528 vdev_add_child(vdev_t *pvd, vdev_t *cvd)  in vdev_add_child()  argument
531 	uint64_t id = cvd->vdev_id;  in vdev_add_child()
534 	ASSERT(spa_config_held(cvd->vdev_spa, SCL_ALL, RW_WRITER) == SCL_ALL);  in vdev_add_child()
535 	ASSERT(cvd->vdev_parent == NULL);  in vdev_add_child()
537 	cvd->vdev_parent = pvd;  in vdev_add_child()
555 	pvd->vdev_child[id] = cvd;  in vdev_add_child()
557 	cvd->vdev_top = (pvd->vdev_top ? pvd->vdev_top: cvd);  in vdev_add_child()
558 	ASSERT(cvd->vdev_top->vdev_parent->vdev_parent == NULL);  in vdev_add_child()
564 		pvd->vdev_guid_sum += cvd->vdev_guid_sum;  in vdev_add_child()
566 	if (cvd->vdev_ops->vdev_op_leaf) {  in vdev_add_child()
567 		list_insert_head(&cvd->vdev_spa->spa_leaf_list, cvd);  in vdev_add_child()
568 		cvd->vdev_spa->spa_leaf_list_gen++;  in vdev_add_child()
573 vdev_remove_child(vdev_t *pvd, vdev_t *cvd)  in vdev_remove_child()  argument
576 	uint_t id = cvd->vdev_id;  in vdev_remove_child()
578 	ASSERT(cvd->vdev_parent == pvd);  in vdev_remove_child()
584 	ASSERT(pvd->vdev_child[id] == cvd);  in vdev_remove_child()
587 	cvd->vdev_parent = NULL;  in vdev_remove_child()
599 	if (cvd->vdev_ops->vdev_op_leaf) {  in vdev_remove_child()
600 		spa_t *spa = cvd->vdev_spa;  in vdev_remove_child()
601 		list_remove(&spa->spa_leaf_list, cvd);  in vdev_remove_child()
609 		pvd->vdev_guid_sum -= cvd->vdev_guid_sum;  in vdev_remove_child()
618 	vdev_t **newchild, *cvd;  in vdev_compact_children()  local
635 			if ((cvd = pvd->vdev_child[c]) != NULL) {  in vdev_compact_children()
636 				newchild[newc] = cvd;  in vdev_compact_children()
637 				cvd->vdev_id = newc++;  in vdev_compact_children()
1358 vdev_add_parent(vdev_t *cvd, vdev_ops_t *ops)  in vdev_add_parent()  argument
1360 	spa_t *spa = cvd->vdev_spa;  in vdev_add_parent()
1361 	vdev_t *pvd = cvd->vdev_parent;  in vdev_add_parent()
1366 	mvd = vdev_alloc_common(spa, cvd->vdev_id, 0, ops);  in vdev_add_parent()
1368 	mvd->vdev_asize = cvd->vdev_asize;  in vdev_add_parent()
1369 	mvd->vdev_min_asize = cvd->vdev_min_asize;  in vdev_add_parent()
1370 	mvd->vdev_max_asize = cvd->vdev_max_asize;  in vdev_add_parent()
1371 	mvd->vdev_psize = cvd->vdev_psize;  in vdev_add_parent()
1372 	mvd->vdev_ashift = cvd->vdev_ashift;  in vdev_add_parent()
1373 	mvd->vdev_logical_ashift = cvd->vdev_logical_ashift;  in vdev_add_parent()
1374 	mvd->vdev_physical_ashift = cvd->vdev_physical_ashift;  in vdev_add_parent()
1375 	mvd->vdev_state = cvd->vdev_state;  in vdev_add_parent()
1376 	mvd->vdev_crtxg = cvd->vdev_crtxg;  in vdev_add_parent()
1378 	vdev_remove_child(pvd, cvd);  in vdev_add_parent()
1380 	cvd->vdev_id = mvd->vdev_children;  in vdev_add_parent()
1381 	vdev_add_child(mvd, cvd);  in vdev_add_parent()
1382 	vdev_top_update(cvd->vdev_top, cvd->vdev_top);  in vdev_add_parent()
1385 		vdev_top_transfer(cvd, mvd);  in vdev_add_parent()
1394 vdev_remove_parent(vdev_t *cvd)  in vdev_remove_parent()  argument
1396 	vdev_t *mvd = cvd->vdev_parent;  in vdev_remove_parent()
1399 	ASSERT(spa_config_held(cvd->vdev_spa, SCL_ALL, RW_WRITER) == SCL_ALL);  in vdev_remove_parent()
1405 	cvd->vdev_ashift = mvd->vdev_ashift;  in vdev_remove_parent()
1406 	cvd->vdev_logical_ashift = mvd->vdev_logical_ashift;  in vdev_remove_parent()
1407 	cvd->vdev_physical_ashift = mvd->vdev_physical_ashift;  in vdev_remove_parent()
1408 	vdev_remove_child(mvd, cvd);  in vdev_remove_parent()
1418 		uint64_t guid_delta = mvd->vdev_guid - cvd->vdev_guid;  in vdev_remove_parent()
