |
483 | } | |
484 | continue; | |
485 | ||
7236ee7a | 486 | case O(GROW,'l'): |
e0d19036 NB |
487 | case O(CREATE,'l'): |
488 | case O(BUILD,'l'): /* set raid level*/ | |
e705e81b | 489 | if (s.level != UnSet) { |
7a862a02 | 490 | pr_err("raid level may only be set once. Second value is %s.\n", optarg); |
52826846 NB |
491 | exit(2); |
492 | } | |
e705e81b N |
493 | s.level = map_name(pers, optarg); |
494 | if (s.level == UnSet) { | |
e7b84f9d | 495 | pr_err("invalid raid level: %s\n", |
52826846 NB |
496 | optarg); |
497 | exit(2); | |
498 | } | |
9d1fbf65 JS |
499 | if (s.level != 0 && s.level != LEVEL_LINEAR && |
500 | s.level != 1 && s.level != LEVEL_MULTIPATH && | |
501 | s.level != LEVEL_FAULTY && s.level != 10 && | |
e0fe762a | 502 | mode == BUILD) { |
e7b84f9d | 503 | pr_err("Raid level %s not permitted with --build.\n", |
52826846 NB |
504 | optarg); |
505 | exit(2); | |
506 | } | |
e705e81b | 507 | if (s.sparedisks > 0 && s.level < 1 && s.level >= -1) { |
e7b84f9d | 508 | pr_err("raid level %s is incompatible with spare-devices setting.\n", |
52826846 NB |
509 | optarg); |
510 | exit(2); | |
511 | } | |
e705e81b | 512 | ident.level = s.level; |
52826846 | 513 | continue; |
64c4757e | 514 | |
19678e53 | 515 | case O(GROW, 'p'): /* new layout */ |
1c7a808c | 516 | case O(GROW, Layout): |
e705e81b | 517 | if (s.layout_str) { |
7a862a02 | 518 | pr_err("layout may only be sent once. Second value was %s\n", optarg); |
19678e53 N |
519 | exit(2); |
520 | } | |
e705e81b | 521 | s.layout_str = optarg; |
19678e53 N |
522 | /* 'Grow' will parse the value */ |
523 | continue; | |
524 | ||
e0d19036 | 525 | case O(CREATE,'p'): /* raid5 layout */ |
1c7a808c | 526 | case O(CREATE,Layout): |
b5e64645 | 527 | case O(BUILD,'p'): /* faulty layout */ |
1c7a808c | 528 | case O(BUILD,Layout): |
e705e81b | 529 | if (s.layout != UnSet) { |
7a862a02 | 530 | pr_err("layout may only be sent once. Second value was %s\n", optarg); |
52826846 NB |
531 | exit(2); |
532 | } | |
e705e81b | 533 | switch(s.level) { |
52826846 | 534 | default: |
e7b84f9d | 535 | pr_err("layout not meaningful for %s arrays.\n", |
e705e81b | 536 | map_num(pers, s.level)); |
52826846 | 537 | exit(2); |
98c6faba | 538 | case UnSet: |
e7b84f9d | 539 | pr_err("raid level must be given before layout.\n"); |
52826846 NB |
540 | exit(2); |
541 | ||
542 | case 5: | |
e705e81b N |
543 | s.layout = map_name(r5layout, optarg); |
544 | if (s.layout==UnSet) { | |
e7b84f9d | 545 | pr_err("layout %s not understood for raid5.\n", |
52826846 NB |
546 | optarg); |
547 | exit(2); | |
548 | } | |
549 | break; | |
b640a252 | 550 | case 6: |
e705e81b N |
551 | s.layout = map_name(r6layout, optarg); |
552 | if (s.layout==UnSet) { | |
e7b84f9d | 553 | pr_err("layout %s not understood for raid6.\n", |
b640a252 N |
554 | optarg); |
555 | exit(2); | |
556 | } | |
557 | break; | |
e5329c37 NB |
558 | |
559 | case 10: | |
e705e81b N |
560 | s.layout = parse_layout_10(optarg); |
561 | if (s.layout < 0) { | |
e7b84f9d | 562 | pr_err("layout for raid10 must be 'nNN', 'oNN' or 'fNN' where NN is a number, not %s\n", optarg); |
e5329c37 NB |
563 | exit(2); |
564 | } | |
e5329c37 | 565 | break; |
19678e53 N |
566 | case LEVEL_FAULTY: |
567 | /* Faulty | |
568 | * modeNNN | |
569 | */ | |
e705e81b N |
570 | s.layout = parse_layout_faulty(optarg); |
571 | if (s.layout == -1) { | |
e7b84f9d | 572 | pr_err("layout %s not understood for faulty.\n", |
b5e64645 NB |
573 | optarg); |
574 | exit(2); | |
575 | } | |
4a06e2c2 | 576 | break; |
52826846 NB |
577 | } |
578 | continue; | |
579 | ||
997aed5d NB |
580 | case O(CREATE,AssumeClean): |
581 | case O(BUILD,AssumeClean): /* assume clean */ | |
ce52f92f | 582 | case O(GROW,AssumeClean): |
e705e81b | 583 | s.assume_clean = 1; |
dd0781e5 NB |
584 | continue; |
585 | ||
586 | case O(GROW,'n'): | |
e0d19036 NB |
587 | case O(CREATE,'n'): |
588 | case O(BUILD,'n'): /* number of raid disks */ | |
e705e81b | 589 | if (s.raiddisks) { |
e7b84f9d | 590 | pr_err("raid-devices set twice: %d and %s\n", |
e705e81b | 591 | s.raiddisks, optarg); |
52826846 NB |
592 | exit(2); |
593 | } | |
e705e81b N |
594 | s.raiddisks = parse_num(optarg); |
595 | if (s.raiddisks <= 0) { | |
e7b84f9d | 596 | pr_err("invalid number of raid devices: %s\n", |
52826846 NB |
597 | optarg); |
598 | exit(2); | |
599 | } | |
e705e81b | 600 | ident.raid_disks = s.raiddisks; |
52826846 | 601 | continue; |
7e6e839a | 602 | case O(ASSEMBLE, Nodes): |
6447a127 | 603 | case O(GROW, Nodes): |
529e2aa5 GJ |
604 | case O(CREATE, Nodes): |
605 | c.nodes = parse_num(optarg); | |
606 | if (c.nodes <= 0) { | |
607 | pr_err("invalid number for the number of cluster nodes: %s\n", | |
608 | optarg); | |
609 | exit(2); | |
610 | } | |
611 | continue; | |
7716570e | 612 | case O(CREATE, ClusterName): |
0aa2f15b | 613 | case O(ASSEMBLE, ClusterName): |
7716570e GJ |
614 | c.homecluster = optarg; |
615 | if (strlen(c.homecluster) > 64) { | |
616 | pr_err("Cluster name too big.\n"); | |
617 | exit(ERANGE); | |
618 | } | |
619 | continue; | |
18361a1a | 620 | case O(CREATE,'x'): /* number of spare (eXtra) disks */ |
e705e81b | 621 | if (s.sparedisks) { |
e7b84f9d | 622 | pr_err("spare-devices set twice: %d and %s\n", |
e705e81b | 623 | s.sparedisks, optarg); |
52826846 NB |
624 | exit(2); |
625 | } | |
e705e81b | 626 | if (s.level != UnSet && s.level <= 0 && s.level >= -1) { |
e7b84f9d | 627 | pr_err("spare-devices setting is incompatible with raid level %d\n", |
e705e81b | 628 | s.level); |
52826846 NB |
629 | exit(2); |
630 | } | |
e705e81b N |
631 | s.sparedisks = parse_num(optarg); |
632 | if (s.sparedisks < 0) { | |
e7b84f9d | 633 | pr_err("invalid number of spare-devices: %s\n", |
52826846 NB |
634 | optarg); |
635 | exit(2); | |
636 | } | |
637 | continue; | |
dd0781e5 NB |
638 | |
639 | case O(CREATE,'a'): | |
1c7a808c | 640 | case O(CREATE,Auto): |
dd0781e5 | 641 | case O(BUILD,'a'): |
1c7a808c | 642 | case O(BUILD,Auto): |
95b79df0 | 643 | case O(INCREMENTAL,'a'): |
1c7a808c N |
644 | case O(INCREMENTAL,Auto): |
645 | case O(ASSEMBLE,'a'): | |
646 | case O(ASSEMBLE,Auto): /* auto-creation of device node */ | |
9e33d556 | 647 | c.autof = parse_auto(optarg, "--auto flag", 0); |
dd0781e5 NB |
648 | continue; |
649 | ||
38098016 NB |
650 | case O(CREATE,Symlinks): |
651 | case O(BUILD,Symlinks): | |
652 | case O(ASSEMBLE,Symlinks): /* auto creation of symlinks in /dev to /dev/md */ | |
653 | symlinks = optarg; | |
654 | continue; | |
655 | ||
aa88f531 | 656 | case O(BUILD,'f'): /* force honouring '-n 1' */ |
1c7a808c | 657 | case O(BUILD,Force): /* force honouring '-n 1' */ |
bd72c2b2 | 658 | case O(GROW,'f'): /* ditto */ |
1c7a808c | 659 | case O(GROW,Force): /* ditto */ |
e0d19036 | 660 | case O(CREATE,'f'): /* force honouring of device list */ |
1c7a808c | 661 | case O(CREATE,Force): /* force honouring of device list */ |
e0d19036 | 662 | case O(ASSEMBLE,'f'): /* force assembly */ |
1c7a808c | 663 | case O(ASSEMBLE,Force): /* force assembly */ |
e0d19036 | 664 | case O(MISC,'f'): /* force zero */ |
1c7a808c | 665 | case O(MISC,Force): /* force zero */ |
