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Commit | Line | Data |
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4b1ac34b NB |
1 | /* |
2 | * mdadm - manage Linux "md" devices aka RAID arrays. | |
3 | * | |
4f589ad0 | 4 | * Copyright (C) 2001-2006 Neil Brown <neilb@suse.de> |
4b1ac34b 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 | |
22 | * Email: <neilb@cse.unsw.edu.au> | |
23 | * Paper: Neil Brown | |
24 | * School of Computer Science and Engineering | |
25 | * The University of New South Wales | |
26 | * Sydney, 2052 | |
27 | * Australia | |
28 | */ | |
29 | ||
8268ed74 | 30 | #define HAVE_STDINT_H 1 |
4b1ac34b | 31 | #include "mdadm.h" |
8268ed74 | 32 | #include "sha1.h" |
4b1ac34b NB |
33 | /* |
34 | * All handling for the 0.90.0 version superblock is in | |
35 | * this file. | |
36 | * This includes: | |
37 | * - finding, loading, and writing the superblock. | |
38 | * - initialising a new superblock | |
39 | * - printing the superblock for --examine | |
40 | * - printing part of the superblock for --detail | |
41 | * .. other stuff | |
42 | */ | |
43 | ||
44 | ||
45 | static unsigned long calc_sb0_csum(mdp_super_t *super) | |
46 | { | |
47 | unsigned long csum = super->sb_csum; | |
48 | unsigned long newcsum; | |
49 | super->sb_csum= 0 ; | |
50 | newcsum = calc_csum(super, MD_SB_BYTES); | |
51 | super->sb_csum = csum; | |
52 | return newcsum; | |
53 | } | |
54 | ||
586ed405 NB |
55 | |
56 | void super0_swap_endian(struct mdp_superblock_s *sb) | |
57 | { | |
58 | /* as super0 superblocks are host-endian, it is sometimes | |
59 | * useful to be able to swap the endianness | |
60 | * as (almost) everything is u32's we byte-swap every 4byte | |
61 | * number. | |
62 | * We then also have to swap the events_hi and events_lo | |
63 | */ | |
64 | char *sbc = (char *)sb; | |
65 | __u32 t32; | |
66 | int i; | |
67 | ||
68 | for (i=0; i < MD_SB_BYTES ; i+=4) { | |
69 | char t = sbc[i]; | |
70 | sbc[i] = sbc[i+3]; | |
71 | sbc[i+3] = t; | |
72 | t=sbc[i+1]; | |
73 | sbc[i+1]=sbc[i+2]; | |
74 | sbc[i+2]=t; | |
75 | } | |
76 | t32 = sb->events_hi; | |
77 | sb->events_hi = sb->events_lo; | |
78 | sb->events_lo = t32; | |
79 | ||
80 | t32 = sb->cp_events_hi; | |
81 | sb->cp_events_hi = sb->cp_events_lo; | |
82 | sb->cp_events_lo = t32; | |
83 | ||
353632d9 | 84 | } |
586ed405 | 85 | |
c7654afc | 86 | #ifndef MDASSEMBLE |
586ed405 | 87 | |
a1cbd7d0 | 88 | static void examine_super0(void *sbv, char *homehost) |
4b1ac34b NB |
89 | { |
90 | mdp_super_t *sb = sbv; | |
91 | time_t atime; | |
92 | int d; | |
93 | char *c; | |
94 | ||
95 | printf(" Magic : %08x\n", sb->md_magic); | |
96 | printf(" Version : %02d.%02d.%02d\n", sb->major_version, sb->minor_version, | |
97 | sb->patch_version); | |
a1cbd7d0 NB |
98 | if (sb->minor_version >= 90) { |
99 | printf(" UUID : %08x:%08x:%08x:%08x", sb->set_uuid0, sb->set_uuid1, | |
4b1ac34b | 100 | sb->set_uuid2, sb->set_uuid3); |
a1cbd7d0 | 101 | if (homehost) { |
8268ed74 NB |
102 | char buf[20]; |
103 | void *hash = sha1_buffer(homehost, | |
104 | strlen(homehost), | |
105 | buf); | |
a1cbd7d0 NB |
106 | if (memcmp(&sb->set_uuid2, hash, 8)==0) |
107 | printf(" (local to host %s)", homehost); | |
108 | } | |
109 | printf("\n"); | |
110 | } else | |
4b1ac34b NB |
111 | printf(" UUID : %08x\n", sb->set_uuid0); |
112 | ||
8382f19b NB |
113 | if (sb->not_persistent) |
114 | printf(" Eedk : not persistent\n"); | |
115 | ||
4b1ac34b NB |
116 | atime = sb->ctime; |
117 | printf(" Creation Time : %.24s\n", ctime(&atime)); | |
118 | c=map_num(pers, sb->level); | |
119 | printf(" Raid Level : %s\n", c?c:"-unknown-"); | |
b674b5b8 NB |
120 | if ((int)sb->level >= 0) { |
121 | int ddsks=0; | |
e3362544 NB |
122 | printf(" Used Dev Size : %d%s\n", sb->size, |
123 | human_size((long long)sb->size<<10)); | |
b674b5b8 NB |
124 | switch(sb->level) { |
125 | case 1: ddsks=1;break; | |
126 | case 4: | |
127 | case 5: ddsks = sb->raid_disks-1; break; | |
128 | case 6: ddsks = sb->raid_disks-2; break; | |
129 | case 10: ddsks = sb->raid_disks / (sb->layout&255) / ((sb->layout>>8)&255); | |
130 | } | |
131 | if (ddsks) | |
132 | printf(" Array Size : %llu%s\n", (unsigned long long)ddsks * sb->size, | |
133 | human_size(ddsks*(long long)sb->size<<10)); | |
134 | } | |
4b1ac34b NB |
135 | printf(" Raid Devices : %d\n", sb->raid_disks); |
136 | printf(" Total Devices : %d\n", sb->nr_disks); | |
137 | printf("Preferred Minor : %d\n", sb->md_minor); | |
138 | printf("\n"); | |
b674b5b8 | 139 | if (sb->minor_version > 90 && (sb->reshape_position+1) != 0) { |
