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1 | /* |
2 | * CDDL HEADER START | |
3 | * | |
4 | * The contents of this file are subject to the terms of the | |
5 | * Common Development and Distribution License (the "License"). | |
6 | * You may not use this file except in compliance with the License. | |
7 | * | |
8 | * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE | |
9 | * or http://www.opensolaris.org/os/licensing. | |
10 | * See the License for the specific language governing permissions | |
11 | * and limitations under the License. | |
12 | * | |
13 | * When distributing Covered Code, include this CDDL HEADER in each | |
14 | * file and include the License file at usr/src/OPENSOLARIS.LICENSE. | |
15 | * If applicable, add the following below this CDDL HEADER, with the | |
16 | * fields enclosed by brackets "[]" replaced with your own identifying | |
17 | * information: Portions Copyright [yyyy] [name of copyright owner] | |
18 | * | |
19 | * CDDL HEADER END | |
20 | */ | |
21 | ||
22 | /* | |
23 | * Copyright 2008 Sun Microsystems, Inc. All rights reserved. | |
24 | * Use is subject to license terms. | |
25 | */ | |
26 | ||
27 | #pragma ident "@(#)libzfs_pool.c 1.44 08/04/11 SMI" | |
28 | ||
29 | #include <alloca.h> | |
30 | #include <assert.h> | |
31 | #include <ctype.h> | |
32 | #include <errno.h> | |
33 | #include <devid.h> | |
34 | #include <dirent.h> | |
35 | #include <fcntl.h> | |
36 | #include <libintl.h> | |
37 | #include <stdio.h> | |
38 | #include <stdlib.h> | |
39 | #include <strings.h> | |
40 | #include <unistd.h> | |
41 | #include <sys/efi_partition.h> | |
42 | #include <sys/vtoc.h> | |
43 | #include <sys/zfs_ioctl.h> | |
44 | #include <sys/zio.h> | |
45 | #include <strings.h> | |
46 | ||
47 | #include "zfs_namecheck.h" | |
48 | #include "zfs_prop.h" | |
49 | #include "libzfs_impl.h" | |
50 | ||
51 | ||
52 | /* | |
53 | * ==================================================================== | |
54 | * zpool property functions | |
55 | * ==================================================================== | |
56 | */ | |
57 | ||
58 | static int | |
59 | zpool_get_all_props(zpool_handle_t *zhp) | |
60 | { | |
61 | zfs_cmd_t zc = { 0 }; | |
62 | libzfs_handle_t *hdl = zhp->zpool_hdl; | |
63 | ||
64 | (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); | |
65 | ||
66 | if (zcmd_alloc_dst_nvlist(hdl, &zc, 0) != 0) | |
67 | return (-1); | |
68 | ||
69 | while (ioctl(hdl->libzfs_fd, ZFS_IOC_POOL_GET_PROPS, &zc) != 0) { | |
70 | if (errno == ENOMEM) { | |
71 | if (zcmd_expand_dst_nvlist(hdl, &zc) != 0) { | |
72 | zcmd_free_nvlists(&zc); | |
73 | return (-1); | |
74 | } | |
75 | } else { | |
76 | zcmd_free_nvlists(&zc); | |
77 | return (-1); | |
78 | } | |
79 | } | |
80 | ||
81 | if (zcmd_read_dst_nvlist(hdl, &zc, &zhp->zpool_props) != 0) { | |
82 | zcmd_free_nvlists(&zc); | |
83 | return (-1); | |
84 | } | |
85 | ||
86 | zcmd_free_nvlists(&zc); | |
87 | ||
88 | return (0); | |
89 | } | |
90 | ||
91 | static int | |
92 | zpool_props_refresh(zpool_handle_t *zhp) | |
93 | { | |
94 | nvlist_t *old_props; | |
95 | ||
96 | old_props = zhp->zpool_props; | |
97 | ||
98 | if (zpool_get_all_props(zhp) != 0) | |
99 | return (-1); | |
100 | ||
101 | nvlist_free(old_props); | |
102 | return (0); | |
103 | } | |
104 | ||
105 | static char * | |
106 | zpool_get_prop_string(zpool_handle_t *zhp, zpool_prop_t prop, | |
107 | zprop_source_t *src) | |
108 | { | |
109 | nvlist_t *nv, *nvl; | |
110 | uint64_t ival; | |
111 | char *value; | |
112 | zprop_source_t source; | |
113 | ||
114 | nvl = zhp->zpool_props; | |
115 | if (nvlist_lookup_nvlist(nvl, zpool_prop_to_name(prop), &nv) == 0) { | |
116 | verify(nvlist_lookup_uint64(nv, ZPROP_SOURCE, &ival) == 0); | |
117 | source = ival; | |
118 | verify(nvlist_lookup_string(nv, ZPROP_VALUE, &value) == 0); | |
119 | } else { | |
120 | source = ZPROP_SRC_DEFAULT; | |
121 | if ((value = (char *)zpool_prop_default_string(prop)) == NULL) | |
122 | value = "-"; | |
123 | } | |
124 | ||
125 | if (src) | |
126 | *src = source; | |
127 | ||
128 | return (value); | |
129 | } | |
130 | ||
131 | uint64_t | |
132 | zpool_get_prop_int(zpool_handle_t *zhp, zpool_prop_t prop, zprop_source_t *src) | |
133 | { | |
134 | nvlist_t *nv, *nvl; | |
135 | uint64_t value; | |
136 | zprop_source_t source; | |
137 | ||
138 | if (zhp->zpool_props == NULL && zpool_get_all_props(zhp)) | |
139 | return (zpool_prop_default_numeric(prop)); | |
140 | ||
141 | nvl = zhp->zpool_props; | |
142 | if (nvlist_lookup_nvlist(nvl, zpool_prop_to_name(prop), &nv) == 0) { | |
143 | verify(nvlist_lookup_uint64(nv, ZPROP_SOURCE, &value) == 0); | |
144 | source = value; | |
145 | verify(nvlist_lookup_uint64(nv, ZPROP_VALUE, &value) == 0); | |
146 | } else { | |
147 | source = ZPROP_SRC_DEFAULT; | |
148 | value = zpool_prop_default_numeric(prop); | |
149 | } | |
150 | ||
151 | if (src) | |
152 | *src = source; | |
153 | ||
154 | return (value); | |
155 | } | |
156 | ||
157 | /* | |
158 | * Map VDEV STATE to printed strings. | |
159 | */ | |
160 | char * | |
161 | zpool_state_to_name(vdev_state_t state, vdev_aux_t aux) | |
162 | { | |
163 | switch (state) { | |
164 | case VDEV_STATE_CLOSED: | |
165 | case VDEV_STATE_OFFLINE: | |
166 | return (gettext("OFFLINE")); | |
167 | case VDEV_STATE_REMOVED: | |
168 | return (gettext("REMOVED")); | |
169 | case VDEV_STATE_CANT_OPEN: | |
170 | if (aux == VDEV_AUX_CORRUPT_DATA) | |
171 | return (gettext("FAULTED")); | |
172 | else | |
173 | return (gettext("UNAVAIL")); | |
174 | case VDEV_STATE_FAULTED: | |
175 | return (gettext("FAULTED")); | |
176 | case VDEV_STATE_DEGRADED: | |
177 | return (gettext("DEGRADED")); | |
178 | case VDEV_STATE_HEALTHY: | |
179 | return (gettext("ONLINE")); | |
180 | } | |
181 | ||
182 | return (gettext("UNKNOWN")); | |
183 | } | |
184 | ||
185 | /* | |
186 | * Get a zpool property value for 'prop' and return the value in | |
187 | * a pre-allocated buffer. | |
188 | */ | |
189 | int | |
190 | zpool_get_prop(zpool_handle_t *zhp, zpool_prop_t prop, char *buf, size_t len, | |
191 | zprop_source_t *srctype) | |
192 | { | |
193 | uint64_t intval; | |
194 | const char *strval; | |
195 | zprop_source_t src = ZPROP_SRC_NONE; | |
196 | nvlist_t *nvroot; | |
197 | vdev_stat_t *vs; | |
198 | uint_t vsc; | |
199 | ||
200 | if (zpool_get_state(zhp) == POOL_STATE_UNAVAIL) { | |
201 | if (prop == ZPOOL_PROP_NAME) | |
202 | (void) strlcpy(buf, zpool_get_name(zhp), len); | |
203 | else if (prop == ZPOOL_PROP_HEALTH) | |
204 | (void) strlcpy(buf, "FAULTED", len); | |
205 | else | |
206 | (void) strlcpy(buf, "-", len); | |
207 | return (0); | |
208 | } | |
209 | ||
210 | if (zhp->zpool_props == NULL && zpool_get_all_props(zhp) && | |
211 | prop != ZPOOL_PROP_NAME) | |
212 | return (-1); | |
213 | ||
214 | switch (zpool_prop_get_type(prop)) { | |
215 | case PROP_TYPE_STRING: | |
216 | (void) strlcpy(buf, zpool_get_prop_string(zhp, prop, &src), | |
217 | len); | |
218 | break; | |
219 | ||
220 | case PROP_TYPE_NUMBER: | |
221 | intval = zpool_get_prop_int(zhp, prop, &src); | |
222 | ||
223 | switch (prop) { | |
224 | case ZPOOL_PROP_SIZE: | |
225 | case ZPOOL_PROP_USED: | |
226 | case ZPOOL_PROP_AVAILABLE: | |
227 | (void) zfs_nicenum(intval, buf, len); | |
228 | break; | |
229 | ||
230 | case ZPOOL_PROP_CAPACITY: | |
231 | (void) snprintf(buf, len, "%llu%%", | |
232 | (u_longlong_t)intval); | |
233 | break; | |
234 | ||
235 | case ZPOOL_PROP_HEALTH: | |
236 | verify(nvlist_lookup_nvlist(zpool_get_config(zhp, NULL), | |
237 | ZPOOL_CONFIG_VDEV_TREE, &nvroot) == 0); | |
238 | verify(nvlist_lookup_uint64_array(nvroot, | |
239 | ZPOOL_CONFIG_STATS, (uint64_t **)&vs, &vsc) == 0); | |
240 | ||
241 | (void) strlcpy(buf, zpool_state_to_name(intval, | |
242 | vs->vs_aux), len); | |
243 | break; | |
244 | default: | |
245 | (void) snprintf(buf, len, "%llu", intval); | |
246 | } | |
247 | break; | |
248 | ||
249 | case PROP_TYPE_INDEX: | |
250 | intval = zpool_get_prop_int(zhp, prop, &src); | |
251 | if (zpool_prop_index_to_string(prop, intval, &strval) | |
252 | != 0) | |
253 | return (-1); | |
254 | (void) strlcpy(buf, strval, len); | |
255 | break; | |
256 | ||
257 | default: | |
258 | abort(); | |
259 | } | |
260 | ||
261 | if (srctype) | |
262 | *srctype = src; | |
263 | ||
264 | return (0); | |
265 | } | |
266 | ||
267 | /* | |
268 | * Check if the bootfs name has the same pool name as it is set to. | |
269 | * Assuming bootfs is a valid dataset name. | |
270 | */ | |
271 | static boolean_t | |
272 | bootfs_name_valid(const char *pool, char *bootfs) | |
273 | { | |
274 | int len = strlen(pool); | |
275 | ||
276 | if (!zfs_name_valid(bootfs, ZFS_TYPE_FILESYSTEM)) | |
277 | return (B_FALSE); | |
278 | ||
279 | if (strncmp(pool, bootfs, len) == 0 && | |
280 | (bootfs[len] == '/' || bootfs[len] == '\0')) | |
281 | return (B_TRUE); | |
282 | ||
283 | return (B_FALSE); | |
284 | } | |
285 | ||
286 | /* | |
287 | * Given an nvlist of zpool properties to be set, validate that they are | |
288 | * correct, and parse any numeric properties (index, boolean, etc) if they are | |
289 | * specified as strings. | |
290 | */ | |
291 | static nvlist_t * | |
292 | zpool_validate_properties(libzfs_handle_t *hdl, const char *poolname, | |
293 | nvlist_t *props, uint64_t version, boolean_t create_or_import, char *errbuf) | |
294 | { | |
295 | nvpair_t *elem; | |
296 | nvlist_t *retprops; | |
297 | zpool_prop_t prop; | |
298 | char *strval; | |
299 | uint64_t intval; | |
300 | char *slash; | |
301 | struct stat64 statbuf; | |
302 | ||
303 | if (nvlist_alloc(&retprops, NV_UNIQUE_NAME, 0) != 0) { | |
304 | (void) no_memory(hdl); | |
305 | return (NULL); | |
306 | } | |
307 | ||
308 | elem = NULL; | |
309 | while ((elem = nvlist_next_nvpair(props, elem)) != NULL) { | |
310 | const char *propname = nvpair_name(elem); | |
311 | ||
312 | /* | |
313 | * Make sure this property is valid and applies to this type. | |
314 | */ | |
315 | if ((prop = zpool_name_to_prop(propname)) == ZPROP_INVAL) { | |
316 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
317 | "invalid property '%s'"), propname); | |
318 | (void) zfs_error(hdl, EZFS_BADPROP, errbuf); | |
319 | goto error; | |
320 | } | |
321 | ||
322 | if (zpool_prop_readonly(prop)) { | |
323 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "'%s' " | |
324 | "is readonly"), propname); | |
325 | (void) zfs_error(hdl, EZFS_PROPREADONLY, errbuf); | |
326 | goto error; | |
327 | } | |
328 | ||
329 | if (zprop_parse_value(hdl, elem, prop, ZFS_TYPE_POOL, retprops, | |
330 | &strval, &intval, errbuf) != 0) | |
331 | goto error; | |
332 | ||
333 | /* | |
334 | * Perform additional checking for specific properties. | |
335 | */ | |
336 | switch (prop) { | |
337 | case ZPOOL_PROP_VERSION: | |
338 | if (intval < version || intval > SPA_VERSION) { | |
339 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
340 | "property '%s' number %d is invalid."), | |
341 | propname, intval); | |
342 | (void) zfs_error(hdl, EZFS_BADVERSION, errbuf); | |
343 | goto error; | |
344 | } | |
345 | break; | |
346 | ||
347 | case ZPOOL_PROP_BOOTFS: | |
348 | if (create_or_import) { | |
349 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
350 | "property '%s' cannot be set at creation " | |
351 | "or import time"), propname); | |
352 | (void) zfs_error(hdl, EZFS_BADPROP, errbuf); | |
353 | goto error; | |
354 | } | |
355 | ||
356 | if (version < SPA_VERSION_BOOTFS) { | |
357 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
358 | "pool must be upgraded to support " | |