1419 		cvd->vdev_orig_guid = cvd->vdev_guid;  in vdev_remove_parent()
1420 		cvd->vdev_guid += guid_delta;  in vdev_remove_parent()
1421 		cvd->vdev_guid_sum += guid_delta;  in vdev_remove_parent()
1431 		if (!cvd->vdev_spa->spa_autoexpand)  in vdev_remove_parent()
1432 			cvd->vdev_asize = mvd->vdev_asize;  in vdev_remove_parent()
1434 	cvd->vdev_id = mvd->vdev_id;  in vdev_remove_parent()
1435 	vdev_add_child(pvd, cvd);  in vdev_remove_parent()
1436 	vdev_top_update(cvd->vdev_top, cvd->vdev_top);  in vdev_remove_parent()
1438 	if (cvd == cvd->vdev_top)  in vdev_remove_parent()
1439 		vdev_top_transfer(mvd, cvd);  in vdev_remove_parent()
1943 		vdev_t *cvd = vd->vdev_child[c];  in vdev_open_children_impl()  local
1945 		if (open_func(cvd) == B_FALSE)  in vdev_open_children_impl()
1949 			cvd->vdev_open_error = vdev_open(cvd);  in vdev_open_children_impl()
1952 			    cvd, TQ_SLEEP) != TASKQID_INVALID);  in vdev_open_children_impl()
1959 		vdev_t *cvd = vd->vdev_child[c];  in vdev_open_children_impl()  local
1960 		vd->vdev_nonrot &= cvd->vdev_nonrot;  in vdev_open_children_impl()
2374 		vdev_t *cvd = vd->vdev_child[c];  in vdev_validate()  local
2376 		if (tq == NULL || vdev_uses_zvols(cvd)) {  in vdev_validate()
2377 			vdev_validate_child(cvd);  in vdev_validate()
2379 			VERIFY(taskq_dispatch(tq, vdev_validate_child, cvd,  in vdev_validate()
3354 				vdev_t *cvd = vd->vdev_child[c];  in vdev_dtl_reassess_impl()  local
3355 				mutex_enter(&cvd->vdev_dtl_lock);  in vdev_dtl_reassess_impl()
3357 				    cvd->vdev_dtl[s], 1);  in vdev_dtl_reassess_impl()
3358 				mutex_exit(&cvd->vdev_dtl_lock);  in vdev_dtl_reassess_impl()
3669 			vdev_t *cvd = vd->vdev_child[c];  in vdev_resilver_needed()  local
3672 			if (vdev_resilver_needed(cvd, &cmin, &cmax)) {  in vdev_resilver_needed()
3733 		vdev_t *cvd = vd->vdev_child[c];  in vdev_load()  local
3735 		if (tq == NULL || vdev_uses_zvols(cvd)) {  in vdev_load()
3736 			cvd->vdev_load_error = vdev_load(cvd);  in vdev_load()
3739 			    cvd, TQ_SLEEP) != TASKQID_INVALID);  in vdev_load()
4689 vdev_get_child_stat(vdev_t *cvd, vdev_stat_t *vs, vdev_stat_t *cvs)  in vdev_get_child_stat()  argument
4695 	if (cvd->vdev_ops == &vdev_draid_spare_ops)  in vdev_get_child_stat()
4703 	cvs->vs_scan_removing = cvd->vdev_removing;  in vdev_get_child_stat()
4710 vdev_get_child_stat_ex(vdev_t *cvd, vdev_stat_ex_t *vsx, vdev_stat_ex_t *cvsx)  in vdev_get_child_stat_ex()  argument
4712 	(void) cvd;  in vdev_get_child_stat_ex()
4783 			vdev_t *cvd = vd->vdev_child[c];  in vdev_get_stats_ex_impl()  local
4784 			vdev_stat_t *cvs = &cvd->vdev_stat;  in vdev_get_stats_ex_impl()
4785 			vdev_stat_ex_t *cvsx = &cvd->vdev_stat_ex;  in vdev_get_stats_ex_impl()
4787 			vdev_get_stats_ex_impl(cvd, cvs, cvsx);  in vdev_get_stats_ex_impl()
4789 				vdev_get_child_stat(cvd, vs, cvs);  in vdev_get_stats_ex_impl()
4791 				vdev_get_child_stat_ex(cvd, vsx, cvsx);  in vdev_get_stats_ex_impl()
5635 	vdev_t *cvd, *pvd = vd->vdev_parent;  in vdev_split()  local
5644 	cvd = pvd->vdev_child[0];  in vdev_split()
5646 		vdev_remove_parent(cvd);  in vdev_split()
5647 		cvd->vdev_splitting = B_TRUE;  in vdev_split()
5649 	vdev_propagate_state(cvd);  in vdev_split()
5656 		vdev_t *cvd = vd->vdev_child[c];  in vdev_deadman()  local
5658 		vdev_deadman(cvd, tag);  in vdev_deadman()
5708 		vdev_t *cvd = vd->vdev_child[c];  in vdev_clear_resilver_deferred()  local
5709 		resilver_needed |= vdev_clear_resilver_deferred(cvd, tx);  in vdev_clear_resilver_deferred()