1e0d770c | 140 | printf(" Reshape pos'n : %llu%s\n", (unsigned long long)sb->reshape_position/2, human_size((long long)sb->reshape_position<<9)); |
b674b5b8 NB |
141 | if (sb->delta_disks) { |
142 | printf(" Delta Devices : %d", sb->delta_disks); | |
143 | if (sb->delta_disks) | |
144 | printf(" (%d->%d)\n", sb->raid_disks-sb->delta_disks, sb->raid_disks); | |
145 | else | |
146 | printf(" (%d->%d)\n", sb->raid_disks, sb->raid_disks+sb->delta_disks); | |
147 | } | |
148 | if (sb->new_level != sb->level) { | |
149 | c = map_num(pers, sb->new_level); | |
150 | printf(" New Level : %s\n", c?c:"-unknown-"); | |
151 | } | |
152 | if (sb->new_layout != sb->layout) { | |
153 | if (sb->level == 5) { | |
154 | c = map_num(r5layout, sb->new_layout); | |
155 | printf(" New Layout : %s\n", c?c:"-unknown-"); | |
156 | } | |
157 | if (sb->level == 10) { | |
b578481c NB |
158 | printf(" New Layout : near=%d, %s=%d\n", |
159 | sb->new_layout&255, | |
160 | (sb->new_layout&0x10000)?"offset":"far", | |
161 | (sb->new_layout>>8)&255); | |
b674b5b8 NB |
162 | } |
163 | } | |
164 | if (sb->new_chunk != sb->chunk_size) | |
165 | printf(" New Chunksize : %d\n", sb->new_chunk); | |
166 | printf("\n"); | |
167 | } | |
4b1ac34b NB |
168 | atime = sb->utime; |
169 | printf(" Update Time : %.24s\n", ctime(&atime)); | |
170 | printf(" State : %s\n", | |
171 | (sb->state&(1<<MD_SB_CLEAN))?"clean":"active"); | |
55935d51 NB |
172 | if (sb->state & (1<<MD_SB_BITMAP_PRESENT)) |
173 | printf("Internal Bitmap : present\n"); | |
4b1ac34b NB |
174 | printf(" Active Devices : %d\n", sb->active_disks); |
175 | printf("Working Devices : %d\n", sb->working_disks); | |
176 | printf(" Failed Devices : %d\n", sb->failed_disks); | |
177 | printf(" Spare Devices : %d\n", sb->spare_disks); | |
178 | if (calc_sb0_csum(sb) == sb->sb_csum) | |
179 | printf(" Checksum : %x - correct\n", sb->sb_csum); | |
180 | else | |
181 | printf(" Checksum : %x - expected %lx\n", sb->sb_csum, calc_sb0_csum(sb)); | |
182 | printf(" Events : %d.%d\n", sb->events_hi, sb->events_lo); | |
183 | printf("\n"); | |
184 | if (sb->level == 5) { | |
185 | c = map_num(r5layout, sb->layout); | |
186 | printf(" Layout : %s\n", c?c:"-unknown-"); | |
187 | } | |
265e0f17 | 188 | if (sb->level == 10) { |
b578481c NB |
189 | printf(" Layout : near=%d, %s=%d\n", |
190 | sb->layout&255, | |
191 | (sb->layout&0x10000)?"offset":"far", | |
192 | (sb->layout>>8)&255); | |
265e0f17 | 193 | } |
4b1ac34b NB |
194 | switch(sb->level) { |
195 | case 0: | |
196 | case 4: | |
197 | case 5: | |
2c102711 NB |
198 | case 6: |
199 | case 10: | |
4b1ac34b NB |
200 | printf(" Chunk Size : %dK\n", sb->chunk_size/1024); |
201 | break; | |
202 | case -1: | |
203 | printf(" Rounding : %dK\n", sb->chunk_size/1024); | |
204 | break; | |
353632d9 | 205 | default: break; |
4b1ac34b NB |
206 | } |
207 | printf("\n"); | |
208 | printf(" Number Major Minor RaidDevice State\n"); | |
209 | for (d= -1; d<(signed int)(sb->raid_disks+sb->spare_disks); d++) { | |
210 | mdp_disk_t *dp; | |
211 | char *dv; | |
212 | char nb[5]; | |
dfd4d8ee | 213 | int wonly; |
4b1ac34b NB |
214 | if (d>=0) dp = &sb->disks[d]; |
215 | else dp = &sb->this_disk; | |
8f23b0b3 | 216 | snprintf(nb, sizeof(nb), "%4d", d); |
4b1ac34b NB |
217 | printf("%4s %5d %5d %5d %5d ", d < 0 ? "this" : nb, |
218 | dp->number, dp->major, dp->minor, dp->raid_disk); | |
dfd4d8ee NB |
219 | wonly = dp->state & (1<<MD_DISK_WRITEMOSTLY); |
220 | dp->state &= ~(1<<MD_DISK_WRITEMOSTLY); | |
4b1ac34b NB |
221 | if (dp->state & (1<<MD_DISK_FAULTY)) printf(" faulty"); |
222 | if (dp->state & (1<<MD_DISK_ACTIVE)) printf(" active"); | |
223 | if (dp->state & (1<<MD_DISK_SYNC)) printf(" sync"); | |
224 | if (dp->state & (1<<MD_DISK_REMOVED)) printf(" removed"); | |
dfd4d8ee | 225 | if (wonly) printf(" write-mostly"); |
4b1ac34b | 226 | if (dp->state == 0) printf(" spare"); |
16c6fa80 | 227 | if ((dv=map_dev(dp->major, dp->minor, 0))) |
4b1ac34b NB |
228 | printf(" %s", dv); |
229 | printf("\n"); | |
230 | if (d == -1) printf("\n"); | |
231 | } | |
232 | } | |
233 | ||
f9ce90ba | 234 | static void brief_examine_super0(void *sbv) |
4b1ac34b NB |
235 | { |
236 | mdp_super_t *sb = sbv; | |
237 | char *c=map_num(pers, sb->level); | |
2998bc01 | 238 | char devname[20]; |
2998bc01 NB |
239 | |
240 | sprintf(devname, "/dev/md%d", sb->md_minor); | |
4b1ac34b NB |
241 | |
242 | printf("ARRAY %s level=%s num-devices=%d UUID=", | |
2998bc01 | 243 | devname, |
4b1ac34b NB |
244 | c?c:"-unknown-", sb->raid_disks); |
245 | if (sb->minor_version >= 90) | |
246 | printf("%08x:%08x:%08x:%08x", sb->set_uuid0, sb->set_uuid1, | |