359 | "'%s' property"), propname); | |
360 | (void) zfs_error(hdl, EZFS_BADVERSION, errbuf); | |
361 | goto error; | |
362 | } | |
363 | ||
364 | /* | |
365 | * bootfs property value has to be a dataset name and | |
366 | * the dataset has to be in the same pool as it sets to. | |
367 | */ | |
368 | if (strval[0] != '\0' && !bootfs_name_valid(poolname, | |
369 | strval)) { | |
370 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "'%s' " | |
371 | "is an invalid name"), strval); | |
372 | (void) zfs_error(hdl, EZFS_INVALIDNAME, errbuf); | |
373 | goto error; | |
374 | } | |
375 | break; | |
376 | ||
377 | case ZPOOL_PROP_ALTROOT: | |
378 | if (!create_or_import) { | |
379 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
380 | "property '%s' can only be set during pool " | |
381 | "creation or import"), propname); | |
382 | (void) zfs_error(hdl, EZFS_BADPROP, errbuf); | |
383 | goto error; | |
384 | } | |
385 | ||
386 | if (strval[0] != '/') { | |
387 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
388 | "bad alternate root '%s'"), strval); | |
389 | (void) zfs_error(hdl, EZFS_BADPATH, errbuf); | |
390 | goto error; | |
391 | } | |
392 | break; | |
393 | ||
394 | case ZPOOL_PROP_CACHEFILE: | |
395 | if (strval[0] == '\0') | |
396 | break; | |
397 | ||
398 | if (strcmp(strval, "none") == 0) | |
399 | break; | |
400 | ||
401 | if (strval[0] != '/') { | |
402 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
403 | "property '%s' must be empty, an " | |
404 | "absolute path, or 'none'"), propname); | |
405 | (void) zfs_error(hdl, EZFS_BADPATH, errbuf); | |
406 | goto error; | |
407 | } | |
408 | ||
409 | slash = strrchr(strval, '/'); | |
410 | ||
411 | if (slash[1] == '\0' || strcmp(slash, "/.") == 0 || | |
412 | strcmp(slash, "/..") == 0) { | |
413 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
414 | "'%s' is not a valid file"), strval); | |
415 | (void) zfs_error(hdl, EZFS_BADPATH, errbuf); | |
416 | goto error; | |
417 | } | |
418 | ||
419 | *slash = '\0'; | |
420 | ||
421 | if (strval[0] != '\0' && | |
422 | (stat64(strval, &statbuf) != 0 || | |
423 | !S_ISDIR(statbuf.st_mode))) { | |
424 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
425 | "'%s' is not a valid directory"), | |
426 | strval); | |
427 | (void) zfs_error(hdl, EZFS_BADPATH, errbuf); | |
428 | goto error; | |
429 | } | |
430 | ||
431 | *slash = '/'; | |
432 | break; | |
433 | } | |
434 | } | |
435 | ||
436 | return (retprops); | |
437 | error: | |
438 | nvlist_free(retprops); | |
439 | return (NULL); | |
440 | } | |
441 | ||
442 | /* | |
443 | * Set zpool property : propname=propval. | |
444 | */ | |
445 | int | |
446 | zpool_set_prop(zpool_handle_t *zhp, const char *propname, const char *propval) | |
447 | { | |
448 | zfs_cmd_t zc = { 0 }; | |
449 | int ret = -1; | |
450 | char errbuf[1024]; | |
451 | nvlist_t *nvl = NULL; | |
452 | nvlist_t *realprops; | |
453 | uint64_t version; | |
454 | ||
455 | (void) snprintf(errbuf, sizeof (errbuf), | |
456 | dgettext(TEXT_DOMAIN, "cannot set property for '%s'"), | |
457 | zhp->zpool_name); | |
458 | ||
459 | if (zhp->zpool_props == NULL && zpool_get_all_props(zhp)) | |
460 | return (zfs_error(zhp->zpool_hdl, EZFS_POOLPROPS, errbuf)); | |
461 | ||
462 | if (nvlist_alloc(&nvl, NV_UNIQUE_NAME, 0) != 0) | |
463 | return (no_memory(zhp->zpool_hdl)); | |
464 | ||
465 | if (nvlist_add_string(nvl, propname, propval) != 0) { | |
466 | nvlist_free(nvl); | |
467 | return (no_memory(zhp->zpool_hdl)); | |
468 | } | |
469 | ||
470 | version = zpool_get_prop_int(zhp, ZPOOL_PROP_VERSION, NULL); | |
471 | if ((realprops = zpool_validate_properties(zhp->zpool_hdl, | |
472 | zhp->zpool_name, nvl, version, B_FALSE, errbuf)) == NULL) { | |
473 | nvlist_free(nvl); | |
474 | return (-1); | |
475 | } | |
476 | ||
477 | nvlist_free(nvl); | |
478 | nvl = realprops; | |
479 | ||
480 | /* | |
481 | * Execute the corresponding ioctl() to set this property. | |
482 | */ | |
483 | (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); | |
484 | ||
485 | if (zcmd_write_src_nvlist(zhp->zpool_hdl, &zc, nvl) != 0) { | |
486 | nvlist_free(nvl); | |
487 | return (-1); | |
488 | } | |
489 | ||
490 | ret = zfs_ioctl(zhp->zpool_hdl, ZFS_IOC_POOL_SET_PROPS, &zc); | |
491 | ||
492 | zcmd_free_nvlists(&zc); | |
493 | nvlist_free(nvl); | |
494 | ||
495 | if (ret) | |
496 | (void) zpool_standard_error(zhp->zpool_hdl, errno, errbuf); | |
497 | else | |
498 | (void) zpool_props_refresh(zhp); | |
499 | ||
500 | return (ret); | |
501 | } | |
502 | ||
503 | int | |
504 | zpool_expand_proplist(zpool_handle_t *zhp, zprop_list_t **plp) | |
505 | { | |
506 | libzfs_handle_t *hdl = zhp->zpool_hdl; | |
507 | zprop_list_t *entry; | |
508 | char buf[ZFS_MAXPROPLEN]; | |
509 | ||
510 | if (zprop_expand_list(hdl, plp, ZFS_TYPE_POOL) != 0) | |
511 | return (-1); | |
512 | ||
513 | for (entry = *plp; entry != NULL; entry = entry->pl_next) { | |
514 | ||
515 | if (entry->pl_fixed) | |
516 | continue; | |
517 | ||
518 | if (entry->pl_prop != ZPROP_INVAL && | |
519 | zpool_get_prop(zhp, entry->pl_prop, buf, sizeof (buf), | |
520 | NULL) == 0) { | |
521 | if (strlen(buf) > entry->pl_width) | |
522 | entry->pl_width = strlen(buf); | |
523 | } | |
524 | } | |
525 | ||
526 | return (0); | |
527 | } | |
528 | ||
529 | ||
530 | /* | |
531 | * Validate the given pool name, optionally putting an extended error message in | |
532 | * 'buf'. | |
533 | */ | |
534 | boolean_t | |
535 | zpool_name_valid(libzfs_handle_t *hdl, boolean_t isopen, const char *pool) | |
536 | { | |
537 | namecheck_err_t why; | |
538 | char what; | |
539 | int ret; | |
540 | ||
541 | ret = pool_namecheck(pool, &why, &what); | |
542 | ||
543 | /* | |
544 | * The rules for reserved pool names were extended at a later point. | |
545 | * But we need to support users with existing pools that may now be | |
546 | * invalid. So we only check for this expanded set of names during a | |
547 | * create (or import), and only in userland. | |
548 | */ | |
549 | if (ret == 0 && !isopen && | |
550 | (strncmp(pool, "mirror", 6) == 0 || | |
551 | strncmp(pool, "raidz", 5) == 0 || | |
552 | strncmp(pool, "spare", 5) == 0 || | |
553 | strcmp(pool, "log") == 0)) { | |
554 | if (hdl != NULL) | |
555 | zfs_error_aux(hdl, | |
556 | dgettext(TEXT_DOMAIN, "name is reserved")); | |
557 | return (B_FALSE); | |
558 | } | |
559 | ||
560 | ||
561 | if (ret != 0) { | |
562 | if (hdl != NULL) { | |
563 | switch (why) { | |
564 | case NAME_ERR_TOOLONG: | |
565 | zfs_error_aux(hdl, | |
566 | dgettext(TEXT_DOMAIN, "name is too long")); | |
567 | break; | |
568 | ||
569 | case NAME_ERR_INVALCHAR: | |
570 | zfs_error_aux(hdl, | |
571 | dgettext(TEXT_DOMAIN, "invalid character " | |
572 | "'%c' in pool name"), what); | |
573 | break; | |
574 | ||
575 | case NAME_ERR_NOLETTER: | |
576 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
577 | "name must begin with a letter")); | |
578 | break; | |
579 | ||
580 | case NAME_ERR_RESERVED: | |
581 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
582 | "name is reserved")); | |
583 | break; | |
584 | ||
585 | case NAME_ERR_DISKLIKE: | |
586 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
587 | "pool name is reserved")); | |
588 | break; | |
589 | ||
590 | case NAME_ERR_LEADING_SLASH: | |
591 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
592 | "leading slash in name")); | |
593 | break; | |
594 | ||
595 | case NAME_ERR_EMPTY_COMPONENT: | |
596 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
597 | "empty component in name")); | |
598 | break; | |
599 | ||
600 | case NAME_ERR_TRAILING_SLASH: | |
601 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
602 | "trailing slash in name")); | |
603 | break; | |
604 | ||
605 | case NAME_ERR_MULTIPLE_AT: | |
606 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
607 | "multiple '@' delimiters in name")); | |
608 | break; | |
609 | ||
610 | } | |
611 | } | |
612 | return (B_FALSE); | |
613 | } | |
614 | ||
615 | return (B_TRUE); | |
616 | } | |
617 | ||
618 | /* | |
619 | * Open a handle to the given pool, even if the pool is currently in the FAULTED | |
620 | * state. | |
621 | */ | |
622 | zpool_handle_t * | |
623 | zpool_open_canfail(libzfs_handle_t *hdl, const char *pool) | |
624 | { | |
625 | zpool_handle_t *zhp; | |
626 | boolean_t missing; | |
627 | ||
628 | /* | |
629 | * Make sure the pool name is valid. | |
630 | */ | |
631 | if (!zpool_name_valid(hdl, B_TRUE, pool)) { | |
632 | (void) zfs_error_fmt(hdl, EZFS_INVALIDNAME, | |
633 | dgettext(TEXT_DOMAIN, "cannot open '%s'"), | |
634 | pool); | |
635 | return (NULL); | |
636 | } | |
637 | ||
638 | if ((zhp = zfs_alloc(hdl, sizeof (zpool_handle_t))) == NULL) | |
639 | return (NULL); | |
640 | ||
641 | zhp->zpool_hdl = hdl; | |
642 | (void) strlcpy(zhp->zpool_name, pool, sizeof (zhp->zpool_name)); | |
643 | ||
644 | if (zpool_refresh_stats(zhp, &missing) != 0) { | |
645 | zpool_close(zhp); | |
646 | return (NULL); | |
647 | } | |
648 | ||
649 | if (missing) { | |
650 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "no such pool")); | |
651 | (void) zfs_error_fmt(hdl, EZFS_NOENT, | |
652 | dgettext(TEXT_DOMAIN, "cannot open '%s'"), pool); | |
653 | zpool_close(zhp); | |
654 | return (NULL); | |
655 | } | |
656 | ||
657 | return (zhp); | |
658 | } | |
659 | ||
660 | /* | |
661 | * Like the above, but silent on error. Used when iterating over pools (because | |
662 | * the configuration cache may be out of date). | |
663 | */ | |
664 | int | |
665 | zpool_open_silent(libzfs_handle_t *hdl, const char *pool, zpool_handle_t **ret) | |
666 | { | |
667 | zpool_handle_t *zhp; | |
668 | boolean_t missing; | |
669 | ||
670 | if ((zhp = zfs_alloc(hdl, sizeof (zpool_handle_t))) == NULL) | |
671 | return (-1); | |
672 | ||
673 | zhp->zpool_hdl = hdl; | |
674 | (void) strlcpy(zhp->zpool_name, pool, sizeof (zhp->zpool_name)); | |
675 | ||
676 | if (zpool_refresh_stats(zhp, &missing) != 0) { | |
677 | zpool_close(zhp); | |
678 | return (-1); | |
679 | } | |
680 | ||
681 | if (missing) { | |
682 | zpool_close(zhp); | |
683 | *ret = NULL; | |
684 | return (0); | |
685 | } | |
686 | ||
687 | *ret = zhp; | |
688 | return (0); | |
689 | } | |
690 | ||
691 | /* | |
692 | * Similar to zpool_open_canfail(), but refuses to open pools in the faulted | |
693 | * state. | |
694 | */ | |
695 | zpool_handle_t * | |
696 | zpool_open(libzfs_handle_t *hdl, const char *pool) | |
697 | { | |
698 | zpool_handle_t *zhp; | |
699 | ||
700 | if ((zhp = zpool_open_canfail(hdl, pool)) == NULL) | |
701 | return (NULL); | |
702 | ||
703 | if (zhp->zpool_state == POOL_STATE_UNAVAIL) { | |
704 | (void) zfs_error_fmt(hdl, EZFS_POOLUNAVAIL, | |
705 | dgettext(TEXT_DOMAIN, "cannot open '%s'"), zhp->zpool_name); | |
706 | zpool_close(zhp); | |
707 | return (NULL); | |
708 | } | |
709 | ||
710 | return (zhp); | |
711 | } | |
712 | ||
713 | /* | |
714 | * Close the handle. Simply frees the memory associated with the handle. | |
715 | */ | |
716 | void | |
717 | zpool_close(zpool_handle_t *zhp) | |
718 | { | |
719 | if (zhp->zpool_config) | |
720 | nvlist_free(zhp->zpool_config); | |
721 | if (zhp->zpool_old_config) | |
722 | nvlist_free(zhp->zpool_old_config); | |
723 | if (zhp->zpool_props) | |
724 | nvlist_free(zhp->zpool_props); | |
725 | free(zhp); | |
726 | } | |
727 | ||
728 | /* | |
729 | * Return the name of the pool. | |
730 | */ | |
731 | const char * | |
732 | zpool_get_name(zpool_handle_t *zhp) | |
733 | { | |
734 | return (zhp->zpool_name); | |
735 | } | |
736 | ||
737 | ||
