]>
Commit | Line | Data |
---|---|---|
979afcb8 PS |
1 | /* |
2 | * raid6check - extended consistency check for RAID-6 | |
3 | * | |
4 | * Copyright (C) 2011 Piergiorgio Sartor | |
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: Piergiorgio Sartor | |
22 | * Based on "restripe.c" from "mdadm" codebase | |
23 | */ | |
24 | ||
25 | #include "mdadm.h" | |
26 | #include <stdint.h> | |
8d8ab389 PS |
27 | #include <signal.h> |
28 | #include <sys/mman.h> | |
979afcb8 PS |
29 | |
30 | int geo_map(int block, unsigned long long stripe, int raid_disks, | |
31 | int level, int layout); | |
32 | void qsyndrome(uint8_t *p, uint8_t *q, uint8_t **sources, int disks, int size); | |
33 | void make_tables(void); | |
f2e29ad6 RB |
34 | void ensure_zero_has_size(int chunk_size); |
35 | void raid6_datap_recov(int disks, size_t bytes, int faila, uint8_t **ptrs); | |
36 | void raid6_2data_recov(int disks, size_t bytes, int faila, int failb, | |
37 | uint8_t **ptrs); | |
38 | void xor_blocks(char *target, char **sources, int disks, int size); | |
39 | ||
979afcb8 PS |
40 | |
41 | /* Collect per stripe consistency information */ | |
42 | void raid6_collect(int chunk_size, uint8_t *p, uint8_t *q, | |
43 | char *chunkP, char *chunkQ, int *results) | |
44 | { | |
45 | int i; | |
46 | int data_id; | |
47 | uint8_t Px, Qx; | |
48 | extern uint8_t raid6_gflog[]; | |
49 | ||
50 | for(i = 0; i < chunk_size; i++) { | |
51 | Px = (uint8_t)chunkP[i] ^ (uint8_t)p[i]; | |
52 | Qx = (uint8_t)chunkQ[i] ^ (uint8_t)q[i]; | |
53 | ||
54 | if((Px != 0) && (Qx == 0)) | |
55 | results[i] = -1; | |
56 | ||
57 | if((Px == 0) && (Qx != 0)) | |
58 | results[i] = -2; | |
59 | ||
60 | if((Px != 0) && (Qx != 0)) { | |
61 | data_id = (raid6_gflog[Qx] - raid6_gflog[Px]); | |
62 | if(data_id < 0) data_id += 255; | |
63 | results[i] = data_id; | |
64 | } | |
65 | ||
66 | if((Px == 0) && (Qx == 0)) | |
67 | results[i] = -255; | |
68 | } | |
69 | } | |
70 | ||
71 | /* Try to find out if a specific disk has problems */ | |
72 | int raid6_stats(int *results, int raid_disks, int chunk_size) | |
73 | { | |
74 | int i; | |
75 | int curr_broken_disk = -255; | |
76 | int prev_broken_disk = -255; | |
77 | int broken_status = 0; | |
78 | ||
79 | for(i = 0; i < chunk_size; i++) { | |
80 | ||
81 | if(results[i] != -255) | |
82 | curr_broken_disk = results[i]; | |
83 | ||
84 | if(curr_broken_disk >= raid_disks) | |
85 | broken_status = 2; | |
86 | ||
87 | switch(broken_status) { | |
88 | case 0: | |
89 | if(curr_broken_disk != -255) { | |
90 | prev_broken_disk = curr_broken_disk; | |
91 | broken_status = 1; | |
92 | } | |
93 | break; | |
94 | ||
95 | case 1: | |
96 | if(curr_broken_disk != prev_broken_disk) | |
97 | broken_status = 2; | |
98 | break; | |
99 | ||
100 | case 2: | |
101 | default: | |
102 | curr_broken_disk = prev_broken_disk = -65535; | |
103 | break; | |
104 | } | |
105 | } | |
106 | ||
107 | return curr_broken_disk; | |
108 | } | |
109 | ||
8d8ab389 | 110 | int check_stripes(struct mdinfo *info, int *source, unsigned long long *offsets, |
