Function spa_max_replication

freebsd/contrib/openzfs/module/zfs/spa_misc.c:1976–1987

}

int
spa_max_replication(spa_t *spa)
{
	/*
	 * As of SPA_VERSION == SPA_VERSION_DITTO_BLOCKS, we are able to
	 * handle BPs with more than one DVA allocated.  Set our max
	 * replication level accordingly.
	 */
	if (spa_version(spa) < SPA_VERSION_DITTO_BLOCKS)
		return (1);
	return (MIN(SPA_DVAS_PER_BP, spa_max_replication_override));
}

int
spa_prev_software_version(spa_t *spa)