setup_geo
copies = setup_geo(&geo, mddev, geo_new);
if (setup_geo(&conf->prev, mddev, geo_old) != conf->copies) {
if (setup_geo(&geo, mddev, geo_start) != conf->copies)
if (setup_geo(&new, mddev, geo_start) != conf->copies)
setup_geo(&conf->geo, mddev, geo_start);