rs_setup_recovery
rs_setup_recovery(rs, 0);
rs_setup_recovery(rs, MaxSector);
rs_setup_recovery(rs, MaxSector);
rs_setup_recovery(rs, MaxSector);
rs_setup_recovery(rs, rs->md.resync_offset < rs->md.dev_sectors ? rs->md.resync_offset : rs->md.dev_sectors);