738 | /* | |
739 | * Return the state of the pool (ACTIVE or UNAVAILABLE) | |
740 | */ | |
741 | int | |
742 | zpool_get_state(zpool_handle_t *zhp) | |
743 | { | |
744 | return (zhp->zpool_state); | |
745 | } | |
746 | ||
747 | /* | |
748 | * Create the named pool, using the provided vdev list. It is assumed | |
749 | * that the consumer has already validated the contents of the nvlist, so we | |
750 | * don't have to worry about error semantics. | |
751 | */ | |
752 | int | |
753 | zpool_create(libzfs_handle_t *hdl, const char *pool, nvlist_t *nvroot, | |
754 | nvlist_t *props) | |
755 | { | |
756 | zfs_cmd_t zc = { 0 }; | |
757 | char msg[1024]; | |
758 | char *altroot; | |
759 | ||
760 | (void) snprintf(msg, sizeof (msg), dgettext(TEXT_DOMAIN, | |
761 | "cannot create '%s'"), pool); | |
762 | ||
763 | if (!zpool_name_valid(hdl, B_FALSE, pool)) | |
764 | return (zfs_error(hdl, EZFS_INVALIDNAME, msg)); | |
765 | ||
766 | if (zcmd_write_conf_nvlist(hdl, &zc, nvroot) != 0) | |
767 | return (-1); | |
768 | ||
769 | if (props && (props = zpool_validate_properties(hdl, pool, props, | |
770 | SPA_VERSION_1, B_TRUE, msg)) == NULL) | |
771 | return (-1); | |
772 | ||
773 | if (props && zcmd_write_src_nvlist(hdl, &zc, props) != 0) { | |
774 | nvlist_free(props); | |
775 | return (-1); | |
776 | } | |
777 | ||
778 | (void) strlcpy(zc.zc_name, pool, sizeof (zc.zc_name)); | |
779 | ||
780 | if (zfs_ioctl(hdl, ZFS_IOC_POOL_CREATE, &zc) != 0) { | |
781 | ||
782 | zcmd_free_nvlists(&zc); | |
783 | nvlist_free(props); | |
784 | ||
785 | switch (errno) { | |
786 | case EBUSY: | |
787 | /* | |
788 | * This can happen if the user has specified the same | |
789 | * device multiple times. We can't reliably detect this | |
790 | * until we try to add it and see we already have a | |
791 | * label. | |
792 | */ | |
793 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
794 | "one or more vdevs refer to the same device")); | |
795 | return (zfs_error(hdl, EZFS_BADDEV, msg)); | |
796 | ||
797 | case EOVERFLOW: | |
798 | /* | |
799 | * This occurs when one of the devices is below | |
800 | * SPA_MINDEVSIZE. Unfortunately, we can't detect which | |
801 | * device was the problem device since there's no | |
802 | * reliable way to determine device size from userland. | |
803 | */ | |
804 | { | |
805 | char buf[64]; | |
806 | ||
807 | zfs_nicenum(SPA_MINDEVSIZE, buf, sizeof (buf)); | |
808 | ||
809 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
810 | "one or more devices is less than the " | |
811 | "minimum size (%s)"), buf); | |
812 | } | |
813 | return (zfs_error(hdl, EZFS_BADDEV, msg)); | |
814 | ||
815 | case ENOSPC: | |
816 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
817 | "one or more devices is out of space")); | |
818 | return (zfs_error(hdl, EZFS_BADDEV, msg)); | |
819 | ||
820 | case ENOTBLK: | |
821 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
822 | "cache device must be a disk or disk slice")); | |
823 | return (zfs_error(hdl, EZFS_BADDEV, msg)); | |
824 | ||
825 | default: | |
826 | return (zpool_standard_error(hdl, errno, msg)); | |
827 | } | |
828 | } | |
829 | ||
830 | /* | |
831 | * If this is an alternate root pool, then we automatically set the | |
832 | * mountpoint of the root dataset to be '/'. | |
833 | */ | |
834 | if (nvlist_lookup_string(props, zpool_prop_to_name(ZPOOL_PROP_ALTROOT), | |
835 | &altroot) == 0) { | |
836 | zfs_handle_t *zhp; | |
837 | ||
838 | verify((zhp = zfs_open(hdl, pool, ZFS_TYPE_DATASET)) != NULL); | |
839 | verify(zfs_prop_set(zhp, zfs_prop_to_name(ZFS_PROP_MOUNTPOINT), | |
840 | "/") == 0); | |
841 | ||
842 | zfs_close(zhp); | |
843 | } | |
844 | ||
845 | zcmd_free_nvlists(&zc); | |
846 | nvlist_free(props); | |
847 | return (0); | |
848 | } | |
849 | ||
850 | /* | |
851 | * Destroy the given pool. It is up to the caller to ensure that there are no | |
852 | * datasets left in the pool. | |
853 | */ | |
854 | int | |
855 | zpool_destroy(zpool_handle_t *zhp) | |
856 | { | |
857 | zfs_cmd_t zc = { 0 }; | |
858 | zfs_handle_t *zfp = NULL; | |
859 | libzfs_handle_t *hdl = zhp->zpool_hdl; | |
860 | char msg[1024]; | |
861 | ||
862 | if (zhp->zpool_state == POOL_STATE_ACTIVE && | |
863 | (zfp = zfs_open(zhp->zpool_hdl, zhp->zpool_name, | |
864 | ZFS_TYPE_FILESYSTEM)) == NULL) | |
865 | return (-1); | |
866 | ||
867 | if (zpool_remove_zvol_links(zhp) != 0) | |
868 | return (-1); | |
869 | ||
870 | (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); | |
871 | ||
872 | if (zfs_ioctl(zhp->zpool_hdl, ZFS_IOC_POOL_DESTROY, &zc) != 0) { | |
873 | (void) snprintf(msg, sizeof (msg), dgettext(TEXT_DOMAIN, | |
874 | "cannot destroy '%s'"), zhp->zpool_name); | |
875 | ||
876 | if (errno == EROFS) { | |
877 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
878 | "one or more devices is read only")); | |
879 | (void) zfs_error(hdl, EZFS_BADDEV, msg); | |
880 | } else { | |
881 | (void) zpool_standard_error(hdl, errno, msg); | |
882 | } | |
883 | ||
884 | if (zfp) | |
885 | zfs_close(zfp); | |
886 | return (-1); | |
887 | } | |
888 | ||
889 | if (zfp) { | |
890 | remove_mountpoint(zfp); | |
891 | zfs_close(zfp); | |
892 | } | |
893 | ||
894 | return (0); | |
895 | } | |
896 | ||
897 | /* | |
898 | * Add the given vdevs to the pool. The caller must have already performed the | |
899 | * necessary verification to ensure that the vdev specification is well-formed. | |
900 | */ | |
901 | int | |
902 | zpool_add(zpool_handle_t *zhp, nvlist_t *nvroot) | |
903 | { | |
904 | zfs_cmd_t zc = { 0 }; | |
905 | int ret; | |
906 | libzfs_handle_t *hdl = zhp->zpool_hdl; | |
907 | char msg[1024]; | |
908 | nvlist_t **spares, **l2cache; | |
909 | uint_t nspares, nl2cache; | |
910 | ||
911 | (void) snprintf(msg, sizeof (msg), dgettext(TEXT_DOMAIN, | |
912 | "cannot add to '%s'"), zhp->zpool_name); | |
913 | ||
914 | if (zpool_get_prop_int(zhp, ZPOOL_PROP_VERSION, NULL) < | |
915 | SPA_VERSION_SPARES && | |
916 | nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_SPARES, | |
917 | &spares, &nspares) == 0) { | |
918 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "pool must be " | |
919 | "upgraded to add hot spares")); | |
920 | return (zfs_error(hdl, EZFS_BADVERSION, msg)); | |
921 | } | |
922 | ||
923 | if (zpool_get_prop_int(zhp, ZPOOL_PROP_VERSION, NULL) < | |
924 | SPA_VERSION_L2CACHE && | |
925 | nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_L2CACHE, | |
926 | &l2cache, &nl2cache) == 0) { | |
927 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "pool must be " | |
928 | "upgraded to add cache devices")); | |
929 | return (zfs_error(hdl, EZFS_BADVERSION, msg)); | |
930 | } | |
931 | ||
932 | if (zcmd_write_conf_nvlist(hdl, &zc, nvroot) != 0) | |
933 | return (-1); | |
934 | (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); | |
935 | ||
936 | if (zfs_ioctl(zhp->zpool_hdl, ZFS_IOC_VDEV_ADD, &zc) != 0) { | |
937 | switch (errno) { | |
938 | case EBUSY: | |
939 | /* | |
940 | * This can happen if the user has specified the same | |
941 | * device multiple times. We can't reliably detect this | |
942 | * until we try to add it and see we already have a | |
943 | * label. | |
944 | */ | |
945 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
946 | "one or more vdevs refer to the same device")); | |
947 | (void) zfs_error(hdl, EZFS_BADDEV, msg); | |
948 | break; | |
949 | ||
950 | case EOVERFLOW: | |
951 | /* | |
952 | * This occurrs when one of the devices is below | |
953 | * SPA_MINDEVSIZE. Unfortunately, we can't detect which | |
954 | * device was the problem device since there's no | |
955 | * reliable way to determine device size from userland. | |
956 | */ | |
957 | { | |
958 | char buf[64]; | |
959 | ||
960 | zfs_nicenum(SPA_MINDEVSIZE, buf, sizeof (buf)); | |
961 | ||
962 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
963 | "device is less than the minimum " | |
964 | "size (%s)"), buf); | |
965 | } | |
966 | (void) zfs_error(hdl, EZFS_BADDEV, msg); | |
967 | break; | |
968 | ||
969 | case ENOTSUP: | |
970 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
971 | "pool must be upgraded to add these vdevs")); | |
972 | (void) zfs_error(hdl, EZFS_BADVERSION, msg); | |
973 | break; | |
974 | ||
975 | case EDOM: | |
976 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
977 | "root pool can not have multiple vdevs" | |
978 | " or separate logs")); | |
979 | (void) zfs_error(hdl, EZFS_POOL_NOTSUP, msg); | |
980 | break; | |
981 | ||
982 | case ENOTBLK: | |
983 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
984 | "cache device must be a disk or disk slice")); | |
985 | (void) zfs_error(hdl, EZFS_BADDEV, msg); | |
986 | break; | |
987 | ||
988 | default: | |
989 | (void) zpool_standard_error(hdl, errno, msg); | |
990 | } | |
991 | ||
992 | ret = -1; | |
993 | } else { | |
994 | ret = 0; | |
995 | } | |
996 | ||
997 | zcmd_free_nvlists(&zc); | |
998 | ||
999 | return (ret); | |
1000 | } | |
1001 | ||
1002 | /* | |
1003 | * Exports the pool from the system. The caller must ensure that there are no | |
1004 | * mounted datasets in the pool. | |
1005 | */ | |
1006 | int | |
1007 | zpool_export(zpool_handle_t *zhp) | |
1008 | { | |
1009 | zfs_cmd_t zc = { 0 }; | |
1010 | ||
1011 | if (zpool_remove_zvol_links(zhp) != 0) | |
1012 | return (-1); | |
1013 | ||
1014 | (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); | |
1015 | ||
1016 | if (zfs_ioctl(zhp->zpool_hdl, ZFS_IOC_POOL_EXPORT, &zc) != 0) | |
1017 | return (zpool_standard_error_fmt(zhp->zpool_hdl, errno, | |
1018 | dgettext(TEXT_DOMAIN, "cannot export '%s'"), | |
1019 | zhp->zpool_name)); | |
1020 | return (0); | |
1021 | } | |
1022 | ||
1023 | /* | |
1024 | * zpool_import() is a contracted interface. Should be kept the same | |
1025 | * if possible. | |
1026 | * | |
1027 | * Applications should use zpool_import_props() to import a pool with | |
1028 | * new properties value to be set. | |
1029 | */ | |
1030 | int | |
1031 | zpool_import(libzfs_handle_t *hdl, nvlist_t *config, const char *newname, | |
1032 | char *altroot) | |
1033 | { | |
1034 | nvlist_t *props = NULL; | |
1035 | int ret; | |
1036 | ||
1037 | if (altroot != NULL) { | |
1038 | if (nvlist_alloc(&props, NV_UNIQUE_NAME, 0) != 0) { | |
1039 | return (zfs_error_fmt(hdl, EZFS_NOMEM, | |
1040 | dgettext(TEXT_DOMAIN, "cannot import '%s'"), | |
1041 | newname)); | |
1042 | } | |
1043 | ||
1044 | if (nvlist_add_string(props, | |
1045 | zpool_prop_to_name(ZPOOL_PROP_ALTROOT), altroot) != 0) { | |
1046 | nvlist_free(props); | |
1047 | return (zfs_error_fmt(hdl, EZFS_NOMEM, | |
1048 | dgettext(TEXT_DOMAIN, "cannot import '%s'"), | |
1049 | newname)); | |
1050 | } | |
1051 | } | |
1052 | ||
1053 | ret = zpool_import_props(hdl, config, newname, props); | |
1054 | if (props) | |
1055 | nvlist_free(props); | |
1056 | return (ret); | |
1057 | } | |
1058 | ||
1059 | /* | |
1060 | * Import the given pool using the known configuration and a list of | |
1061 | * properties to be set. The configuration should have come from | |
1062 | * zpool_find_import(). The 'newname' parameters control whether the pool | |
1063 | * is imported with a different name. | |
1064 | */ | |
1065 | int | |
1066 | zpool_import_props(libzfs_handle_t *hdl, nvlist_t *config, const char *newname, | |
1067 | nvlist_t *props) | |
1068 | { | |
1069 | zfs_cmd_t zc = { 0 }; | |
1070 | char *thename; | |
1071 | char *origname; | |
1072 | int ret; | |
1073 | char errbuf[1024]; | |
1074 | ||
1075 | verify(nvlist_lookup_string(config, ZPOOL_CONFIG_POOL_NAME, | |
