vdev_initialize_stop_all
vdev_initialize_stop_all(root_vdev, VDEV_INITIALIZE_ACTIVE);
vdev_initialize_stop_all(rvd, VDEV_INITIALIZE_ACTIVE);
extern void vdev_initialize_stop_all(vdev_t *vd,
vdev_initialize_stop_all(vd, VDEV_INITIALIZE_CANCELED);
vdev_initialize_stop_all(vd, VDEV_INITIALIZE_ACTIVE);