498 vdev_add_child(vdev_t *pvd, vdev_t *cvd)  in vdev_add_child()  argument
501 	uint64_t id = cvd->vdev_id;  in vdev_add_child()
504 	ASSERT(spa_config_held(cvd->vdev_spa, SCL_ALL, RW_WRITER) == SCL_ALL);  in vdev_add_child()
505 	ASSERT(cvd->vdev_parent == NULL);  in vdev_add_child()
507 	cvd->vdev_parent = pvd;  in vdev_add_child()
525 	pvd->vdev_child[id] = cvd;  in vdev_add_child()
527 	cvd->vdev_top = (pvd->vdev_top ? pvd->vdev_top: cvd);  in vdev_add_child()
528 	ASSERT(cvd->vdev_top->vdev_parent->vdev_parent == NULL);  in vdev_add_child()
534 		pvd->vdev_guid_sum += cvd->vdev_guid_sum;  in vdev_add_child()
536 	if (cvd->vdev_ops->vdev_op_leaf) {  in vdev_add_child()
537 		list_insert_head(&cvd->vdev_spa->spa_leaf_list, cvd);  in vdev_add_child()
538 		cvd->vdev_spa->spa_leaf_list_gen++;  in vdev_add_child()
543 vdev_remove_child(vdev_t *pvd, vdev_t *cvd)  in vdev_remove_child()  argument
546 	uint_t id = cvd->vdev_id;  in vdev_remove_child()
548 	ASSERT(cvd->vdev_parent == pvd);  in vdev_remove_child()
554 	ASSERT(pvd->vdev_child[id] == cvd);  in vdev_remove_child()
557 	cvd->vdev_parent = NULL;  in vdev_remove_child()
569 	if (cvd->vdev_ops->vdev_op_leaf) {  in vdev_remove_child()
570 		spa_t *spa = cvd->vdev_spa;  in vdev_remove_child()
571 		list_remove(&spa->spa_leaf_list, cvd);  in vdev_remove_child()
579 		pvd->vdev_guid_sum -= cvd->vdev_guid_sum;  in vdev_remove_child()
588 	vdev_t **newchild, *cvd;  in vdev_compact_children()  local
605 			if ((cvd = pvd->vdev_child[c]) != NULL) {  in vdev_compact_children()
606 				newchild[newc] = cvd;  in vdev_compact_children()
607 				cvd->vdev_id = newc++;  in vdev_compact_children()
1325 vdev_add_parent(vdev_t *cvd, vdev_ops_t *ops)  in vdev_add_parent()  argument
1327 	spa_t *spa = cvd->vdev_spa;  in vdev_add_parent()
1328 	vdev_t *pvd = cvd->vdev_parent;  in vdev_add_parent()
1333 	mvd = vdev_alloc_common(spa, cvd->vdev_id, 0, ops);  in vdev_add_parent()
1335 	mvd->vdev_asize = cvd->vdev_asize;  in vdev_add_parent()
1336 	mvd->vdev_min_asize = cvd->vdev_min_asize;  in vdev_add_parent()
1337 	mvd->vdev_max_asize = cvd->vdev_max_asize;  in vdev_add_parent()
1338 	mvd->vdev_psize = cvd->vdev_psize;  in vdev_add_parent()
1339 	mvd->vdev_ashift = cvd->vdev_ashift;  in vdev_add_parent()
1340 	mvd->vdev_logical_ashift = cvd->vdev_logical_ashift;  in vdev_add_parent()
1341 	mvd->vdev_physical_ashift = cvd->vdev_physical_ashift;  in vdev_add_parent()
1342 	mvd->vdev_state = cvd->vdev_state;  in vdev_add_parent()
1343 	mvd->vdev_crtxg = cvd->vdev_crtxg;  in vdev_add_parent()
1345 	vdev_remove_child(pvd, cvd);  in vdev_add_parent()
1347 	cvd->vdev_id = mvd->vdev_children;  in vdev_add_parent()
1348 	vdev_add_child(mvd, cvd);  in vdev_add_parent()
1349 	vdev_top_update(cvd->vdev_top, cvd->vdev_top);  in vdev_add_parent()
1352 		vdev_top_transfer(cvd, mvd);  in vdev_add_parent()
1361 vdev_remove_parent(vdev_t *cvd)  in vdev_remove_parent()  argument
1363 	vdev_t *mvd = cvd->vdev_parent;  in vdev_remove_parent()
1366 	ASSERT(spa_config_held(cvd->vdev_spa, SCL_ALL, RW_WRITER) == SCL_ALL);  in vdev_remove_parent()
1372 	cvd->vdev_ashift = mvd->vdev_ashift;  in vdev_remove_parent()
1373 	cvd->vdev_logical_ashift = mvd->vdev_logical_ashift;  in vdev_remove_parent()
1374 	cvd->vdev_physical_ashift = mvd->vdev_physical_ashift;  in vdev_remove_parent()
1375 	vdev_remove_child(mvd, cvd);  in vdev_remove_parent()