11b391ec | 666 | case O(MANAGE,Force): /* add device which is too large */ |
9e33d556 | 667 | c.force=1; |
52826846 | 668 | continue; |
52826846 | 669 | /* now for the Assemble options */ |
b76b30e0 AK |
670 | case O(ASSEMBLE, FreezeReshape): /* Freeze reshape during |
671 | * initrd phase */ | |
672 | case O(INCREMENTAL, FreezeReshape): | |
9e33d556 | 673 | c.freeze_reshape = 1; |
b76b30e0 | 674 | continue; |
3d3dd91e | 675 | case O(CREATE,'u'): /* uuid of array */ |
e0d19036 | 676 | case O(ASSEMBLE,'u'): /* uuid of array */ |
52826846 | 677 | if (ident.uuid_set) { |
7a862a02 | 678 | pr_err("uuid cannot be set twice. Second value %s.\n", optarg); |
52826846 NB |
679 | exit(2); |
680 | } | |
681 | if (parse_uuid(optarg, ident.uuid)) | |
682 | ident.uuid_set = 1; | |
683 | else { | |
e7b84f9d | 684 | pr_err("Bad uuid: %s\n", optarg); |
52826846 NB |
685 | exit(2); |
686 | } | |
687 | continue; | |
688 | ||
947fd4dd NB |
689 | case O(CREATE,'N'): |
690 | case O(ASSEMBLE,'N'): | |
aa534678 | 691 | case O(MISC,'N'): |
947fd4dd | 692 | if (ident.name[0]) { |
7a862a02 | 693 | pr_err("name cannot be set twice. Second value %s.\n", optarg); |
947fd4dd NB |
694 | exit(2); |
695 | } | |
9e33d556 | 696 | if (mode == MISC && !c.subarray) { |
e7b84f9d | 697 | pr_err("-N/--name only valid with --update-subarray in misc mode\n"); |
aa534678 DW |
698 | exit(2); |
699 | } | |
947fd4dd | 700 | if (strlen(optarg) > 32) { |
e7b84f9d | 701 | pr_err("name '%s' is too long, 32 chars max.\n", |
947fd4dd NB |
702 | optarg); |
703 | exit(2); | |
704 | } | |
705 | strcpy(ident.name, optarg); | |
706 | continue; | |
707 | ||
e0d19036 | 708 | case O(ASSEMBLE,'m'): /* super-minor for array */ |
1c7a808c | 709 | case O(ASSEMBLE,SuperMinor): |
98c6faba | 710 | if (ident.super_minor != UnSet) { |
7a862a02 | 711 | pr_err("super-minor cannot be set twice. Second value: %s.\n", optarg); |
cd29a5c8 NB |
712 | exit(2); |
713 | } | |
9d1fbf65 | 714 | if (strcmp(optarg, "dev") == 0) |
d013a55e NB |
715 | ident.super_minor = -2; |
716 | else { | |
79868890 N |
717 | ident.super_minor = parse_num(optarg); |
718 | if (ident.super_minor < 0) { | |
e7b84f9d | 719 | pr_err("Bad super-minor number: %s.\n", optarg); |
d013a55e NB |
720 | exit(2); |
721 | } | |
cd29a5c8 NB |
722 | } |
723 | continue; | |
724 | ||
0ea8f5b1 N |
725 | case O(ASSEMBLE,'o'): |
726 | case O(MANAGE,'o'): | |
727 | case O(CREATE,'o'): | |
9e33d556 | 728 | c.readonly = 1; |
0ea8f5b1 N |
729 | continue; |
730 | ||
5787fa49 | 731 | case O(ASSEMBLE,'U'): /* update the superblock */ |
aa534678 | 732 | case O(MISC,'U'): |
9e33d556 | 733 | if (c.update) { |
7a862a02 | 734 | pr_err("Can only update one aspect of superblock, both %s and %s given.\n", |
9e33d556 | 735 | c.update, optarg); |
5787fa49 NB |
736 | exit(2); |
737 | } | |
9e33d556 | 738 | if (mode == MISC && !c.subarray) { |
7a862a02 | 739 | pr_err("Only subarrays can be updated in misc mode\n"); |
aa534678 DW |
740 | exit(2); |
741 | } | |
9e33d556 | 742 | c.update = optarg; |
9d1fbf65 | 743 | if (strcmp(c.update, "sparc2.2") == 0) |
e5329c37 | 744 | continue; |
9e33d556 | 745 | if (strcmp(c.update, "super-minor") == 0) |
5787fa49 | 746 | continue; |
9d1fbf65 | 747 | if (strcmp(c.update, "summaries") == 0) |
feb716e9 | 748 | continue; |
9d1fbf65 | 749 | if (strcmp(c.update, "resync") == 0) |
e5329c37 | 750 | continue; |
9d1fbf65 | 751 | if (strcmp(c.update, "uuid") == 0) |
7d99579f | 752 | continue; |
9d1fbf65 | 753 | if (strcmp(c.update, "name") == 0) |
c4f12c13 | 754 | continue; |
9d1fbf65 | 755 | if (strcmp(c.update, "homehost") == 0) |
0237e0ca | 756 | continue; |
9d1fbf65 | 757 | if (strcmp(c.update, "home-cluster") == 0) |
0aa2f15b | 758 | continue; |
9d1fbf65 | 759 | if (strcmp(c.update, "nodes") == 0) |
7e6e839a | 760 | continue; |
9d1fbf65 | 761 | if (strcmp(c.update, "devicesize") == 0) |
bee8ec56 | 762 | continue; |
9d1fbf65 | 763 | if (strcmp(c.update, "no-bitmap") == 0) |
5a31170d | 764 | continue; |
688e99a7 N |
765 | if (strcmp(c.update, "bbl") == 0) |
766 | continue; | |
767 | if (strcmp(c.update, "no-bbl") == 0) | |
768 | continue; | |
6dd16dac N |
769 | if (strcmp(c.update, "force-no-bbl") == 0) |
770 | continue; | |
afa368f4 N |
771 | if (strcmp(c.update, "metadata") == 0) |
772 | continue; | |
199f1a1f N |
773 | if (strcmp(c.update, "revert-reshape") == 0) |
774 | continue; | |
9e33d556 | 775 | if (strcmp(c.update, "byteorder")==0) { |
586ed405 | 776 | if (ss) { |
7a862a02 | 777 | pr_err("must not set metadata type with --update=byteorder.\n"); |
586ed405 NB |
778 | exit(2); |
779 | } | |
aba69144 | 780 | for(i=0; !ss && superlist[i]; i++) |
833bb0f8 N |
781 | ss = superlist[i]->match_metadata_desc( |
782 | "0.swap"); | |
586ed405 | 783 | if (!ss) { |
7a862a02 | 784 | pr_err("INTERNAL ERROR cannot find 0.swap\n"); |
586ed405 NB |
785 | exit(2); |
786 | } | |
787 | ||
788 | continue; | |
789 | } | |
9e33d556 N |
790 | if (strcmp(c.update,"?") == 0 || |
791 | strcmp(c.update, "help") == 0) { | |
0047d254 | 792 | outf = stdout; |
d56dd607 | 793 | fprintf(outf, "%s: ", Name); |
0047d254 NB |
794 | } else { |
795 | outf = stderr; | |
796 | fprintf(outf, | |
d56dd607 PB |
797 | "%s: '--update=%s' is invalid. ", |
798 | Name, c.update); | |
0047d254 NB |
799 | } |
800 | fprintf(outf, "Valid --update options are:\n" | |
7e6e839a | 801 | " 'sparc2.2', 'super-minor', 'uuid', 'name', 'nodes', 'resync',\n" |
0aa2f15b | 802 | " 'summaries', 'homehost', 'home-cluster', 'byteorder', 'devicesize',\n" |
c60495c8 | 803 | " 'no-bitmap', 'metadata', 'revert-reshape'\n" |
6dd16dac | 804 | " 'bbl', 'no-bbl', 'force-no-bbl'\n" |
c60495c8 | 805 | ); |
0047d254 | 806 | exit(outf == stdout ? 0 : 2); |
5787fa49 | 807 | |
833bb0f8 N |
808 | case O(MANAGE,'U'): |
809 | /* update=devicesize is allowed with --re-add */ | |
c8e1a230 | 810 | if (devmode != 'A') { |
7a862a02 | 811 | pr_err("--update in Manage mode only allowed with --re-add.\n"); |
833bb0f8 N |
812 | exit(1); |
813 | } | |
9e33d556 | 814 | if (c.update) { |
7a862a02 | 815 | pr_err("Can only update one aspect of superblock, both %s and %s given.\n", |
9e33d556 | 816 | c.update, optarg); |
833bb0f8 N |
817 | exit(2); |
818 | } | |
9e33d556 | 819 | c.update = optarg; |
688e99a7 N |
820 | if (strcmp(c.update, "devicesize") != 0 && |
821 | strcmp(c.update, "bbl") != 0 && | |
6dd16dac | 822 | strcmp(c.update, "force-no-bbl") != 0 && |
688e99a7 | 823 | strcmp(c.update, "no-bbl") != 0) { |
6dd16dac | 824 | pr_err("only 'devicesize', 'bbl', 'no-bbl', and 'force-no-bbl' can be updated with --re-add\n"); |
833bb0f8 N |
825 | exit(2); |
826 | } | |
827 | continue; | |
828 | ||
172356c9 | 829 | case O(INCREMENTAL,NoDegraded): |
e7b84f9d | 830 | pr_err("--no-degraded is deprecated in Incremental mode\n"); |
997aed5d | 831 | case O(ASSEMBLE,NoDegraded): /* --no-degraded */ |
9e33d556 N |
832 | c.runstop = -1; /* --stop isn't allowed for --assemble, |
833 | * so we overload slightly */ | |
b8a8ccf9 NB |
834 | continue; |
835 | ||
1c7a808c N |
836 | case O(ASSEMBLE,'c'): |
837 | case O(ASSEMBLE,ConfigFile): | |
