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Detail: Remove pre-2.6 code for printing info on rebuilding
[thirdparty/mdadm.git] / Detail.c
1 /*
2 * mdadm - manage Linux "md" devices aka RAID arrays.
3 *
4 * Copyright (C) 2001-2013 Neil Brown <neilb@suse.de>
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
22 * Email: <neilb@suse.de>
23 */
24
25 #include "mdadm.h"
26 #include "md_p.h"
27 #include "md_u.h"
28 #include <dirent.h>
29
30 static int cmpstringp(const void *p1, const void *p2)
31 {
32 return strcmp(* (char * const *) p1, * (char * const *) p2);
33 }
34
35 static int add_device(const char *dev, char ***p_devices,
36 int *p_max_devices, int n_devices)
37 {
38 if (n_devices + 1 >= *p_max_devices) {
39 *p_max_devices += 16;
40 *p_devices = xrealloc(*p_devices, *p_max_devices *
41 sizeof(**p_devices));
42 if (!*p_devices) {
43 *p_max_devices = 0;
44 return 0;
45 }
46 };
47 (*p_devices)[n_devices] = xstrdup(dev);
48 return n_devices + 1;
49 }
50
51 int Detail(char *dev, struct context *c)
52 {
53 /*
54 * Print out details for an md array
55 */
56 int fd = open(dev, O_RDONLY);
57 mdu_array_info_t array;
58 mdu_disk_info_t *disks;
59 int next;
60 int d;
61 time_t atime;
62 char *str;
63 char **devices = NULL;
64 int max_devices = 0, n_devices = 0;
65 int spares = 0;
66 struct stat stb;
67 int failed = 0;
68 struct supertype *st;
69 char *subarray = NULL;
70 int max_disks = MD_SB_DISKS; /* just a default */
71 struct mdinfo *info = NULL;
72 struct mdinfo *sra;
73 struct mdinfo *subdev;
74 char *member = NULL;
75 char *container = NULL;
76
77 int rv = c->test ? 4 : 1;
78 int avail_disks = 0;
79 char *avail = NULL;
80 int external;
81 int inactive;
82
83 if (fd < 0) {
84 pr_err("cannot open %s: %s\n",
85 dev, strerror(errno));
86 return rv;
87 }
88 sra = sysfs_read(fd, NULL, GET_VERSION|GET_DEVS);
89 if (!sra) {
90 pr_err("%s does not appear to be an md device\n", dev);
91 close(fd);
92 return rv;
93 }
94 external = (sra != NULL && sra->array.major_version == -1 &&
95 sra->array.minor_version == -2);
96 st = super_by_fd(fd, &subarray);
97 if (md_get_array_info(fd, &array) == 0) {
98 inactive = 0;
99 } else if (errno == ENODEV && sra) {
100 if (sra->array.major_version == -1 &&
101 sra->array.minor_version == -1 &&
102 sra->devs == NULL) {
103 pr_err("Array associated with md device %s does not exist.\n", dev);
104 close(fd);
105 sysfs_free(sra);
106 return rv;
107 }
108 array = sra->array;
109 inactive = 1;
110 } else {
111 pr_err("cannot get array detail for %s: %s\n",
112 dev, strerror(errno));
113 close(fd);
114 return rv;
115 }
116
117 if (fstat(fd, &stb) != 0 && !S_ISBLK(stb.st_mode))
118 stb.st_rdev = 0;
119 rv = 0;
120
121 if (st)
122 max_disks = st->max_devs;
123
124 if (subarray) {
125 /* This is a subarray of some container.