247 | sb->set_uuid2, sb->set_uuid3); | |
248 | else | |
249 | printf("%08x", sb->set_uuid0); | |
250 | printf("\n"); | |
251 | } | |
252 | ||
b6750aa8 | 253 | static void detail_super0(void *sbv, char *homehost) |
4b1ac34b NB |
254 | { |
255 | mdp_super_t *sb = sbv; | |
256 | printf(" UUID : "); | |
257 | if (sb->minor_version >= 90) | |
258 | printf("%08x:%08x:%08x:%08x", sb->set_uuid0, sb->set_uuid1, | |
259 | sb->set_uuid2, sb->set_uuid3); | |
260 | else | |
261 | printf("%08x", sb->set_uuid0); | |
b6750aa8 | 262 | if (homehost) { |
8268ed74 NB |
263 | char buf[20]; |
264 | void *hash = sha1_buffer(homehost, | |
265 | strlen(homehost), | |
266 | buf); | |
b6750aa8 NB |
267 | if (memcmp(&sb->set_uuid2, hash, 8)==0) |
268 | printf(" (local to host %s)", homehost); | |
269 | } | |
4b1ac34b NB |
270 | printf("\n Events : %d.%d\n\n", sb->events_hi, sb->events_lo); |
271 | } | |
272 | ||
f9ce90ba | 273 | static void brief_detail_super0(void *sbv) |
4b1ac34b NB |
274 | { |
275 | mdp_super_t *sb = sbv; | |
276 | printf(" UUID="); | |
277 | if (sb->minor_version >= 90) | |
278 | printf("%08x:%08x:%08x:%08x", sb->set_uuid0, sb->set_uuid1, | |
279 | sb->set_uuid2, sb->set_uuid3); | |
280 | else | |
281 | printf("%08x", sb->set_uuid0); | |
282 | } | |
54bad364 KS |
283 | |
284 | static void export_super0(void *sbv) | |
285 | { | |
286 | mdp_super_t *sb = sbv; | |
287 | printf("MD_UUID="); | |
288 | if (sb->minor_version >= 90) | |
289 | printf("%08x:%08x:%08x:%08x", sb->set_uuid0, sb->set_uuid1, | |
290 | sb->set_uuid2, sb->set_uuid3); | |
291 | else | |
292 | printf("%08x", sb->set_uuid0); | |
293 | printf("\n"); | |
294 | } | |
c7654afc | 295 | #endif |
83b6208e NB |
296 | |
297 | static int match_home0(void *sbv, char *homehost) | |
298 | { | |
299 | mdp_super_t *sb = sbv; | |
8268ed74 NB |
300 | char buf[20]; |
301 | char *hash = sha1_buffer(homehost, | |
302 | strlen(homehost), | |
303 | buf); | |
83b6208e NB |
304 | |
305 | return (memcmp(&sb->set_uuid2, hash, 8)==0); | |
306 | } | |
307 | ||
f9ce90ba | 308 | static void uuid_from_super0(int uuid[4], void * sbv) |
4b1ac34b NB |
309 | { |
310 | mdp_super_t *super = sbv; | |
311 | uuid[0] = super->set_uuid0; | |
312 | if (super->minor_version >= 90) { | |
313 | uuid[1] = super->set_uuid1; | |
314 | uuid[2] = super->set_uuid2; | |
315 | uuid[3] = super->set_uuid3; | |
316 | } else { | |
317 | uuid[1] = 0; | |
318 | uuid[2] = 0; | |
319 | uuid[3] = 0; | |
320 | } | |
321 | } | |
322 | ||
31317663 | 323 | static void getinfo_super0(struct mdinfo *info, void *sbv) |
4b1ac34b NB |
324 | { |
325 | mdp_super_t *sb = sbv; | |
326 | int working = 0; | |
327 | int i; | |
328 | ||
329 | info->array.major_version = sb->major_version; | |
330 | info->array.minor_version = sb->minor_version; | |
331 | info->array.patch_version = sb->patch_version; | |
332 | info->array.raid_disks = sb->raid_disks; | |
333 | info->array.level = sb->level; | |
265e0f17 | 334 | info->array.layout = sb->layout; |
4b1ac34b NB |
335 | info->array.md_minor = sb->md_minor; |
336 | info->array.ctime = sb->ctime; | |
353632d9 NB |
337 | info->array.utime = sb->utime; |
338 | info->array.chunk_size = sb->chunk_size; | |
583315d9 | 339 | info->array.state = sb->state; |
353632d9 | 340 | info->component_size = sb->size*2; |
4b1ac34b NB |
341 | |
342 | info->disk.state = sb->this_disk.state; | |
343 | info->disk.major = sb->this_disk.major; | |
344 | info->disk.minor = sb->this_disk.minor; | |
345 | info->disk.raid_disk = sb->this_disk.raid_disk; | |
fbf8a0b7 | 346 | info->disk.number = sb->this_disk.number; |
4b1ac34b NB |
347 | |
348 | info->events = md_event(sb); | |
353632d9 | 349 | info->data_offset = 0; |
4b1ac34b NB |
350 | |
351 | uuid_from_super0(info->uuid, sbv); | |
947fd4dd | 352 | |
353632d9 NB |
353 | if (sb->minor_version > 90 && (sb->reshape_position+1) != 0) { |
354 | info->reshape_active = 1; | |
355 | info->reshape_progress = sb->reshape_position; | |
356 | info->new_level = sb->new_level; | |
357 | info->delta_disks = sb->delta_disks; | |
358 | info->new_layout = sb->new_layout; | |
359 | info->new_chunk = sb->new_chunk; | |
360 | } else | |
361 | info->reshape_active = 0; | |
362 | ||
8a46fe84 | 363 | sprintf(info->name, "%d", sb->md_minor); |
4b1ac34b NB |
364 | /* work_disks is calculated rather than read directly */ |
365 | for (i=0; i < MD_SB_DISKS; i++) | |
366 | if ((sb->disks[i].state & (1<<MD_DISK_SYNC)) && | |
08110d41 | 367 | (sb->disks[i].raid_disk < info->array.raid_disks) && |
4b1ac34b NB |
368 | (sb->disks[i].state & (1<<MD_DISK_ACTIVE)) && |