7b187ed7 | 838 | case O(INCREMENTAL, 'c'): |
1c7a808c | 839 | case O(INCREMENTAL, ConfigFile): |
2d465520 | 840 | case O(MISC, 'c'): |
1c7a808c | 841 | case O(MISC, ConfigFile): |
e0d19036 | 842 | case O(MONITOR,'c'): |
1c7a808c | 843 | case O(MONITOR,ConfigFile): |
9ccfd3be | 844 | case O(CREATE,ConfigFile): |
52826846 | 845 | if (configfile) { |
7a862a02 | 846 | pr_err("configfile cannot be set twice. Second value is %s.\n", optarg); |
52826846 NB |
847 | exit(2); |
848 | } | |
849 | configfile = optarg; | |
8aec876d | 850 | set_conffile(configfile); |
52826846 NB |
851 | /* FIXME possibly check that config file exists. Even parse it */ |
852 | continue; | |
e0d19036 NB |
853 | case O(ASSEMBLE,'s'): /* scan */ |
854 | case O(MISC,'s'): | |
855 | case O(MONITOR,'s'): | |
8382f19b | 856 | case O(INCREMENTAL,'s'): |
9e33d556 | 857 | c.scan = 1; |
52826846 NB |
858 | continue; |
859 | ||
e0d19036 | 860 | case O(MONITOR,'m'): /* mail address */ |
1c7a808c | 861 | case O(MONITOR,EMail): |
52826846 | 862 | if (mailaddr) |
e7b84f9d | 863 | pr_err("only specify one mailaddress. %s ignored.\n", |
52826846 NB |
864 | optarg); |
865 | else | |
866 | mailaddr = optarg; | |
867 | continue; | |
868 | ||
e0d19036 | 869 | case O(MONITOR,'p'): /* alert program */ |
1c7a808c | 870 | case O(MONITOR,ProgramOpt): /* alert program */ |
52826846 | 871 | if (program) |
e7b84f9d | 872 | pr_err("only specify one alter program. %s ignored.\n", |
52826846 NB |
873 | optarg); |
874 | else | |
875 | program = optarg; | |
876 | continue; | |
64c4757e | 877 | |
9a36a9b7 | 878 | case O(MONITOR,'r'): /* rebuild increments */ |
1c7a808c | 879 | case O(MONITOR,Increment): |
9a36a9b7 | 880 | increments = atoi(optarg); |
18361a1a | 881 | if (increments > 99 || increments < 1) { |
e7b84f9d | 882 | pr_err("please specify positive integer between 1 and 99 as rebuild increments.\n"); |
9a36a9b7 ZB |
883 | exit(2); |
884 | } | |
885 | continue; | |
886 | ||
e0d19036 | 887 | case O(MONITOR,'d'): /* delay in seconds */ |
f5e166fe | 888 | case O(GROW, 'd'): |
c82f047c NB |
889 | case O(BUILD,'d'): /* delay for bitmap updates */ |
890 | case O(CREATE,'d'): | |
9e33d556 | 891 | if (c.delay) |
e7b84f9d | 892 | pr_err("only specify delay once. %s ignored.\n", |
52826846 NB |
893 | optarg); |
894 | else { | |
9e33d556 N |
895 | c.delay = parse_num(optarg); |
896 | if (c.delay < 1) { | |
e7b84f9d | 897 | pr_err("invalid delay: %s\n", |
52826846 NB |
898 | optarg); |
899 | exit(2); | |
900 | } | |
901 | } | |
902 | continue; | |
d013a55e | 903 | case O(MONITOR,'f'): /* daemonise */ |
1c7a808c | 904 | case O(MONITOR,Fork): |
d013a55e NB |
905 | daemonise = 1; |
906 | continue; | |
b5e64645 NB |
907 | case O(MONITOR,'i'): /* pid */ |
908 | if (pidfile) | |
e7b84f9d | 909 | pr_err("only specify one pid file. %s ignored.\n", |
b5e64645 NB |
910 | optarg); |
911 | else | |
912 | pidfile = optarg; | |
913 | continue; | |
aa88f531 NB |
914 | case O(MONITOR,'1'): /* oneshot */ |
915 | oneshot = 1; | |
3f555346 | 916 | spare_sharing = 0; |
aa88f531 | 917 | continue; |
98c6faba | 918 | case O(MONITOR,'t'): /* test */ |
9e33d556 | 919 | c.test = 1; |
98c6faba | 920 | continue; |
773135f5 | 921 | case O(MONITOR,'y'): /* log messages to syslog */ |
6ac8aac2 | 922 | openlog("mdadm", LOG_PID, SYSLOG_FACILITY); |
773135f5 NB |
923 | dosyslog = 1; |
924 | continue; | |
edde9560 AC |
925 | case O(MONITOR, NoSharing): |
926 | spare_sharing = 0; | |
927 | continue; | |
18361a1a | 928 | |
52826846 NB |
929 | /* now the general management options. Some are applicable |
930 | * to other modes. None have arguments. | |
931 | */ | |
e5329c37 | 932 | case O(GROW,'a'): |
1c7a808c N |
933 | case O(GROW,Add): |
934 | case O(MANAGE,'a'): | |
935 | case O(MANAGE,Add): /* add a drive */ | |
52826846 | 936 | devmode = 'a'; |
fe80f49b | 937 | continue; |
f33a71f1 N |
938 | case O(MANAGE,AddSpare): /* add drive - never re-add */ |
939 | devmode = 'S'; | |
940 | continue; | |
01290056 SL |
941 | case O(MANAGE,AddJournal): /* add journal */ |
942 | if (s.journaldisks && (s.level < 4 || s.level > 6)) { | |
943 | pr_err("--add-journal is only supported for RAID level 4/5/6.\n"); | |
944 | exit(2); | |
945 | } | |
946 | devmode = 'j'; | |
947 | continue; | |
997aed5d | 948 | case O(MANAGE,ReAdd): |
c8e1a230 | 949 | devmode = 'A'; |
52826846 | 950 | continue; |
e0d19036 | 951 | case O(MANAGE,'r'): /* remove a drive */ |
1c7a808c | 952 | case O(MANAGE,Remove): |
52826846 NB |
953 | devmode = 'r'; |
954 | continue; | |
e0d19036 | 955 | case O(MANAGE,'f'): /* set faulty */ |
1c7a808c N |
956 | case O(MANAGE,Fail): |
957 | case O(INCREMENTAL,'f'): | |
958 | case O(INCREMENTAL,Remove): | |
959 | case O(INCREMENTAL,Fail): /* r for incremental is taken, use f | |
7d27d1c0 N |
960 | * even though we will both fail and |
961 | * remove the device */ | |
52826846 NB |
962 | devmode = 'f'; |
963 | continue; | |
4de90913 GJ |
964 | case O(MANAGE, ClusterConfirm): |
965 | devmode = 'c'; | |
966 | continue; | |
70c55e36 N |
967 | case O(MANAGE,Replace): |
968 | /* Mark these devices for replacement */ | |
969 | devmode = 'R'; | |
970 | continue; | |
971 | case O(MANAGE,With): | |
972 | /* These are the replacements to use */ | |
973 | if (devmode != 'R') { | |
974 | pr_err("--with must follow --replace\n"); | |
975 | exit(2); | |
976 | } | |
977 | devmode = 'W'; | |
978 | continue; | |
8382f19b | 979 | case O(INCREMENTAL,'R'): |
e0d19036 NB |
980 | case O(MANAGE,'R'): |
981 | case O(ASSEMBLE,'R'): | |
982 | case O(BUILD,'R'): | |
983 | case O(CREATE,'R'): /* Run the array */ | |
9e33d556 | 984 | if (c.runstop < 0) { |
e7b84f9d | 985 | pr_err("Cannot both Stop and Run an array\n"); |
52826846 NB |
986 | exit(2); |
987 | } | |
9e33d556 | 988 | c.runstop = 1; |
52826846 | 989 | continue; |
e0d19036 | 990 | case O(MANAGE,'S'): |
9e33d556 | 991 | if (c.runstop > 0) { |
e7b84f9d | 992 | pr_err("Cannot both Run and Stop an array\n"); |
52826846 NB |
993 | exit(2); |
994 | } | |
9e33d556 | 995 | c.runstop = -1; |
52826846 | 996 | continue; |
7d2e6486 | 997 | case O(MANAGE,'t'): |
9e33d556 | 998 | c.test = 1; |
7d2e6486 | 999 | continue; |
52826846 | 1000 | |
e0d19036 NB |
1001 | case O(MISC,'Q'): |
1002 | case O(MISC,'D'): | |
1003 | case O(MISC,'E'): | |
f7d3febc | 1004 | case O(MISC,KillOpt): |
e0d19036 NB |
1005 | case O(MISC,'R'): |
1006 | case O(MISC,'S'): | |
c82f047c | 1007 | case O(MISC,'X'): |
6d388a88 | 1008 | case O(MISC, ExamineBB): |
e0d19036 NB |
1009 | case O(MISC,'o'): |
1010 | case O(MISC,'w'): | |
b90c0e9a | 1011 | case O(MISC,'W'): |
1c7a808c | 1012 | case O(MISC, WaitOpt): |
1770662b | 1013 | case O(MISC, Waitclean): |
4cce4069 | 1014 | case O(MISC, DetailPlatform): |
33414a01 | 1015 | case O(MISC, KillSubarray): |
aa534678 | 1016 | case O(MISC, UpdateSubarray): |
74db60b0 N |
1017 | case O(MISC, Dump): |
1018 | case O(MISC, Restore): | |
a740cf64 | 1019 | case O(MISC ,Action): |
5a53aeec | 1020 | if (opt == KillSubarray || opt == UpdateSubarray) { |
9e33d556 | 1021 | if (c.subarray) { |
7a862a02 | 1022 | pr_err("subarray can only be specified once\n"); |
5a53aeec JS |
