DA_ZONE_DRIVE_MANAGED
case DA_ZONE_DRIVE_MANAGED:
softc->zone_mode = DA_ZONE_DRIVE_MANAGED;
case DA_ZONE_DRIVE_MANAGED:
softc->zone_mode =DA_ZONE_DRIVE_MANAGED;
softc->zone_mode =DA_ZONE_DRIVE_MANAGED;
DA_ZONE_DRIVE_MANAGED;