libzfs/common/libzfs_import.c

37  * examined every device, we pick the best label txg config for each toplevel
38  * vdev.  We then arrange these toplevel vdevs into a complete pool config, and
40  * using our derived config, and record the results.
214     nvlist_t *config)
227 	if (nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_STATE,
230 	    nvlist_lookup_uint64(config, ZPOOL_CONFIG_GUID, &vdev_guid) == 0) {
245 	 * If we have a valid config but cannot read any of these fields, then
252 	if (nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_GUID,
254 	    nvlist_lookup_uint64(config, ZPOOL_CONFIG_GUID,
256 	    nvlist_lookup_uint64(config, ZPOOL_CONFIG_TOP_GUID,
258 	    nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_TXG,
260 		nvlist_free(config);
275 			nvlist_free(config);
294 			nvlist_free(config);
303 	 * Third, see if we have a config with a matching transaction group.  If
314 			nvlist_free(config);
318 		ce->ce_config = config;
322 		nvlist_free(config);
326 	 * At this point we've successfully added our config to the list of
374 refresh_config(libzfs_handle_t *hdl, nvlist_t *config)
380 	if (zcmd_write_conf_nvlist(hdl, &zc, config) != 0)
428  * start by picking the best config for each toplevel vdev.  Once that's done,
429  * we assemble the toplevel vdevs into a full config for the pool.  We make a
439 	nvlist_t *ret = NULL, *config = NULL, *tmp, *nvtop, *nvroot;
463 		if (nvlist_alloc(&config, NV_UNIQUE_NAME, 0) != 0)
470 		 * add them as necessary to the 'vdevs' member of the config.
476 			 * selecting the config with the latest transaction
495 				(void) nvlist_remove(config,
498 				(void) nvlist_remove(config,
510 					verify(nvlist_add_uint64(config,
519 					verify(nvlist_add_uint64_array(config,
543 				fnvlist_add_uint64(config,
547 				fnvlist_add_uint64(config,
551 				fnvlist_add_string(config,
556 					fnvlist_add_string(config,
561 				fnvlist_add_uint64(config,
567 					fnvlist_add_uint64(config,
571 					fnvlist_add_string(config,
635 		verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_GUID,
734 		if (nvlist_add_nvlist(config, ZPOOL_CONFIG_VDEV_TREE,
752 		verify(nvlist_lookup_string(config, ZPOOL_CONFIG_POOL_NAME,
754 		verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_GUID,
761 			nvlist_free(config);
762 			config = NULL;
766 		if ((nvl = refresh_config(hdl, config)) == NULL) {
767 			nvlist_free(config);
768 			config = NULL;
772 		nvlist_free(config);
773 		config = nvl;
779 		verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE,
803 		(void) nvlist_remove(config, ZPOOL_CONFIG_HOSTID,
805 		(void) nvlist_remove(config, ZPOOL_CONFIG_HOSTNAME,
808 			verify(nvlist_add_uint64(config, ZPOOL_CONFIG_HOSTID,
810 			verify(nvlist_add_string(config, ZPOOL_CONFIG_HOSTNAME,
818 		verify(nvlist_lookup_string(config, ZPOOL_CONFIG_POOL_NAME,
820 		if (nvlist_add_nvlist(ret, name, config) != 0)
824 		nvlist_free(config);
825 		config = NULL;
838 	nvlist_free(config);
863 zpool_read_label(int fd, nvlist_t **config)
870 	*config = NULL;
885 		    sizeof (label->vl_vdev_phys.vp_nvlist), config, 0) != 0)
888 		if (nvlist_lookup_uint64(*config, ZPOOL_CONFIG_POOL_STATE,
890 			nvlist_free(*config);
895 		    (nvlist_lookup_uint64(*config, ZPOOL_CONFIG_POOL_TXG,
897 			nvlist_free(*config);
906 	*config = NULL;
1043 	nvlist_t *config;
1085 	if ((zpool_read_label(fd, &config)) != 0) {
1093 	rn->rn_config = config;
1094 	if (config != NULL) {
1276 				nvlist_t *config = slice->rn_config;
1282 					matched = nvlist_lookup_string(config,
1289 					matched = nvlist_lookup_uint64(config,
1295 					nvlist_free(config);
1296 					config = NULL;
1299 				/* use the non-raw path for the config */
1301 				if (add_config(hdl, &pools, path, config) != 0)
1573 	nvlist_t *config;
1585 	if (zpool_read_label(fd, &config) != 0) {
1590 	if (config == NULL)
1593 	verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_STATE,
1595 	verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_GUID,
1599 		verify(nvlist_lookup_string(config, ZPOOL_CONFIG_POOL_NAME,
1601 		verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_GUID,
1637 			nvlist_free(config);
1645 			 * still present in the config.  Otherwise, pretend like
1668 			if (ret && nvlist_lookup_uint64(config,
1729 			nvlist_free(config);
1738 	nvlist_free(config);