459 	vdev_t *rvd = spa->spa_root_vdev;  in vdev_lookup_top()  local
463 	if (vdev < rvd->vdev_children) {  in vdev_lookup_top()
464 		ASSERT(rvd->vdev_child[vdev] != NULL);  in vdev_lookup_top()
465 		return (rvd->vdev_child[vdev]);  in vdev_lookup_top()
4290 	vdev_t *vd, *tvd, *pvd, *rvd = spa->spa_root_vdev;  in vdev_online()  local
4310 		for (pvd = vd; pvd != rvd; pvd = pvd->vdev_parent)  in vdev_online()
4320 		for (pvd = vd; pvd != rvd; pvd = pvd->vdev_parent)  in vdev_online()
4514 	vdev_t *rvd = spa->spa_root_vdev;  in vdev_clear()  local
4519 		vd = rvd;  in vdev_clear()
4556 		vdev_reopen(vd == rvd ? rvd : vd->vdev_top);  in vdev_clear()
4560 		if (vd != rvd && vdev_writeable(vd->vdev_top))  in vdev_clear()
4890 	vdev_t *rvd = spa->spa_root_vdev;  in vdev_stat_update()  local
4891 	vdev_t *vd = zio->io_vd ? zio->io_vd : rvd;  in vdev_stat_update()
4926 		if (vd == rvd)  in vdev_stat_update()
5092 			for (pvd = vd; pvd != rvd; pvd = pvd->vdev_parent)  in vdev_stat_update()
5096 		if (vd != rvd)  in vdev_stat_update()
5121 	vdev_t *rvd = spa->spa_root_vdev;  in vdev_space_update()  local
5147 		mutex_enter(&rvd->vdev_stat_lock);  in vdev_space_update()
5148 		rvd->vdev_stat.vs_alloc += alloc_delta;  in vdev_space_update()
5149 		rvd->vdev_stat.vs_space += space_delta;  in vdev_space_update()
5150 		rvd->vdev_stat.vs_dspace += dspace_delta;  in vdev_space_update()
5151 		mutex_exit(&rvd->vdev_stat_lock);  in vdev_space_update()
5165 	vdev_t *rvd = spa->spa_root_vdev;  in vdev_config_dirty()  local
5222 	if (vd == rvd) {  in vdev_config_dirty()
5223 		for (c = 0; c < rvd->vdev_children; c++)  in vdev_config_dirty()
5224 			vdev_config_dirty(rvd->vdev_child[c]);  in vdev_config_dirty()
5297 	vdev_t *rvd = spa->spa_root_vdev;  in vdev_propagate_state()  local
5320 				if (child->vdev_islog && vd == rvd)  in vdev_propagate_state()
5340 		if (corrupted && vd == rvd &&  in vdev_propagate_state()
5341 		    rvd->vdev_state == VDEV_STATE_CANT_OPEN)  in vdev_propagate_state()
5342 			vdev_set_state(rvd, B_FALSE, VDEV_STATE_CANT_OPEN,  in vdev_propagate_state()