1076 | &origname) == 0); | |
1077 | ||
1078 | (void) snprintf(errbuf, sizeof (errbuf), dgettext(TEXT_DOMAIN, | |
1079 | "cannot import pool '%s'"), origname); | |
1080 | ||
1081 | if (newname != NULL) { | |
1082 | if (!zpool_name_valid(hdl, B_FALSE, newname)) | |
1083 | return (zfs_error_fmt(hdl, EZFS_INVALIDNAME, | |
1084 | dgettext(TEXT_DOMAIN, "cannot import '%s'"), | |
1085 | newname)); | |
1086 | thename = (char *)newname; | |
1087 | } else { | |
1088 | thename = origname; | |
1089 | } | |
1090 | ||
1091 | if (props) { | |
1092 | uint64_t version; | |
1093 | ||
1094 | verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_VERSION, | |
1095 | &version) == 0); | |
1096 | ||
1097 | if ((props = zpool_validate_properties(hdl, origname, | |
1098 | props, version, B_TRUE, errbuf)) == NULL) { | |
1099 | return (-1); | |
1100 | } else if (zcmd_write_src_nvlist(hdl, &zc, props) != 0) { | |
1101 | nvlist_free(props); | |
1102 | return (-1); | |
1103 | } | |
1104 | } | |
1105 | ||
1106 | (void) strlcpy(zc.zc_name, thename, sizeof (zc.zc_name)); | |
1107 | ||
1108 | verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_GUID, | |
1109 | &zc.zc_guid) == 0); | |
1110 | ||
1111 | if (zcmd_write_conf_nvlist(hdl, &zc, config) != 0) { | |
1112 | nvlist_free(props); | |
1113 | return (-1); | |
1114 | } | |
1115 | ||
1116 | ret = 0; | |
1117 | if (zfs_ioctl(hdl, ZFS_IOC_POOL_IMPORT, &zc) != 0) { | |
1118 | char desc[1024]; | |
1119 | if (newname == NULL) | |
1120 | (void) snprintf(desc, sizeof (desc), | |
1121 | dgettext(TEXT_DOMAIN, "cannot import '%s'"), | |
1122 | thename); | |
1123 | else | |
1124 | (void) snprintf(desc, sizeof (desc), | |
1125 | dgettext(TEXT_DOMAIN, "cannot import '%s' as '%s'"), | |
1126 | origname, thename); | |
1127 | ||
1128 | switch (errno) { | |
1129 | case ENOTSUP: | |
1130 | /* | |
1131 | * Unsupported version. | |
1132 | */ | |
1133 | (void) zfs_error(hdl, EZFS_BADVERSION, desc); | |
1134 | break; | |
1135 | ||
1136 | case EINVAL: | |
1137 | (void) zfs_error(hdl, EZFS_INVALCONFIG, desc); | |
1138 | break; | |
1139 | ||
1140 | default: | |
1141 | (void) zpool_standard_error(hdl, errno, desc); | |
1142 | } | |
1143 | ||
1144 | ret = -1; | |
1145 | } else { | |
1146 | zpool_handle_t *zhp; | |
1147 | ||
1148 | /* | |
1149 | * This should never fail, but play it safe anyway. | |
1150 | */ | |
1151 | if (zpool_open_silent(hdl, thename, &zhp) != 0) { | |
1152 | ret = -1; | |
1153 | } else if (zhp != NULL) { | |
1154 | ret = zpool_create_zvol_links(zhp); | |
1155 | zpool_close(zhp); | |
1156 | } | |
1157 | ||
1158 | } | |
1159 | ||
1160 | zcmd_free_nvlists(&zc); | |
1161 | nvlist_free(props); | |
1162 | ||
1163 | return (ret); | |
1164 | } | |
1165 | ||
1166 | /* | |
1167 | * Scrub the pool. | |
1168 | */ | |
1169 | int | |
1170 | zpool_scrub(zpool_handle_t *zhp, pool_scrub_type_t type) | |
1171 | { | |
1172 | zfs_cmd_t zc = { 0 }; | |
1173 | char msg[1024]; | |
1174 | libzfs_handle_t *hdl = zhp->zpool_hdl; | |
1175 | ||
1176 | (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); | |
1177 | zc.zc_cookie = type; | |
1178 | ||
1179 | if (zfs_ioctl(zhp->zpool_hdl, ZFS_IOC_POOL_SCRUB, &zc) == 0) | |
1180 | return (0); | |
1181 | ||
1182 | (void) snprintf(msg, sizeof (msg), | |
1183 | dgettext(TEXT_DOMAIN, "cannot scrub %s"), zc.zc_name); | |
1184 | ||
1185 | if (errno == EBUSY) | |
1186 | return (zfs_error(hdl, EZFS_RESILVERING, msg)); | |
1187 | else | |
1188 | return (zpool_standard_error(hdl, errno, msg)); | |
1189 | } | |
1190 | ||
1191 | /* | |
1192 | * 'avail_spare' is set to TRUE if the provided guid refers to an AVAIL | |
1193 | * spare; but FALSE if its an INUSE spare. | |
1194 | */ | |
1195 | static nvlist_t * | |
1196 | vdev_to_nvlist_iter(nvlist_t *nv, const char *search, uint64_t guid, | |
1197 | boolean_t *avail_spare, boolean_t *l2cache) | |
1198 | { | |
1199 | uint_t c, children; | |
1200 | nvlist_t **child; | |
1201 | uint64_t theguid, present; | |
1202 | char *path; | |
1203 | uint64_t wholedisk = 0; | |
1204 | nvlist_t *ret; | |
1205 | ||
1206 | verify(nvlist_lookup_uint64(nv, ZPOOL_CONFIG_GUID, &theguid) == 0); | |
1207 | ||
1208 | if (search == NULL && | |
1209 | nvlist_lookup_uint64(nv, ZPOOL_CONFIG_NOT_PRESENT, &present) == 0) { | |
1210 | /* | |
1211 | * If the device has never been present since import, the only | |
1212 | * reliable way to match the vdev is by GUID. | |
1213 | */ | |
1214 | if (theguid == guid) | |
1215 | return (nv); | |
1216 | } else if (search != NULL && | |
1217 | nvlist_lookup_string(nv, ZPOOL_CONFIG_PATH, &path) == 0) { | |
1218 | (void) nvlist_lookup_uint64(nv, ZPOOL_CONFIG_WHOLE_DISK, | |
1219 | &wholedisk); | |
1220 | if (wholedisk) { | |
1221 | /* | |
1222 | * For whole disks, the internal path has 's0', but the | |
1223 | * path passed in by the user doesn't. | |
1224 | */ | |
1225 | if (strlen(search) == strlen(path) - 2 && | |
1226 | strncmp(search, path, strlen(search)) == 0) | |
1227 | return (nv); | |
1228 | } else if (strcmp(search, path) == 0) { | |
1229 | return (nv); | |
1230 | } | |
1231 | } | |
1232 | ||
1233 | if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, | |
1234 | &child, &children) != 0) | |
1235 | return (NULL); | |
1236 | ||
1237 | for (c = 0; c < children; c++) | |
1238 | if ((ret = vdev_to_nvlist_iter(child[c], search, guid, | |
1239 | avail_spare, l2cache)) != NULL) | |
1240 | return (ret); | |
1241 | ||
1242 | if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_SPARES, | |
1243 | &child, &children) == 0) { | |
1244 | for (c = 0; c < children; c++) { | |
1245 | if ((ret = vdev_to_nvlist_iter(child[c], search, guid, | |
1246 | avail_spare, l2cache)) != NULL) { | |
1247 | *avail_spare = B_TRUE; | |
1248 | return (ret); | |
1249 | } | |
1250 | } | |
1251 | } | |
1252 | ||
1253 | if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_L2CACHE, | |
1254 | &child, &children) == 0) { | |
1255 | for (c = 0; c < children; c++) { | |
1256 | if ((ret = vdev_to_nvlist_iter(child[c], search, guid, | |
1257 | avail_spare, l2cache)) != NULL) { | |
1258 | *l2cache = B_TRUE; | |
1259 | return (ret); | |
1260 | } | |
1261 | } | |
1262 | } | |
1263 | ||
1264 | return (NULL); | |
1265 | } | |
1266 | ||
1267 | nvlist_t * | |
1268 | zpool_find_vdev(zpool_handle_t *zhp, const char *path, boolean_t *avail_spare, | |
1269 | boolean_t *l2cache) | |
1270 | { | |
1271 | char buf[MAXPATHLEN]; | |
1272 | const char *search; | |
1273 | char *end; | |
1274 | nvlist_t *nvroot; | |
1275 | uint64_t guid; | |
1276 | ||
1277 | guid = strtoull(path, &end, 10); | |
1278 | if (guid != 0 && *end == '\0') { | |
1279 | search = NULL; | |
1280 | } else if (path[0] != '/') { | |
1281 | (void) snprintf(buf, sizeof (buf), "%s%s", "/dev/dsk/", path); | |
1282 | search = buf; | |
1283 | } else { | |
1284 | search = path; | |
1285 | } | |
1286 | ||
1287 | verify(nvlist_lookup_nvlist(zhp->zpool_config, ZPOOL_CONFIG_VDEV_TREE, | |
1288 | &nvroot) == 0); | |
1289 | ||
1290 | *avail_spare = B_FALSE; | |
1291 | *l2cache = B_FALSE; | |
1292 | return (vdev_to_nvlist_iter(nvroot, search, guid, avail_spare, | |
1293 | l2cache)); | |
1294 | } | |
1295 | ||
1296 | /* | |
1297 | * Returns TRUE if the given guid corresponds to the given type. | |
1298 | * This is used to check for hot spares (INUSE or not), and level 2 cache | |
1299 | * devices. | |
1300 | */ | |
1301 | static boolean_t | |
1302 | is_guid_type(zpool_handle_t *zhp, uint64_t guid, const char *type) | |
1303 | { | |
1304 | uint64_t target_guid; | |
1305 | nvlist_t *nvroot; | |
1306 | nvlist_t **list; | |
1307 | uint_t count; | |
1308 | int i; | |
1309 | ||
1310 | verify(nvlist_lookup_nvlist(zhp->zpool_config, ZPOOL_CONFIG_VDEV_TREE, | |
1311 | &nvroot) == 0); | |
1312 | if (nvlist_lookup_nvlist_array(nvroot, type, &list, &count) == 0) { | |
1313 | for (i = 0; i < count; i++) { | |
1314 | verify(nvlist_lookup_uint64(list[i], ZPOOL_CONFIG_GUID, | |
1315 | &target_guid) == 0); | |
1316 | if (guid == target_guid) | |
1317 | return (B_TRUE); | |
1318 | } | |
1319 | } | |
1320 | ||
1321 | return (B_FALSE); | |
1322 | } | |
1323 | ||
1324 | /* | |
1325 | * Bring the specified vdev online. The 'flags' parameter is a set of the | |
1326 | * ZFS_ONLINE_* flags. | |
1327 | */ | |
1328 | int | |
1329 | zpool_vdev_online(zpool_handle_t *zhp, const char *path, int flags, | |
1330 | vdev_state_t *newstate) | |
1331 | { | |
1332 | zfs_cmd_t zc = { 0 }; | |
1333 | char msg[1024]; | |
1334 | nvlist_t *tgt; | |
1335 | boolean_t avail_spare, l2cache; | |
1336 | libzfs_handle_t *hdl = zhp->zpool_hdl; | |
1337 | ||
1338 | (void) snprintf(msg, sizeof (msg), | |
1339 | dgettext(TEXT_DOMAIN, "cannot online %s"), path); | |
1340 | ||
1341 | (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); | |
1342 | if ((tgt = zpool_find_vdev(zhp, path, &avail_spare, &l2cache)) == NULL) | |
1343 | return (zfs_error(hdl, EZFS_NODEVICE, msg)); | |
1344 | ||
1345 | verify(nvlist_lookup_uint64(tgt, ZPOOL_CONFIG_GUID, &zc.zc_guid) == 0); | |
1346 | ||
1347 | if (avail_spare || | |
1348 | is_guid_type(zhp, zc.zc_guid, ZPOOL_CONFIG_SPARES) == B_TRUE) | |
1349 | return (zfs_error(hdl, EZFS_ISSPARE, msg)); | |
1350 | ||
1351 | if (l2cache || | |
1352 | is_guid_type(zhp, zc.zc_guid, ZPOOL_CONFIG_L2CACHE) == B_TRUE) | |
1353 | return (zfs_error(hdl, EZFS_ISL2CACHE, msg)); | |
1354 | ||
1355 | zc.zc_cookie = VDEV_STATE_ONLINE; | |
1356 | zc.zc_obj = flags; | |
1357 | ||
1358 | ||
1359 | if (zfs_ioctl(zhp->zpool_hdl, ZFS_IOC_VDEV_SET_STATE, &zc) != 0) | |
1360 | return (zpool_standard_error(hdl, errno, msg)); | |
1361 | ||
1362 | *newstate = zc.zc_cookie; | |
1363 | return (0); | |
1364 | } | |
1365 | ||
1366 | /* | |
1367 | * Take the specified vdev offline | |
1368 | */ | |
1369 | int | |
1370 | zpool_vdev_offline(zpool_handle_t *zhp, const char *path, boolean_t istmp) | |
1371 | { | |
1372 | zfs_cmd_t zc = { 0 }; | |
1373 | char msg[1024]; | |
1374 | nvlist_t *tgt; | |
1375 | boolean_t avail_spare, l2cache; | |
1376 | libzfs_handle_t *hdl = zhp->zpool_hdl; | |
1377 | ||
1378 | (void) snprintf(msg, sizeof (msg), | |
1379 | dgettext(TEXT_DOMAIN, "cannot offline %s"), path); | |
1380 | ||
1381 | (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); | |
1382 | if ((tgt = zpool_find_vdev(zhp, path, &avail_spare, &l2cache)) == NULL) | |
1383 | return (zfs_error(hdl, EZFS_NODEVICE, msg)); | |
1384 | ||
1385 | verify(nvlist_lookup_uint64(tgt, ZPOOL_CONFIG_GUID, &zc.zc_guid) == 0); | |
1386 | ||
1387 | if (avail_spare || | |
1388 | is_guid_type(zhp, zc.zc_guid, ZPOOL_CONFIG_SPARES) == B_TRUE) | |
1389 | return (zfs_error(hdl, EZFS_ISSPARE, msg)); | |
1390 | ||
1391 | if (l2cache || | |
1392 | is_guid_type(zhp, zc.zc_guid, ZPOOL_CONFIG_L2CACHE) == B_TRUE) | |
1393 | return (zfs_error(hdl, EZFS_ISL2CACHE, msg)); | |
1394 | ||
1395 | zc.zc_cookie = VDEV_STATE_OFFLINE; | |
1396 | zc.zc_obj = istmp ? ZFS_OFFLINE_TEMPORARY : 0; | |
1397 | ||
1398 | if (zfs_ioctl(zhp->zpool_hdl, ZFS_IOC_VDEV_SET_STATE, &zc) == 0) | |
1399 | return (0); | |
1400 | ||
1401 | switch (errno) { | |
1402 | case EBUSY: | |
1403 | ||
1404 | /* | |
1405 | * There are no other replicas of this device. | |
1406 | */ | |
1407 | return (zfs_error(hdl, EZFS_NOREPLICAS, msg)); | |
1408 | ||
1409 | default: | |
1410 | return (zpool_standard_error(hdl, errno, msg)); | |
1411 | } | |
1412 | } | |
1413 | ||
1414 | /* | |
1415 | * Mark the given vdev faulted. | |
1416 | */ | |
1417 | int | |
1418 | zpool_vdev_fault(zpool_handle_t *zhp, uint64_t guid) | |
1419 | { | |
1420 | zfs_cmd_t zc = { 0 }; | |