126 * We want the name of the container, and the member
127 */
128 dev_t devid = devnm2devid(st->container_devnm);
129 int cfd, err;
130
131 member = subarray;
132 container = map_dev_preferred(major(devid), minor(devid),
133 1, c->prefer);
134 cfd = open_dev(st->container_devnm);
135 if (cfd >= 0) {
136 err = st->ss->load_container(st, cfd, NULL);
137 close(cfd);
138 if (err == 0)
139 info = st->ss->container_content(st, subarray);
140 }
141 }
142
143 /* try to load a superblock. Try sra->devs first, then try ioctl */
144 if (st && !info) for (d = 0, subdev = sra ? sra->devs : NULL;
145 d < max_disks || subdev;
146 subdev ? (void)(subdev = subdev->next) : (void)(d++)){
147 mdu_disk_info_t disk;
148 char *dv;
149 int fd2;
150 int err;
151 if (subdev)
152 disk = subdev->disk;
153 else {
154 disk.number = d;
155 if (md_get_disk_info(fd, &disk) < 0)
156 continue;
157 if (d >= array.raid_disks &&
158 disk.major == 0 &&
159 disk.minor == 0)
160 continue;
161 }
162
163 if (array.raid_disks > 0 &&
164 (disk.state & (1 << MD_DISK_ACTIVE)) == 0)
165 continue;
166
167 dv = map_dev(disk.major, disk.minor, 1);
168 if (!dv)
169 continue;
170
171 fd2 = dev_open(dv, O_RDONLY);
172 if (fd2 < 0)
173 continue;
174
175 if (st->sb)
176 st->ss->free_super(st);
177
178 err = st->ss->load_super(st, fd2, NULL);
179 close(fd2);
180 if (err)
181 continue;
182 if (info)
183 free(info);
184 if (subarray)
185 info = st->ss->container_content(st, subarray);
186 else {
187 info = xmalloc(sizeof(*info));
188 st->ss->getinfo_super(st, info, NULL);
189 }
190 if (!info)
191 continue;
192
193 if (array.raid_disks != 0 && /* container */
194 (info->array.ctime != array.ctime ||
195 info->array.level != array.level)) {
196 st->ss->free_super(st);
197 continue;
198 }
199 /* some formats (imsm) have free-floating-spares
200 * with a uuid of uuid_zero, they don't
201 * have very good info about the rest of the
202 * container, so keep searching when
203 * encountering such a device. Otherwise, stop
204 * after the first successful call to
205 * ->load_super.
206 */
207 if (memcmp(uuid_zero,
208 info->uuid,
209 sizeof(uuid_zero)) == 0) {
210 st->ss->free_super(st);
211 continue;
212 }
213 break;
214 }
215
216 /* Ok, we have some info to print... */
217 str = map_num(pers, array.level);
218
219 if (c->export) {
220 if (array.raid_disks) {
221 if (str)
222 printf("MD_LEVEL=%s\n", str);
223 printf("MD_DEVICES=%d\n", array.raid_disks);
224 } else {
225 if (!inactive)
226 printf("MD_LEVEL=container\n");
227 printf("MD_DEVICES=%d\n", array.nr_disks);
228 }
229 if (container) {
230 printf("MD_CONTAINER=%s\n", container);
231 printf("MD_MEMBER=%s\n", member);
232 } else {
233 if (sra && sra->array.major_version < 0)
234 printf("MD_METADATA=%s\n", sra->text_version);
235 else
236 printf("MD_METADATA=%d.%d\n",
237 array.major_version, array.minor_version);
238 }
239
240 if (st && st->sb && info) {
241 char nbuf[64];
242 struct map_ent *mp, *map = NULL;
243
244 fname_from_uuid(st, info, nbuf, ':');
245 printf("MD_UUID=%s\n", nbuf+5);
246 mp = map_by_uuid(&map, info->uuid);
247 if (mp && mp->path &&
248 strncmp(mp->path, "/dev/md/", 8) == 0) {
249 printf("MD_DEVNAME=");
250 print_escape(mp->path+8);
251 putchar('\n');
252 }
253
