libzfs/common/libzfs_import.c

39  * examined every device, we pick the best label txg config for each toplevel
40  * vdev.  We then arrange these toplevel vdevs into a complete pool config, and
42  * using our derived config, and record the results.
224     nvlist_t *config)
237 	if (nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_STATE,
240 	    nvlist_lookup_uint64(config, ZPOOL_CONFIG_GUID, &vdev_guid) == 0) {
255 	 * If we have a valid config but cannot read any of these fields, then
262 	if (nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_GUID,
264 	    nvlist_lookup_uint64(config, ZPOOL_CONFIG_GUID,
266 	    nvlist_lookup_uint64(config, ZPOOL_CONFIG_TOP_GUID,
268 	    nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_TXG,
270 		nvlist_free(config);
285 			nvlist_free(config);
304 			nvlist_free(config);
313 	 * Third, see if we have a config with a matching transaction group.  If
324 			nvlist_free(config);
328 		ce->ce_config = config;
332 		nvlist_free(config);
336 	 * At this point we've successfully added our config to the list of
384 refresh_config(libzfs_handle_t *hdl, nvlist_t *config)
390 	if (zcmd_write_conf_nvlist(hdl, &zc, config) != 0)
438  * start by picking the best config for each toplevel vdev.  Once that's done,
439  * we assemble the toplevel vdevs into a full config for the pool.  We make a
449 	nvlist_t *ret = NULL, *config = NULL, *tmp = NULL, *nvtop, *nvroot;
473 		if (nvlist_alloc(&config, NV_UNIQUE_NAME, 0) != 0)
480 		 * add them as necessary to the 'vdevs' member of the config.
486 			 * selecting the config with the latest transaction
505 				(void) nvlist_remove(config,
508 				(void) nvlist_remove(config,
520 					verify(nvlist_add_uint64(config,
529 					verify(nvlist_add_uint64_array(config,
553 				fnvlist_add_uint64(config,
557 				fnvlist_add_uint64(config,
561 				fnvlist_add_string(config,
566 					fnvlist_add_string(config,
571 				fnvlist_add_uint64(config,
577 					fnvlist_add_uint64(config,
581 					fnvlist_add_string(config,
645 		verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_GUID,
746 		if (nvlist_add_nvlist(config, ZPOOL_CONFIG_VDEV_TREE,
764 		verify(nvlist_lookup_string(config, ZPOOL_CONFIG_POOL_NAME,
766 		verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_GUID,
773 			nvlist_free(config);
774 			config = NULL;
778 		if ((nvl = refresh_config(hdl, config)) == NULL) {
779 			nvlist_free(config);
780 			config = NULL;
784 		nvlist_free(config);
785 		config = nvl;
791 		verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE,
815 		(void) nvlist_remove(config, ZPOOL_CONFIG_HOSTID,
817 		(void) nvlist_remove(config, ZPOOL_CONFIG_HOSTNAME,
820 			verify(nvlist_add_uint64(config, ZPOOL_CONFIG_HOSTID,
822 			verify(nvlist_add_string(config, ZPOOL_CONFIG_HOSTNAME,
830 		verify(nvlist_lookup_string(config, ZPOOL_CONFIG_POOL_NAME,
832 		if (nvlist_add_nvlist(ret, name, config) != 0)
836 		nvlist_free(config);
837 		config = NULL;
850 	nvlist_free(config);
875 zpool_read_label(int fd, nvlist_t **config)
882 	*config = NULL;
897 		    sizeof (label->vl_vdev_phys.vp_nvlist), config, 0) != 0)
900 		if (nvlist_lookup_uint64(*config, ZPOOL_CONFIG_POOL_STATE,
902 			nvlist_free(*config);
907 		    (nvlist_lookup_uint64(*config, ZPOOL_CONFIG_POOL_TXG,
909 			nvlist_free(*config);
918 	*config = NULL;
1055 	nvlist_t *config;
1116 	if ((zpool_read_label(fd, &config)) != 0) {
1123 	rn->rn_config = config;
1343 				nvlist_t *config = slice->rn_config;
1349 					matched = nvlist_lookup_string(config,
1356 					matched = nvlist_lookup_uint64(config,
1362 					nvlist_free(config);
1365 					 * use the non-raw path for the config
1370 					    config) != 0)
1640 	nvlist_t *config;
1652 	if (zpool_read_label(fd, &config) != 0) {
1657 	if (config == NULL)
1660 	verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_STATE,
1662 	verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_GUID,
1666 		verify(nvlist_lookup_string(config, ZPOOL_CONFIG_POOL_NAME,
1668 		verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_GUID,
1704 			nvlist_free(config);
1712 			 * still present in the config.  Otherwise, pretend like
1735 			if (ret && nvlist_lookup_uint64(config,
1796 			nvlist_free(config);
1805 	nvlist_free(config);