1421 | char msg[1024]; | |
1422 | libzfs_handle_t *hdl = zhp->zpool_hdl; | |
1423 | ||
1424 | (void) snprintf(msg, sizeof (msg), | |
1425 | dgettext(TEXT_DOMAIN, "cannot fault %llu"), guid); | |
1426 | ||
1427 | (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); | |
1428 | zc.zc_guid = guid; | |
1429 | zc.zc_cookie = VDEV_STATE_FAULTED; | |
1430 | ||
1431 | if (ioctl(zhp->zpool_hdl->libzfs_fd, ZFS_IOC_VDEV_SET_STATE, &zc) == 0) | |
1432 | return (0); | |
1433 | ||
1434 | switch (errno) { | |
1435 | case EBUSY: | |
1436 | ||
1437 | /* | |
1438 | * There are no other replicas of this device. | |
1439 | */ | |
1440 | return (zfs_error(hdl, EZFS_NOREPLICAS, msg)); | |
1441 | ||
1442 | default: | |
1443 | return (zpool_standard_error(hdl, errno, msg)); | |
1444 | } | |
1445 | ||
1446 | } | |
1447 | ||
1448 | /* | |
1449 | * Mark the given vdev degraded. | |
1450 | */ | |
1451 | int | |
1452 | zpool_vdev_degrade(zpool_handle_t *zhp, uint64_t guid) | |
1453 | { | |
1454 | zfs_cmd_t zc = { 0 }; | |
1455 | char msg[1024]; | |
1456 | libzfs_handle_t *hdl = zhp->zpool_hdl; | |
1457 | ||
1458 | (void) snprintf(msg, sizeof (msg), | |
1459 | dgettext(TEXT_DOMAIN, "cannot degrade %llu"), guid); | |
1460 | ||
1461 | (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); | |
1462 | zc.zc_guid = guid; | |
1463 | zc.zc_cookie = VDEV_STATE_DEGRADED; | |
1464 | ||
1465 | if (ioctl(zhp->zpool_hdl->libzfs_fd, ZFS_IOC_VDEV_SET_STATE, &zc) == 0) | |
1466 | return (0); | |
1467 | ||
1468 | return (zpool_standard_error(hdl, errno, msg)); | |
1469 | } | |
1470 | ||
1471 | /* | |
1472 | * Returns TRUE if the given nvlist is a vdev that was originally swapped in as | |
1473 | * a hot spare. | |
1474 | */ | |
1475 | static boolean_t | |
1476 | is_replacing_spare(nvlist_t *search, nvlist_t *tgt, int which) | |
1477 | { | |
1478 | nvlist_t **child; | |
1479 | uint_t c, children; | |
1480 | char *type; | |
1481 | ||
1482 | if (nvlist_lookup_nvlist_array(search, ZPOOL_CONFIG_CHILDREN, &child, | |
1483 | &children) == 0) { | |
1484 | verify(nvlist_lookup_string(search, ZPOOL_CONFIG_TYPE, | |
1485 | &type) == 0); | |
1486 | ||
1487 | if (strcmp(type, VDEV_TYPE_SPARE) == 0 && | |
1488 | children == 2 && child[which] == tgt) | |
1489 | return (B_TRUE); | |
1490 | ||
1491 | for (c = 0; c < children; c++) | |
1492 | if (is_replacing_spare(child[c], tgt, which)) | |
1493 | return (B_TRUE); | |
1494 | } | |
1495 | ||
1496 | return (B_FALSE); | |
1497 | } | |
1498 | ||
1499 | /* | |
1500 | * Attach new_disk (fully described by nvroot) to old_disk. | |
1501 | * If 'replacing' is specified, the new disk will replace the old one. | |
1502 | */ | |
1503 | int | |
1504 | zpool_vdev_attach(zpool_handle_t *zhp, | |
1505 | const char *old_disk, const char *new_disk, nvlist_t *nvroot, int replacing) | |
1506 | { | |
1507 | zfs_cmd_t zc = { 0 }; | |
1508 | char msg[1024]; | |
1509 | int ret; | |
1510 | nvlist_t *tgt; | |
1511 | boolean_t avail_spare, l2cache; | |
1512 | uint64_t val, is_log; | |
1513 | char *path; | |
1514 | nvlist_t **child; | |
1515 | uint_t children; | |
1516 | nvlist_t *config_root; | |
1517 | libzfs_handle_t *hdl = zhp->zpool_hdl; | |
1518 | ||
1519 | if (replacing) | |
1520 | (void) snprintf(msg, sizeof (msg), dgettext(TEXT_DOMAIN, | |
1521 | "cannot replace %s with %s"), old_disk, new_disk); | |
1522 | else | |
1523 | (void) snprintf(msg, sizeof (msg), dgettext(TEXT_DOMAIN, | |
1524 | "cannot attach %s to %s"), new_disk, old_disk); | |
1525 | ||
1526 | (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); | |
1527 | if ((tgt = zpool_find_vdev(zhp, old_disk, &avail_spare, &l2cache)) == 0) | |
1528 | return (zfs_error(hdl, EZFS_NODEVICE, msg)); | |
1529 | ||
1530 | if (avail_spare) | |
1531 | return (zfs_error(hdl, EZFS_ISSPARE, msg)); | |
1532 | ||
1533 | if (l2cache) | |
1534 | return (zfs_error(hdl, EZFS_ISL2CACHE, msg)); | |
1535 | ||
1536 | verify(nvlist_lookup_uint64(tgt, ZPOOL_CONFIG_GUID, &zc.zc_guid) == 0); | |
1537 | zc.zc_cookie = replacing; | |
1538 | ||
1539 | if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_CHILDREN, | |
1540 | &child, &children) != 0 || children != 1) { | |
1541 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1542 | "new device must be a single disk")); | |
1543 | return (zfs_error(hdl, EZFS_INVALCONFIG, msg)); | |
1544 | } | |
1545 | ||
1546 | verify(nvlist_lookup_nvlist(zpool_get_config(zhp, NULL), | |
1547 | ZPOOL_CONFIG_VDEV_TREE, &config_root) == 0); | |
1548 | ||
1549 | /* | |
1550 | * If the target is a hot spare that has been swapped in, we can only | |
1551 | * replace it with another hot spare. | |
1552 | */ | |
1553 | if (replacing && | |
1554 | nvlist_lookup_uint64(tgt, ZPOOL_CONFIG_IS_SPARE, &val) == 0 && | |
1555 | nvlist_lookup_string(child[0], ZPOOL_CONFIG_PATH, &path) == 0 && | |
1556 | (zpool_find_vdev(zhp, path, &avail_spare, &l2cache) == NULL || | |
1557 | !avail_spare) && is_replacing_spare(config_root, tgt, 1)) { | |
1558 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1559 | "can only be replaced by another hot spare")); | |
1560 | return (zfs_error(hdl, EZFS_BADTARGET, msg)); | |
1561 | } | |
1562 | ||
1563 | /* | |
1564 | * If we are attempting to replace a spare, it canot be applied to an | |
1565 | * already spared device. | |
1566 | */ | |
1567 | if (replacing && | |
1568 | nvlist_lookup_string(child[0], ZPOOL_CONFIG_PATH, &path) == 0 && | |
1569 | zpool_find_vdev(zhp, path, &avail_spare, &l2cache) != NULL && | |
1570 | avail_spare && is_replacing_spare(config_root, tgt, 0)) { | |
1571 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1572 | "device has already been replaced with a spare")); | |
1573 | return (zfs_error(hdl, EZFS_BADTARGET, msg)); | |
1574 | } | |
1575 | ||
1576 | if (zcmd_write_conf_nvlist(hdl, &zc, nvroot) != 0) | |
1577 | return (-1); | |
1578 | ||
1579 | ret = zfs_ioctl(zhp->zpool_hdl, ZFS_IOC_VDEV_ATTACH, &zc); | |
1580 | ||
1581 | zcmd_free_nvlists(&zc); | |
1582 | ||
1583 | if (ret == 0) | |
1584 | return (0); | |
1585 | ||
1586 | switch (errno) { | |
1587 | case ENOTSUP: | |
1588 | /* | |
1589 | * Can't attach to or replace this type of vdev. | |
1590 | */ | |
1591 | if (replacing) { | |
1592 | is_log = B_FALSE; | |
1593 | (void) nvlist_lookup_uint64(tgt, ZPOOL_CONFIG_IS_LOG, | |
1594 | &is_log); | |
1595 | if (is_log) | |
1596 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1597 | "cannot replace a log with a spare")); | |
1598 | else | |
1599 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1600 | "cannot replace a replacing device")); | |
1601 | } else { | |
1602 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1603 | "can only attach to mirrors and top-level " | |
1604 | "disks")); | |
1605 | } | |
1606 | (void) zfs_error(hdl, EZFS_BADTARGET, msg); | |
1607 | break; | |
1608 | ||
1609 | case EINVAL: | |
1610 | /* | |
1611 | * The new device must be a single disk. | |
1612 | */ | |
1613 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1614 | "new device must be a single disk")); | |
1615 | (void) zfs_error(hdl, EZFS_INVALCONFIG, msg); | |
1616 | break; | |
1617 | ||
1618 | case EBUSY: | |
1619 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "%s is busy"), | |
1620 | new_disk); | |
1621 | (void) zfs_error(hdl, EZFS_BADDEV, msg); | |
1622 | break; | |
1623 | ||
1624 | case EOVERFLOW: | |
1625 | /* | |
1626 | * The new device is too small. | |
1627 | */ | |
1628 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1629 | "device is too small")); | |
1630 | (void) zfs_error(hdl, EZFS_BADDEV, msg); | |
1631 | break; | |
1632 | ||
1633 | case EDOM: | |
1634 | /* | |
1635 | * The new device has a different alignment requirement. | |
1636 | */ | |
1637 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1638 | "devices have different sector alignment")); | |
1639 | (void) zfs_error(hdl, EZFS_BADDEV, msg); | |
1640 | break; | |
1641 | ||
1642 | case ENAMETOOLONG: | |
1643 | /* | |
1644 | * The resulting top-level vdev spec won't fit in the label. | |
1645 | */ | |
1646 | (void) zfs_error(hdl, EZFS_DEVOVERFLOW, msg); | |
1647 | break; | |
1648 | ||
1649 | default: | |
1650 | (void) zpool_standard_error(hdl, errno, msg); | |
1651 | } | |
1652 | ||
1653 | return (-1); | |
1654 | } | |
1655 | ||
1656 | /* | |
1657 | * Detach the specified device. | |
1658 | */ | |
1659 | int | |
1660 | zpool_vdev_detach(zpool_handle_t *zhp, const char *path) | |
1661 | { | |
1662 | zfs_cmd_t zc = { 0 }; | |
1663 | char msg[1024]; | |
1664 | nvlist_t *tgt; | |
1665 | boolean_t avail_spare, l2cache; | |
1666 | libzfs_handle_t *hdl = zhp->zpool_hdl; | |
1667 | ||
1668 | (void) snprintf(msg, sizeof (msg), | |
1669 | dgettext(TEXT_DOMAIN, "cannot detach %s"), path); | |
1670 | ||
1671 | (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); | |
1672 | if ((tgt = zpool_find_vdev(zhp, path, &avail_spare, &l2cache)) == 0) | |
1673 | return (zfs_error(hdl, EZFS_NODEVICE, msg)); | |
1674 | ||
1675 | if (avail_spare) | |
1676 | return (zfs_error(hdl, EZFS_ISSPARE, msg)); | |
1677 | ||
1678 | if (l2cache) | |
1679 | return (zfs_error(hdl, EZFS_ISL2CACHE, msg)); | |
1680 | ||
1681 | verify(nvlist_lookup_uint64(tgt, ZPOOL_CONFIG_GUID, &zc.zc_guid) == 0); | |
1682 | ||
1683 | if (zfs_ioctl(hdl, ZFS_IOC_VDEV_DETACH, &zc) == 0) | |
1684 | return (0); | |
1685 | ||
1686 | switch (errno) { | |
1687 | ||
1688 | case ENOTSUP: | |
1689 | /* | |
1690 | * Can't detach from this type of vdev. | |
1691 | */ | |
1692 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "only " | |
1693 | "applicable to mirror and replacing vdevs")); | |
1694 | (void) zfs_error(zhp->zpool_hdl, EZFS_BADTARGET, msg); | |
1695 | break; | |
1696 | ||
1697 | case EBUSY: | |
1698 | /* | |
1699 | * There are no other replicas of this device. | |
1700 | */ | |
1701 | (void) zfs_error(hdl, EZFS_NOREPLICAS, msg); | |
1702 | break; | |
1703 | ||
1704 | default: | |
1705 | (void) zpool_standard_error(hdl, errno, msg); | |
1706 | } | |
1707 | ||
1708 | return (-1); | |
1709 | } | |
1710 | ||
1711 | /* | |
1712 | * Remove the given device. Currently, this is supported only for hot spares | |
1713 | * and level 2 cache devices. | |
1714 | */ | |
1715 | int | |
1716 | zpool_vdev_remove(zpool_handle_t *zhp, const char *path) | |
1717 | { | |
1718 | zfs_cmd_t zc = { 0 }; | |
1719 | char msg[1024]; | |
1720 | nvlist_t *tgt; | |
1721 | boolean_t avail_spare, l2cache; | |
1722 | libzfs_handle_t *hdl = zhp->zpool_hdl; | |
1723 | ||
1724 | (void) snprintf(msg, sizeof (msg), | |
1725 | dgettext(TEXT_DOMAIN, "cannot remove %s"), path); | |
1726 | ||
1727 | (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); | |
1728 | if ((tgt = zpool_find_vdev(zhp, path, &avail_spare, &l2cache)) == 0) | |
1729 | return (zfs_error(hdl, EZFS_NODEVICE, msg)); | |
1730 | ||
1731 | if (!avail_spare && !l2cache) { | |
1732 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1733 | "only inactive hot spares or cache devices " | |
1734 | "can be removed")); | |
1735 | return (zfs_error(hdl, EZFS_NODEVICE, msg)); | |
1736 | } | |
1737 | ||
1738 | verify(nvlist_lookup_uint64(tgt, ZPOOL_CONFIG_GUID, &zc.zc_guid) == 0); | |
1739 | ||
1740 | if (zfs_ioctl(hdl, ZFS_IOC_VDEV_REMOVE, &zc) == 0) | |
1741 | return (0); | |
1742 | ||
1743 | return (zpool_standard_error(hdl, errno, msg)); | |
1744 | } | |
1745 | ||
1746 | /* | |
1747 | * Clear the errors for the pool, or the particular device if specified. | |
1748 | */ | |
1749 | int | |
1750 | zpool_clear(zpool_handle_t *zhp, const char *path) | |
1751 | { | |
1752 | zfs_cmd_t zc = { 0 }; | |
