taglinefilesource code
rq_rlen448fs/nfs/proc.creq->rq_rlen = count + NFS_SLACK_SPACE;
rq_rlen391fs/nfs/rpcsock.cresult = rpc_recvmsg(rsock, iov, req->rq_rnr, req->rq_rlen, 0);
rq_rlen58fs/nfs/sock.creq.rq_rlen = size;
rq_rlen61include/linux/rpcsock.hunsigned long    rq_rlen;