1209 		vdev_t *vd;  in spa_config_parse()  local
1210 		if ((error = spa_config_parse(spa, &vd, child[c], *vdp, c,  in spa_config_parse()
1334 	vdev_t *vd, *tvd;  in spa_load_spares()  local
1342 		vd = spa->spa_spares.sav_vdevs[i];  in spa_load_spares()
1345 		if ((tvd = spa_lookup_by_guid(spa, vd->vdev_guid,  in spa_load_spares()
1348 		vdev_close(vd);  in spa_load_spares()
1349 		vdev_free(vd);  in spa_load_spares()
1380 		VERIFY(spa_config_parse(spa, &vd, spares[i], NULL, 0,  in spa_load_spares()
1382 		ASSERT(vd != NULL);  in spa_load_spares()
1384 		spa->spa_spares.sav_vdevs[i] = vd;  in spa_load_spares()
1386 		if ((tvd = spa_lookup_by_guid(spa, vd->vdev_guid,  in spa_load_spares()
1408 		vd->vdev_top = vd;  in spa_load_spares()
1409 		vd->vdev_aux = &spa->spa_spares;  in spa_load_spares()
1411 		if (vdev_open(vd) != 0)  in spa_load_spares()
1414 		if (vdev_validate_aux(vd) == 0)  in spa_load_spares()
1415 			spa_spare_add(vd);  in spa_load_spares()
1452 	vdev_t *vd, **oldvdevs, **newvdevs;  in spa_load_l2cache()  local
1480 			vd = oldvdevs[j];  in spa_load_l2cache()
1481 			if (vd != NULL && guid == vd->vdev_guid) {  in spa_load_l2cache()
1485 				newvdevs[i] = vd;  in spa_load_l2cache()
1495 			VERIFY(spa_config_parse(spa, &vd, l2cache[i], NULL, 0,  in spa_load_l2cache()
1497 			ASSERT(vd != NULL);  in spa_load_l2cache()
1498 			newvdevs[i] = vd;  in spa_load_l2cache()
1504 			spa_l2cache_add(vd);  in spa_load_l2cache()
1506 			vd->vdev_top = vd;  in spa_load_l2cache()
1507 			vd->vdev_aux = sav;  in spa_load_l2cache()
1509 			spa_l2cache_activate(vd);  in spa_load_l2cache()
1511 			if (vdev_open(vd) != 0)  in spa_load_l2cache()
1514 			(void) vdev_validate_aux(vd);  in spa_load_l2cache()
1516 			if (!vdev_is_dead(vd)) {  in spa_load_l2cache()
1522 				l2arc_add_vdev(spa, vd, do_rebuild);  in spa_load_l2cache()
1533 		vd = oldvdevs[i];  in spa_load_l2cache()
1534 		if (vd != NULL) {  in spa_load_l2cache()
1535 			ASSERT(vd->vdev_isl2cache);  in spa_load_l2cache()
1537 			if (spa_l2cache_exists(vd->vdev_guid, &pool) &&  in spa_load_l2cache()
1538 			    pool != 0ULL && l2arc_vdev_present(vd))  in spa_load_l2cache()
1539 				l2arc_remove_vdev(vd);  in spa_load_l2cache()
1540 			vdev_clear_stats(vd);  in spa_load_l2cache()
1541 			vdev_free(vd);  in spa_load_l2cache()
1605 spa_check_removed(vdev_t *vd)  in spa_check_removed()  argument
1607 	for (int c = 0; c < vd->vdev_children; c++)  in spa_check_removed()
1608 		spa_check_removed(vd->vdev_child[c]);  in spa_check_removed()
1610 	if (vd->vdev_ops->vdev_op_leaf && vdev_is_dead(vd) &&  in spa_check_removed()
1611 	    !vd->vdev_ishole) {  in spa_check_removed()
1612 		zfs_post_autoreplace(vd->vdev_spa, vd);  in spa_check_removed()
1613 		spa_event_notify(vd->vdev_spa, vd, ESC_ZFS_VDEV_CHECK);  in spa_check_removed()
2017 	vdev_t **vd;  in spa_try_repair()  local
2028 	vd = kmem_zalloc(gcount * sizeof (vdev_t *), KM_SLEEP);  in spa_try_repair()
2036 		vd[i] = spa_lookup_by_guid(spa, glist[i], B_FALSE);  in spa_try_repair()
2037 		if (vd[i] == NULL) {  in spa_try_repair()