254 if (st->ss->export_detail_super)
255 st->ss->export_detail_super(st);
256 } else {
257 struct map_ent *mp, *map = NULL;
258 char nbuf[64];
259 mp = map_by_devnm(&map, fd2devnm(fd));
260 if (mp) {
261 __fname_from_uuid(mp->uuid, 0, nbuf, ':');
262 printf("MD_UUID=%s\n", nbuf+5);
263 }
264 if (mp && mp->path &&
265 strncmp(mp->path, "/dev/md/", 8) == 0) {
266 printf("MD_DEVNAME=");
267 print_escape(mp->path+8);
268 putchar('\n');
269 }
270 }
271 if (sra) {
272 struct mdinfo *mdi;
273 for (mdi = sra->devs; mdi; mdi = mdi->next) {
274 char *path =
275 map_dev(mdi->disk.major,
276 mdi->disk.minor, 0);
277
278 if (mdi->disk.raid_disk >= 0)
279 printf("MD_DEVICE_%s_ROLE=%d\n",
280 mdi->sys_name+4,
281 mdi->disk.raid_disk);
282 else
283 printf("MD_DEVICE_%s_ROLE=spare\n",
284 mdi->sys_name+4);
285 if (path)
286 printf("MD_DEVICE_%s_DEV=%s\n",
287 mdi->sys_name+4, path);
288 }
289 }
290 goto out;
291 }
292
293 disks = xmalloc(max_disks * 2 * sizeof(mdu_disk_info_t));
294 for (d = 0; d < max_disks * 2; d++) {
295 disks[d].state = (1<<MD_DISK_REMOVED);
296 disks[d].major = disks[d].minor = 0;
297 disks[d].number = -1;
298 disks[d].raid_disk = d/2;
299 }
300
301 next = array.raid_disks*2;
302 if (inactive) {
303 struct mdinfo *mdi;
304 if (sra != NULL)
305 for (mdi = sra->devs; mdi; mdi = mdi->next) {
306 disks[next++] = mdi->disk;
307 disks[next-1].number = -1;
308 }
309 } else for (d = 0; d < max_disks; d++) {
310 mdu_disk_info_t disk;
311 disk.number = d;
312 if (md_get_disk_info(fd, &disk) < 0) {
313 if (d < array.raid_disks)
314 pr_err("cannot get device detail for device %d: %s\n",
315 d, strerror(errno));
316 continue;
317 }
318 if (disk.major == 0 && disk.minor == 0)
319 continue;
320 if (disk.raid_disk >= 0 && disk.raid_disk < array.raid_disks
321 && disks[disk.raid_disk*2].state == (1<<MD_DISK_REMOVED)
322 && ((disk.state & (1<<MD_DISK_JOURNAL)) == 0))
323 disks[disk.raid_disk*2] = disk;
324 else if (disk.raid_disk >= 0 && disk.raid_disk < array.raid_disks
325 && disks[disk.raid_disk*2+1].state == (1<<MD_DISK_REMOVED)
326 && !(disk.state & (1<<MD_DISK_JOURNAL)))
327 disks[disk.raid_disk*2+1] = disk;
328 else if (next < max_disks*2)
329 disks[next++] = disk;
330 }
331
332 avail = xcalloc(array.raid_disks, 1);
333
334 for (d= 0; d < array.raid_disks; d++) {
335
336 if ((disks[d*2].state & (1<<MD_DISK_SYNC)) ||
337 (disks[d*2+1].state & (1<<MD_DISK_SYNC))) {
338 avail_disks ++;
339 avail[d] = 1;
340 } else
341 rv |= !! c->test;
342 }
343
344 if (c->brief) {
345 mdu_bitmap_file_t bmf;
346 printf("%sARRAY %s", inactive ? "INACTIVE-":"", dev);
347 if (c->verbose > 0) {
348 if (array.raid_disks)
349 printf(" level=%s num-devices=%d",
350 str?str:"-unknown-",
351 array.raid_disks );
352 else if (!inactive)
353 printf(" level=container num-devices=%d",
354 array.nr_disks);
355 else
356 printf(" num-devices=%d", array.nr_disks);
357 }
358 if (container) {
359 printf(" container=%s", container);
360 printf(" member=%s", member);
361 } else {
362 if (sra && sra->array.major_version < 0)
363 printf(" metadata=%s", sra->text_version);
364 else
365 printf(" metadata=%d.%d",
366 array.major_version, array.minor_version);
367 }
368
369 /* Only try GET_BITMAP_FILE for 0.90.01 and later */