369 | !(sb->disks[i].state & (1<<MD_DISK_FAULTY))) | |
370 | working ++; | |
371 | info->array.working_disks = working; | |
372 | } | |
373 | ||
374 | ||
e5eac01f NB |
375 | static int update_super0(struct mdinfo *info, void *sbv, char *update, |
376 | char *devname, int verbose, | |
377 | int uuid_set, char *homehost) | |
4b1ac34b | 378 | { |
c4d831e1 NB |
379 | /* NOTE: for 'assemble' and 'force' we need to return non-zero if any change was made. |
380 | * For others, the return value is ignored. | |
381 | */ | |
4b1ac34b NB |
382 | int rv = 0; |
383 | mdp_super_t *sb = sbv; | |
384 | if (strcmp(update, "sparc2.2")==0 ) { | |
385 | /* 2.2 sparc put the events in the wrong place | |
386 | * So we copy the tail of the superblock | |
387 | * up 4 bytes before continuing | |
388 | */ | |
389 | __u32 *sb32 = (__u32*)sb; | |
390 | memcpy(sb32+MD_SB_GENERIC_CONSTANT_WORDS+7, | |
391 | sb32+MD_SB_GENERIC_CONSTANT_WORDS+7+1, | |
392 | (MD_SB_WORDS - (MD_SB_GENERIC_CONSTANT_WORDS+7+1))*4); | |
dab6685f NB |
393 | if (verbose >= 0) |
394 | fprintf (stderr, Name ": adjusting superblock of %s for 2.2/sparc compatability.\n", | |
395 | devname); | |
4b1ac34b NB |
396 | } |
397 | if (strcmp(update, "super-minor") ==0) { | |
398 | sb->md_minor = info->array.md_minor; | |
dab6685f | 399 | if (verbose > 0) |
4b1ac34b NB |
400 | fprintf(stderr, Name ": updating superblock of %s with minor number %d\n", |
401 | devname, info->array.md_minor); | |
402 | } | |
403 | if (strcmp(update, "summaries") == 0) { | |
404 | int i; | |
405 | /* set nr_disks, active_disks, working_disks, | |
406 | * failed_disks, spare_disks based on disks[] | |
407 | * array in superblock. | |
408 | * Also make sure extra slots aren't 'failed' | |
409 | */ | |
410 | sb->nr_disks = sb->active_disks = | |
411 | sb->working_disks = sb->failed_disks = | |
412 | sb->spare_disks = 0; | |
413 | for (i=0; i < MD_SB_DISKS ; i++) | |
414 | if (sb->disks[i].major || | |
415 | sb->disks[i].minor) { | |
416 | int state = sb->disks[i].state; | |
417 | if (state & (1<<MD_DISK_REMOVED)) | |
418 | continue; | |
419 | sb->nr_disks++; | |
420 | if (state & (1<<MD_DISK_ACTIVE)) | |
421 | sb->active_disks++; | |
422 | if (state & (1<<MD_DISK_FAULTY)) | |
423 | sb->failed_disks++; | |
424 | else | |
425 | sb->working_disks++; | |
426 | if (state == 0) | |
427 | sb->spare_disks++; | |
428 | } else if (i >= sb->raid_disks && sb->disks[i].number == 0) | |
429 | sb->disks[i].state = 0; | |
430 | } | |
67a8c82d NB |
431 | if (strcmp(update, "force-one")==0) { |
432 | /* Not enough devices for a working array, so | |
433 | * bring this one up-to-date. | |
434 | */ | |
c4d831e1 | 435 | __u32 ehi = sb->events_hi, elo = sb->events_lo; |
4b1ac34b NB |
436 | sb->events_hi = (info->events>>32) & 0xFFFFFFFF; |
437 | sb->events_lo = (info->events) & 0xFFFFFFFF; | |
c4d831e1 NB |
438 | if (sb->events_hi != ehi || |
439 | sb->events_lo != elo) | |
440 | rv = 1; | |
67a8c82d NB |
441 | } |
442 | if (strcmp(update, "force-array")==0) { | |
443 | /* degraded array and 'force' requested, so | |
444 | * maybe need to mark it 'clean' | |
445 | */ | |
c4d831e1 NB |
446 | if ((sb->level == 5 || sb->level == 4 || sb->level == 6) && |
447 | (sb->state & (1 << MD_SB_CLEAN)) == 0) { | |
4b1ac34b NB |
448 | /* need to force clean */ |
449 | sb->state |= (1 << MD_SB_CLEAN); | |
c4d831e1 NB |
450 | rv = 1; |
451 | } | |
4b1ac34b NB |
452 | } |
453 | if (strcmp(update, "assemble")==0) { | |
454 | int d = info->disk.number; | |
dfd4d8ee | 455 | int wonly = sb->disks[d].state & (1<<MD_DISK_WRITEMOSTLY); |
c4d831e1 NB |
456 | if ((sb->disks[d].state & ~(1<<MD_DISK_WRITEMOSTLY)) |
457 | != info->disk.state) { | |
458 | sb->disks[d].state = info->disk.state | wonly; | |
4b1ac34b NB |
459 | rv = 1; |
460 | } | |
461 | } | |
f752781f NB |
462 | if (strcmp(update, "linear-grow-new") == 0) { |
463 | memset(&sb->disks[info->disk.number], 0, sizeof(sb->disks[0])); | |
464 | sb->disks[info->disk.number].number = info->disk.number; | |
465 | sb->disks[info->disk.number].major = info->disk.major; | |
466 | sb->disks[info->disk.number].minor = info->disk.minor; | |
467 | sb->disks[info->disk.number].raid_disk = info->disk.raid_disk; | |
468 | sb->disks[info->disk.number].state = info->disk.state; | |
469 | sb->this_disk = sb->disks[info->disk.number]; | |
470 | } | |
471 | if (strcmp(update, "linear-grow-update") == 0) { | |
4b1ac34b NB |
472 | sb->raid_disks = info->array.raid_disks; |
473 | sb->nr_disks = info->array.nr_disks; | |
474 | sb->active_disks = info->array.active_disks; | |
