VDEV_TOP_ZAP_OBSOLETE_COUNTS_ARE_PRECISE
VDEV_TOP_ZAP_OBSOLETE_COUNTS_ARE_PRECISE, sizeof (val), 1, &val);
VDEV_TOP_ZAP_OBSOLETE_COUNTS_ARE_PRECISE, tx));
VDEV_TOP_ZAP_OBSOLETE_COUNTS_ARE_PRECISE, sizeof (one), 1,