nfsd3_readargs
struct nfsd3_readargs *argp = rqstp->rq_argp;
.pc_argsize = sizeof(struct nfsd3_readargs),
.pc_argzero = sizeof(struct nfsd3_readargs),
struct nfsd3_readargs *args = rqstp->rq_argp;
struct nfsd3_readargs readargs;