154 	vdev_t *rvd = spa->spa_root_vdev;  in vdev_lookup_top()  local
158 	if (vdev < rvd->vdev_children) {  in vdev_lookup_top()
159 		ASSERT(rvd->vdev_child[vdev] != NULL);  in vdev_lookup_top()
160 		return (rvd->vdev_child[vdev]);  in vdev_lookup_top()
2366 	vdev_t *vd, *tvd, *pvd, *rvd = spa->spa_root_vdev;  in vdev_online()  local
2389 		for (pvd = vd; pvd != rvd; pvd = pvd->vdev_parent)  in vdev_online()
2397 		for (pvd = vd; pvd != rvd; pvd = pvd->vdev_parent)  in vdev_online()
2537 	vdev_t *rvd = spa->spa_root_vdev;  in vdev_clear()  local
2542 		vd = rvd;  in vdev_clear()
2571 		vdev_reopen(vd == rvd ? rvd : vd->vdev_top);  in vdev_clear()
2575 		if (vd != rvd && vdev_writeable(vd->vdev_top))  in vdev_clear()
2662 	vdev_t *rvd = spa->spa_root_vdev;  in vdev_get_stats()  local
2682 	if (vd == rvd) {  in vdev_get_stats()
2683 		for (int c = 0; c < rvd->vdev_children; c++) {  in vdev_get_stats()
2684 			vdev_t *cvd = rvd->vdev_child[c];  in vdev_get_stats()
2724 	vdev_t *rvd = spa->spa_root_vdev;  in vdev_stat_update()  local
2725 	vdev_t *vd = zio->io_vd ? zio->io_vd : rvd;  in vdev_stat_update()
2753 		if (vd == rvd)  in vdev_stat_update()
2851 			for (pvd = vd; pvd != rvd; pvd = pvd->vdev_parent)  in vdev_stat_update()
2855 		if (vd != rvd)  in vdev_stat_update()
2870 	vdev_t *rvd = spa->spa_root_vdev;  in vdev_space_update()  local
2894 		mutex_enter(&rvd->vdev_stat_lock);  in vdev_space_update()
2895 		rvd->vdev_stat.vs_alloc += alloc_delta;  in vdev_space_update()
2896 		rvd->vdev_stat.vs_space += space_delta;  in vdev_space_update()
2897 		rvd->vdev_stat.vs_dspace += dspace_delta;  in vdev_space_update()
2898 		mutex_exit(&rvd->vdev_stat_lock);  in vdev_space_update()
2902 		ASSERT(rvd == vd->vdev_parent);  in vdev_space_update()
2919 	vdev_t *rvd = spa->spa_root_vdev;  in vdev_config_dirty()  local
2976 	if (vd == rvd) {  in vdev_config_dirty()
2977 		for (c = 0; c < rvd->vdev_children; c++)  in vdev_config_dirty()
2978 			vdev_config_dirty(rvd->vdev_child[c]);  in vdev_config_dirty()
3049 	vdev_t *rvd = spa->spa_root_vdev;  in vdev_propagate_state()  local
3071 				if (child->vdev_islog && vd == rvd)  in vdev_propagate_state()
3091 		if (corrupted && vd == rvd &&  in vdev_propagate_state()
3092 		    rvd->vdev_state == VDEV_STATE_CANT_OPEN)  in vdev_propagate_state()
3093 			vdev_set_state(rvd, B_FALSE, VDEV_STATE_CANT_OPEN,  in vdev_propagate_state()