nfsd4_stid_check_stateid_generation
status = nfsd4_stid_check_stateid_generation(stateid, s, 1);
status = nfsd4_stid_check_stateid_generation(stateid, s,
status = nfsd4_stid_check_stateid_generation(stateid, &dp->dl_stid, nfsd4_has_session(cstate));