sunrpc: get rid of rpc_rqst.rq_bufsize

rq_bufsize is not used.
Signed-off-by: Mike Sager <Mike.Sager@netapp.com>
Signed-off-by: Benny Halevy <bhalevy@panasas.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>

include/linux/sunrpc/xprt.h

@@ -76,8 +76,7 @@ struct rpc_rqst {
 	struct list_head	rq_list;
 
 	__u32 *			rq_buffer;	/* XDR encode buffer */
-	size_t			rq_bufsize,
-				rq_callsize,
+	size_t			rq_callsize,
 				rq_rcvsize;
 
 	struct xdr_buf		rq_private_buf;		/* The receive buffer