475 | sb->working_disks = info->array.working_disks; | |
476 | memset(&sb->disks[info->disk.number], 0, sizeof(sb->disks[0])); | |
477 | sb->disks[info->disk.number].number = info->disk.number; | |
478 | sb->disks[info->disk.number].major = info->disk.major; | |
479 | sb->disks[info->disk.number].minor = info->disk.minor; | |
480 | sb->disks[info->disk.number].raid_disk = info->disk.raid_disk; | |
481 | sb->disks[info->disk.number].state = info->disk.state; | |
4b1ac34b NB |
482 | } |
483 | if (strcmp(update, "resync") == 0) { | |
484 | /* make sure resync happens */ | |
485 | sb->state &= ~(1<<MD_SB_CLEAN); | |
486 | sb->recovery_cp = 0; | |
487 | } | |
0237e0ca NB |
488 | if (strcmp(update, "homehost") == 0 && |
489 | homehost) { | |
490 | uuid_set = 0; | |
491 | update = "uuid"; | |
492 | info->uuid[0] = sb->set_uuid0; | |
493 | info->uuid[1] = sb->set_uuid1; | |
494 | } | |
7d99579f | 495 | if (strcmp(update, "uuid") == 0) { |
e5eac01f | 496 | if (!uuid_set && homehost) { |
8268ed74 NB |
497 | char buf[20]; |
498 | char *hash = sha1_buffer(homehost, | |
499 | strlen(homehost), | |
500 | buf); | |
e5eac01f NB |
501 | memcpy(info->uuid+2, hash, 8); |
502 | } | |
7d99579f NB |
503 | sb->set_uuid0 = info->uuid[0]; |
504 | sb->set_uuid1 = info->uuid[1]; | |
505 | sb->set_uuid2 = info->uuid[2]; | |
506 | sb->set_uuid3 = info->uuid[3]; | |
14263cf1 NB |
507 | if (sb->state & (1<<MD_SB_BITMAP_PRESENT)) { |
508 | struct bitmap_super_s *bm; | |
509 | bm = (struct bitmap_super_s*)(sb+1); | |
510 | uuid_from_super0((int*)bm->uuid, sbv); | |
511 | } | |
7d99579f | 512 | } |
353632d9 NB |
513 | if (strcmp(update, "_reshape_progress")==0) |
514 | sb->reshape_position = info->reshape_progress; | |
4b1ac34b NB |
515 | |
516 | sb->sb_csum = calc_sb0_csum(sb); | |
517 | return rv; | |
518 | } | |
519 | ||
05697ec1 NB |
520 | /* |
521 | * For verion-0 superblock, the homehost is 'stored' in the | |
522 | * uuid. 8 bytes for a hash of the host leaving 8 bytes | |
523 | * of random material. | |
524 | * We use the first 8 bytes (64bits) of the sha1 of the | |
525 | * host name | |
526 | */ | |
4b1ac34b NB |
527 | |
528 | ||
05697ec1 | 529 | static int init_super0(struct supertype *st, void **sbp, mdu_array_info_t *info, |
3d3dd91e NB |
530 | unsigned long long size, char *ignored_name, char *homehost, |
531 | int *uuid) | |
4b1ac34b | 532 | { |
55935d51 | 533 | mdp_super_t *sb = malloc(MD_SB_BYTES + sizeof(bitmap_super_t)); |
82d9eba6 | 534 | int spares; |
55935d51 | 535 | memset(sb, 0, MD_SB_BYTES + sizeof(bitmap_super_t)); |
4b1ac34b | 536 | |
f9ce90ba NB |
537 | if (info->major_version == -1) { |
538 | /* zeroing the superblock */ | |
05697ec1 | 539 | *sbp = sb; |
82d9eba6 NB |
540 | return 0; |
541 | } | |
542 | ||
543 | spares = info->working_disks - info->active_disks; | |
544 | if (info->raid_disks + spares > MD_SB_DISKS) { | |
545 | fprintf(stderr, Name ": too many devices requested: %d+%d > %d\n", | |
546 | info->raid_disks , spares, MD_SB_DISKS); | |
547 | return 0; | |
f9ce90ba NB |
548 | } |
549 | ||
4b1ac34b NB |
550 | sb->md_magic = MD_SB_MAGIC; |
551 | sb->major_version = 0; | |
552 | sb->minor_version = 90; | |
553 | sb->patch_version = 0; | |
554 | sb->gvalid_words = 0; /* ignored */ | |
4b1ac34b NB |
555 | sb->ctime = time(0); |
556 | sb->level = info->level; | |
5dd497ee NB |
557 | if (size != info->size) |
558 | return 0; | |
4b1ac34b NB |
559 | sb->size = info->size; |
560 | sb->nr_disks = info->nr_disks; | |
561 | sb->raid_disks = info->raid_disks; | |
562 | sb->md_minor = info->md_minor; | |
563 | sb->not_persistent = 0; | |
3d3dd91e NB |
564 | if (uuid) { |
565 | sb->set_uuid0 = uuid[0]; | |
566 | sb->set_uuid1 = uuid[1]; | |
567 | sb->set_uuid2 = uuid[2]; | |
568 | sb->set_uuid3 = uuid[3]; | |
569 | } else { | |
570 | int rfd = open("/dev/urandom", O_RDONLY); | |
571 | if (rfd < 0 || read(rfd, &sb->set_uuid0, 4) != 4) | |
572 | sb->set_uuid0 = random(); | |
573 | if (rfd < 0 || read(rfd, &sb->set_uuid1, 12) != 12) { | |
574 | sb->set_uuid1 = random(); | |
575 | sb->set_uuid2 = random(); | |
576 | sb->set_uuid3 = random(); | |
577 | } | |
578 | if (rfd >= 0) | |
579 | close(rfd); | |
dfe47e00 | 580 | } |
05697ec1 | 581 | if (homehost) { |
8268ed74 NB |
582 | char buf[20]; |
583 | char *hash = sha1_buffer(homehost, | |
584 | strlen(homehost), | |
585 | buf); | |
05697ec1 NB |
586 | memcpy(&sb->set_uuid2, hash, 8); |
587 | } | |
4b1ac34b NB |
588 | |
589 | sb->utime = sb->ctime; | |
590 | sb->state = info->state; | |
591 | sb->active_disks = info->active_disks; | |
592 | sb->working_disks = info->working_disks; | |