979afcb8 | 111 | int raid_disks, int chunk_size, int level, int layout, |
f2e29ad6 RB |
112 | unsigned long long start, unsigned long long length, char *name[], |
113 | int repair, int failed_disk1, int failed_disk2) | |
979afcb8 PS |
114 | { |
115 | /* read the data and p and q blocks, and check we got them right */ | |
503975b9 N |
116 | char *stripe_buf = xmalloc(raid_disks * chunk_size); |
117 | char **stripes = xmalloc(raid_disks * sizeof(char*)); | |
118 | char **blocks = xmalloc(raid_disks * sizeof(char*)); | |
119 | uint8_t *p = xmalloc(chunk_size); | |
120 | uint8_t *q = xmalloc(chunk_size); | |
121 | int *results = xmalloc(chunk_size * sizeof(int)); | |
979afcb8 PS |
122 | |
123 | int i; | |
124 | int diskP, diskQ; | |
125 | int data_disks = raid_disks - 2; | |
af3c3750 | 126 | int err = 0; |
8d8ab389 PS |
127 | sighandler_t sig[3]; |
128 | int rv; | |
979afcb8 PS |
129 | |
130 | extern int tables_ready; | |
131 | ||
132 | if (!tables_ready) | |
133 | make_tables(); | |
134 | ||
135 | for ( i = 0 ; i < raid_disks ; i++) | |
136 | stripes[i] = stripe_buf + i * chunk_size; | |
137 | ||
138 | while (length > 0) { | |
139 | int disk; | |
140 | ||
af3c3750 PS |
141 | printf("pos --> %llu\n", start); |
142 | ||
8d8ab389 PS |
143 | if(mlockall(MCL_CURRENT | MCL_FUTURE) != 0) { |
144 | err = 2; | |
145 | goto exitCheck; | |
146 | } | |
147 | sig[0] = signal(SIGTERM, SIG_IGN); | |
148 | sig[1] = signal(SIGINT, SIG_IGN); | |
149 | sig[2] = signal(SIGQUIT, SIG_IGN); | |
150 | rv = sysfs_set_num(info, NULL, "suspend_lo", start * chunk_size * data_disks); | |
151 | rv |= sysfs_set_num(info, NULL, "suspend_hi", (start + 1) * chunk_size * data_disks); | |
979afcb8 | 152 | for (i = 0 ; i < raid_disks ; i++) { |
af3c3750 | 153 | lseek64(source[i], offsets[i] + start * chunk_size, 0); |
979afcb8 PS |
154 | read(source[i], stripes[i], chunk_size); |
155 | } | |
8d8ab389 PS |
156 | rv |= sysfs_set_num(info, NULL, "suspend_lo", 0x7FFFFFFFFFFFFFFFULL); |
157 | rv |= sysfs_set_num(info, NULL, "suspend_hi", 0); | |
158 | rv |= sysfs_set_num(info, NULL, "suspend_lo", 0); | |
159 | signal(SIGQUIT, sig[2]); | |
160 | signal(SIGINT, sig[1]); | |
161 | signal(SIGTERM, sig[0]); | |
162 | if(munlockall() != 0) { | |
163 | err = 3; | |
164 | goto exitCheck; | |
165 | } | |
166 | ||
167 | if(rv != 0) { | |
168 | err = rv * 256; | |
169 | goto exitCheck; | |
170 | } | |
171 | ||
979afcb8 | 172 | for (i = 0 ; i < data_disks ; i++) { |
af3c3750 | 173 | int disk = geo_map(i, start, raid_disks, level, layout); |
979afcb8 PS |
174 | blocks[i] = stripes[disk]; |
175 | printf("%d->%d\n", i, disk); | |
176 | } | |
177 | ||
178 | qsyndrome(p, q, (uint8_t**)blocks, data_disks, chunk_size); | |
af3c3750 | 179 | diskP = geo_map(-1, start, raid_disks, level, layout); |
f2e29ad6 RB |
180 | diskQ = geo_map(-2, start, raid_disks, level, layout); |
181 | blocks[data_disks] = stripes[diskP]; | |
182 | blocks[data_disks+1] = stripes[diskQ]; | |
183 | ||
979afcb8 | 184 | if (memcmp(p, stripes[diskP], chunk_size) != 0) { |
af3c3750 | 185 | printf("P(%d) wrong at %llu\n", diskP, start); |