1753 | char msg[1024]; | |
1754 | nvlist_t *tgt; | |
1755 | boolean_t avail_spare, l2cache; | |
1756 | libzfs_handle_t *hdl = zhp->zpool_hdl; | |
1757 | ||
1758 | if (path) | |
1759 | (void) snprintf(msg, sizeof (msg), | |
1760 | dgettext(TEXT_DOMAIN, "cannot clear errors for %s"), | |
1761 | path); | |
1762 | else | |
1763 | (void) snprintf(msg, sizeof (msg), | |
1764 | dgettext(TEXT_DOMAIN, "cannot clear errors for %s"), | |
1765 | zhp->zpool_name); | |
1766 | ||
1767 | (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); | |
1768 | if (path) { | |
1769 | if ((tgt = zpool_find_vdev(zhp, path, &avail_spare, | |
1770 | &l2cache)) == 0) | |
1771 | return (zfs_error(hdl, EZFS_NODEVICE, msg)); | |
1772 | ||
1773 | /* | |
1774 | * Don't allow error clearing for hot spares. Do allow | |
1775 | * error clearing for l2cache devices. | |
1776 | */ | |
1777 | if (avail_spare) | |
1778 | return (zfs_error(hdl, EZFS_ISSPARE, msg)); | |
1779 | ||
1780 | verify(nvlist_lookup_uint64(tgt, ZPOOL_CONFIG_GUID, | |
1781 | &zc.zc_guid) == 0); | |
1782 | } | |
1783 | ||
1784 | if (zfs_ioctl(hdl, ZFS_IOC_CLEAR, &zc) == 0) | |
1785 | return (0); | |
1786 | ||
1787 | return (zpool_standard_error(hdl, errno, msg)); | |
1788 | } | |
1789 | ||
1790 | /* | |
1791 | * Similar to zpool_clear(), but takes a GUID (used by fmd). | |
1792 | */ | |
1793 | int | |
1794 | zpool_vdev_clear(zpool_handle_t *zhp, uint64_t guid) | |
1795 | { | |
1796 | zfs_cmd_t zc = { 0 }; | |
1797 | char msg[1024]; | |
1798 | libzfs_handle_t *hdl = zhp->zpool_hdl; | |
1799 | ||
1800 | (void) snprintf(msg, sizeof (msg), | |
1801 | dgettext(TEXT_DOMAIN, "cannot clear errors for %llx"), | |
1802 | guid); | |
1803 | ||
1804 | (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); | |
1805 | zc.zc_guid = guid; | |
1806 | ||
1807 | if (ioctl(hdl->libzfs_fd, ZFS_IOC_CLEAR, &zc) == 0) | |
1808 | return (0); | |
1809 | ||
1810 | return (zpool_standard_error(hdl, errno, msg)); | |
1811 | } | |
1812 | ||
1813 | /* | |
1814 | * Iterate over all zvols in a given pool by walking the /dev/zvol/dsk/<pool> | |
1815 | * hierarchy. | |
1816 | */ | |
1817 | int | |
1818 | zpool_iter_zvol(zpool_handle_t *zhp, int (*cb)(const char *, void *), | |
1819 | void *data) | |
1820 | { | |
1821 | libzfs_handle_t *hdl = zhp->zpool_hdl; | |
1822 | char (*paths)[MAXPATHLEN]; | |
1823 | size_t size = 4; | |
1824 | int curr, fd, base, ret = 0; | |
1825 | DIR *dirp; | |
1826 | struct dirent *dp; | |
1827 | struct stat st; | |
1828 | ||
1829 | if ((base = open("/dev/zvol/dsk", O_RDONLY)) < 0) | |
1830 | return (errno == ENOENT ? 0 : -1); | |
1831 | ||
1832 | if (fstatat(base, zhp->zpool_name, &st, 0) != 0) { | |
1833 | int err = errno; | |
1834 | (void) close(base); | |
1835 | return (err == ENOENT ? 0 : -1); | |
1836 | } | |
1837 | ||
1838 | /* | |
1839 | * Oddly this wasn't a directory -- ignore that failure since we | |
1840 | * know there are no links lower in the (non-existant) hierarchy. | |
1841 | */ | |
1842 | if (!S_ISDIR(st.st_mode)) { | |
1843 | (void) close(base); | |
1844 | return (0); | |
1845 | } | |
1846 | ||
1847 | if ((paths = zfs_alloc(hdl, size * sizeof (paths[0]))) == NULL) { | |
1848 | (void) close(base); | |
1849 | return (-1); | |
1850 | } | |
1851 | ||
1852 | (void) strlcpy(paths[0], zhp->zpool_name, sizeof (paths[0])); | |
1853 | curr = 0; | |
1854 | ||
1855 | while (curr >= 0) { | |
1856 | if (fstatat(base, paths[curr], &st, AT_SYMLINK_NOFOLLOW) != 0) | |
1857 | goto err; | |
1858 | ||
1859 | if (S_ISDIR(st.st_mode)) { | |
1860 | if ((fd = openat(base, paths[curr], O_RDONLY)) < 0) | |
1861 | goto err; | |
1862 | ||
1863 | if ((dirp = fdopendir(fd)) == NULL) { | |
1864 | (void) close(fd); | |
1865 | goto err; | |
1866 | } | |
1867 | ||
1868 | while ((dp = readdir(dirp)) != NULL) { | |
1869 | if (dp->d_name[0] == '.') | |
1870 | continue; | |
1871 | ||
1872 | if (curr + 1 == size) { | |
1873 | paths = zfs_realloc(hdl, paths, | |
1874 | size * sizeof (paths[0]), | |
1875 | size * 2 * sizeof (paths[0])); | |
1876 | if (paths == NULL) { | |
1877 | (void) closedir(dirp); | |
1878 | (void) close(fd); | |
1879 | goto err; | |
1880 | } | |
1881 | ||
1882 | size *= 2; | |
1883 | } | |
1884 | ||
1885 | (void) strlcpy(paths[curr + 1], paths[curr], | |
1886 | sizeof (paths[curr + 1])); | |
1887 | (void) strlcat(paths[curr], "/", | |
1888 | sizeof (paths[curr])); | |
1889 | (void) strlcat(paths[curr], dp->d_name, | |
1890 | sizeof (paths[curr])); | |
1891 | curr++; | |
1892 | } | |
1893 | ||
1894 | (void) closedir(dirp); | |
1895 | ||
1896 | } else { | |
1897 | if ((ret = cb(paths[curr], data)) != 0) | |
1898 | break; | |
1899 | } | |
1900 | ||
1901 | curr--; | |
1902 | } | |
1903 | ||
1904 | free(paths); | |
1905 | (void) close(base); | |
1906 | ||
1907 | return (ret); | |
1908 | ||
1909 | err: | |
1910 | free(paths); | |
1911 | (void) close(base); | |
1912 | return (-1); | |
1913 | } | |
1914 | ||
1915 | typedef struct zvol_cb { | |
1916 | zpool_handle_t *zcb_pool; | |
1917 | boolean_t zcb_create; | |
1918 | } zvol_cb_t; | |
1919 | ||
1920 | /*ARGSUSED*/ | |
1921 | static int | |
1922 | do_zvol_create(zfs_handle_t *zhp, void *data) | |
1923 | { | |
1924 | int ret = 0; | |
1925 | ||
1926 | if (ZFS_IS_VOLUME(zhp)) { | |
1927 | (void) zvol_create_link(zhp->zfs_hdl, zhp->zfs_name); | |
1928 | ret = zfs_iter_snapshots(zhp, do_zvol_create, NULL); | |
1929 | } | |
1930 | ||
1931 | if (ret == 0) | |
1932 | ret = zfs_iter_filesystems(zhp, do_zvol_create, NULL); | |
1933 | ||
1934 | zfs_close(zhp); | |
1935 | ||
1936 | return (ret); | |
1937 | } | |
1938 | ||
1939 | /* | |
1940 | * Iterate over all zvols in the pool and make any necessary minor nodes. | |
1941 | */ | |
1942 | int | |
1943 | zpool_create_zvol_links(zpool_handle_t *zhp) | |
1944 | { | |
1945 | zfs_handle_t *zfp; | |
1946 | int ret; | |
1947 | ||
1948 | /* | |
1949 | * If the pool is unavailable, just return success. | |
1950 | */ | |
1951 | if ((zfp = make_dataset_handle(zhp->zpool_hdl, | |
1952 | zhp->zpool_name)) == NULL) | |
1953 | return (0); | |
1954 | ||
1955 | ret = zfs_iter_filesystems(zfp, do_zvol_create, NULL); | |
1956 | ||
1957 | zfs_close(zfp); | |
1958 | return (ret); | |
1959 | } | |
1960 | ||
1961 | static int | |
1962 | do_zvol_remove(const char *dataset, void *data) | |
1963 | { | |
1964 | zpool_handle_t *zhp = data; | |
1965 | ||
1966 | return (zvol_remove_link(zhp->zpool_hdl, dataset)); | |
1967 | } | |
1968 | ||
1969 | /* | |
1970 | * Iterate over all zvols in the pool and remove any minor nodes. We iterate | |
1971 | * by examining the /dev links so that a corrupted pool doesn't impede this | |
1972 | * operation. | |
1973 | */ | |
1974 | int | |
1975 | zpool_remove_zvol_links(zpool_handle_t *zhp) | |
1976 | { | |
1977 | return (zpool_iter_zvol(zhp, do_zvol_remove, zhp)); | |
1978 | } | |
1979 | ||
1980 | /* | |
1981 | * Convert from a devid string to a path. | |
1982 | */ | |
1983 | static char * | |
1984 | devid_to_path(char *devid_str) | |
1985 | { | |
1986 | ddi_devid_t devid; | |
1987 | char *minor; | |
1988 | char *path; | |
1989 | devid_nmlist_t *list = NULL; | |
1990 | int ret; | |
1991 | ||
1992 | if (devid_str_decode(devid_str, &devid, &minor) != 0) | |
1993 | return (NULL); | |
1994 | ||
1995 | ret = devid_deviceid_to_nmlist("/dev", devid, minor, &list); | |
1996 | ||
1997 | devid_str_free(minor); | |
1998 | devid_free(devid); | |
1999 | ||
2000 | if (ret != 0) | |
2001 | return (NULL); | |
2002 | ||
2003 | if ((path = strdup(list[0].devname)) == NULL) | |
2004 | return (NULL); | |
2005 | ||
2006 | devid_free_nmlist(list); | |
2007 | ||
2008 | return (path); | |
2009 | } | |
2010 | ||
2011 | /* | |
2012 | * Convert from a path to a devid string. | |
2013 | */ | |
2014 | static char * | |
2015 | path_to_devid(const char *path) | |
2016 | { | |
2017 | int fd; | |
2018 | ddi_devid_t devid; | |
2019 | char *minor, *ret; | |
2020 | ||
2021 | if ((fd = open(path, O_RDONLY)) < 0) | |
2022 | return (NULL); | |
2023 | ||
2024 | minor = NULL; | |
2025 | ret = NULL; | |
2026 | if (devid_get(fd, &devid) == 0) { | |
2027 | if (devid_get_minor_name(fd, &minor) == 0) | |
2028 | ret = devid_str_encode(devid, minor); | |
2029 | if (minor != NULL) | |
2030 | devid_str_free(minor); | |
2031 | devid_free(devid); | |
2032 | } | |
2033 | (void) close(fd); | |
2034 | ||
2035 | return (ret); | |
2036 | } | |
2037 | ||
2038 | /* | |
2039 | * Issue the necessary ioctl() to update the stored path value for the vdev. We | |
2040 | * ignore any failure here, since a common case is for an unprivileged user to | |
2041 | * type 'zpool status', and we'll display the correct information anyway. | |
2042 | */ | |
2043 | static void | |
2044 | set_path(zpool_handle_t *zhp, nvlist_t *nv, const char *path) | |
2045 | { | |
2046 | zfs_cmd_t zc = { 0 }; | |
2047 | ||
2048 | (void) strncpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); | |
2049 | (void) strncpy(zc.zc_value, path, sizeof (zc.zc_value)); | |
2050 | verify(nvlist_lookup_uint64(nv, ZPOOL_CONFIG_GUID, | |
2051 | &zc.zc_guid) == 0); | |
2052 | ||
2053 | (void) ioctl(zhp->zpool_hdl->libzfs_fd, ZFS_IOC_VDEV_SETPATH, &zc); | |
2054 | } | |
2055 | ||
2056 | /* | |
2057 | * Given a vdev, return the name to display in iostat. If the vdev has a path, | |
2058 | * we use that, stripping off any leading "/dev/dsk/"; if not, we use the type. | |
2059 | * We also check if this is a whole disk, in which case we strip off the | |
2060 | * trailing 's0' slice name. | |
2061 | * | |
2062 | * This routine is also responsible for identifying when disks have been | |
2063 | * reconfigured in a new location. The kernel will have opened the device by | |
2064 | * devid, but the path will still refer to the old location. To catch this, we | |
2065 | * first do a path -> devid translation (which is fast for the common case). If | |
2066 | * the devid matches, we're done. If not, we do a reverse devid -> path | |
2067 | * translation and issue the appropriate ioctl() to update the path of the vdev. | |
2068 | * If 'zhp' is NULL, then this is an exported pool, and we don't need to do any | |
2069 | * of these checks. | |
2070 | */ | |
2071 | char * | |
2072 | zpool_vdev_name(libzfs_handle_t *hdl, zpool_handle_t *zhp, nvlist_t *nv) | |
2073 | { | |
2074 | char *path, *devid; | |
2075 | uint64_t value; | |
2076 | char buf[64]; | |
2077 | vdev_stat_t *vs; | |
2078 | uint_t vsc; | |
2079 | ||
2080 | if (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_NOT_PRESENT, | |
2081 | &value) == 0) { | |
2082 | verify(nvlist_lookup_uint64(nv, ZPOOL_CONFIG_GUID, | |
2083 | &value) == 0); | |
2084 | (void) snprintf(buf, sizeof (buf), "%llu", | |
2085 | (u_longlong_t)value); | |
2086 | path = buf; | |
2087 | } else if (nvlist_lookup_string(nv, ZPOOL_CONFIG_PATH, &path) == 0) { | |
2088 | ||
2089 | /* | |
2090 | * If the device is dead (faulted, offline, etc) then don't | |
2091 | * bother opening it. Otherwise we may be forcing the user to | |
2092 | * open a misbehaving device, which can have undesirable | |
2093 | * effects. | |
2094 | */ | |
2095 | if ((nvlist_lookup_uint64_array(nv, ZPOOL_CONFIG_STATS, | |
2096 | (uint64_t **)&vs, &vsc) != 0 || | |
2097 | vs->vs_state >= VDEV_STATE_DEGRADED) && | |
2098 | zhp != NULL && | |
2099 | nvlist_lookup_string(nv, ZPOOL_CONFIG_DEVID, &devid) == 0) { | |
2100 | /* | |
2101 | * Determine if the current path is correct. | |
2102 | */ | |
2103 | char *newdevid = path_to_devid(path); | |
2104 | ||
2105 | if (newdevid == NULL || | |
2106 | strcmp(devid, newdevid) != 0) { | |