593 | sb->failed_disks = info->failed_disks; | |
234a131a | 594 | sb->spare_disks = info->spare_disks; |
4b1ac34b NB |
595 | sb->events_hi = 0; |
596 | sb->events_lo = 1; | |
597 | ||
598 | sb->layout = info->layout; | |
599 | sb->chunk_size = info->chunk_size; | |
600 | ||
601 | *sbp = sb; | |
82d9eba6 | 602 | return 1; |
4b1ac34b NB |
603 | } |
604 | ||
605 | /* Add a device to the superblock being created */ | |
f9ce90ba | 606 | static void add_to_super0(void *sbv, mdu_disk_info_t *dinfo) |
4b1ac34b NB |
607 | { |
608 | mdp_super_t *sb = sbv; | |
609 | mdp_disk_t *dk = &sb->disks[dinfo->number]; | |
353632d9 | 610 | |
4b1ac34b NB |
611 | dk->number = dinfo->number; |
612 | dk->major = dinfo->major; | |
613 | dk->minor = dinfo->minor; | |
614 | dk->raid_disk = dinfo->raid_disk; | |
615 | dk->state = dinfo->state; | |
616 | } | |
617 | ||
96395475 | 618 | static int store_super0(struct supertype *st, int fd, void *sbv) |
4b1ac34b | 619 | { |
4b1ac34b NB |
620 | unsigned long long dsize; |
621 | unsigned long long offset; | |
f9ce90ba | 622 | mdp_super_t *super = sbv; |
beae1dfe NB |
623 | |
624 | if (!get_dev_size(fd, NULL, &dsize)) | |
625 | return 1; | |
4b1ac34b | 626 | |
5dd497ee | 627 | if (dsize < MD_RESERVED_SECTORS*2*512) |
4b1ac34b | 628 | return 2; |
353632d9 | 629 | |
4b1ac34b NB |
630 | offset = MD_NEW_SIZE_SECTORS(dsize>>9); |
631 | ||
632 | offset *= 512; | |
633 | ||
634 | if (lseek64(fd, offset, 0)< 0LL) | |
635 | return 3; | |
636 | ||
637 | if (write(fd, super, sizeof(*super)) != sizeof(*super)) | |
638 | return 4; | |
639 | ||
14263cf1 NB |
640 | if (super->state & (1<<MD_SB_BITMAP_PRESENT)) { |
641 | struct bitmap_super_s * bm = (struct bitmap_super_s*)(super+1); | |
642 | if (__le32_to_cpu(bm->magic) == BITMAP_MAGIC) | |
9fca7d62 NB |
643 | if (write(fd, bm, sizeof(*bm)) != sizeof(*bm)) |
644 | return 5; | |
14263cf1 NB |
645 | } |
646 | ||
570c0542 | 647 | fsync(fd); |
4b1ac34b NB |
648 | return 0; |
649 | } | |
650 | ||
1bf4e2d9 | 651 | static int write_init_super0(struct supertype *st, void *sbv, mdu_disk_info_t *dinfo, char *devname) |
4b1ac34b NB |
652 | { |
653 | mdp_super_t *sb = sbv; | |
dfd4d8ee | 654 | int fd = open(devname, O_RDWR|O_EXCL); |
4b1ac34b NB |
655 | int rv; |
656 | ||
657 | if (fd < 0) { | |
658 | fprintf(stderr, Name ": Failed to open %s to write superblock\n", devname); | |
659 | return -1; | |
660 | } | |
661 | ||
8d75b7fc | 662 | sb->disks[dinfo->number].state &= ~(1<<MD_DISK_FAULTY); |
8d75b7fc | 663 | |
4b1ac34b NB |
664 | sb->this_disk = sb->disks[dinfo->number]; |
665 | sb->sb_csum = calc_sb0_csum(sb); | |
96395475 | 666 | rv = store_super0(st, fd, sb); |
55935d51 | 667 | |
1bf4e2d9 NB |
668 | if (rv == 0 && (sb->state & (1<<MD_SB_BITMAP_PRESENT))) |
669 | rv = st->ss->write_bitmap(st, fd, sbv); | |
55935d51 | 670 | |
4b1ac34b NB |
671 | close(fd); |
672 | if (rv) | |
673 | fprintf(stderr, Name ": failed to write superblock to %s\n", devname); | |
674 | return rv; | |
675 | } | |
676 | ||
f9ce90ba | 677 | static int compare_super0(void **firstp, void *secondv) |
4b1ac34b NB |
678 | { |
679 | /* | |
680 | * return: | |
681 | * 0 same, or first was empty, and second was copied | |
682 | * 1 second had wrong number | |
683 | * 2 wrong uuid | |
684 | * 3 wrong other info | |
685 | */ | |
686 | mdp_super_t *first = *firstp; | |
687 | mdp_super_t *second = secondv; | |
688 | ||
689 | int uuid1[4], uuid2[4]; | |
690 | if (second->md_magic != MD_SB_MAGIC) | |
691 | return 1; | |
692 | if (!first) { | |
14263cf1 NB |
693 | first = malloc(MD_SB_BYTES + sizeof(struct bitmap_super_s)); |
694 | memcpy(first, second, MD_SB_BYTES + sizeof(struct bitmap_super_s)); | |
4b1ac34b NB |
695 | *firstp = first; |
696 | return 0; | |
697 | } | |
698 | ||
699 | uuid_from_super0(uuid1, first); | |
700 | uuid_from_super0(uuid2, second); | |
f277ce36 | 701 | if (!same_uuid(uuid1, uuid2, 0)) |
4b1ac34b NB |
702 | return 2; |
703 | if (first->major_version != second->major_version || | |
704 | first->minor_version != second->minor_version || | |
705 | first->patch_version != second->patch_version || | |
706 | first->gvalid_words != second->gvalid_words || | |
707 | first->ctime != second->ctime || | |
708 | first->level != second->level || | |
709 | first->size != second->size || | |
710 | first->raid_disks != second->raid_disks ) | |
711 | return 3; | |
712 | ||
713 | return 0; | |
714 | } | |
715 | ||
716 | ||
82d9eba6 | 717 | static int load_super0(struct supertype *st, int fd, void **sbp, char *devname) |
4b1ac34b NB |
718 | { |
719 | /* try to read in the superblock | |