979afcb8 | 186 | } |
979afcb8 | 187 | if (memcmp(q, stripes[diskQ], chunk_size) != 0) { |
af3c3750 | 188 | printf("Q(%d) wrong at %llu\n", diskQ, start); |
979afcb8 | 189 | } |
af3c3750 | 190 | raid6_collect(chunk_size, p, q, stripes[diskP], stripes[diskQ], results); |
979afcb8 PS |
191 | disk = raid6_stats(results, raid_disks, chunk_size); |
192 | ||
193 | if(disk >= -2) { | |
af3c3750 | 194 | disk = geo_map(disk, start, raid_disks, level, layout); |
979afcb8 PS |
195 | } |
196 | if(disk >= 0) { | |
af3c3750 PS |
197 | printf("Error detected at %llu: possible failed disk slot: %d --> %s\n", |
198 | start, disk, name[disk]); | |
979afcb8 PS |
199 | } |
200 | if(disk == -65535) { | |
af3c3750 | 201 | printf("Error detected at %llu: disk slot unknown\n", start); |
979afcb8 | 202 | } |
f2e29ad6 RB |
203 | if(repair == 1) { |
204 | printf("Repairing stripe %llu\n", start); | |
205 | printf("Assuming slots %d (%s) and %d (%s) are incorrect\n", | |
206 | failed_disk1, name[failed_disk1], | |
207 | failed_disk2, name[failed_disk2]); | |
208 | ||
209 | if (failed_disk1 == diskQ || failed_disk2 == diskQ) { | |
210 | char *all_but_failed_blocks[data_disks]; | |
211 | int failed_data; | |
212 | int failed_block_index; | |
213 | ||
214 | if (failed_disk1 == diskQ) | |
215 | failed_data = failed_disk2; | |
216 | else | |
217 | failed_data = failed_disk1; | |
218 | printf("Repairing D/P(%d) and Q\n", failed_data); | |
219 | failed_block_index = geo_map( | |
220 | failed_data, start, raid_disks, | |
221 | level, layout); | |
222 | for (i=0; i < data_disks; i++) | |
223 | if (failed_block_index == i) | |
224 | all_but_failed_blocks[i] = stripes[diskP]; | |
225 | else | |
226 | all_but_failed_blocks[i] = blocks[i]; | |
227 | xor_blocks(stripes[failed_data], | |
228 | all_but_failed_blocks, data_disks, chunk_size); | |
229 | qsyndrome(p, (uint8_t*)stripes[diskQ], (uint8_t**)blocks, data_disks, chunk_size); | |
230 | } else { | |
231 | ensure_zero_has_size(chunk_size); | |
232 | if (failed_disk1 == diskP || failed_disk2 == diskP) { | |
233 | int failed_data, failed_block_index; | |
234 | if (failed_disk1 == diskP) | |
235 | failed_data = failed_disk2; | |
236 | else | |
237 | failed_data = failed_disk1; | |
238 | failed_block_index = geo_map(failed_data, start, raid_disks, level, layout); | |
239 | printf("Repairing D(%d) and P\n", failed_data); | |
240 | raid6_datap_recov(raid_disks, chunk_size, failed_block_index, (uint8_t**)blocks); | |
241 | } else { | |
242 | printf("Repairing D and D\n"); | |
243 | int failed_block_index1 = geo_map(failed_disk1, start, raid_disks, level, layout); | |
244 | int failed_block_index2 = geo_map(failed_disk2, start, raid_disks, level, layout); | |
245 | if (failed_block_index1 > failed_block_index2) { | |
246 | int t = failed_block_index1; | |
247 | failed_block_index1 = failed_block_index2; | |
248 | failed_block_index2 = t; | |
249 | } | |
250 | raid6_2data_recov(raid_disks, chunk_size, failed_block_index1, failed_block_index2, (uint8_t**)blocks); | |
251 | } | |
252 | } | |