1023 | exit(2); |
1024 | } | |
9e33d556 | 1025 | c.subarray = optarg; |
5a53aeec | 1026 | } |
a740cf64 N |
1027 | if (opt == Action) { |
1028 | if (c.action) { | |
1029 | pr_err("Only one --action can be specified\n"); | |
1030 | exit(2); | |
1031 | } | |
1032 | if (strcmp(optarg, "idle") == 0 || | |
1033 | strcmp(optarg, "frozen") == 0 || | |
1034 | strcmp(optarg, "check") == 0 || | |
1035 | strcmp(optarg, "repair") == 0) | |
1036 | c.action = optarg; | |
1037 | else { | |
1038 | pr_err("action must be one of idle, frozen, check, repair\n"); | |
1039 | exit(2); | |
1040 | } | |
1041 | } | |
e0d19036 | 1042 | if (devmode && devmode != opt && |
9d1fbf65 JS |
1043 | (devmode == 'E' || |
1044 | (opt == 'E' && devmode != 'Q'))) { | |
e7b84f9d | 1045 | pr_err("--examine/-E cannot be given with "); |
aa534678 DW |
1046 | if (devmode == 'E') { |
1047 | if (option_index >= 0) | |
1048 | fprintf(stderr, "--%s\n", | |
1049 | long_options[option_index].name); | |
1050 | else | |
1051 | fprintf(stderr, "-%c\n", opt); | |
1052 | } else if (isalpha(devmode)) | |
1053 | fprintf(stderr, "-%c\n", devmode); | |
1054 | else | |
1055 | fprintf(stderr, "previous option\n"); | |
e0d19036 NB |
1056 | exit(2); |
1057 | } | |
1058 | devmode = opt; | |
74db60b0 N |
1059 | if (opt == Dump || opt == Restore) { |
1060 | if (dump_directory != NULL) { | |
1061 | pr_err("dump/restore directory specified twice: %s and %s\n", | |
1062 | dump_directory, optarg); | |
1063 | exit(2); | |
1064 | } | |
1065 | dump_directory = optarg; | |
1066 | } | |
e0d19036 | 1067 | continue; |
7d27d1c0 N |
1068 | case O(MISC, UdevRules): |
1069 | if (devmode && devmode != opt) { | |
7a862a02 | 1070 | pr_err("--udev-rules must be the only option.\n"); |
7d27d1c0 N |
1071 | } else { |
1072 | if (udev_filename) | |
7a862a02 | 1073 | pr_err("only specify one udev rule filename. %s ignored.\n", |
7d27d1c0 N |
1074 | optarg); |
1075 | else | |
1076 | udev_filename = optarg; | |
1077 | } | |
1078 | devmode = opt; | |
1079 | continue; | |
feb716e9 | 1080 | case O(MISC,'t'): |
9e33d556 | 1081 | c.test = 1; |
feb716e9 | 1082 | continue; |
e0d19036 | 1083 | |
997aed5d | 1084 | case O(MISC, Sparc22): |
bd526cee | 1085 | if (devmode != 'E') { |
e7b84f9d | 1086 | pr_err("--sparc2.2 only allowed with --examine\n"); |
bd526cee NB |
1087 | exit(2); |
1088 | } | |
9e33d556 | 1089 | c.SparcAdjust = 1; |
bd526cee | 1090 | continue; |
c82f047c NB |
1091 | |
1092 | case O(ASSEMBLE,'b'): /* here we simply set the bitmap file */ | |
1c7a808c | 1093 | case O(ASSEMBLE,Bitmap): |
c82f047c | 1094 | if (!optarg) { |
e7b84f9d | 1095 | pr_err("bitmap file needed with -b in --assemble mode\n"); |
c82f047c NB |
1096 | exit(2); |
1097 | } | |
9d1fbf65 | 1098 | if (strcmp(optarg, "internal") == 0) { |
e7b84f9d | 1099 | pr_err("there is no need to specify --bitmap when assembling arrays with internal bitmaps\n"); |
55935d51 NB |
1100 | continue; |
1101 | } | |
c82f047c NB |
1102 | bitmap_fd = open(optarg, O_RDWR); |
1103 | if (!*optarg || bitmap_fd < 0) { | |
e7b84f9d | 1104 | pr_err("cannot open bitmap file %s: %s\n", optarg, strerror(errno)); |
c82f047c NB |
1105 | exit(2); |
1106 | } | |
1107 | ident.bitmap_fd = bitmap_fd; /* for Assemble */ | |
1108 | continue; | |
f5e166fe | 1109 | |
997aed5d NB |
1110 | case O(ASSEMBLE, BackupFile): |
1111 | case O(GROW, BackupFile): | |
06b0d786 NB |
1112 | /* Specify a file into which grow might place a backup, |
1113 | * or from which assemble might recover a backup | |
1114 | */ | |
9e33d556 | 1115 | if (c.backup_file) { |
e7b84f9d | 1116 | pr_err("backup file already specified, rejecting %s\n", optarg); |
06b0d786 NB |
1117 | exit(2); |
1118 | } | |
9e33d556 | 1119 | c.backup_file = optarg; |
06b0d786 NB |
1120 | continue; |
1121 | ||
2dddadb0 AK |
1122 | case O(GROW, Continue): |
1123 | /* Continue interrupted grow | |
1124 | */ | |
1125 | grow_continue = 1; | |
1126 | continue; | |
87f26d14 N |
1127 | case O(ASSEMBLE, InvalidBackup): |
1128 | /* Acknowledge that the backupfile is invalid, but ask | |
1129 | * to continue anyway | |
1130 | */ | |
9e33d556 | 1131 | c.invalid_backup = 1; |
87f26d14 N |
1132 | continue; |
1133 | ||
c82f047c | 1134 | case O(BUILD,'b'): |
1c7a808c N |
1135 | case O(BUILD,Bitmap): |
1136 | case O(CREATE,'b'): | |
1137 | case O(CREATE,Bitmap): /* here we create the bitmap */ | |
85375d6d | 1138 | case O(GROW,'b'): |
1c7a808c | 1139 | case O(GROW,Bitmap): |
9d1fbf65 JS |
1140 | if (strcmp(optarg, "internal") == 0 || |
1141 | strcmp(optarg, "none") == 0 || | |
1e0d770c | 1142 | strchr(optarg, '/') != NULL) { |
e705e81b | 1143 | s.bitmap_file = optarg; |
1e0d770c NB |
1144 | continue; |
1145 | } | |
9d1fbf65 | 1146 | if (strcmp(optarg, "clustered") == 0) { |
529e2aa5 GJ |
1147 | s.bitmap_file = optarg; |
1148 | /* Set the default number of cluster nodes | |
1149 | * to 4 if not already set by user | |
1150 | */ | |
1151 | if (c.nodes < 1) | |
1152 | c.nodes = 4; | |
1153 | continue; | |
1154 | } | |
1e0d770c | 1155 | /* probable typo */ |
e19a149c | 1156 | pr_err("bitmap file must contain a '/', or be 'internal', or be 'clustered', or 'none'\n" |
a1331cc4 | 1157 | " not '%s'\n", optarg); |
1e0d770c | 1158 | exit(2); |
c82f047c | 1159 | |
997aed5d NB |
1160 | case O(GROW,BitmapChunk): |
1161 | case O(BUILD,BitmapChunk): | |
1162 | case O(CREATE,BitmapChunk): /* bitmap chunksize */ | |
e705e81b | 1163 | s.bitmap_chunk = parse_size(optarg); |
822e393a N |
1164 | if (s.bitmap_chunk == 0 || |
1165 | s.bitmap_chunk == INVALID_SECTORS || | |
e705e81b | 1166 | s.bitmap_chunk & (s.bitmap_chunk - 1)) { |
e7b84f9d N |
1167 | pr_err("invalid bitmap chunksize: %s\n", |
1168 | optarg); | |
c82f047c NB |
1169 | exit(2); |
1170 | } | |
e705e81b | 1171 | s.bitmap_chunk = s.bitmap_chunk * 512; |
c82f047c | 1172 | continue; |
dfd4d8ee | 1173 | |
7d19ad0d | 1174 | case O(GROW, WriteBehind): |
997aed5d NB |
1175 | case O(BUILD, WriteBehind): |
1176 | case O(CREATE, WriteBehind): /* write-behind mode */ | |
e705e81b | 1177 | s.write_behind = DEFAULT_MAX_WRITE_BEHIND; |
dfd4d8ee | 1178 | if (optarg) { |
e705e81b N |
1179 | s.write_behind = parse_num(optarg); |
1180 | if (s.write_behind < 0 || | |
1181 | s.write_behind > 16383) { | |
e7b84f9d | 1182 | pr_err("Invalid value for maximum outstanding write-behind writes: %s.\n\tMust be between 0 and 16383.\n", optarg); |
dfd4d8ee NB |
1183 | exit(2); |
1184 | } | |
1185 | } | |
1186 | continue; | |
8382f19b NB |
1187 | |
1188 | case O(INCREMENTAL, 'r'): | |
1c7a808c | 1189 | case O(INCREMENTAL, RebuildMapOpt): |
8382f19b NB |
1190 | rebuild_map = 1; |
1191 | continue; | |
950bc344 PC |
1192 | case O(INCREMENTAL, IncrementalPath): |
1193 | remove_path = optarg; | |
1194 | continue; | |
cc1799c3 SL |
1195 | case O(CREATE, WriteJournal): |
1196 | if (s.journaldisks) { | |
1197 | pr_err("Please specify only one journal device for the array.\n"); | |
1198 | pr_err("Ignoring --write-journal %s...\n", optarg); | |
1199 | continue; | |
1200 | } | |
1201 | dv = xmalloc(sizeof(*dv)); | |
1202 | dv->devname = optarg; | |
1203 | dv->disposition = 'j'; /* WriteJournal */ | |
