MDS_NOT_REQUIRED
if (mds_support & MDS_NOT_REQUIRED)
if (mds_mode & MDS_NOT_REQUIRED)
MDS_NOT_REQUIRED;
if (mds & MDS_NOT_REQUIRED) {
mds &= ~MDS_NOT_REQUIRED;
mds |= MDS_NOT_REQUIRED;
if ((mds_support & MDS_NOT_REQUIRED) == 0 &&
rv = MDS_NOT_REQUIRED;
rv = MDS_NOT_REQUIRED;