2107 | char *newpath; | |
2108 | ||
2109 | if ((newpath = devid_to_path(devid)) != NULL) { | |
2110 | /* | |
2111 | * Update the path appropriately. | |
2112 | */ | |
2113 | set_path(zhp, nv, newpath); | |
2114 | if (nvlist_add_string(nv, | |
2115 | ZPOOL_CONFIG_PATH, newpath) == 0) | |
2116 | verify(nvlist_lookup_string(nv, | |
2117 | ZPOOL_CONFIG_PATH, | |
2118 | &path) == 0); | |
2119 | free(newpath); | |
2120 | } | |
2121 | } | |
2122 | ||
2123 | if (newdevid) | |
2124 | devid_str_free(newdevid); | |
2125 | } | |
2126 | ||
2127 | if (strncmp(path, "/dev/dsk/", 9) == 0) | |
2128 | path += 9; | |
2129 | ||
2130 | if (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_WHOLE_DISK, | |
2131 | &value) == 0 && value) { | |
2132 | char *tmp = zfs_strdup(hdl, path); | |
2133 | if (tmp == NULL) | |
2134 | return (NULL); | |
2135 | tmp[strlen(path) - 2] = '\0'; | |
2136 | return (tmp); | |
2137 | } | |
2138 | } else { | |
2139 | verify(nvlist_lookup_string(nv, ZPOOL_CONFIG_TYPE, &path) == 0); | |
2140 | ||
2141 | /* | |
2142 | * If it's a raidz device, we need to stick in the parity level. | |
2143 | */ | |
2144 | if (strcmp(path, VDEV_TYPE_RAIDZ) == 0) { | |
2145 | verify(nvlist_lookup_uint64(nv, ZPOOL_CONFIG_NPARITY, | |
2146 | &value) == 0); | |
2147 | (void) snprintf(buf, sizeof (buf), "%s%llu", path, | |
2148 | (u_longlong_t)value); | |
2149 | path = buf; | |
2150 | } | |
2151 | } | |
2152 | ||
2153 | return (zfs_strdup(hdl, path)); | |
2154 | } | |
2155 | ||
2156 | static int | |
2157 | zbookmark_compare(const void *a, const void *b) | |
2158 | { | |
2159 | return (memcmp(a, b, sizeof (zbookmark_t))); | |
2160 | } | |
2161 | ||
2162 | /* | |
2163 | * Retrieve the persistent error log, uniquify the members, and return to the | |
2164 | * caller. | |
2165 | */ | |
2166 | int | |
2167 | zpool_get_errlog(zpool_handle_t *zhp, nvlist_t **nverrlistp) | |
2168 | { | |
2169 | zfs_cmd_t zc = { 0 }; | |
2170 | uint64_t count; | |
2171 | zbookmark_t *zb = NULL; | |
2172 | int i; | |
2173 | ||
2174 | /* | |
2175 | * Retrieve the raw error list from the kernel. If the number of errors | |
2176 | * has increased, allocate more space and continue until we get the | |
2177 | * entire list. | |
2178 | */ | |
2179 | verify(nvlist_lookup_uint64(zhp->zpool_config, ZPOOL_CONFIG_ERRCOUNT, | |
2180 | &count) == 0); | |
2181 | if (count == 0) | |
2182 | return (0); | |
2183 | if ((zc.zc_nvlist_dst = (uintptr_t)zfs_alloc(zhp->zpool_hdl, | |
2184 | count * sizeof (zbookmark_t))) == (uintptr_t)NULL) | |
2185 | return (-1); | |
2186 | zc.zc_nvlist_dst_size = count; | |
2187 | (void) strcpy(zc.zc_name, zhp->zpool_name); | |
2188 | for (;;) { | |
2189 | if (ioctl(zhp->zpool_hdl->libzfs_fd, ZFS_IOC_ERROR_LOG, | |
2190 | &zc) != 0) { | |
2191 | free((void *)(uintptr_t)zc.zc_nvlist_dst); | |
2192 | if (errno == ENOMEM) { | |
2193 | count = zc.zc_nvlist_dst_size; | |
2194 | if ((zc.zc_nvlist_dst = (uintptr_t) | |
2195 | zfs_alloc(zhp->zpool_hdl, count * | |
2196 | sizeof (zbookmark_t))) == (uintptr_t)NULL) | |
2197 | return (-1); | |
2198 | } else { | |
2199 | return (-1); | |
2200 | } | |
2201 | } else { | |
2202 | break; | |
2203 | } | |
2204 | } | |
2205 | ||
2206 | /* | |
2207 | * Sort the resulting bookmarks. This is a little confusing due to the | |
2208 | * implementation of ZFS_IOC_ERROR_LOG. The bookmarks are copied last | |
2209 | * to first, and 'zc_nvlist_dst_size' indicates the number of boomarks | |
2210 | * _not_ copied as part of the process. So we point the start of our | |
2211 | * array appropriate and decrement the total number of elements. | |
2212 | */ | |
2213 | zb = ((zbookmark_t *)(uintptr_t)zc.zc_nvlist_dst) + | |
2214 | zc.zc_nvlist_dst_size; | |
2215 | count -= zc.zc_nvlist_dst_size; | |
2216 | ||
2217 | qsort(zb, count, sizeof (zbookmark_t), zbookmark_compare); | |
2218 | ||
2219 | verify(nvlist_alloc(nverrlistp, 0, KM_SLEEP) == 0); | |
2220 | ||
2221 | /* | |
2222 | * Fill in the nverrlistp with nvlist's of dataset and object numbers. | |
2223 | */ | |
2224 | for (i = 0; i < count; i++) { | |
2225 | nvlist_t *nv; | |
2226 | ||
2227 | /* ignoring zb_blkid and zb_level for now */ | |
2228 | if (i > 0 && zb[i-1].zb_objset == zb[i].zb_objset && | |
2229 | zb[i-1].zb_object == zb[i].zb_object) | |
2230 | continue; | |
2231 | ||
2232 | if (nvlist_alloc(&nv, NV_UNIQUE_NAME, KM_SLEEP) != 0) | |
2233 | goto nomem; | |
2234 | if (nvlist_add_uint64(nv, ZPOOL_ERR_DATASET, | |
2235 | zb[i].zb_objset) != 0) { | |
2236 | nvlist_free(nv); | |
2237 | goto nomem; | |
2238 | } | |
2239 | if (nvlist_add_uint64(nv, ZPOOL_ERR_OBJECT, | |
2240 | zb[i].zb_object) != 0) { | |
2241 | nvlist_free(nv); | |
2242 | goto nomem; | |
2243 | } | |
2244 | if (nvlist_add_nvlist(*nverrlistp, "ejk", nv) != 0) { | |
2245 | nvlist_free(nv); | |
2246 | goto nomem; | |
2247 | } | |
2248 | nvlist_free(nv); | |
2249 | } | |
2250 | ||
2251 | free((void *)(uintptr_t)zc.zc_nvlist_dst); | |
2252 | return (0); | |
2253 | ||
2254 | nomem: | |
2255 | free((void *)(uintptr_t)zc.zc_nvlist_dst); | |
2256 | return (no_memory(zhp->zpool_hdl)); | |
2257 | } | |
2258 | ||
2259 | /* | |
2260 | * Upgrade a ZFS pool to the latest on-disk version. | |
2261 | */ | |
2262 | int | |
2263 | zpool_upgrade(zpool_handle_t *zhp, uint64_t new_version) | |
2264 | { | |
2265 | zfs_cmd_t zc = { 0 }; | |
2266 | libzfs_handle_t *hdl = zhp->zpool_hdl; | |
2267 | ||
2268 | (void) strcpy(zc.zc_name, zhp->zpool_name); | |
2269 | zc.zc_cookie = new_version; | |
2270 | ||
2271 | if (zfs_ioctl(hdl, ZFS_IOC_POOL_UPGRADE, &zc) != 0) | |
2272 | return (zpool_standard_error_fmt(hdl, errno, | |
2273 | dgettext(TEXT_DOMAIN, "cannot upgrade '%s'"), | |
2274 | zhp->zpool_name)); | |
2275 | return (0); | |
2276 | } | |
2277 | ||
2278 | void | |
2279 | zpool_set_history_str(const char *subcommand, int argc, char **argv, | |
2280 | char *history_str) | |
2281 | { | |
2282 | int i; | |
2283 | ||
2284 | (void) strlcpy(history_str, subcommand, HIS_MAX_RECORD_LEN); | |
2285 | for (i = 1; i < argc; i++) { | |
2286 | if (strlen(history_str) + 1 + strlen(argv[i]) > | |
2287 | HIS_MAX_RECORD_LEN) | |
2288 | break; | |
2289 | (void) strlcat(history_str, " ", HIS_MAX_RECORD_LEN); | |
2290 | (void) strlcat(history_str, argv[i], HIS_MAX_RECORD_LEN); | |
2291 | } | |
2292 | } | |
2293 | ||
2294 | /* | |
2295 | * Stage command history for logging. | |
2296 | */ | |
2297 | int | |
2298 | zpool_stage_history(libzfs_handle_t *hdl, const char *history_str) | |
2299 | { | |
2300 | if (history_str == NULL) | |
2301 | return (EINVAL); | |
2302 | ||
2303 | if (strlen(history_str) > HIS_MAX_RECORD_LEN) | |
2304 | return (EINVAL); | |
2305 | ||
2306 | if (hdl->libzfs_log_str != NULL) | |
2307 | free(hdl->libzfs_log_str); | |
2308 | ||
2309 | if ((hdl->libzfs_log_str = strdup(history_str)) == NULL) | |
2310 | return (no_memory(hdl)); | |
2311 | ||
2312 | return (0); | |
2313 | } | |
2314 | ||
2315 | /* | |
2316 | * Perform ioctl to get some command history of a pool. | |
2317 | * | |
2318 | * 'buf' is the buffer to fill up to 'len' bytes. 'off' is the | |
2319 | * logical offset of the history buffer to start reading from. | |
2320 | * | |
2321 | * Upon return, 'off' is the next logical offset to read from and | |
2322 | * 'len' is the actual amount of bytes read into 'buf'. | |
2323 | */ | |
2324 | static int | |
2325 | get_history(zpool_handle_t *zhp, char *buf, uint64_t *off, uint64_t *len) | |
2326 | { | |
2327 | zfs_cmd_t zc = { 0 }; | |
2328 | libzfs_handle_t *hdl = zhp->zpool_hdl; | |
2329 | ||
2330 | (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); | |
2331 | ||
2332 | zc.zc_history = (uint64_t)(uintptr_t)buf; | |
2333 | zc.zc_history_len = *len; | |
2334 | zc.zc_history_offset = *off; | |
2335 | ||
2336 | if (ioctl(hdl->libzfs_fd, ZFS_IOC_POOL_GET_HISTORY, &zc) != 0) { | |
2337 | switch (errno) { | |
2338 | case EPERM: | |
2339 | return (zfs_error_fmt(hdl, EZFS_PERM, | |
2340 | dgettext(TEXT_DOMAIN, | |
2341 | "cannot show history for pool '%s'"), | |
2342 | zhp->zpool_name)); | |
2343 | case ENOENT: | |
2344 | return (zfs_error_fmt(hdl, EZFS_NOHISTORY, | |
2345 | dgettext(TEXT_DOMAIN, "cannot get history for pool " | |
2346 | "'%s'"), zhp->zpool_name)); | |
2347 | case ENOTSUP: | |
2348 | return (zfs_error_fmt(hdl, EZFS_BADVERSION, | |
2349 | dgettext(TEXT_DOMAIN, "cannot get history for pool " | |
2350 | "'%s', pool must be upgraded"), zhp->zpool_name)); | |
2351 | default: | |
2352 | return (zpool_standard_error_fmt(hdl, errno, | |
2353 | dgettext(TEXT_DOMAIN, | |
2354 | "cannot get history for '%s'"), zhp->zpool_name)); | |
2355 | } | |
2356 | } | |
2357 | ||
2358 | *len = zc.zc_history_len; | |
2359 | *off = zc.zc_history_offset; | |
2360 | ||
2361 | return (0); | |
2362 | } | |
2363 | ||
2364 | /* | |
2365 | * Process the buffer of nvlists, unpacking and storing each nvlist record | |
2366 | * into 'records'. 'leftover' is set to the number of bytes that weren't | |
2367 | * processed as there wasn't a complete record. | |
2368 | */ | |
2369 | static int | |
2370 | zpool_history_unpack(char *buf, uint64_t bytes_read, uint64_t *leftover, | |
2371 | nvlist_t ***records, uint_t *numrecords) | |
2372 | { | |
2373 | uint64_t reclen; | |
2374 | nvlist_t *nv; | |
2375 | int i; | |
2376 | ||
2377 | while (bytes_read > sizeof (reclen)) { | |
2378 | ||
2379 | /* get length of packed record (stored as little endian) */ | |
2380 | for (i = 0, reclen = 0; i < sizeof (reclen); i++) | |
2381 | reclen += (uint64_t)(((uchar_t *)buf)[i]) << (8*i); | |
2382 | ||
2383 | if (bytes_read < sizeof (reclen) + reclen) | |
2384 | break; | |
2385 | ||
2386 | /* unpack record */ | |
2387 | if (nvlist_unpack(buf + sizeof (reclen), reclen, &nv, 0) != 0) | |
2388 | return (ENOMEM); | |
2389 | bytes_read -= sizeof (reclen) + reclen; | |
2390 | buf += sizeof (reclen) + reclen; | |
2391 | ||
2392 | /* add record to nvlist array */ | |
2393 | (*numrecords)++; | |
2394 | if (ISP2(*numrecords + 1)) { | |
2395 | *records = realloc(*records, | |
2396 | *numrecords * 2 * sizeof (nvlist_t *)); | |
2397 | } | |
2398 | (*records)[*numrecords - 1] = nv; | |
2399 | } | |
2400 | ||
2401 | *leftover = bytes_read; | |
2402 | return (0); | |
2403 | } | |
2404 | ||
2405 | #define HIS_BUF_LEN (128*1024) | |
2406 | ||
2407 | /* | |
2408 | * Retrieve the command history of a pool. | |
2409 | */ | |
2410 | int | |
2411 | zpool_get_history(zpool_handle_t *zhp, nvlist_t **nvhisp) | |
2412 | { | |
2413 | char buf[HIS_BUF_LEN]; | |
2414 | uint64_t off = 0; | |
2415 | nvlist_t **records = NULL; | |
2416 | uint_t numrecords = 0; | |
2417 | int err, i; | |
2418 | ||
2419 | do { | |
2420 | uint64_t bytes_read = sizeof (buf); | |
2421 | uint64_t leftover; | |
2422 | ||
2423 | if ((err = get_history(zhp, buf, &off, &bytes_read)) != 0) | |
2424 | break; | |
2425 | ||
2426 | /* if nothing else was read in, we're at EOF, just return */ | |
2427 | if (!bytes_read) | |
2428 | break; | |
2429 | ||
2430 | if ((err = zpool_history_unpack(buf, bytes_read, | |
2431 | &leftover, &records, &numrecords)) != 0) | |
2432 | break; | |
2433 | off -= leftover; | |
2434 | ||
2435 | /* CONSTCOND */ | |
2436 | } while (1); | |
2437 | ||
2438 | if (!err) { | |
2439 | verify(nvlist_alloc(nvhisp, NV_UNIQUE_NAME, 0) == 0); | |
2440 | verify(nvlist_add_nvlist_array(*nvhisp, ZPOOL_HIST_RECORD, | |
2441 | records, numrecords) == 0); | |
2442 | } | |
2443 | for (i = 0; i < numrecords; i++) | |
2444 | nvlist_free(records[i]); | |
2445 | free(records); | |
2446 | ||
2447 | return (err); | |
