258 	vdev_t *pvd = vd->vdev_parent;  in vdev_get_min_asize()  local
264 	if (pvd == NULL)  in vdev_get_min_asize()
278 	if (pvd->vdev_ops == &vdev_raidz_ops)  in vdev_get_min_asize()
279 		return ((pvd->vdev_min_asize + pvd->vdev_children - 1) /  in vdev_get_min_asize()
280 		    pvd->vdev_children);  in vdev_get_min_asize()
282 	return (pvd->vdev_min_asize);  in vdev_get_min_asize()
352 vdev_add_child(vdev_t *pvd, vdev_t *cvd)  in vdev_add_child()  argument
362 	cvd->vdev_parent = pvd;  in vdev_add_child()
364 	if (pvd == NULL)  in vdev_add_child()
367 	ASSERT(id >= pvd->vdev_children || pvd->vdev_child[id] == NULL);  in vdev_add_child()
369 	oldsize = pvd->vdev_children * sizeof (vdev_t *);  in vdev_add_child()
370 	pvd->vdev_children = MAX(pvd->vdev_children, id + 1);  in vdev_add_child()
371 	newsize = pvd->vdev_children * sizeof (vdev_t *);  in vdev_add_child()
374 	if (pvd->vdev_child != NULL) {  in vdev_add_child()
375 		bcopy(pvd->vdev_child, newchild, oldsize);  in vdev_add_child()
376 		kmem_free(pvd->vdev_child, oldsize);  in vdev_add_child()
379 	pvd->vdev_child = newchild;  in vdev_add_child()
380 	pvd->vdev_child[id] = cvd;  in vdev_add_child()
382 	cvd->vdev_top = (pvd->vdev_top ? pvd->vdev_top: cvd);  in vdev_add_child()
388 	for (; pvd != NULL; pvd = pvd->vdev_parent)  in vdev_add_child()
389 		pvd->vdev_guid_sum += cvd->vdev_guid_sum;  in vdev_add_child()
398 vdev_remove_child(vdev_t *pvd, vdev_t *cvd)  in vdev_remove_child()  argument
403 	ASSERT(cvd->vdev_parent == pvd);  in vdev_remove_child()
405 	if (pvd == NULL)  in vdev_remove_child()
408 	ASSERT(id < pvd->vdev_children);  in vdev_remove_child()
409 	ASSERT(pvd->vdev_child[id] == cvd);  in vdev_remove_child()
411 	pvd->vdev_child[id] = NULL;  in vdev_remove_child()
414 	for (c = 0; c < pvd->vdev_children; c++)  in vdev_remove_child()
415 		if (pvd->vdev_child[c])  in vdev_remove_child()
418 	if (c == pvd->vdev_children) {  in vdev_remove_child()
419 		kmem_free(pvd->vdev_child, c * sizeof (vdev_t *));  in vdev_remove_child()
420 		pvd->vdev_child = NULL;  in vdev_remove_child()
421 		pvd->vdev_children = 0;  in vdev_remove_child()
433 	for (; pvd != NULL; pvd = pvd->vdev_parent)  in vdev_remove_child()
434 		pvd->vdev_guid_sum -= cvd->vdev_guid_sum;  in vdev_remove_child()
441 vdev_compact_children(vdev_t *pvd)  in vdev_compact_children()  argument
444 	int oldc = pvd->vdev_children;  in vdev_compact_children()
447 	ASSERT(spa_config_held(pvd->vdev_spa, SCL_ALL, RW_WRITER) == SCL_ALL);  in vdev_compact_children()
450 		if (pvd->vdev_child[c])  in vdev_compact_children()
459 		kmem_free(pvd->vdev_child, oldc * sizeof (vdev_t *));  in vdev_compact_children()
460 		pvd->vdev_child = NULL;  in vdev_compact_children()
461 		pvd->vdev_children = newc;  in vdev_compact_children()
468 		if ((cvd = pvd->vdev_child[c]) != NULL) {  in vdev_compact_children()
474 	kmem_free(pvd->vdev_child, oldc * sizeof (vdev_t *));  in vdev_compact_children()
475 	pvd->vdev_child = newchild;  in vdev_compact_children()
476 	pvd->vdev_children = newc;  in vdev_compact_children()
1089 	vdev_t *pvd = cvd->vdev_parent;  in vdev_add_parent()  local
1104 	vdev_remove_child(pvd, cvd);  in vdev_add_parent()
1105 	vdev_add_child(pvd, mvd);  in vdev_add_parent()
1123 	vdev_t *pvd = mvd->vdev_parent;  in vdev_remove_parent()  local
1134 	vdev_remove_child(pvd, mvd);  in vdev_remove_parent()
1149 	vdev_add_child(pvd, cvd);  in vdev_remove_parent()
2116 	vdev_t *pvd = vd->vdev_parent;  in vdev_close()  local
2124 	if (pvd != NULL && pvd->vdev_reopening)  in vdev_close()
2125 		vd->vdev_reopening = (pvd->vdev_reopening && !vd->vdev_offline);  in vdev_close()
3356 	vdev_t *vd, *tvd, *pvd, *rvd = spa->spa_root_vdev;  in vdev_online()  local
3379 		for (pvd = vd; pvd != rvd; pvd = pvd->vdev_parent)  in vdev_online()
3380 			pvd->vdev_expanding = !!(flags & ZFS_ONLINE_EXPAND);  in vdev_online()
3387 		for (pvd = vd; pvd != rvd; pvd = pvd->vdev_parent)  in vdev_online()
3388 			pvd->vdev_expanding = B_FALSE;  in vdev_online()
3902 	vdev_t *pvd;  in vdev_stat_update()  local
4063 			for (pvd = vd; pvd != rvd; pvd = pvd->vdev_parent)  in vdev_stat_update()
4064 				vdev_dtl_dirty(pvd, DTL_PARTIAL, txg, 1);  in vdev_stat_update()
4551 	vdev_t *cvd, *pvd = vd->vdev_parent;  in vdev_split()  local
4553 	vdev_remove_child(pvd, vd);  in vdev_split()
4554 	vdev_compact_children(pvd);  in vdev_split()
4556 	cvd = pvd->vdev_child[0];  in vdev_split()
4557 	if (pvd->vdev_children == 1) {  in vdev_split()
4673 	vdev_t *pvd = vd->vdev_parent;  in vdev_xlate()  local
4674 	ASSERT3P(pvd, !=, NULL);  in vdev_xlate()
4675 	ASSERT3P(pvd->vdev_ops->vdev_op_xlate, !=, NULL);  in vdev_xlate()
4683 	pvd->vdev_ops->vdev_op_xlate(vd, physical_rs, &intermediate);  in vdev_xlate()