1385 		uint64_t guid_delta = mvd->vdev_guid - cvd->vdev_guid;  in vdev_remove_parent()
1386 		cvd->vdev_orig_guid = cvd->vdev_guid;  in vdev_remove_parent()
1387 		cvd->vdev_guid += guid_delta;  in vdev_remove_parent()
1388 		cvd->vdev_guid_sum += guid_delta;  in vdev_remove_parent()
1398 		if (!cvd->vdev_spa->spa_autoexpand)  in vdev_remove_parent()
1399 			cvd->vdev_asize = mvd->vdev_asize;  in vdev_remove_parent()
1401 	cvd->vdev_id = mvd->vdev_id;  in vdev_remove_parent()
1402 	vdev_add_child(pvd, cvd);  in vdev_remove_parent()
1403 	vdev_top_update(cvd->vdev_top, cvd->vdev_top);  in vdev_remove_parent()
1405 	if (cvd == cvd->vdev_top)  in vdev_remove_parent()
1406 		vdev_top_transfer(mvd, cvd);  in vdev_remove_parent()
1893 		vdev_t *cvd = vd->vdev_child[c];  in vdev_open_children_impl()  local
1895 		if (open_func(cvd) == B_FALSE)  in vdev_open_children_impl()
1899 			cvd->vdev_open_error = vdev_open(cvd);  in vdev_open_children_impl()
1902 			    cvd, TQ_SLEEP) != TASKQID_INVALID);  in vdev_open_children_impl()
1905 		vd->vdev_nonrot &= cvd->vdev_nonrot;  in vdev_open_children_impl()
2318 		vdev_t *cvd = vd->vdev_child[c];  in vdev_validate()  local
2320 		if (tq == NULL || vdev_uses_zvols(cvd)) {  in vdev_validate()
2321 			vdev_validate_child(cvd);  in vdev_validate()
2323 			VERIFY(taskq_dispatch(tq, vdev_validate_child, cvd,  in vdev_validate()
3286 				vdev_t *cvd = vd->vdev_child[c];  in vdev_dtl_reassess()  local
3287 				mutex_enter(&cvd->vdev_dtl_lock);  in vdev_dtl_reassess()
3289 				    cvd->vdev_dtl[s], 1);  in vdev_dtl_reassess()
3290 				mutex_exit(&cvd->vdev_dtl_lock);  in vdev_dtl_reassess()
3588 			vdev_t *cvd = vd->vdev_child[c];  in vdev_resilver_needed()  local
3591 			if (vdev_resilver_needed(cvd, &cmin, &cmax)) {  in vdev_resilver_needed()
3652 		vdev_t *cvd = vd->vdev_child[c];  in vdev_load()  local
3654 		if (tq == NULL || vdev_uses_zvols(cvd)) {  in vdev_load()
3655 			cvd->vdev_load_error = vdev_load(cvd);  in vdev_load()
3658 			    cvd, TQ_SLEEP) != TASKQID_INVALID);  in vdev_load()
4602 vdev_get_child_stat(vdev_t *cvd, vdev_stat_t *vs, vdev_stat_t *cvs)  in vdev_get_child_stat()  argument
4608 	if (cvd->vdev_ops == &vdev_draid_spare_ops)  in vdev_get_child_stat()
4616 	cvs->vs_scan_removing = cvd->vdev_removing;  in vdev_get_child_stat()
4623 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
4625 	(void) cvd;  in vdev_get_child_stat_ex()
4696 			vdev_t *cvd = vd->vdev_child[c];  in vdev_get_stats_ex_impl()  local
4697 			vdev_stat_t *cvs = &cvd->vdev_stat;  in vdev_get_stats_ex_impl()
4698 			vdev_stat_ex_t *cvsx = &cvd->vdev_stat_ex;  in vdev_get_stats_ex_impl()
4700 			vdev_get_stats_ex_impl(cvd, cvs, cvsx);  in vdev_get_stats_ex_impl()
4702 				vdev_get_child_stat(cvd, vs, cvs);  in vdev_get_stats_ex_impl()
4704 				vdev_get_child_stat_ex(cvd, vsx, cvsx);  in vdev_get_stats_ex_impl()
5548 	vdev_t *cvd, *pvd = vd->vdev_parent;  in vdev_split()  local
5557 	cvd = pvd->vdev_child[0];  in vdev_split()
5559 		vdev_remove_parent(cvd);  in vdev_split()
5560 		cvd->vdev_splitting = B_TRUE;  in vdev_split()
5562 	vdev_propagate_state(cvd);  in vdev_split()
5569 		vdev_t *cvd = vd->vdev_child[c];  in vdev_deadman()  local
5571 		vdev_deadman(cvd, tag);  in vdev_deadman()
5621 		vdev_t *cvd = vd->vdev_child[c];  in vdev_clear_resilver_deferred()  local
5622 		resilver_needed |= vdev_clear_resilver_deferred(cvd, tx);  in vdev_clear_resilver_deferred()