MPT_RDF_UP2DATE
if ((mpt_disk->flags & (MPT_RDF_ACTIVE|MPT_RDF_UP2DATE))
!= (MPT_RDF_ACTIVE|MPT_RDF_UP2DATE)) {
if ((mpt_disk->flags & MPT_RDF_UP2DATE) != 0)
mpt_disk->flags |= MPT_RDF_UP2DATE;
mpt_disk->flags &= ~MPT_RDF_UP2DATE;