1204 | dv->used = 0; | |
1205 | dv->next = NULL; | |
1206 | *devlistend = dv; | |
1207 | devlistend = &dv->next; | |
1208 | devs_found++; | |
1209 | ||
1210 | s.journaldisks = 1; | |
1211 | continue; | |
52826846 NB |
1212 | } |
1213 | /* We have now processed all the valid options. Anything else is | |
1214 | * an error | |
1215 | */ | |
06b0d786 | 1216 | if (option_index > 0) |
e7b84f9d | 1217 | pr_err(":option --%s not valid in %s mode\n", |
06b0d786 NB |
1218 | long_options[option_index].name, |
1219 | map_num(modes, mode)); | |
1220 | else | |
e7b84f9d | 1221 | pr_err("option -%c not valid in %s mode\n", |
06b0d786 | 1222 | opt, map_num(modes, mode)); |
64c4757e | 1223 | exit(2); |
52826846 NB |
1224 | |
1225 | } | |
1226 | ||
3d4064cc | 1227 | if (print_help) { |
5187a385 | 1228 | char *help_text; |
3d4064cc NB |
1229 | if (print_help == 2) |
1230 | help_text = OptionHelp; | |
1231 | else | |
5187a385 N |
1232 | help_text = mode_help[mode]; |
1233 | if (help_text == NULL) | |
1234 | help_text = Help; | |
0047d254 | 1235 | fputs(help_text,stdout); |
3d4064cc NB |
1236 | exit(0); |
1237 | } | |
1238 | ||
cc1799c3 SL |
1239 | if (s.journaldisks && (s.level < 4 || s.level > 6)) { |
1240 | pr_err("--write-journal is only supported for RAID level 4/5/6.\n"); | |
1241 | exit(2); | |
1242 | } | |
1243 | ||
0320ea45 NB |
1244 | if (!mode && devs_found) { |
1245 | mode = MISC; | |
1246 | devmode = 'Q'; | |
1247 | if (devlist->disposition == 0) | |
1248 | devlist->disposition = devmode; | |
1249 | } | |
52826846 NB |
1250 | if (!mode) { |
1251 | fputs(Usage, stderr); | |
64c4757e | 1252 | exit(2); |
64c4757e | 1253 | } |
38098016 NB |
1254 | |
1255 | if (symlinks) { | |
1256 | struct createinfo *ci = conf_get_create_info(); | |
1257 | ||
1258 | if (strcasecmp(symlinks, "yes") == 0) | |
1259 | ci->symlinks = 1; | |
1260 | else if (strcasecmp(symlinks, "no") == 0) | |
1261 | ci->symlinks = 0; | |
1262 | else { | |
e7b84f9d | 1263 | pr_err("option --symlinks must be 'no' or 'yes'\n"); |
38098016 NB |
1264 | exit(2); |
1265 | } | |
1266 | } | |
52826846 NB |
1267 | /* Ok, got the option parsing out of the way |
1268 | * hopefully it's mostly right but there might be some stuff | |
1269 | * missing | |
1270 | * | |
e0d19036 | 1271 | * That is mosty checked in the per-mode stuff but... |
52826846 | 1272 | * |
18361a1a N |
1273 | * For @,B,C and A without -s, the first device listed must be |
1274 | * an md device. We check that here and open it. | |
64c4757e | 1275 | */ |
52826846 | 1276 | |
9d1fbf65 JS |
1277 | if (mode == MANAGE || mode == BUILD || mode == CREATE || |
1278 | mode == GROW || (mode == ASSEMBLE && ! c.scan)) { | |
52826846 | 1279 | if (devs_found < 1) { |
e7b84f9d | 1280 | pr_err("an md device must be given in this mode\n"); |
52826846 NB |
1281 | exit(2); |
1282 | } | |
9e33d556 | 1283 | if ((int)ident.super_minor == -2 && c.autof) { |
e7b84f9d | 1284 | pr_err("--super-minor=dev is incompatible with --auto\n"); |
dd0781e5 NB |
1285 | exit(2); |
1286 | } | |
7f91af49 | 1287 | if (mode == MANAGE || mode == GROW) { |
6be1d39d | 1288 | mdfd = open_mddev(devlist->devname, 1); |
7f91af49 N |
1289 | if (mdfd < 0) |
1290 | exit(1); | |
1291 | } else | |
1292 | /* non-existent device is OK */ | |
1293 | mdfd = open_mddev(devlist->devname, 0); | |
1294 | if (mdfd == -2) { | |
7a862a02 | 1295 | pr_err("device %s exists but is not an md array.\n", devlist->devname); |
52826846 | 1296 | exit(1); |
7f91af49 | 1297 | } |
98c6faba | 1298 | if ((int)ident.super_minor == -2) { |
d013a55e | 1299 | struct stat stb; |
7f91af49 | 1300 | if (mdfd < 0) { |
7a862a02 | 1301 | pr_err("--super-minor=dev given, and listed device %s doesn't exist.\n", |
7f91af49 N |
1302 | devlist->devname); |
1303 | exit(1); | |
1304 | } | |
d013a55e | 1305 | fstat(mdfd, &stb); |
0df46c2a | 1306 | ident.super_minor = minor(stb.st_rdev); |
d013a55e | 1307 | } |
7f91af49 N |
1308 | if (mdfd >= 0 && mode != MANAGE && mode != GROW) { |
1309 | /* We don't really want this open yet, we just might | |
1310 | * have wanted to check some things | |
1311 | */ | |
1312 | close(mdfd); | |
1313 | mdfd = -1; | |
1314 | } | |
64c4757e | 1315 | } |
52826846 | 1316 | |
e705e81b N |
1317 | if (s.raiddisks) { |
1318 | if (s.raiddisks == 1 && !c.force && s.level != LEVEL_FAULTY) { | |
e7b84f9d | 1319 | pr_err("'1' is an unusual number of drives for an array, so it is probably\n" |
e4c4352e NB |
1320 | " a mistake. If you really mean it you will need to specify --force before\n" |
1321 | " setting the number of drives.\n"); | |
1322 | exit(2); | |
1323 | } | |
1324 | } | |
c82f047c | 1325 | |
86b77ddf | 1326 | if (c.homehost == NULL && c.require_homehost) |
9e33d556 | 1327 | c.homehost = conf_get_homehost(&c.require_homehost); |
9d1fbf65 | 1328 | if (c.homehost == NULL || strcasecmp(c.homehost, "<system>") == 0) { |
05697ec1 NB |
1329 | if (gethostname(sys_hostname, sizeof(sys_hostname)) == 0) { |
1330 | sys_hostname[sizeof(sys_hostname)-1] = 0; | |
9e33d556 | 1331 | c.homehost = sys_hostname; |
05697ec1 NB |
1332 | } |
1333 | } | |
9d1fbf65 JS |
1334 | if (c.homehost && |
1335 | (!c.homehost[0] || strcasecmp(c.homehost, "<none>") == 0)) { | |
9e33d556 N |
1336 | c.homehost = NULL; |
1337 | c.require_homehost = 0; | |
0f23aa88 | 1338 | } |
997aed5d | 1339 | |
380487fd | 1340 | rv = 0; |
e80357f8 GJ |
1341 | |
1342 | set_hooks(); /* set hooks from libs */ | |
1343 | ||
7716570e GJ |
1344 | if (c.homecluster == NULL && (c.nodes > 0)) { |
1345 | c.homecluster = conf_get_homecluster(); | |
1346 | if (c.homecluster == NULL) | |
1347 | rv = get_cluster_name(&c.homecluster); | |
380487fd | 1348 | if (rv) { |
7716570e GJ |
1349 | pr_err("The md can't get cluster name\n"); |
1350 | exit(1); | |
1351 | } | |
1352 | } | |
1353 | ||
8192902f N |
1354 | if (c.backup_file && data_offset != INVALID_SECTORS) { |
1355 | pr_err("--backup-file and --data-offset are incompatible\n"); | |
1356 | exit(2); | |
1357 | } | |
1358 | ||
9d1fbf65 JS |
1359 | if ((mode == MISC && devmode == 'E') || |
1360 | (mode == MONITOR && spare_sharing == 0)) | |
18361a1a N |
1361 | /* Anyone may try this */; |
1362 | else if (geteuid() != 0) { | |
e7b84f9d | 1363 | pr_err("must be super-user to perform this action\n"); |
ac5678dd N |
1364 | exit(1); |
1365 | } | |
1366 | ||
9e33d556 | 1367 | ident.autof = c.autof; |
7f91af49 | 1368 | |
265460ab N |
1369 | if (c.scan && c.verbose < 2) |
1370 | /* --scan implied --brief unless -vv */ | |
1371 | c.brief = 1; | |
1372 | ||
52826846 | 1373 | switch(mode) { |
e0d19036 | 1374 | case MANAGE: |
52826846 | 1375 | /* readonly, add/remove, readwrite, runstop */ |
9e33d556 N |
1376 | if (c.readonly > 0) |
1377 | rv = Manage_ro(devlist->devname, mdfd, c.readonly); | |
52826846 | 1378 | if (!rv && devs_found>1) |
cd29a5c8 | 1379 | rv = Manage_subdevs(devlist->devname, mdfd, |
0937132d | 1380 | devlist->next, c.verbose, c.test, |
9e33d556 N |
1381 | c.update, c.force); |
1382 | if (!rv && c.readonly < 0) | |
1383 | rv = Manage_ro(devlist->devname, mdfd, c.readonly); | |
fe7e0e64 | 1384 | if (!rv && c.runstop > 0) |