2045 			vd[i]->vdev_offline = B_FALSE;  in spa_try_repair()
2054 			if (vd[i] != NULL &&  in spa_try_repair()
2055 			    vd[i]->vdev_stat.vs_aux != VDEV_AUX_SPLIT_POOL)  in spa_try_repair()
2068 			if (vd[i] != NULL)  in spa_try_repair()
2069 				vdev_split(vd[i]);  in spa_try_repair()
2073 	kmem_free(vd, gcount * sizeof (vdev_t *));  in spa_try_repair()
3157 	vdev_t *vd;  in spa_add_l2cache()  local
3184 			vd = NULL;  in spa_add_l2cache()
3188 					vd = spa->spa_l2cache.sav_vdevs[j];  in spa_add_l2cache()
3192 			ASSERT(vd != NULL);  in spa_add_l2cache()
3197 			vdev_get_stats(vd, vs);  in spa_add_l2cache()
3324 	vdev_t *vd;  in spa_validate_aux_devs()  local
3353 		if ((error = spa_config_parse(spa, &vd, dev[i], NULL, 0,  in spa_validate_aux_devs()
3357 		if (!vd->vdev_ops->vdev_op_leaf) {  in spa_validate_aux_devs()
3358 			vdev_free(vd);  in spa_validate_aux_devs()
3369 		    strcmp(vd->vdev_ops->vdev_op_type, VDEV_TYPE_DISK) != 0) {  in spa_validate_aux_devs()
3371 			vdev_free(vd);  in spa_validate_aux_devs()
3375 		vd->vdev_top = vd;  in spa_validate_aux_devs()
3377 		if ((error = vdev_open(vd)) == 0 &&  in spa_validate_aux_devs()
3378 		    (error = vdev_label_init(vd, crtxg, label)) == 0) {  in spa_validate_aux_devs()
3380 			    vd->vdev_guid) == 0);  in spa_validate_aux_devs()
3383 		vdev_free(vd);  in spa_validate_aux_devs()
3468 	vdev_t *vd;  in spa_l2cache_drop()  local
3475 		vd = sav->sav_vdevs[i];  in spa_l2cache_drop()
3476 		ASSERT(vd != NULL);  in spa_l2cache_drop()
3478 		if (spa_l2cache_exists(vd->vdev_guid, &pool) &&  in spa_l2cache_drop()
3479 		    pool != 0ULL && l2arc_vdev_present(vd))  in spa_l2cache_drop()
3480 			l2arc_remove_vdev(vd);  in spa_l2cache_drop()
3786 spa_alt_rootvdev(vdev_t *vd, vdev_t **avd, uint64_t *txg)  in spa_alt_rootvdev()  argument
3788 	for (int c = 0; c < vd->vdev_children; c++)  in spa_alt_rootvdev()
3789 		spa_alt_rootvdev(vd->vdev_child[c], avd, txg);  in spa_alt_rootvdev()
3791 	if (vd->vdev_ops->vdev_op_leaf) {  in spa_alt_rootvdev()
3795 		if (vdev_disk_read_rootlabel(vd->vdev_physpath, vd->vdev_devid,  in spa_alt_rootvdev()
3807 			*avd = vd;  in spa_alt_rootvdev()
4373 	vdev_t *vd, *tvd;  in spa_vdev_add()  local
4381 	if ((error = spa_config_parse(spa, &vd, nvroot, NULL, 0,  in spa_vdev_add()
4385 	spa->spa_pending_vdev = vd;	/* spa_vdev_exit() will clear this */  in spa_vdev_add()
4395 	if (vd->vdev_children == 0 && nspares == 0 && nl2cache == 0)  in spa_vdev_add()
4396 		return (spa_vdev_exit(spa, vd, txg, EINVAL));  in spa_vdev_add()
4398 	if (vd->vdev_children != 0 &&  in spa_vdev_add()
4399 	    (error = vdev_create(vd, txg, B_FALSE)) != 0)  in spa_vdev_add()
4400 		return (spa_vdev_exit(spa, vd, txg, error));  in spa_vdev_add()
4407 		return (spa_vdev_exit(spa, vd, txg, error));  in spa_vdev_add()
4412 	for (int c = 0; c < vd->vdev_children; c++) {  in spa_vdev_add()
4423 		tvd = vd->vdev_child[c];  in spa_vdev_add()
4424 		vdev_remove_child(vd, tvd);  in spa_vdev_add()
4457 	(void) spa_vdev_exit(spa, vd, txg, 0);  in spa_vdev_add()
