nfsd_map_name_to_gid
__be32 nfsd_map_name_to_gid(struct svc_rqst *, const char *, size_t, kgid_t *);
status = nfsd_map_name_to_gid(argp->rqstp,
status = nfsd_map_name_to_gid(argp->rqstp,
status = nfsd_map_name_to_gid(argp->rqstp, (char *)p, length,