d5a40416 | 1385 | rv = Manage_run(devlist->devname, mdfd, &c); |
fe7e0e64 N |
1386 | if (!rv && c.runstop < 0) |
1387 | rv = Manage_stop(devlist->devname, mdfd, c.verbose, 0); | |
52826846 | 1388 | break; |
e0d19036 | 1389 | case ASSEMBLE: |
d013a55e | 1390 | if (devs_found == 1 && ident.uuid_set == 0 && |
9d1fbf65 JS |
1391 | ident.super_minor == UnSet && ident.name[0] == 0 && |
1392 | !c.scan ) { | |
d013a55e | 1393 | /* Only a device has been given, so get details from config file */ |
fa56eddb | 1394 | struct mddev_ident *array_ident = conf_get_ident(devlist->devname); |
b5e64645 | 1395 | if (array_ident == NULL) { |
e7b84f9d | 1396 | pr_err("%s not identified in config file.\n", |
b5e64645 | 1397 | devlist->devname); |
d013a55e | 1398 | rv |= 1; |
7f91af49 N |
1399 | if (mdfd >= 0) |
1400 | close(mdfd); | |
b5e64645 | 1401 | } else { |
7f91af49 | 1402 | if (array_ident->autof == 0) |
9e33d556 | 1403 | array_ident->autof = c.autof; |
7f91af49 | 1404 | rv |= Assemble(ss, devlist->devname, array_ident, |
4977146a | 1405 | NULL, &c); |
d013a55e | 1406 | } |
9e33d556 | 1407 | } else if (!c.scan) |
7f91af49 | 1408 | rv = Assemble(ss, devlist->devname, &ident, |
4977146a | 1409 | devlist->next, &c); |
18361a1a | 1410 | else if (devs_found > 0) { |
9e33d556 | 1411 | if (c.update && devs_found > 1) { |
e7b84f9d | 1412 | pr_err("can only update a single array at a time\n"); |
5787fa49 NB |
1413 | exit(1); |
1414 | } | |
9e33d556 | 1415 | if (c.backup_file && devs_found > 1) { |
e7b84f9d | 1416 | pr_err("can only assemble a single array when providing a backup file.\n"); |
06b0d786 NB |
1417 | exit(1); |
1418 | } | |
cd29a5c8 | 1419 | for (dv = devlist ; dv ; dv=dv->next) { |
fa56eddb | 1420 | struct mddev_ident *array_ident = conf_get_ident(dv->devname); |
52826846 | 1421 | if (array_ident == NULL) { |
e7b84f9d | 1422 | pr_err("%s not identified in config file.\n", |
cd29a5c8 | 1423 | dv->devname); |
52826846 NB |
1424 | rv |= 1; |
1425 | continue; | |
1426 | } | |
7f91af49 | 1427 | if (array_ident->autof == 0) |
9e33d556 | 1428 | array_ident->autof = c.autof; |
7f91af49 | 1429 | rv |= Assemble(ss, dv->devname, array_ident, |
4977146a | 1430 | NULL, &c); |
52826846 | 1431 | } |
5787fa49 | 1432 | } else { |
9e33d556 | 1433 | if (c.update) { |
e7b84f9d | 1434 | pr_err("--update not meaningful with a --scan assembly.\n"); |
da6b5ca9 NB |
1435 | exit(1); |
1436 | } | |
9e33d556 | 1437 | if (c.backup_file) { |
e7b84f9d | 1438 | pr_err("--backup_file not meaningful with a --scan assembly.\n"); |
da6b5ca9 NB |
1439 | exit(1); |
1440 | } | |
4977146a | 1441 | rv = scan_assemble(ss, &c, &ident); |
52826846 | 1442 | } |
3cbc4d12 | 1443 | |
52826846 | 1444 | break; |
e0d19036 | 1445 | case BUILD: |
9e33d556 N |
1446 | if (c.delay == 0) |
1447 | c.delay = DEFAULT_BITMAP_DELAY; | |
e705e81b | 1448 | if (s.write_behind && !s.bitmap_file) { |
e7b84f9d | 1449 | pr_err("write-behind mode requires a bitmap.\n"); |
dfd4d8ee NB |
1450 | rv = 1; |
1451 | break; | |
1452 | } | |
e705e81b | 1453 | if (s.raiddisks == 0) { |
e7b84f9d | 1454 | pr_err("no raid-devices specified.\n"); |
5b28bd56 NB |
1455 | rv = 1; |
1456 | break; | |
1457 | } | |
dfd4d8ee | 1458 | |
e705e81b | 1459 | if (s.bitmap_file) { |
9d1fbf65 | 1460 | if (strcmp(s.bitmap_file, "internal") == 0 || |
6d9c7c25 GR |
1461 | strcmp(s.bitmap_file, "clustered") == 0) { |
1462 | pr_err("'internal' and 'clustered' bitmaps not supported with --build\n"); | |
55935d51 NB |
1463 | rv |= 1; |
1464 | break; | |
1465 | } | |
c82f047c | 1466 | } |
a4e8316a | 1467 | rv = Build(devlist->devname, devlist->next, &s, &c); |
52826846 | 1468 | break; |
e0d19036 | 1469 | case CREATE: |
9e33d556 N |
1470 | if (c.delay == 0) |
1471 | c.delay = DEFAULT_BITMAP_DELAY; | |
529e2aa5 GJ |
1472 | |
1473 | if (c.nodes) { | |
9d1fbf65 JS |
1474 | if (!s.bitmap_file || |
1475 | strcmp(s.bitmap_file, "clustered") != 0) { | |
529e2aa5 GJ |
1476 | pr_err("--nodes argument only compatible with --bitmap=clustered\n"); |
1477 | rv = 1; | |
1478 | break; | |
1479 | } | |
1480 | ||
1481 | if (s.level != 1) { | |
1482 | pr_err("--bitmap=clustered is currently supported with RAID mirror only\n"); | |
1483 | rv = 1; | |
1484 | break; | |
1485 | } | |
1486 | } | |
1487 | ||
e705e81b | 1488 | if (s.write_behind && !s.bitmap_file) { |
e7b84f9d | 1489 | pr_err("write-behind mode requires a bitmap.\n"); |
dfd4d8ee NB |
1490 | rv = 1; |
1491 | break; | |
1492 | } | |
e705e81b | 1493 | if (s.raiddisks == 0) { |
e7b84f9d | 1494 | pr_err("no raid-devices specified.\n"); |
5b28bd56 NB |
1495 | rv = 1; |
1496 | break; | |
1497 | } | |
f9ce90ba | 1498 | |
99cc42f4 N |
1499 | rv = Create(ss, devlist->devname, |
1500 | ident.name, ident.uuid_set ? ident.uuid : NULL, | |
171dccc8 | 1501 | devs_found-1, devlist->next, |
40c9a66a | 1502 | &s, &c, data_offset); |
52826846 | 1503 | break; |
e0d19036 | 1504 | case MISC: |
e0d19036 | 1505 | if (devmode == 'E') { |
9e33d556 | 1506 | if (devlist == NULL && !c.scan) { |
e7b84f9d | 1507 | pr_err("No devices to examine\n"); |
e0d19036 NB |
1508 | exit(2); |
1509 | } | |
1510 | if (devlist == NULL) | |
8aec876d | 1511 | devlist = conf_get_devs(); |
e0d19036 | 1512 | if (devlist == NULL) { |
e7b84f9d | 1513 | pr_err("No devices listed in %s\n", configfile?configfile:DefaultConfFile); |
e0d19036 NB |
1514 | exit(1); |
1515 | } | |
eec3f887 | 1516 | rv = Examine(devlist, &c, ss); |
4cce4069 | 1517 | } else if (devmode == DetailPlatform) { |
9eafa1de MN |
1518 | rv = Detail_Platform(ss ? ss->ss : NULL, ss ? c.scan : 1, |
1519 | c.verbose, c.export, | |
1520 | devlist ? devlist->devname : NULL); | |
7d27d1c0 | 1521 | } else if (devlist == NULL) { |
9e33d556 | 1522 | if (devmode == 'S' && c.scan) |
0937132d | 1523 | rv = stop_scan(c.verbose); |
9d1fbf65 JS |
1524 | else if ((devmode == 'D' || devmode == Waitclean) && |
1525 | c.scan) | |
ef898ce6 | 1526 | rv = misc_scan(devmode, &c); |
7d27d1c0 N |
1527 | else if (devmode == UdevRules) |
1528 | rv = Write_rules(udev_filename); | |
1529 | else { | |
e7b84f9d | 1530 | pr_err("No devices given.\n"); |
7d27d1c0 | 1531 | exit(2); |
e0d19036 | 1532 | } |
7d27d1c0 | 1533 | } else |
74db60b0 | 1534 | rv = misc_list(devlist, &ident, dump_directory, ss, &c); |
9a9dab36 | 1535 | break; |
e0d19036 | 1536 | case MONITOR: |
9e33d556 | 1537 | if (!devlist && !c.scan) { |
e7b84f9d | 1538 | pr_err("Cannot monitor: need --scan or at least one device\n"); |
e0d19036 NB |
1539 | rv = 1; |
1540 | break; | |
1541 | } | |
b5e64645 | 1542 | if (pidfile && !daemonise) { |
e7b84f9d | 1543 | pr_err("Cannot write a pid file when not in daemon mode\n"); |
b5e64645 NB |
1544 | rv = 1; |
1545 | break; | |
1546 | } | |
9e33d556 | 1547 | if (c.delay == 0) { |
3e82d76d | 1548 | if (get_linux_version() > 2006016) |
ddc7201f | 1549 | /* mdstat responds to poll */ |
9e33d556 | 1550 | c.delay = 1000; |
ddc7201f | 1551 | else |
9e33d556 | 1552 | c.delay = 60; |
ddc7201f | 1553 | } |
d013a55e | 1554 | rv= Monitor(devlist, mailaddr, program, |
95c50205 N |
1555 | &c, daemonise, oneshot, |
1556 | dosyslog, pidfile, increments, | |