4690 	vdev_t *vd, *pvd, *cvd, *tvd;  in spa_vdev_detach()  local
4699 	vd = spa_lookup_by_guid(spa, guid, B_FALSE);  in spa_vdev_detach()
4701 	if (vd == NULL)  in spa_vdev_detach()
4704 	if (!vd->vdev_ops->vdev_op_leaf)  in spa_vdev_detach()
4707 	pvd = vd->vdev_parent;  in spa_vdev_detach()
4747 	if (vdev_dtl_required(vd))  in spa_vdev_detach()
4757 	if (pvd->vdev_ops == &vdev_replacing_ops && vd->vdev_id > 0 &&  in spa_vdev_detach()
4758 	    vd->vdev_path != NULL) {  in spa_vdev_detach()
4759 		size_t len = strlen(vd->vdev_path);  in spa_vdev_detach()
4764 			if (cvd == vd || cvd->vdev_path == NULL)  in spa_vdev_detach()
4767 			if (strncmp(cvd->vdev_path, vd->vdev_path, len) == 0 &&  in spa_vdev_detach()
4770 				cvd->vdev_path = spa_strdup(vd->vdev_path);  in spa_vdev_detach()
4782 	    vd->vdev_id == 0 &&  in spa_vdev_detach()
4794 	error = vdev_label_init(vd, 0, VDEV_LABEL_REMOVE);  in spa_vdev_detach()
4799 	vdev_remove_child(pvd, vd);  in spa_vdev_detach()
4867 	vdpath = spa_strdup(vd->vdev_path);  in spa_vdev_detach()
4869 		(void) txg_list_remove_this(&tvd->vdev_dtl_list, vd, t);  in spa_vdev_detach()
4870 	vd->vdev_detached = B_TRUE;  in spa_vdev_detach()
4871 	vdev_dirty(tvd, VDD_DTL, vd, txg);  in spa_vdev_detach()
4873 	spa_event_notify(spa, vd, ESC_ZFS_VDEV_REMOVE);  in spa_vdev_detach()
4878 	error = spa_vdev_exit(spa, vd, txg, 0);  in spa_vdev_detach()
4967 		vdev_t *vd = rvd->vdev_child[c];  in spa_vdev_split_mirror()  local
4970 		if (vd->vdev_islog || vd->vdev_ishole) {  in spa_vdev_split_mirror()
5244 spa_vdev_remove_evacuate(spa_t *spa, vdev_t *vd)  in spa_vdev_remove_evacuate()  argument
5251 	ASSERT(vd == vd->vdev_top);  in spa_vdev_remove_evacuate()
5259 	if (vd->vdev_islog) {  in spa_vdev_remove_evacuate()
5260 		if (vd->vdev_stat.vs_alloc != 0)  in spa_vdev_remove_evacuate()
5273 	ASSERT0(vd->vdev_stat.vs_alloc);  in spa_vdev_remove_evacuate()
5275 	vd->vdev_removing = B_TRUE;  in spa_vdev_remove_evacuate()
5276 	vdev_dirty_leaves(vd, VDD_DTL, txg);  in spa_vdev_remove_evacuate()
5277 	vdev_config_dirty(vd);  in spa_vdev_remove_evacuate()
5287 spa_vdev_remove_from_namespace(spa_t *spa, vdev_t *vd)  in spa_vdev_remove_from_namespace()  argument
5290 	uint64_t id = vd->vdev_id;  in spa_vdev_remove_from_namespace()
5295 	ASSERT(vd == vd->vdev_top);  in spa_vdev_remove_from_namespace()
5300 	if (vd->vdev_stat.vs_alloc != 0)  in spa_vdev_remove_from_namespace()
5303 	(void) vdev_label_init(vd, 0, VDEV_LABEL_REMOVE);  in spa_vdev_remove_from_namespace()
5305 	if (list_link_active(&vd->vdev_state_dirty_node))  in spa_vdev_remove_from_namespace()
5306 		vdev_state_clean(vd);  in spa_vdev_remove_from_namespace()
5307 	if (list_link_active(&vd->vdev_config_dirty_node))  in spa_vdev_remove_from_namespace()
5308 		vdev_config_clean(vd);  in spa_vdev_remove_from_namespace()
5310 	vdev_free(vd);  in spa_vdev_remove_from_namespace()
5315 		vd = vdev_alloc_common(spa, id, 0, &vdev_hole_ops);  in spa_vdev_remove_from_namespace()
5316 		vdev_add_child(rvd, vd);  in spa_vdev_remove_from_namespace()
