NFSV4CRSESS_CONNBACKCHAN
crflags |= NFSV4CRSESS_CONNBACKCHAN;
sep->sess_crflags &= NFSV4CRSESS_CONNBACKCHAN;
sep->sess_crflags |= NFSV4CRSESS_CONNBACKCHAN;
sep->sess_crflags &= ~NFSV4CRSESS_CONNBACKCHAN;
if ((sep->sess_crflags & NFSV4CRSESS_CONNBACKCHAN) != 0)
(nsep->sess_crflags & NFSV4CRSESS_CONNBACKCHAN) != 0)
if ((nsep->sess_crflags & NFSV4CRSESS_CONNBACKCHAN)
nsep->sess_crflags &= ~NFSV4CRSESS_CONNBACKCHAN;