2448 | } | |
2449 | ||
2450 | void | |
2451 | zpool_obj_to_path(zpool_handle_t *zhp, uint64_t dsobj, uint64_t obj, | |
2452 | char *pathname, size_t len) | |
2453 | { | |
2454 | zfs_cmd_t zc = { 0 }; | |
2455 | boolean_t mounted = B_FALSE; | |
2456 | char *mntpnt = NULL; | |
2457 | char dsname[MAXNAMELEN]; | |
2458 | ||
2459 | if (dsobj == 0) { | |
2460 | /* special case for the MOS */ | |
2461 | (void) snprintf(pathname, len, "<metadata>:<0x%llx>", obj); | |
2462 | return; | |
2463 | } | |
2464 | ||
2465 | /* get the dataset's name */ | |
2466 | (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); | |
2467 | zc.zc_obj = dsobj; | |
2468 | if (ioctl(zhp->zpool_hdl->libzfs_fd, | |
2469 | ZFS_IOC_DSOBJ_TO_DSNAME, &zc) != 0) { | |
2470 | /* just write out a path of two object numbers */ | |
2471 | (void) snprintf(pathname, len, "<0x%llx>:<0x%llx>", | |
2472 | dsobj, obj); | |
2473 | return; | |
2474 | } | |
2475 | (void) strlcpy(dsname, zc.zc_value, sizeof (dsname)); | |
2476 | ||
2477 | /* find out if the dataset is mounted */ | |
2478 | mounted = is_mounted(zhp->zpool_hdl, dsname, &mntpnt); | |
2479 | ||
2480 | /* get the corrupted object's path */ | |
2481 | (void) strlcpy(zc.zc_name, dsname, sizeof (zc.zc_name)); | |
2482 | zc.zc_obj = obj; | |
2483 | if (ioctl(zhp->zpool_hdl->libzfs_fd, ZFS_IOC_OBJ_TO_PATH, | |
2484 | &zc) == 0) { | |
2485 | if (mounted) { | |
2486 | (void) snprintf(pathname, len, "%s%s", mntpnt, | |
2487 | zc.zc_value); | |
2488 | } else { | |
2489 | (void) snprintf(pathname, len, "%s:%s", | |
2490 | dsname, zc.zc_value); | |
2491 | } | |
2492 | } else { | |
2493 | (void) snprintf(pathname, len, "%s:<0x%llx>", dsname, obj); | |
2494 | } | |
2495 | free(mntpnt); | |
2496 | } | |
2497 | ||
2498 | #define RDISK_ROOT "/dev/rdsk" | |
2499 | #define BACKUP_SLICE "s2" | |
2500 | /* | |
2501 | * Don't start the slice at the default block of 34; many storage | |
2502 | * devices will use a stripe width of 128k, so start there instead. | |
2503 | */ | |
2504 | #define NEW_START_BLOCK 256 | |
2505 | ||
2506 | /* | |
2507 | * determine where a partition starts on a disk in the current | |
2508 | * configuration | |
2509 | */ | |
2510 | static diskaddr_t | |
2511 | find_start_block(nvlist_t *config) | |
2512 | { | |
2513 | nvlist_t **child; | |
2514 | uint_t c, children; | |
2515 | char *path; | |
2516 | diskaddr_t sb = MAXOFFSET_T; | |
2517 | int fd; | |
2518 | char diskname[MAXPATHLEN]; | |
2519 | uint64_t wholedisk; | |
2520 | ||
2521 | if (nvlist_lookup_nvlist_array(config, | |
2522 | ZPOOL_CONFIG_CHILDREN, &child, &children) != 0) { | |
2523 | if (nvlist_lookup_uint64(config, | |
2524 | ZPOOL_CONFIG_WHOLE_DISK, | |
2525 | &wholedisk) != 0 || !wholedisk) { | |
2526 | return (MAXOFFSET_T); | |
2527 | } | |
2528 | if (nvlist_lookup_string(config, | |
2529 | ZPOOL_CONFIG_PATH, &path) != 0) { | |
2530 | return (MAXOFFSET_T); | |
2531 | } | |
2532 | ||
2533 | (void) snprintf(diskname, sizeof (diskname), "%s%s", | |
2534 | RDISK_ROOT, strrchr(path, '/')); | |
2535 | if ((fd = open(diskname, O_RDONLY|O_NDELAY)) >= 0) { | |
2536 | struct dk_gpt *vtoc; | |
2537 | if (efi_alloc_and_read(fd, &vtoc) >= 0) { | |
2538 | sb = vtoc->efi_parts[0].p_start; | |
2539 | efi_free(vtoc); | |
2540 | } | |
2541 | (void) close(fd); | |
2542 | } | |
2543 | return (sb); | |
2544 | } | |
2545 | ||
2546 | for (c = 0; c < children; c++) { | |
2547 | sb = find_start_block(child[c]); | |
2548 | if (sb != MAXOFFSET_T) { | |
2549 | return (sb); | |
2550 | } | |
2551 | } | |
2552 | return (MAXOFFSET_T); | |
2553 | } | |
2554 | ||
2555 | /* | |
2556 | * Label an individual disk. The name provided is the short name, | |
2557 | * stripped of any leading /dev path. | |
2558 | */ | |
2559 | int | |
2560 | zpool_label_disk(libzfs_handle_t *hdl, zpool_handle_t *zhp, char *name) | |
2561 | { | |
2562 | char path[MAXPATHLEN]; | |
2563 | struct dk_gpt *vtoc; | |
2564 | int fd; | |
2565 | size_t resv = EFI_MIN_RESV_SIZE; | |
2566 | uint64_t slice_size; | |
2567 | diskaddr_t start_block; | |
2568 | char errbuf[1024]; | |
2569 | ||
2570 | /* prepare an error message just in case */ | |
2571 | (void) snprintf(errbuf, sizeof (errbuf), | |
2572 | dgettext(TEXT_DOMAIN, "cannot label '%s'"), name); | |
2573 | ||
2574 | if (zhp) { | |
2575 | nvlist_t *nvroot; | |
2576 | ||
2577 | verify(nvlist_lookup_nvlist(zhp->zpool_config, | |
2578 | ZPOOL_CONFIG_VDEV_TREE, &nvroot) == 0); | |
2579 | ||
2580 | if (zhp->zpool_start_block == 0) | |
2581 | start_block = find_start_block(nvroot); | |
2582 | else | |
2583 | start_block = zhp->zpool_start_block; | |
2584 | zhp->zpool_start_block = start_block; | |
2585 | } else { | |
2586 | /* new pool */ | |
2587 | start_block = NEW_START_BLOCK; | |
2588 | } | |
2589 | ||
2590 | (void) snprintf(path, sizeof (path), "%s/%s%s", RDISK_ROOT, name, | |
2591 | BACKUP_SLICE); | |
2592 | ||
2593 | if ((fd = open(path, O_RDWR | O_NDELAY)) < 0) { | |
2594 | /* | |
2595 | * This shouldn't happen. We've long since verified that this | |
2596 | * is a valid device. | |
2597 | */ | |
2598 | zfs_error_aux(hdl, | |
2599 | dgettext(TEXT_DOMAIN, "unable to open device")); | |
2600 | return (zfs_error(hdl, EZFS_OPENFAILED, errbuf)); | |
2601 | } | |
2602 | ||
2603 | if (efi_alloc_and_init(fd, EFI_NUMPAR, &vtoc) != 0) { | |
2604 | /* | |
2605 | * The only way this can fail is if we run out of memory, or we | |
2606 | * were unable to read the disk's capacity | |
2607 | */ | |
2608 | if (errno == ENOMEM) | |
2609 | (void) no_memory(hdl); | |
2610 | ||
2611 | (void) close(fd); | |
2612 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
2613 | "unable to read disk capacity"), name); | |
2614 | ||
2615 | return (zfs_error(hdl, EZFS_NOCAP, errbuf)); | |
2616 | } | |
2617 | ||
2618 | slice_size = vtoc->efi_last_u_lba + 1; | |
2619 | slice_size -= EFI_MIN_RESV_SIZE; | |
2620 | if (start_block == MAXOFFSET_T) | |
2621 | start_block = NEW_START_BLOCK; | |
2622 | slice_size -= start_block; | |
2623 | ||
2624 | vtoc->efi_parts[0].p_start = start_block; | |
2625 | vtoc->efi_parts[0].p_size = slice_size; | |
2626 | ||
2627 | /* | |
2628 | * Why we use V_USR: V_BACKUP confuses users, and is considered | |
2629 | * disposable by some EFI utilities (since EFI doesn't have a backup | |
2630 | * slice). V_UNASSIGNED is supposed to be used only for zero size | |
2631 | * partitions, and efi_write() will fail if we use it. V_ROOT, V_BOOT, | |
2632 | * etc. were all pretty specific. V_USR is as close to reality as we | |
2633 | * can get, in the absence of V_OTHER. | |
2634 | */ | |
2635 | vtoc->efi_parts[0].p_tag = V_USR; | |
2636 | (void) strcpy(vtoc->efi_parts[0].p_name, "zfs"); | |
2637 | ||
2638 | vtoc->efi_parts[8].p_start = slice_size + start_block; | |
2639 | vtoc->efi_parts[8].p_size = resv; | |
2640 | vtoc->efi_parts[8].p_tag = V_RESERVED; | |
2641 | ||
2642 | if (efi_write(fd, vtoc) != 0) { | |
2643 | /* | |
2644 | * Some block drivers (like pcata) may not support EFI | |
2645 | * GPT labels. Print out a helpful error message dir- | |
2646 | * ecting the user to manually label the disk and give | |
2647 | * a specific slice. | |
2648 | */ | |
2649 | (void) close(fd); | |
2650 | efi_free(vtoc); | |
2651 | ||
2652 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
2653 | "try using fdisk(1M) and then provide a specific slice")); | |
2654 | return (zfs_error(hdl, EZFS_LABELFAILED, errbuf)); | |
2655 | } | |
2656 | ||
2657 | (void) close(fd); | |
2658 | efi_free(vtoc); | |
2659 | return (0); | |
2660 | } | |
2661 | ||
2662 | static boolean_t | |
2663 | supported_dump_vdev_type(libzfs_handle_t *hdl, nvlist_t *config, char *errbuf) | |
2664 | { | |
2665 | char *type; | |
2666 | nvlist_t **child; | |
2667 | uint_t children, c; | |
2668 | ||
2669 | verify(nvlist_lookup_string(config, ZPOOL_CONFIG_TYPE, &type) == 0); | |
2670 | if (strcmp(type, VDEV_TYPE_RAIDZ) == 0 || | |
2671 | strcmp(type, VDEV_TYPE_FILE) == 0 || | |
2672 | strcmp(type, VDEV_TYPE_LOG) == 0 || | |
2673 | strcmp(type, VDEV_TYPE_MISSING) == 0) { | |
2674 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
2675 | "vdev type '%s' is not supported"), type); | |
2676 | (void) zfs_error(hdl, EZFS_VDEVNOTSUP, errbuf); | |
2677 | return (B_FALSE); | |
2678 | } | |
2679 | if (nvlist_lookup_nvlist_array(config, ZPOOL_CONFIG_CHILDREN, | |
2680 | &child, &children) == 0) { | |
2681 | for (c = 0; c < children; c++) { | |
2682 | if (!supported_dump_vdev_type(hdl, child[c], errbuf)) | |
2683 | return (B_FALSE); | |
2684 | } | |
2685 | } | |
2686 | return (B_TRUE); | |
2687 | } | |
2688 | ||
2689 | /* | |
2690 | * check if this zvol is allowable for use as a dump device; zero if | |
2691 | * it is, > 0 if it isn't, < 0 if it isn't a zvol | |
2692 | */ | |
2693 | int | |
2694 | zvol_check_dump_config(char *arg) | |
2695 | { | |
2696 | zpool_handle_t *zhp = NULL; | |
2697 | nvlist_t *config, *nvroot; | |
2698 | char *p, *volname; | |
2699 | nvlist_t **top; | |
2700 | uint_t toplevels; | |
2701 | libzfs_handle_t *hdl; | |
2702 | char errbuf[1024]; | |
2703 | char poolname[ZPOOL_MAXNAMELEN]; | |
2704 | int pathlen = strlen(ZVOL_FULL_DEV_DIR); | |
2705 | int ret = 1; | |
2706 | ||
2707 | if (strncmp(arg, ZVOL_FULL_DEV_DIR, pathlen)) { | |
2708 | return (-1); | |
2709 | } | |
2710 | ||
2711 | (void) snprintf(errbuf, sizeof (errbuf), dgettext(TEXT_DOMAIN, | |
2712 | "dump is not supported on device '%s'"), arg); | |
2713 | ||
2714 | if ((hdl = libzfs_init()) == NULL) | |
2715 | return (1); | |
2716 | libzfs_print_on_error(hdl, B_TRUE); | |
2717 | ||
2718 | volname = arg + pathlen; | |
2719 | ||
2720 | /* check the configuration of the pool */ | |
2721 | if ((p = strchr(volname, '/')) == NULL) { | |
2722 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
2723 | "malformed dataset name")); | |
2724 | (void) zfs_error(hdl, EZFS_INVALIDNAME, errbuf); | |
2725 | return (1); | |
2726 | } else if (p - volname >= ZFS_MAXNAMELEN) { | |
2727 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
2728 | "dataset name is too long")); | |
2729 | (void) zfs_error(hdl, EZFS_NAMETOOLONG, errbuf); | |
2730 | return (1); | |
2731 | } else { | |
2732 | (void) strncpy(poolname, volname, p - volname); | |
2733 | poolname[p - volname] = '\0'; | |
2734 | } | |
2735 | ||
2736 | if ((zhp = zpool_open(hdl, poolname)) == NULL) { | |
2737 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
2738 | "could not open pool '%s'"), poolname); | |
2739 | (void) zfs_error(hdl, EZFS_OPENFAILED, errbuf); | |
2740 | goto out; | |
2741 | } | |
2742 | config = zpool_get_config(zhp, NULL); | |
2743 | if (nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, | |
2744 | &nvroot) != 0) { | |
2745 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
2746 | "could not obtain vdev configuration for '%s'"), poolname); | |
2747 | (void) zfs_error(hdl, EZFS_INVALCONFIG, errbuf); | |
2748 | goto out; | |
2749 | } | |
2750 | ||
2751 | verify(nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_CHILDREN, | |
2752 | &top, &toplevels) == 0); | |
2753 | if (toplevels != 1) { | |
2754 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
2755 | "'%s' has multiple top level vdevs"), poolname); | |
2756 | (void) zfs_error(hdl, EZFS_DEVOVERFLOW, errbuf); | |
2757 | goto out; | |
2758 | } | |
2759 | ||
2760 | if (!supported_dump_vdev_type(hdl, top[0], errbuf)) { | |
2761 | goto out; | |
2762 | } | |
2763 | ret = 0; | |
2764 | ||
2765 | out: | |
2766 | if (zhp) | |
2767 | zpool_close(zhp); | |
2768 | libzfs_fini(hdl); | |
2769 | return (ret); | |
2770 | } |