1557 | spare_sharing); | |
9a9dab36 | 1558 | break; |
dd0781e5 NB |
1559 | |
1560 | case GROW: | |
a93f8c65 | 1561 | if (array_size > 0) { |
84e11361 N |
1562 | /* alway impose array size first, independent of |
1563 | * anything else | |
9ce510be N |
1564 | * Do not allow level or raid_disks changes at the |
1565 | * same time as that can be irreversibly destructive. | |
84e11361 N |
1566 | */ |
1567 | struct mdinfo sra; | |
1568 | int err; | |
e705e81b | 1569 | if (s.raiddisks || s.level != UnSet) { |
7a862a02 | 1570 | pr_err("cannot change array size in same operation as changing raiddisks or level.\n" |
9ce510be N |
1571 | " Change size first, then check that data is still intact.\n"); |
1572 | rv = 1; | |
1573 | break; | |
1574 | } | |
4dd2df09 | 1575 | sysfs_init(&sra, mdfd, NULL); |
a93f8c65 | 1576 | if (array_size == MAX_SIZE) |
84e11361 N |
1577 | err = sysfs_set_str(&sra, NULL, "array_size", "default"); |
1578 | else | |
1579 | err = sysfs_set_num(&sra, NULL, "array_size", array_size / 2); | |
1580 | if (err < 0) { | |
1581 | if (errno == E2BIG) | |
7a862a02 | 1582 | pr_err("--array-size setting is too large.\n"); |
84e11361 | 1583 | else |
7a862a02 | 1584 | pr_err("current kernel does not support setting --array-size\n"); |
84e11361 N |
1585 | rv = 1; |
1586 | break; | |
1587 | } | |
1588 | } | |
1c8b90df | 1589 | if (devs_found > 1 && s.raiddisks == 0 && s.level == UnSet) { |
e5329c37 | 1590 | /* must be '-a'. */ |
9d1fbf65 JS |
1591 | if (s.size > 0 || s.chunk || |
1592 | s.layout_str || s.bitmap_file) { | |
7a862a02 | 1593 | pr_err("--add cannot be used with other geometry changes in --grow mode\n"); |
e5329c37 NB |
1594 | rv = 1; |
1595 | break; | |
1596 | } | |
1597 | for (dv=devlist->next; dv ; dv=dv->next) { | |
e2e53a2d N |
1598 | rv = Grow_Add_device(devlist->devname, mdfd, |
1599 | dv->devname); | |
e5329c37 NB |
1600 | if (rv) |
1601 | break; | |
1602 | } | |
e705e81b N |
1603 | } else if (s.bitmap_file) { |
1604 | if (s.size > 0 || s.raiddisks || s.chunk || | |
9d1fbf65 | 1605 | s.layout_str || devs_found > 1) { |
7a862a02 | 1606 | pr_err("--bitmap changes cannot be used with other geometry changes in --grow mode\n"); |
7236ee7a N |
1607 | rv = 1; |
1608 | break; | |
1609 | } | |
9e33d556 N |
1610 | if (c.delay == 0) |
1611 | c.delay = DEFAULT_BITMAP_DELAY; | |
50f01ba5 | 1612 | rv = Grow_addbitmap(devlist->devname, mdfd, &c, &s); |
2dddadb0 AK |
1613 | } else if (grow_continue) |
1614 | rv = Grow_continue_command(devlist->devname, | |
9e33d556 | 1615 | mdfd, c.backup_file, |
0937132d | 1616 | c.verbose); |
9d1fbf65 JS |
1617 | else if (s.size > 0 || s.raiddisks || s.layout_str || |
1618 | s.chunk != 0 || s.level != UnSet || | |
1619 | data_offset != INVALID_SECTORS) { | |
32754b7d | 1620 | rv = Grow_reshape(devlist->devname, mdfd, |
40c9a66a N |
1621 | devlist->next, |
1622 | data_offset, &c, &s); | |
a93f8c65 | 1623 | } else if (array_size == 0) |
e7b84f9d | 1624 | pr_err("no changes to --grow\n"); |
dd0781e5 | 1625 | break; |
8382f19b NB |
1626 | case INCREMENTAL: |
1627 | if (rebuild_map) { | |
1628 | RebuildMap(); | |
1629 | } | |
9e33d556 | 1630 | if (c.scan) { |
9eaf410f N |
1631 | rv = 1; |
1632 | if (devlist) { | |
1633 | pr_err("In --incremental mode, a device cannot be given with --scan.\n"); | |
1634 | break; | |
1635 | } | |
9e33d556 | 1636 | if (c.runstop <= 0) { |
e7b84f9d | 1637 | pr_err("--incremental --scan meaningless without --run.\n"); |
8382f19b NB |
1638 | break; |
1639 | } | |
29ba4804 | 1640 | if (devmode == 'f') { |
e7b84f9d | 1641 | pr_err("--incremental --scan --fail not supported.\n"); |
29ba4804 N |
1642 | break; |
1643 | } | |
d5a40416 | 1644 | rv = IncrementalScan(&c, NULL); |
8382f19b NB |
1645 | } |
1646 | if (!devlist) { | |
9e33d556 | 1647 | if (!rebuild_map && !c.scan) { |
e7b84f9d | 1648 | pr_err("--incremental requires a device.\n"); |
8382f19b NB |
1649 | rv = 1; |
1650 | } | |
1651 | break; | |
1652 | } | |
b11fe74d N |
1653 | if (devmode == 'f') { |
1654 | if (devlist->next) { | |
1655 | pr_err("'--incremental --fail' can only handle one device.\n"); | |
1656 | rv = 1; | |
1657 | break; | |
1658 | } | |
950bc344 | 1659 | rv = IncrementalRemove(devlist->devname, remove_path, |
0937132d | 1660 | c.verbose); |
b11fe74d N |
1661 | } else |
1662 | rv = Incremental(devlist, &c, ss); | |
1f48664b NB |
1663 | break; |
1664 | case AUTODETECT: | |
1665 | autodetect(); | |
1666 | break; | |
64c4757e | 1667 | } |
52826846 | 1668 | exit(rv); |
64c4757e | 1669 | } |
3cbc4d12 | 1670 | |
4977146a N |
1671 | static int scan_assemble(struct supertype *ss, |
1672 | struct context *c, | |
1673 | struct mddev_ident *ident) | |
3cbc4d12 N |
1674 | { |
1675 | struct mddev_ident *a, *array_list = conf_get_ident(NULL); | |
1676 | struct mddev_dev *devlist = conf_get_devs(); | |
1677 | struct map_ent *map = NULL; | |
1678 | int cnt = 0; | |
1679 | int rv = 0; | |
1680 | int failures, successes; | |
1681 | ||
1682 | if (conf_verify_devnames(array_list)) { | |
7a862a02 | 1683 | pr_err("Duplicate MD device names in conf file were found.\n"); |
3cbc4d12 N |
1684 | return 1; |
1685 | } | |
1686 | if (devlist == NULL) { | |
e7b84f9d | 1687 | pr_err("No devices listed in conf file were found.\n"); |
3cbc4d12 N |
1688 | return 1; |
1689 | } | |
1690 | for (a = array_list; a ; a = a->next) { | |
1691 | a->assembled = 0; | |
1692 | if (a->autof == 0) | |
4977146a | 1693 | a->autof = c->autof; |
3cbc4d12 N |
1694 | } |
1695 | if (map_lock(&map)) | |
1ade5cc1 | 1696 | pr_err("failed to get exclusive lock on mapfile\n"); |
3cbc4d12 N |
1697 | do { |
1698 | failures = 0; | |
1699 | successes = 0; | |
1700 | rv = 0; | |
1701 | for (a = array_list; a ; a = a->next) { | |
1702 | int r; | |
1703 | if (a->assembled) | |
1704 | continue; | |
1705 | if (a->devname && | |
1706 | strcasecmp(a->devname, "<ignore>") == 0) | |
1707 | continue; | |
1011e834 | 1708 | |
3cbc4d12 | 1709 | r = Assemble(ss, a->devname, |
4977146a | 1710 | a, NULL, c); |
3cbc4d12 N |
1711 | if (r == 0) { |
1712 | a->assembled = 1; | |
1713 | successes++; | |
1714 | } else | |
1715 | failures++; | |
1716 | rv |= r; | |
1717 | cnt++; | |
1718 | } | |
1719 | } while (failures && successes); | |
4977146a | 1720 | if (c->homehost && cnt == 0) { |
3cbc4d12 N |
1721 | /* Maybe we can auto-assemble something. |
1722 | * Repeatedly call Assemble in auto-assemble mode | |
1723 | * until it fails | |
1724 | */ | |
1725 | int rv2; | |
1726 | int acnt; | |
4977146a | 1727 | ident->autof = c->autof; |
3cbc4d12 N |
1728 | do { |
1729 | struct mddev_dev *devlist = conf_get_devs(); | |
1730 | acnt = 0; | |
1731 | do { | |
1732 | rv2 = Assemble(ss, NULL, | |
1733 | ident, | |
4977146a | 1734 | devlist, c); |
9d1fbf65 | 1735 | if (rv2 == 0) { |
3cbc4d12 N |
1736 | cnt++; |
1737 | acnt++; | |
1738 | } | |
9d1fbf65 | 1739 | } while (rv2 != 2); |
3cbc4d12 N |
1740 | /* Incase there are stacked devices, we need to go around again */ |
1741 | } while (acnt); | |
1742 | if (cnt == 0 && rv == 0) { | |
e7b84f9d | 1743 | pr_err("No arrays found in config file or automatically\n"); |