720 | * Return: | |
721 | * 0 on success | |
722 | * 1 on cannot get superblock | |
723 | * 2 on superblock meaningless | |
724 | */ | |
4b1ac34b NB |
725 | unsigned long long dsize; |
726 | unsigned long long offset; | |
727 | mdp_super_t *super; | |
14263cf1 NB |
728 | int uuid[4]; |
729 | struct bitmap_super_s *bsb; | |
4b1ac34b | 730 | |
beae1dfe NB |
731 | if (!get_dev_size(fd, devname, &dsize)) |
732 | return 1; | |
4b1ac34b | 733 | |
beae1dfe | 734 | if (dsize < MD_RESERVED_SECTORS*512 * 2) { |
4b1ac34b | 735 | if (devname) |
f8409e54 NB |
736 | fprintf(stderr, Name |
737 | ": %s is too small for md: size is %llu sectors.\n", | |
738 | devname, dsize); | |
4b1ac34b NB |
739 | return 1; |
740 | } | |
353632d9 | 741 | |
4b1ac34b NB |
742 | offset = MD_NEW_SIZE_SECTORS(dsize>>9); |
743 | ||
744 | offset *= 512; | |
745 | ||
746 | ioctl(fd, BLKFLSBUF, 0); /* make sure we read current data */ | |
747 | ||
748 | if (lseek64(fd, offset, 0)< 0LL) { | |
749 | if (devname) | |
750 | fprintf(stderr, Name ": Cannot seek to superblock on %s: %s\n", | |
751 | devname, strerror(errno)); | |
752 | return 1; | |
753 | } | |
754 | ||
8d75b7fc | 755 | super = malloc(MD_SB_BYTES + sizeof(bitmap_super_t)); |
4b1ac34b NB |
756 | |
757 | if (read(fd, super, sizeof(*super)) != MD_SB_BYTES) { | |
758 | if (devname) | |
759 | fprintf(stderr, Name ": Cannot read superblock on %s\n", | |
760 | devname); | |
761 | free(super); | |
762 | return 1; | |
763 | } | |
764 | ||
586ed405 NB |
765 | if (st->ss && st->minor_version == 9) |
766 | super0_swap_endian(super); | |
767 | ||
4b1ac34b NB |
768 | if (super->md_magic != MD_SB_MAGIC) { |
769 | if (devname) | |
770 | fprintf(stderr, Name ": No super block found on %s (Expected magic %08x, got %08x)\n", | |
771 | devname, MD_SB_MAGIC, super->md_magic); | |
772 | free(super); | |
773 | return 2; | |
774 | } | |
775 | ||
776 | if (super->major_version != 0) { | |
777 | if (devname) | |
778 | fprintf(stderr, Name ": Cannot interpret superblock on %s - version is %d\n", | |
779 | devname, super->major_version); | |
780 | free(super); | |
781 | return 2; | |
782 | } | |
783 | *sbp = super; | |
82d9eba6 NB |
784 | if (st->ss == NULL) { |
785 | st->ss = &super0; | |
786 | st->minor_version = 90; | |
ea329559 | 787 | st->max_devs = MD_SB_DISKS; |
82d9eba6 NB |
788 | } |
789 | ||
14263cf1 NB |
790 | /* Now check on the bitmap superblock */ |
791 | if ((super->state & (1<<MD_SB_BITMAP_PRESENT)) == 0) | |
792 | return 0; | |
793 | /* Read the bitmap superblock and make sure it looks | |
794 | * valid. If it doesn't clear the bit. An --assemble --force | |
795 | * should get that written out. | |
796 | */ | |
797 | if (read(fd, super+1, sizeof(struct bitmap_super_s)) | |
798 | != sizeof(struct bitmap_super_s)) | |
799 | goto no_bitmap; | |
800 | ||
801 | uuid_from_super0(uuid, super); | |
802 | bsb = (struct bitmap_super_s *)(super+1); | |
803 | if (__le32_to_cpu(bsb->magic) != BITMAP_MAGIC || | |
804 | memcmp(bsb->uuid, uuid, 16) != 0) | |
805 | goto no_bitmap; | |
806 | return 0; | |
807 | ||
808 | no_bitmap: | |
809 | super->state &= ~(1<<MD_SB_BITMAP_PRESENT); | |
810 | ||
4b1ac34b NB |
811 | return 0; |
812 | } | |
f9ce90ba | 813 | |
82d9eba6 | 814 | static struct supertype *match_metadata_desc0(char *arg) |
f9ce90ba | 815 | { |
82d9eba6 NB |
816 | struct supertype *st = malloc(sizeof(*st)); |
817 | if (!st) return st; | |
818 | ||
819 | st->ss = &super0; | |
820 | st->minor_version = 90; | |
ea329559 | 821 | st->max_devs = MD_SB_DISKS; |
f9ce90ba NB |
822 | if (strcmp(arg, "0") == 0 || |
823 | strcmp(arg, "0.90") == 0 || | |
824 | strcmp(arg, "default") == 0 | |
825 | ) | |
82d9eba6 NB |
826 | return st; |
827 | ||
586ed405 NB |
828 | st->minor_version = 9; /* flag for 'byte-swapped' */ |
829 | if (strcmp(arg, "0.swap")==0) | |
830 | return st; | |
831 | ||
82d9eba6 NB |
832 | free(st); |
833 | return NULL; | |
834 | } | |
835 | ||
1bf4e2d9 | 836 | static __u64 avail_size0(struct supertype *st, __u64 devsize) |
82d9eba6 NB |
837 | { |
838 | if (devsize < MD_RESERVED_SECTORS*2) | |
839 | return 0ULL; | |
840 | return MD_NEW_SIZE_SECTORS(devsize); | |
f9ce90ba NB |
841 | } |
842 | ||
199171a2 NB |
843 | static int add_internal_bitmap0(struct supertype *st, void *sbv, int *chunkp, |
844 | int delay, int write_behind, | |
845 | unsigned long long size, int may_change, | |
846 | int major) | |
55935d51 NB |
847 | { |
848 | /* | |
849 | * The bitmap comes immediately after the superblock and must be 60K in size | |
850 | * at most. The default size is between 30K and 60K | |
