vdev_label_init
(error = vdev_label_init(vd, crtxg, label)) == 0) {
error = vdev_label_init(vd, 0, VDEV_LABEL_REMOVE);
extern int vdev_label_init(vdev_t *vd, uint64_t txg, vdev_labeltype_t reason);
(error = vdev_label_init(vd, txg, isreplacing ?
if ((error = vdev_label_init(vd->vdev_child[c],
(void) vdev_label_init(vd, 0, VDEV_LABEL_REMOVE);
(void) vdev_label_init(vd, 0, VDEV_LABEL_REMOVE);