370 if (ioctl(fd, GET_BITMAP_FILE, &bmf) == 0 && bmf.pathname[0]) {
371 printf(" bitmap=%s", bmf.pathname);
372 }
373 } else {
374 mdu_bitmap_file_t bmf;
375 unsigned long long larray_size;
376 struct mdstat_ent *ms = mdstat_read(0, 0);
377 struct mdstat_ent *e;
378 char *devnm;
379
380 devnm = stat2devnm(&stb);
381 for (e=ms; e; e=e->next)
382 if (strcmp(e->devnm, devnm) == 0)
383 break;
384 if (!get_dev_size(fd, NULL, &larray_size))
385 larray_size = 0;
386
387 printf("%s:\n", dev);
388
389 if (container)
390 printf(" Container : %s, member %s\n", container,
391 member);
392 else {
393 if (sra && sra->array.major_version < 0)
394 printf(" Version : %s\n", sra->text_version);
395 else
396 printf(" Version : %d.%d\n",
397 array.major_version, array.minor_version);
398 }
399
400 atime = array.ctime;
401 if (atime)
402 printf(" Creation Time : %.24s\n", ctime(&atime));
403 if (array.raid_disks == 0 && external)
404 str = "container";
405 if (str)
406 printf(" Raid Level : %s\n", str);
407 if (larray_size)
408 printf(" Array Size : %llu%s\n", (larray_size>>10),
409 human_size(larray_size));
410 if (array.level >= 1) {
411 if (sra)
412 array.major_version = sra->array.major_version;
413 if (array.major_version != 0 &&
414 (larray_size >= 0xFFFFFFFFULL|| array.size == 0)) {
415 unsigned long long dsize = get_component_size(fd);
416 if (dsize > 0)
417 printf(" Used Dev Size : %llu%s\n",
418 dsize/2,
419 human_size((long long)dsize<<9));
420 else
421 printf(" Used Dev Size : unknown\n");
422 } else
423 printf(" Used Dev Size : %lu%s\n",
424 (unsigned long)array.size,
425 human_size((unsigned long long)array.size<<10));
426 }
427 if (array.raid_disks)
428 printf(" Raid Devices : %d\n", array.raid_disks);
429 printf(" Total Devices : %d\n", array.nr_disks);
430 if (!container &&
431 ((sra == NULL && array.major_version == 0) ||
432 (sra && sra->array.major_version == 0)))
433 printf(" Preferred Minor : %d\n", array.md_minor);
434 if (sra == NULL || sra->array.major_version >= 0)
435 printf(" Persistence : Superblock is %spersistent\n",
436 array.not_persistent?"not ":"");
437 printf("\n");
438 /* Only try GET_BITMAP_FILE for 0.90.01 and later */
439 if (ioctl(fd, GET_BITMAP_FILE, &bmf) == 0 && bmf.pathname[0]) {
440 printf(" Intent Bitmap : %s\n", bmf.pathname);
441 printf("\n");
442 } else if (array.state & (1<<MD_SB_BITMAP_PRESENT))
443 printf(" Intent Bitmap : Internal\n\n");
444 atime = array.utime;
445 if (atime)
446 printf(" Update Time : %.24s\n", ctime(&atime));
447 if (array.raid_disks) {
448 static char *sync_action[] = {
449 ", recovering", ", resyncing",
450 ", reshaping", ", checking" };
451 char *st;
452 if (avail_disks == array.raid_disks)
453 st = "";
454 else if (!enough(array.level, array.raid_disks,
455 array.layout, 1, avail))
456 st = ", FAILED";
457 else
458 st = ", degraded";
459
460 printf(" State : %s%s%s%s%s%s \n",
461 (array.state&(1<<MD_SB_CLEAN))?"clean":"active", st,
462 (!e || (e->percent < 0 && e->percent != RESYNC_PENDING &&
463 e->percent != RESYNC_DELAYED)) ? "" : sync_action[e->resync],
464 larray_size ? "": ", Not Started",
465 (e && e->percent == RESYNC_DELAYED) ? " (DELAYED)": "",
466 (e && e->percent == RESYNC_PENDING) ? " (PENDING)": "");