253 | if(mlockall(MCL_CURRENT | MCL_FUTURE) != 0) { | |
254 | err = 2; | |
255 | goto exitCheck; | |
256 | } | |
257 | sig[0] = signal(SIGTERM, SIG_IGN); | |
258 | sig[1] = signal(SIGINT, SIG_IGN); | |
259 | sig[2] = signal(SIGQUIT, SIG_IGN); | |
260 | rv = sysfs_set_num(info, NULL, "suspend_lo", start * chunk_size * data_disks); | |
261 | rv |= sysfs_set_num(info, NULL, "suspend_hi", (start + 1) * chunk_size * data_disks); | |
262 | lseek64(source[failed_disk1], offsets[failed_disk1] + start * chunk_size, 0); | |
263 | write(source[failed_disk1], stripes[failed_disk1], chunk_size); | |
264 | lseek64(source[failed_disk2], offsets[failed_disk2] + start * chunk_size, 0); | |
265 | write(source[failed_disk2], stripes[failed_disk2], chunk_size); | |
266 | rv |= sysfs_set_num(info, NULL, "suspend_lo", 0x7FFFFFFFFFFFFFFFULL); | |
267 | rv |= sysfs_set_num(info, NULL, "suspend_hi", 0); | |
268 | rv |= sysfs_set_num(info, NULL, "suspend_lo", 0); | |
269 | signal(SIGQUIT, sig[2]); | |
270 | signal(SIGINT, sig[1]); | |
271 | signal(SIGTERM, sig[0]); | |
272 | if(munlockall() != 0) { | |
273 | err = 3; | |
274 | goto exitCheck; | |
275 | } | |
276 | ||
277 | if(rv != 0) { | |
278 | err = rv * 256; | |
279 | goto exitCheck; | |
280 | } | |
281 | } | |
282 | ||
979afcb8 | 283 | |
af3c3750 PS |
284 | length--; |
285 | start++; | |
979afcb8 PS |
286 | } |
287 | ||
af3c3750 PS |
288 | exitCheck: |
289 | ||
979afcb8 PS |
290 | free(stripe_buf); |
291 | free(stripes); | |
292 | free(blocks); | |
293 | free(p); | |
294 | free(q); | |
295 | free(results); | |
296 | ||
af3c3750 | 297 | return err; |
979afcb8 PS |
298 | } |
299 | ||
300 | unsigned long long getnum(char *str, char **err) | |
301 | { | |
302 | char *e; | |
303 | unsigned long long rv = strtoull(str, &e, 10); | |
304 | if (e==str || *e) { | |
305 | *err = str; | |
306 | return 0; | |
307 | } | |
308 | return rv; | |
309 | } | |
310 | ||
311 | int main(int argc, char *argv[]) | |
312 | { | |
a9c2c6c6 | 313 | /* md_device start length */ |
af3c3750 PS |
314 | int *fds = NULL; |
315 | char *buf = NULL; | |
316 | char **disk_name = NULL; | |
317 | unsigned long long *offsets = NULL; | |
318 | int raid_disks = 0; | |
2cf31121 | 319 | int active_disks; |
af3c3750 PS |
320 | int chunk_size = 0; |
321 | int layout = -1; | |
979afcb8 | 322 | int level = 6; |
f2e29ad6 RB |
323 | int repair = 0; |
324 | int failed_disk1, failed_disk2; | |
979afcb8 PS |
325 | unsigned long long start, length; |
326 | int i; | |
a9c2c6c6 | 327 | int mdfd; |
8d8ab389 | 328 | struct mdinfo *info = NULL, *comp = NULL; |
979afcb8 | 329 | char *err = NULL; |
af3c3750 PS |
330 | int exit_err = 0; |
331 | int close_flag = 0; | |
332 | char *prg = strrchr(argv[0], '/'); | |
333 | ||
334 | if (prg == NULL) | |
335 | prg = argv[0]; | |
336 | else | |
337 | prg++; | |
338 | ||
339 | if (argc < 4) { | |
340 | fprintf(stderr, "Usage: %s md_device start_stripe length_stripes\n", prg); | |
f2e29ad6 | 341 | fprintf(stderr, " or: %s md_device repair stripe failed_slot_1 failed_slot_2\n", prg); |
af3c3750 PS |