851 | * | |
8686f3ed | 852 | * size is in sectors, chunk is in bytes !!! |
55935d51 | 853 | */ |
1bf4e2d9 | 854 | unsigned long long bits; |
55935d51 NB |
855 | unsigned long long max_bits = 60*1024*8; |
856 | unsigned long long min_chunk; | |
199171a2 | 857 | int chunk = *chunkp; |
55935d51 NB |
858 | mdp_super_t *sb = sbv; |
859 | bitmap_super_t *bms = (bitmap_super_t*)(((char*)sb) + MD_SB_BYTES); | |
860 | ||
353632d9 | 861 | |
f277ce36 | 862 | min_chunk = 4096; /* sub-page chunks don't work yet.. */ |
8686f3ed | 863 | bits = (size * 512) / min_chunk + 1; |
55935d51 NB |
864 | while (bits > max_bits) { |
865 | min_chunk *= 2; | |
866 | bits = (bits+1)/2; | |
867 | } | |
868 | if (chunk == UnSet) | |
869 | chunk = min_chunk; | |
870 | else if (chunk < min_chunk) | |
871 | return 0; /* chunk size too small */ | |
872 | ||
873 | sb->state |= (1<<MD_SB_BITMAP_PRESENT); | |
874 | ||
29e766a5 | 875 | memset(bms, 0, sizeof(*bms)); |
dfd4d8ee | 876 | bms->magic = __cpu_to_le32(BITMAP_MAGIC); |
dcec9ee5 | 877 | bms->version = __cpu_to_le32(major); |
55935d51 | 878 | uuid_from_super0((int*)bms->uuid, sb); |
dfd4d8ee NB |
879 | bms->chunksize = __cpu_to_le32(chunk); |
880 | bms->daemon_sleep = __cpu_to_le32(delay); | |
f9c25f1d | 881 | bms->sync_size = __cpu_to_le64(size); |
dfd4d8ee | 882 | bms->write_behind = __cpu_to_le32(write_behind); |
199171a2 | 883 | *chunkp = chunk; |
55935d51 NB |
884 | return 1; |
885 | } | |
353632d9 | 886 | |
55935d51 | 887 | |
f6d75de8 | 888 | void locate_bitmap0(struct supertype *st, int fd, void *sbv) |
55935d51 NB |
889 | { |
890 | unsigned long long dsize; | |
55935d51 | 891 | unsigned long long offset; |
55935d51 | 892 | |
beae1dfe NB |
893 | if (!get_dev_size(fd, NULL, &dsize)) |
894 | return; | |
895 | ||
896 | if (dsize < MD_RESERVED_SECTORS*512 * 2) | |
55935d51 | 897 | return; |
353632d9 | 898 | |
55935d51 NB |
899 | offset = MD_NEW_SIZE_SECTORS(dsize>>9); |
900 | ||
901 | offset *= 512; | |
902 | ||
903 | offset += MD_SB_BYTES; | |
904 | ||
905 | lseek64(fd, offset, 0); | |
906 | } | |
907 | ||
8d75b7fc NB |
908 | int write_bitmap0(struct supertype *st, int fd, void *sbv) |
909 | { | |
8d75b7fc NB |
910 | unsigned long long dsize; |
911 | unsigned long long offset; | |
912 | mdp_super_t *sb = sbv; | |
913 | ||
914 | int rv = 0; | |
915 | ||
916 | int towrite, n; | |
917 | char buf[4096]; | |
918 | ||
beae1dfe NB |
919 | if (!get_dev_size(fd, NULL, &dsize)) |
920 | return 1; | |
921 | ||
8d75b7fc | 922 | |
beae1dfe | 923 | if (dsize < MD_RESERVED_SECTORS*512 * 2) |
353632d9 NB |
924 | return -1; |
925 | ||
8d75b7fc NB |
926 | offset = MD_NEW_SIZE_SECTORS(dsize>>9); |
927 | ||
928 | offset *= 512; | |
929 | ||
930 | if (lseek64(fd, offset + 4096, 0)< 0LL) | |
931 | return 3; | |
932 | ||
933 | ||
1e0d770c NB |
934 | if (write(fd, ((char*)sb)+MD_SB_BYTES, sizeof(bitmap_super_t)) != |
935 | sizeof(bitmap_super_t)) | |
936 | return -2; | |
8d75b7fc NB |
937 | towrite = 64*1024 - MD_SB_BYTES - sizeof(bitmap_super_t); |
938 | memset(buf, 0xff, sizeof(buf)); | |
939 | while (towrite > 0) { | |
940 | n = towrite; | |
941 | if (n > sizeof(buf)) | |
942 | n = sizeof(buf); | |
943 | n = write(fd, buf, n); | |
944 | if (n > 0) | |
945 | towrite -= n; | |
946 | else | |
947 | break; | |
948 | } | |
dfd4d8ee | 949 | fsync(fd); |
8d75b7fc NB |
950 | if (towrite) |
951 | rv = -2; | |
952 | ||
953 | return rv; | |
954 | } | |
55935d51 | 955 | |
f9ce90ba | 956 | struct superswitch super0 = { |
c7654afc | 957 | #ifndef MDASSEMBLE |
f9ce90ba NB |
958 | .examine_super = examine_super0, |
959 | .brief_examine_super = brief_examine_super0, | |
960 | .detail_super = detail_super0, | |
961 | .brief_detail_super = brief_detail_super0, | |
54bad364 | 962 | .export_super = export_super0, |
c7654afc | 963 | #endif |
83b6208e | 964 | .match_home = match_home0, |
f9ce90ba NB |
965 | .uuid_from_super = uuid_from_super0, |
966 | .getinfo_super = getinfo_super0, | |
967 | .update_super = update_super0, | |
f9ce90ba NB |
968 | .init_super = init_super0, |
969 | .add_to_super = add_to_super0, | |
970 | .store_super = store_super0, | |
971 | .write_init_super = write_init_super0, | |
972 | .compare_super = compare_super0, | |
973 | .load_super = load_super0, | |
974 | .match_metadata_desc = match_metadata_desc0, | |
82d9eba6 | 975 | .avail_size = avail_size0, |
55935d51 NB |
976 | .add_internal_bitmap = add_internal_bitmap0, |
977 | .locate_bitmap = locate_bitmap0, | |
8d75b7fc | 978 | .write_bitmap = write_bitmap0, |
82d9eba6 | 979 | .major = 0, |
f277ce36 | 980 | .swapuuid = 0, |
f9ce90ba | 981 | }; |