467 } else if (inactive) {
468 printf(" State : inactive\n");
469 }
470 if (array.raid_disks)
471 printf(" Active Devices : %d\n", array.active_disks);
472 if (array.working_disks > 0)
473 printf(" Working Devices : %d\n", array.working_disks);
474 if (array.raid_disks) {
475 printf(" Failed Devices : %d\n", array.failed_disks);
476 printf(" Spare Devices : %d\n", array.spare_disks);
477 }
478 printf("\n");
479 if (array.level == 5) {
480 str = map_num(r5layout, array.layout);
481 printf(" Layout : %s\n", str?str:"-unknown-");
482 }
483 if (array.level == 6) {
484 str = map_num(r6layout, array.layout);
485 printf(" Layout : %s\n", str?str:"-unknown-");
486 }
487 if (array.level == 10) {
488 printf(" Layout :");
489 print_r10_layout(array.layout);
490 printf("\n");
491 }
492 switch (array.level) {
493 case 0:
494 case 4:
495 case 5:
496 case 10:
497 case 6:
498 if (array.chunk_size)
499 printf(" Chunk Size : %dK\n\n",
500 array.chunk_size/1024);
501 break;
502 case -1:
503 printf(" Rounding : %dK\n\n",
504 array.chunk_size/1024);
505 break;
506 default: break;
507 }
508
509 if (array.raid_disks) {
510 struct mdinfo *mdi = sysfs_read(fd, NULL,
511 GET_CONSISTENCY_POLICY);
512 if (mdi) {
513 char *policy = map_num(consistency_policies,
514 mdi->consistency_policy);
515 sysfs_free(mdi);
516 if (policy)
517 printf("Consistency Policy : %s\n\n",
518 policy);
519 }
520 }
521
522 if (e && e->percent >= 0) {
523 static char *sync_action[] = {
524 "Rebuild", "Resync",
525 "Reshape", "Check"};
526 printf(" %7s Status : %d%% complete\n",
527 sync_action[e->resync], e->percent);
528 }
529 free_mdstat(ms);
530
531 if ((st && st->sb) && (info && info->reshape_active)) {
532 #if 0
533 This is pretty boring
534 printf(" Reshape pos'n : %llu%s\n",
535 (unsigned long long) info->reshape_progress<<9,
536 human_size((unsigned long long)info->reshape_progress<<9));
537 #endif
538 if (info->delta_disks != 0)
539 printf(" Delta Devices : %d, (%d->%d)\n",
540 info->delta_disks,
541 array.raid_disks - info->delta_disks,
542 array.raid_disks);
543 if (info->new_level != array.level) {
544 str = map_num(pers, info->new_level);
545 printf(" New Level : %s\n", str?str:"-unknown-");
546 }
547 if (info->new_level != array.level ||
548 info->new_layout != array.layout) {
549 if (info->new_level == 5) {
550 str = map_num(r5layout, info->new_layout);
551 printf(" New Layout : %s\n",
552 str?str:"-unknown-");
553 }
554 if (info->new_level == 6) {
555 str = map_num(r6layout, info->new_layout);
556 printf(" New Layout : %s\n",
557 str?str:"-unknown-");
558 }
559 if (info->new_level == 10) {
560 printf(" New Layout : near=%d, %s=%d\n",
561 info->new_layout&255,
562 (info->new_layout&0x10000)?"offset":"far",
563 (info->new_layout>>8)&255);
564 }
565 }
566 if (info->new_chunk != array.chunk_size)
567 printf(" New Chunksize : %dK\n",
568 info->new_chunk/1024);
569 printf("\n");
570 } else if (e && e->percent >= 0)
571 printf("\n");
572 if (st && st->sb)
573 st->ss->detail_super(st, c->homehost);
574
575 if (array.raid_disks == 0 && sra && sra->array.major_version == -1
576 && sra->array.minor_version == -2 && sra->text_version[0] != '/') {
577 /* This looks like a container. Find any active arrays
578 * That claim to be a member.