342 | exit_err = 1; |
343 | goto exitHere; | |
979afcb8 PS |
344 | } |
345 | ||
a9c2c6c6 PS |
346 | mdfd = open(argv[1], O_RDONLY); |
347 | if(mdfd < 0) { | |
348 | perror(argv[1]); | |
e7b84f9d | 349 | fprintf(stderr, "%s: cannot open %s\n", prg, argv[1]); |
af3c3750 PS |
350 | exit_err = 2; |
351 | goto exitHere; | |
a9c2c6c6 PS |
352 | } |
353 | ||
354 | info = sysfs_read(mdfd, -1, | |
355 | GET_LEVEL| | |
356 | GET_LAYOUT| | |
357 | GET_DISKS| | |
2cf31121 | 358 | GET_DEGRADED | |
a9c2c6c6 PS |
359 | GET_COMPONENT| |
360 | GET_CHUNK| | |
361 | GET_DEVS| | |
362 | GET_OFFSET| | |
363 | GET_SIZE); | |
364 | ||
8d8ab389 PS |
365 | if(info == NULL) { |
366 | fprintf(stderr, "%s: Error reading sysfs information of %s\n", prg, argv[1]); | |
367 | exit_err = 9; | |
368 | goto exitHere; | |
369 | } | |
370 | ||
a9c2c6c6 PS |
371 | if(info->array.level != level) { |
372 | fprintf(stderr, "%s: %s not a RAID-6\n", prg, argv[1]); | |
af3c3750 PS |
373 | exit_err = 3; |
374 | goto exitHere; | |
a9c2c6c6 PS |
375 | } |
376 | ||
2cf31121 PS |
377 | if(info->array.failed_disks > 0) { |
378 | fprintf(stderr, "%s: %s degraded array\n", prg, argv[1]); | |
379 | exit_err = 8; | |
380 | goto exitHere; | |
381 | } | |
382 | ||
a9c2c6c6 PS |
383 | printf("layout: %d\n", info->array.layout); |
384 | printf("disks: %d\n", info->array.raid_disks); | |
af3c3750 PS |
385 | printf("component size: %llu\n", info->component_size * 512); |
386 | printf("total stripes: %llu\n", (info->component_size * 512) / info->array.chunk_size); | |
a9c2c6c6 PS |
387 | printf("chunk size: %d\n", info->array.chunk_size); |
388 | printf("\n"); | |
389 | ||
390 | comp = info->devs; | |
2cf31121 | 391 | for(i = 0, active_disks = 0; active_disks < info->array.raid_disks; i++) { |
a9c2c6c6 | 392 | printf("disk: %d - offset: %llu - size: %llu - name: %s - slot: %d\n", |
af3c3750 | 393 | i, comp->data_offset * 512, comp->component_size * 512, |
a9c2c6c6 PS |
394 | map_dev(comp->disk.major, comp->disk.minor, 0), |
395 | comp->disk.raid_disk); | |
2cf31121 PS |
396 | if(comp->disk.raid_disk >= 0) |
397 | active_disks++; | |
a9c2c6c6 PS |
398 | comp = comp->next; |
399 | } | |
400 | printf("\n"); | |
401 | ||
402 | close(mdfd); | |
403 | ||
404 | raid_disks = info->array.raid_disks; | |
405 | chunk_size = info->array.chunk_size; | |
406 | layout = info->array.layout; | |
f2e29ad6 RB |
407 | if (strcmp(argv[2], "repair")==0) { |
408 | if (argc < 6) { | |
409 | fprintf(stderr, "For repair mode, call %s md_device repair stripe failed_slot_1 failed_slot_2\n", prg); | |
410 | exit_err = 1; | |
411 | goto exitHere; | |
412 | } | |
413 | repair = 1; | |
414 | start = getnum(argv[3], &err); | |
415 | length = 1; | |
416 | failed_disk1 = getnum(argv[4], &err); | |
417 | failed_disk2 = getnum(argv[5], &err); | |
418 | ||
419 | if(failed_disk1 > info->array.raid_disks) { | |
420 | fprintf(stderr, "%s: failed_slot_1 index is higher than number of devices in raid\n", prg); | |
421 | exit_err = 4; | |
422 | goto exitHere; | |
423 | } | |
424 | if(failed_disk2 > info->array.raid_disks) { | |