5341 	vdev_t *vd;  in spa_vdev_remove()  local
5354 	vd = spa_lookup_by_guid(spa, guid, B_FALSE);  in spa_vdev_remove()
5364 		if (vd == NULL || unspare) {  in spa_vdev_remove()
5383 	} else if (vd != NULL && vd->vdev_islog) {  in spa_vdev_remove()
5385 		ASSERT(vd == vd->vdev_top);  in spa_vdev_remove()
5387 		mg = vd->vdev_mg;  in spa_vdev_remove()
5404 		error = spa_vdev_remove_evacuate(spa, vd);  in spa_vdev_remove()
5419 		spa_vdev_remove_from_namespace(spa, vd);  in spa_vdev_remove()
5421 	} else if (vd != NULL) {  in spa_vdev_remove()
5444 spa_vdev_resilver_done_hunt(vdev_t *vd)  in spa_vdev_resilver_done_hunt()  argument
5448 	for (int c = 0; c < vd->vdev_children; c++) {  in spa_vdev_resilver_done_hunt()
5449 		oldvd = spa_vdev_resilver_done_hunt(vd->vdev_child[c]);  in spa_vdev_resilver_done_hunt()
5462 	if (vd->vdev_ops == &vdev_replacing_ops) {  in spa_vdev_resilver_done_hunt()
5463 		ASSERT(vd->vdev_children > 1);  in spa_vdev_resilver_done_hunt()
5465 		newvd = vd->vdev_child[vd->vdev_children - 1];  in spa_vdev_resilver_done_hunt()
5466 		oldvd = vd->vdev_child[0];  in spa_vdev_resilver_done_hunt()
5477 	if (vd->vdev_ops == &vdev_spare_ops) {  in spa_vdev_resilver_done_hunt()
5478 		vdev_t *first = vd->vdev_child[0];  in spa_vdev_resilver_done_hunt()
5479 		vdev_t *last = vd->vdev_child[vd->vdev_children - 1];  in spa_vdev_resilver_done_hunt()
5504 		if (vd->vdev_children > 2) {  in spa_vdev_resilver_done_hunt()
5505 			newvd = vd->vdev_child[1];  in spa_vdev_resilver_done_hunt()
5521 	vdev_t *vd, *pvd, *ppvd;  in spa_vdev_resilver_done()  local
5526 	while ((vd = spa_vdev_resilver_done_hunt(spa->spa_root_vdev)) != NULL) {  in spa_vdev_resilver_done()
5527 		pvd = vd->vdev_parent;  in spa_vdev_resilver_done()
5529 		guid = vd->vdev_guid;  in spa_vdev_resilver_done()
5543 		ASSERT(vd->vdev_resilver_txg == 0 || !vdev_dtl_required(vd));  in spa_vdev_resilver_done()
5563 	vdev_t *vd;  in spa_vdev_set_common()  local
5570 	if ((vd = spa_lookup_by_guid(spa, guid, B_TRUE)) == NULL)  in spa_vdev_set_common()
5573 	if (!vd->vdev_ops->vdev_op_leaf)  in spa_vdev_set_common()
5577 		if (strcmp(value, vd->vdev_path) != 0) {  in spa_vdev_set_common()
5578 			spa_strfree(vd->vdev_path);  in spa_vdev_set_common()
5579 			vd->vdev_path = spa_strdup(value);  in spa_vdev_set_common()
5583 		if (vd->vdev_fru == NULL) {  in spa_vdev_set_common()
5584 			vd->vdev_fru = spa_strdup(value);  in spa_vdev_set_common()
5586 		} else if (strcmp(value, vd->vdev_fru) != 0) {  in spa_vdev_set_common()
5587 			spa_strfree(vd->vdev_fru);  in spa_vdev_set_common()
5588 			vd->vdev_fru = spa_strdup(value);  in spa_vdev_set_common()
5593 	return (spa_vdev_state_exit(spa, sync ? vd : NULL, 0));  in spa_vdev_set_common()
5651 spa_async_remove(spa_t *spa, vdev_t *vd)  in spa_async_remove()  argument
5653 	if (vd->vdev_remove_wanted) {  in spa_async_remove()
5654 		vd->vdev_remove_wanted = B_FALSE;  in spa_async_remove()
5655 		vd->vdev_delayed_close = B_FALSE;  in spa_async_remove()
5656 		vdev_set_state(vd, B_FALSE, VDEV_STATE_REMOVED, VDEV_AUX_NONE);  in spa_async_remove()