579 */
580 DIR *dir = opendir("/sys/block");
581 struct dirent *de;
582
583 printf(" Member Arrays :");
584
585 while (dir && (de = readdir(dir)) != NULL) {
586 char path[287];
587 char vbuf[1024];
588 int nlen = strlen(sra->sys_name);
589 dev_t devid;
590 if (de->d_name[0] == '.')
591 continue;
592 sprintf(path, "/sys/block/%s/md/metadata_version",
593 de->d_name);
594 if (load_sys(path, vbuf, sizeof(vbuf)) < 0)
595 continue;
596 if (strncmp(vbuf, "external:", 9) != 0 ||
597 !is_subarray(vbuf+9) ||
598 strncmp(vbuf+10, sra->sys_name, nlen) != 0 ||
599 vbuf[10+nlen] != '/')
600 continue;
601 devid = devnm2devid(de->d_name);
602 printf(" %s", map_dev_preferred(
603 major(devid),
604 minor(devid), 1, c->prefer));
605 }
606 if (dir)
607 closedir(dir);
608 printf("\n\n");
609 }
610
611 if (array.raid_disks)
612 printf(" Number Major Minor RaidDevice State\n");
613 else
614 printf(" Number Major Minor RaidDevice\n");
615 }
616 free(info);
617
618 for (d= 0; d < max_disks * 2; d++) {
619 char *dv;
620 mdu_disk_info_t disk = disks[d];
621
622 if (d >= array.raid_disks*2 &&
623 disk.major == 0 &&
624 disk.minor == 0)
625 continue;
626 if ((d & 1) &&
627 disk.major == 0 &&
628 disk.minor == 0)
629 continue;
630 if (!c->brief) {
631 if (d == array.raid_disks*2) printf("\n");
632 if (disk.number < 0 && disk.raid_disk < 0)
633 printf(" - %5d %5d - ",
634 disk.major, disk.minor);
635 else if (disk.raid_disk < 0 || disk.state & (1<<MD_DISK_JOURNAL))
636 printf(" %5d %5d %5d - ",
637 disk.number, disk.major, disk.minor);
638 else if (disk.number < 0)
639 printf(" - %5d %5d %5d ",
640 disk.major, disk.minor, disk.raid_disk);
641 else
642 printf(" %5d %5d %5d %5d ",
643 disk.number, disk.major, disk.minor, disk.raid_disk);
644 }
645 if (!c->brief && array.raid_disks) {
646
647 if (disk.state & (1<<MD_DISK_FAULTY)) {
648 printf(" faulty");
649 if (disk.raid_disk < array.raid_disks &&
650 disk.raid_disk >= 0)
651 failed++;
652 }
653 if (disk.state & (1<<MD_DISK_ACTIVE)) printf(" active");
654 if (disk.state & (1<<MD_DISK_SYNC)) {
655 printf(" sync");
656 if (array.level == 10 && (array.layout & ~0x1FFFF) == 0) {
657 int nc = array.layout & 0xff;
658 int fc = (array.layout >> 8) & 0xff;
659 int copies = nc*fc;
660 if (fc == 1 && array.raid_disks % copies == 0 && copies <= 26) {
661 /* We can divide the devices into 'sets' */
662 int set = disk.raid_disk % copies;
663 printf(" set-%c", set + 'A');
664 }
665 }
666 }
667 if (disk.state & (1<<MD_DISK_REMOVED)) printf(" removed");
668 if (disk.state & (1<<MD_DISK_WRITEMOSTLY)) printf(" writemostly");
669 if (disk.state & (1<<MD_DISK_FAILFAST)) printf(" failfast");
670 if (disk.state & (1<<MD_DISK_JOURNAL)) printf(" journal");
671 if ((disk.state &
