169 	vdev_t *mvd;  in vdev_lookup_by_guid()  local
175 		if ((mvd = vdev_lookup_by_guid(vd->vdev_child[c], guid)) !=  in vdev_lookup_by_guid()
177 			return (mvd);  in vdev_lookup_by_guid()
762 	vdev_t *mvd;  in vdev_add_parent()  local
766 	mvd = vdev_alloc_common(spa, cvd->vdev_id, 0, ops);  in vdev_add_parent()
768 	mvd->vdev_asize = cvd->vdev_asize;  in vdev_add_parent()
769 	mvd->vdev_min_asize = cvd->vdev_min_asize;  in vdev_add_parent()
770 	mvd->vdev_max_asize = cvd->vdev_max_asize;  in vdev_add_parent()
771 	mvd->vdev_ashift = cvd->vdev_ashift;  in vdev_add_parent()
772 	mvd->vdev_state = cvd->vdev_state;  in vdev_add_parent()
773 	mvd->vdev_crtxg = cvd->vdev_crtxg;  in vdev_add_parent()
776 	vdev_add_child(pvd, mvd);  in vdev_add_parent()
777 	cvd->vdev_id = mvd->vdev_children;  in vdev_add_parent()
778 	vdev_add_child(mvd, cvd);  in vdev_add_parent()
781 	if (mvd == mvd->vdev_top)  in vdev_add_parent()
782 		vdev_top_transfer(cvd, mvd);  in vdev_add_parent()
784 	return (mvd);  in vdev_add_parent()
793 	vdev_t *mvd = cvd->vdev_parent;  in vdev_remove_parent()  local
794 	vdev_t *pvd = mvd->vdev_parent;  in vdev_remove_parent()
798 	ASSERT(mvd->vdev_children == 1);  in vdev_remove_parent()
799 	ASSERT(mvd->vdev_ops == &vdev_mirror_ops ||  in vdev_remove_parent()
800 	    mvd->vdev_ops == &vdev_replacing_ops ||  in vdev_remove_parent()
801 	    mvd->vdev_ops == &vdev_spare_ops);  in vdev_remove_parent()
802 	cvd->vdev_ashift = mvd->vdev_ashift;  in vdev_remove_parent()
804 	vdev_remove_child(mvd, cvd);  in vdev_remove_parent()
805 	vdev_remove_child(pvd, mvd);  in vdev_remove_parent()
813 	if (mvd->vdev_top == mvd) {  in vdev_remove_parent()
814 		uint64_t guid_delta = mvd->vdev_guid - cvd->vdev_guid;  in vdev_remove_parent()
819 	cvd->vdev_id = mvd->vdev_id;  in vdev_remove_parent()
824 		vdev_top_transfer(mvd, cvd);  in vdev_remove_parent()
826 	ASSERT(mvd->vdev_children == 0);  in vdev_remove_parent()
827 	vdev_free(mvd);  in vdev_remove_parent()