425 | fprintf(stderr, "%s: failed_slot_2 index is higher than number of devices in raid\n", prg); | |
426 | exit_err = 4; | |
427 | goto exitHere; | |
428 | } | |
429 | if(failed_disk1 == failed_disk2) { | |
430 | fprintf(stderr, "%s: failed_slot_1 and failed_slot_2 are the same\n", prg); | |
431 | exit_err = 4; | |
432 | goto exitHere; | |
433 | } | |
434 | } | |
435 | else { | |
436 | start = getnum(argv[2], &err); | |
437 | length = getnum(argv[3], &err); | |
438 | } | |
a9c2c6c6 | 439 | |
979afcb8 | 440 | if (err) { |
a9c2c6c6 | 441 | fprintf(stderr, "%s: Bad number: %s\n", prg, err); |
af3c3750 PS |
442 | exit_err = 4; |
443 | goto exitHere; | |
979afcb8 | 444 | } |
a9c2c6c6 | 445 | |
af3c3750 PS |
446 | if(start > ((info->component_size * 512) / chunk_size)) { |
447 | start = (info->component_size * 512) / chunk_size; | |
448 | fprintf(stderr, "%s: start beyond disks size\n", prg); | |
449 | } | |
a9c2c6c6 | 450 | |
af3c3750 PS |
451 | if((length == 0) || |
452 | ((length + start) > ((info->component_size * 512) / chunk_size))) { | |
453 | length = (info->component_size * 512) / chunk_size - start; | |
979afcb8 | 454 | } |
a9c2c6c6 | 455 | |
503975b9 N |
456 | disk_name = xmalloc(raid_disks * sizeof(*disk_name)); |
457 | fds = xmalloc(raid_disks * sizeof(*fds)); | |
458 | offsets = xcalloc(raid_disks, sizeof(*offsets)); | |
459 | buf = xmalloc(raid_disks * chunk_size); | |
af3c3750 | 460 | |
af3c3750 PS |
461 | for(i=0; i<raid_disks; i++) { |
462 | fds[i] = -1; | |
463 | } | |
464 | close_flag = 1; | |
979afcb8 | 465 | |
a9c2c6c6 | 466 | comp = info->devs; |
2cf31121 | 467 | for (i=0, active_disks=0; active_disks<raid_disks; i++) { |
a9c2c6c6 | 468 | int disk_slot = comp->disk.raid_disk; |
2cf31121 PS |
469 | if(disk_slot >= 0) { |
470 | disk_name[disk_slot] = map_dev(comp->disk.major, comp->disk.minor, 0); | |
471 | offsets[disk_slot] = comp->data_offset * 512; | |
472 | fds[disk_slot] = open(disk_name[disk_slot], O_RDWR); | |
473 | if (fds[disk_slot] < 0) { | |
474 | perror(disk_name[disk_slot]); | |
475 | fprintf(stderr,"%s: cannot open %s\n", prg, disk_name[disk_slot]); | |
476 | exit_err = 6; | |
477 | goto exitHere; | |
478 | } | |
479 | active_disks++; | |
979afcb8 | 480 | } |
a9c2c6c6 | 481 | comp = comp->next; |
979afcb8 PS |
482 | } |
483 | ||
8d8ab389 | 484 | int rv = check_stripes(info, fds, offsets, |
979afcb8 | 485 | raid_disks, chunk_size, level, layout, |
f2e29ad6 | 486 | start, length, disk_name, repair, failed_disk1, failed_disk2); |
979afcb8 PS |
487 | if (rv != 0) { |
488 | fprintf(stderr, | |
a9c2c6c6 | 489 | "%s: check_stripes returned %d\n", prg, rv); |
af3c3750 PS |
490 | exit_err = 7; |
491 | goto exitHere; | |
979afcb8 PS |
492 | } |
493 | ||
af3c3750 PS |
494 | exitHere: |
495 | ||
496 | if (close_flag) | |
497 | for(i = 0; i < raid_disks; i++) | |
498 | close(fds[i]); | |
499 | ||
a9c2c6c6 | 500 | free(disk_name); |
979afcb8 PS |
501 | free(fds); |
502 | free(offsets); | |
503 | free(buf); | |
504 | ||
af3c3750 | 505 | exit(exit_err); |
979afcb8 | 506 | } |