5664 		vd->vdev_stat.vs_read_errors = 0;  in spa_async_remove()
5665 		vd->vdev_stat.vs_write_errors = 0;  in spa_async_remove()
5666 		vd->vdev_stat.vs_checksum_errors = 0;  in spa_async_remove()
5668 		vdev_state_dirty(vd->vdev_top);  in spa_async_remove()
5671 	for (int c = 0; c < vd->vdev_children; c++)  in spa_async_remove()
5672 		spa_async_remove(spa, vd->vdev_child[c]);  in spa_async_remove()
5676 spa_async_probe(spa_t *spa, vdev_t *vd)  in spa_async_probe()  argument
5678 	if (vd->vdev_probe_wanted) {  in spa_async_probe()
5679 		vd->vdev_probe_wanted = B_FALSE;  in spa_async_probe()
5680 		vdev_reopen(vd);	/* vdev_open() does the actual probe */  in spa_async_probe()
5683 	for (int c = 0; c < vd->vdev_children; c++)  in spa_async_probe()
5684 		spa_async_probe(spa, vd->vdev_child[c]);  in spa_async_probe()
5688 spa_async_autoexpand(spa_t *spa, vdev_t *vd)  in spa_async_autoexpand()  argument
5697 	for (int c = 0; c < vd->vdev_children; c++) {  in spa_async_autoexpand()
5698 		vdev_t *cvd = vd->vdev_child[c];  in spa_async_autoexpand()
5702 	if (!vd->vdev_ops->vdev_op_leaf || vd->vdev_physpath == NULL)  in spa_async_autoexpand()
5706 	(void) snprintf(physpath, MAXPATHLEN, "/devices%s", vd->vdev_physpath);  in spa_async_autoexpand()
6277 	vdev_t *vd;  in spa_sync()  local
6306 		while ((vd = list_head(&spa->spa_state_dirty_list)) != NULL) {  in spa_sync()
6307 			vdev_state_clean(vd);  in spa_sync()
6308 			vdev_config_dirty(vd);  in spa_sync()
6330 			vd = rvd->vdev_child[i];  in spa_sync()
6331 			if (vd->vdev_deflate_ratio != SPA_MINBLOCKSIZE)  in spa_sync()
6371 		while (vd = txg_list_remove(&spa->spa_vdev_txg_list, txg))  in spa_sync()
6372 			vdev_sync(vd, txg);  in spa_sync()
6431 				vd = rvd->vdev_child[(c0 + c) % children];  in spa_sync()
6432 				if (vd->vdev_ms_array == 0 || vd->vdev_islog)  in spa_sync()
6434 				svd[svdcount++] = vd;  in spa_sync()
6461 	while ((vd = list_head(&spa->spa_config_dirty_list)) != NULL)  in spa_sync()
6462 		vdev_config_clean(vd);  in spa_sync()
6481 	while (vd = txg_list_remove(&spa->spa_vdev_txg_list, TXG_CLEAN(txg)))  in spa_sync()
6482 		vdev_sync_done(vd, txg);  in spa_sync()
6572 	vdev_t *vd;  in spa_lookup_by_guid()  local
6575 	if ((vd = vdev_lookup_by_guid(spa->spa_root_vdev, guid)) != NULL)  in spa_lookup_by_guid()
6576 		return (vd);  in spa_lookup_by_guid()
6580 			vd = spa->spa_l2cache.sav_vdevs[i];  in spa_lookup_by_guid()
6581 			if (vd->vdev_guid == guid)  in spa_lookup_by_guid()
6582 				return (vd);  in spa_lookup_by_guid()
6586 			vd = spa->spa_spares.sav_vdevs[i];  in spa_lookup_by_guid()
6587 			if (vd->vdev_guid == guid)  in spa_lookup_by_guid()
6588 				return (vd);  in spa_lookup_by_guid()
6667 spa_event_notify(spa_t *spa, vdev_t *vd, const char *name)  in spa_event_notify()  argument
6688 	if (vd) {  in spa_event_notify()
6690 		value.value.sv_uint64 = vd->vdev_guid;  in spa_event_notify()
6695 		if (vd->vdev_path) {  in spa_event_notify()
6697 			value.value.sv_string = vd->vdev_path;  in spa_event_notify()