3cbc4d12 N |
1744 | rv = 1; |
1745 | } else if (cnt) | |
1746 | rv = 0; | |
1747 | } else if (cnt == 0 && rv == 0) { | |
e7b84f9d | 1748 | pr_err("No arrays found in config file\n"); |
3cbc4d12 N |
1749 | rv = 1; |
1750 | } | |
1751 | map_unlock(&map); | |
1752 | return rv; | |
1753 | } | |
7d27d1c0 | 1754 | |
ef898ce6 | 1755 | static int misc_scan(char devmode, struct context *c) |
7d27d1c0 N |
1756 | { |
1757 | /* apply --detail or --wait-clean to | |
1758 | * all devices in /proc/mdstat | |
1759 | */ | |
1760 | struct mdstat_ent *ms = mdstat_read(0, 1); | |
1761 | struct mdstat_ent *e; | |
1762 | struct map_ent *map = NULL; | |
1763 | int members; | |
7d27d1c0 N |
1764 | int rv = 0; |
1765 | ||
1766 | for (members = 0; members <= 1; members++) { | |
1767 | for (e=ms ; e ; e=e->next) { | |
743eaf8b | 1768 | char *name = NULL; |
7d27d1c0 | 1769 | struct map_ent *me; |
743eaf8b | 1770 | struct stat stb; |
7d27d1c0 N |
1771 | int member = e->metadata_version && |
1772 | strncmp(e->metadata_version, | |
1773 | "external:/", 10) == 0; | |
1774 | if (members != member) | |
1775 | continue; | |
4dd2df09 | 1776 | me = map_by_devnm(&map, e->devnm); |
7d27d1c0 N |
1777 | if (me && me->path |
1778 | && strcmp(me->path, "/unknown") != 0) | |
1779 | name = me->path; | |
9d1fbf65 | 1780 | if (name == NULL || stat(name, &stb) != 0) |
4dd2df09 | 1781 | name = get_md_name(e->devnm); |
7d27d1c0 N |
1782 | |
1783 | if (!name) { | |
e7b84f9d | 1784 | pr_err("cannot find device file for %s\n", |
9581efb1 | 1785 | e->devnm); |
7d27d1c0 N |
1786 | continue; |
1787 | } | |
1788 | if (devmode == 'D') | |
ef898ce6 | 1789 | rv |= Detail(name, c); |
7d27d1c0 | 1790 | else |
ef898ce6 | 1791 | rv |= WaitClean(name, -1, c->verbose); |
7d27d1c0 N |
1792 | put_md_name(name); |
1793 | } | |
1794 | } | |
1795 | free_mdstat(ms); | |
1796 | return rv; | |
1797 | } | |
1798 | ||
ba728be7 | 1799 | static int stop_scan(int verbose) |
7d27d1c0 N |
1800 | { |
1801 | /* apply --stop to all devices in /proc/mdstat */ | |
1802 | /* Due to possible stacking of devices, repeat until | |
1803 | * nothing more can be stopped | |
1804 | */ | |
1805 | int progress=1, err; | |
1806 | int last = 0; | |
1807 | int rv = 0; | |
1808 | do { | |
1809 | struct mdstat_ent *ms = mdstat_read(0, 0); | |
1810 | struct mdstat_ent *e; | |
1811 | ||
1812 | if (!progress) last = 1; | |
1813 | progress = 0; err = 0; | |
1814 | for (e=ms ; e ; e=e->next) { | |
4dd2df09 | 1815 | char *name = get_md_name(e->devnm); |
7d27d1c0 N |
1816 | int mdfd; |
1817 | ||
1818 | if (!name) { | |
e7b84f9d | 1819 | pr_err("cannot find device file for %s\n", |
9581efb1 | 1820 | e->devnm); |
7d27d1c0 N |
1821 | continue; |
1822 | } | |
1823 | mdfd = open_mddev(name, 1); | |
1824 | if (mdfd >= 0) { | |
fe7e0e64 | 1825 | if (Manage_stop(name, mdfd, verbose, !last)) |
7d27d1c0 N |
1826 | err = 1; |
1827 | else | |
1828 | progress = 1; | |
1829 | close(mdfd); | |
1830 | } | |
1831 | ||
1832 | put_md_name(name); | |
1833 | } | |
1834 | free_mdstat(ms); | |
1835 | } while (!last && err); | |
1836 | if (err) | |
1837 | rv |= 1; | |
1838 | return rv; | |
1839 | } | |
1840 | ||
1841 | static int misc_list(struct mddev_dev *devlist, | |
86da243f | 1842 | struct mddev_ident *ident, |
74db60b0 | 1843 | char *dump_directory, |
86da243f | 1844 | struct supertype *ss, struct context *c) |
7d27d1c0 N |
1845 | { |
1846 | struct mddev_dev *dv; | |
1847 | int rv = 0; | |
1848 | ||
74db60b0 | 1849 | for (dv=devlist ; dv; dv=(rv & 16) ? NULL : dv->next) { |
7d27d1c0 N |
1850 | int mdfd; |
1851 | ||
1852 | switch(dv->disposition) { | |
1853 | case 'D': | |
ef898ce6 | 1854 | rv |= Detail(dv->devname, c); |
7d27d1c0 N |
1855 | continue; |
1856 | case KillOpt: /* Zero superblock */ | |
1857 | if (ss) | |
86da243f | 1858 | rv |= Kill(dv->devname, ss, c->force, c->verbose,0); |
7d27d1c0 | 1859 | else { |
86da243f | 1860 | int v = c->verbose; |
7d27d1c0 | 1861 | do { |
86da243f | 1862 | rv |= Kill(dv->devname, NULL, c->force, v, 0); |
ba728be7 | 1863 | v = -1; |
7d27d1c0 N |
1864 | } while (rv == 0); |
1865 | rv &= ~2; | |
1866 | } | |
1867 | continue; | |
1868 | case 'Q': | |
1869 | rv |= Query(dv->devname); continue; | |
1870 | case 'X': | |
86da243f | 1871 | rv |= ExamineBitmap(dv->devname, c->brief, ss); continue; |
6d388a88 N |
1872 | case ExamineBB: |
1873 | rv |= ExamineBadblocks(dv->devname, c->brief, ss); continue; | |
7d27d1c0 N |
1874 | case 'W': |
1875 | case WaitOpt: | |
1876 | rv |= Wait(dv->devname); continue; | |
1877 | case Waitclean: | |
86da243f | 1878 | rv |= WaitClean(dv->devname, -1, c->verbose); continue; |
7d27d1c0 | 1879 | case KillSubarray: |
86da243f | 1880 | rv |= Kill_subarray(dv->devname, c->subarray, c->verbose); |
7d27d1c0 N |
1881 | continue; |
1882 | case UpdateSubarray: | |
86da243f | 1883 | if (c->update == NULL) { |
e7b84f9d | 1884 | pr_err("-U/--update must be specified with --update-subarray\n"); |
7d27d1c0 N |
1885 | rv |= 1; |
1886 | continue; | |
1887 | } | |
86da243f N |
1888 | rv |= Update_subarray(dv->devname, c->subarray, |
1889 | c->update, ident, c->verbose); | |
7d27d1c0 | 1890 | continue; |
74db60b0 N |
1891 | case Dump: |
1892 | rv |= Dump_metadata(dv->devname, dump_directory, c, ss); | |
1893 | continue; | |
1894 | case Restore: | |
1895 | rv |= Restore_metadata(dv->devname, dump_directory, c, ss, | |
1896 | (dv == devlist && dv->next == NULL)); | |
1897 | continue; | |
a740cf64 N |
1898 | case Action: |
1899 | rv |= SetAction(dv->devname, c->action); | |
1900 | continue; | |
7d27d1c0 | 1901 | } |
e6dd89da N |
1902 | if (dv->devname[0] == '/') |
1903 | mdfd = open_mddev(dv->devname, 1); | |
1904 | else { | |
1905 | mdfd = open_dev(dv->devname); | |
1906 | if (mdfd < 0) | |
1907 | pr_err("Cannot open %s\n", dv->devname); | |
1908 | } | |
7d27d1c0 N |
1909 | if (mdfd>=0) { |
1910 | switch(dv->disposition) { | |
1911 | case 'R': | |
d5a40416 N |
1912 | c->runstop = 1; |
1913 | rv |= Manage_run(dv->devname, mdfd, c); break; | |
7d27d1c0 | 1914 | case 'S': |
fe7e0e64 | 1915 | rv |= Manage_stop(dv->devname, mdfd, c->verbose, 0); break; |
7d27d1c0 N |
1916 | case 'o': |
1917 | rv |= Manage_ro(dv->devname, mdfd, 1); break; | |
1918 | case 'w': | |
1919 | rv |= Manage_ro(dv->devname, mdfd, -1); break; | |
1920 | } | |
1921 | close(mdfd); | |
1922 | } else | |
1923 | rv |= 1; | |
1924 | } | |
1925 | return rv; | |
1926 | } | |
a740cf64 N |
1927 | |
1928 | int SetAction(char *dev, char *action) | |
1929 | { | |
1930 | int fd = open(dev, O_RDONLY); | |
1931 | struct mdinfo mdi; | |
1932 | if (fd < 0) { | |
1933 | pr_err("Couldn't open %s: %s\n", dev, strerror(errno)); | |
1934 | return 1; | |
1935 | } | |
1936 | sysfs_init(&mdi, fd, NULL); | |
1937 | close(fd); | |
1938 | if (!mdi.sys_name[0]) { | |
1939 | pr_err("%s is no an md array\n", dev); | |
1940 | return 1; | |
1941 | } | |
1942 | ||
1943 | if (sysfs_set_str(&mdi, NULL, "sync_action", action) < 0) { | |
1944 | pr_err("Count not set action for %s to %s: %s\n", | |
1945 | dev, action, strerror(errno)); | |
1946 | return 1; | |
1947 | } | |
1948 | return 0; | |
1949 | } |