vdev_labeltype_t
vdev_labeltype_t label)
extern int vdev_label_init(vdev_t *vd, uint64_t txg, vdev_labeltype_t reason);
vdev_inuse(vdev_t *vd, uint64_t crtxg, vdev_labeltype_t reason,
vdev_label_init(vdev_t *vd, uint64_t crtxg, vdev_labeltype_t reason)