672 ((1<<MD_DISK_ACTIVE)|(1<<MD_DISK_SYNC)
673 |(1<<MD_DISK_REMOVED)|(1<<MD_DISK_FAULTY)|(1<<MD_DISK_JOURNAL)))
674 == 0) {
675 printf(" spare");
676 if (disk.raid_disk < array.raid_disks &&
677 disk.raid_disk >= 0)
678 printf(" rebuilding");
679 }
680 }
681 if (disk.state == 0) spares++;
682 dv=map_dev_preferred(disk.major, disk.minor, 0, c->prefer);
683 if (dv != NULL) {
684 if (c->brief)
685 n_devices = add_device(dv, &devices,
686 &max_devices,
687 n_devices);
688 else
689 printf(" %s", dv);
690 }
691 if (!c->brief) printf("\n");
692 }
693 if (spares && c->brief && array.raid_disks) printf(" spares=%d", spares);
694 if (c->brief && st && st->sb)
695 st->ss->brief_detail_super(st);
696 if (st)
697 st->ss->free_super(st);
698
699 if (c->brief && c->verbose > 0 && devices) {
700 qsort(devices, n_devices, sizeof(*devices), cmpstringp);
701 printf("\n devices=%s", devices[0]);
702 for (d = 1; d < n_devices; d++)
703 printf(",%s", devices[d]);
704 }
705 if (c->brief)
706 printf("\n");
707 if (c->test &&
708 !enough(array.level, array.raid_disks, array.layout,
709 1, avail))
710 rv = 2;
711
712 free(disks);
713 out:
714 close(fd);
715 free(subarray);
716 free(avail);
717 for (d = 0; d < n_devices; d++)
718 free(devices[d]);
719 free(devices);
720 sysfs_free(sra);
721 return rv;
722 }
723
724 int Detail_Platform(struct superswitch *ss, int scan, int verbose, int export, char *controller_path)
725 {
726 /* display platform capabilities for the given metadata format
727 * 'scan' in this context means iterate over all metadata types
728 */
729 int i;
730 int err = 1;
731
732 if (ss && export && ss->export_detail_platform)
733 err = ss->export_detail_platform(verbose, controller_path);
734 else if (ss && ss->detail_platform)
735 err = ss->detail_platform(verbose, 0, controller_path);
736 else if (ss) {
737 if (verbose > 0)
738 pr_err("%s metadata is platform independent\n",
739 ss->name ? : "[no name]");
740 } else if (!scan) {
741 if (verbose > 0)
742 pr_err("specify a metadata type or --scan\n");
743 }
744
745 if (!scan)
746 return err;
747
748 err = 0;
749 for (i = 0; superlist[i]; i++) {
750 struct superswitch *meta = superlist[i];
751
752 if (meta == ss)
753 continue;
754 if (verbose > 0)
755 pr_err("checking metadata %s\n",
756 meta->name ? : "[no name]");
757 if (!meta->detail_platform) {
758 if (verbose > 0)
759 pr_err("%s metadata is platform independent\n",
760 meta->name ? : "[no name]");
761 } else if (export && meta->export_detail_platform) {
762 err |= meta->export_detail_platform(verbose, controller_path);
763 } else
764 err |= meta->detail_platform(verbose, 0, controller_path);
765 }
766
767 return err;
768 }
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