svc: Move sk_reserved to svc_xprt

This functionally trivial patch moves the sk_reserved field to the
transport independent svc_xprt structure.

Signed-off-by: Tom Tucker <tom@opengridcomputing.com>
Acked-by: Neil Brown <neilb@suse.de>
Reviewed-by: Chuck Lever <chuck.lever@oracle.com>
Reviewed-by: Greg Banks <gnb@sgi.com>
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>

include/linux/sunrpc/svc_xprt.h

@@ -53,6 +53,7 @@ struct svc_xprt {
 
 	struct svc_pool		*xpt_pool;	/* current pool iff queued */
 	struct svc_serv		*xpt_server;	/* service for transport */
+	atomic_t    	    	xpt_reserved;	/* space on outq that is rsvd */
 };
 
 int	svc_reg_xprt_class(struct svc_xprt_class *);

include/linux/sunrpc/svcsock.h

@@ -20,8 +20,6 @@ struct svc_sock {
 	struct socket *		sk_sock;	/* berkeley socket layer */
 	struct sock *		sk_sk;		/* INET layer */
 
-	atomic_t    	    	sk_reserved;	/* space on outq that is reserved */
-
 	spinlock_t		sk_lock;	/* protects sk_deferred and
 						 * sk_info_authunix */
 	struct list_head	sk_deferred;	/* deferred requests that need to

net/sunrpc/svcsock.c

@@ -288,7 +288,7 @@ svc_sock_enqueue(struct svc_sock *svsk)
 		rqstp->rq_sock = svsk;
 		svc_xprt_get(&svsk->sk_xprt);
 		rqstp->rq_reserved = serv->sv_max_mesg;
-		atomic_add(rqstp->rq_reserved, &svsk->sk_reserved);
+		atomic_add(rqstp->rq_reserved, &svsk->sk_xprt.xpt_reserved);
 		BUG_ON(svsk->sk_xprt.xpt_pool != pool);
 		wake_up(&rqstp->rq_wait);
 	} else {
@@ -353,7 +353,7 @@ void svc_reserve(struct svc_rqst *rqstp, int space)
 
 	if (space < rqstp->rq_reserved) {
 		struct svc_sock *svsk = rqstp->rq_sock;
-		atomic_sub((rqstp->rq_reserved - space), &svsk->sk_reserved);
+		atomic_sub((rqstp->rq_reserved - space), &svsk->sk_xprt.xpt_reserved);
 		rqstp->rq_reserved = space;
 
 		svc_sock_enqueue(svsk);
@@ -881,7 +881,7 @@ static int svc_udp_has_wspace(struct svc_xprt *xprt)
 	 * sock space.
 	 */
 	set_bit(SOCK_NOSPACE, &svsk->sk_sock->flags);
-	required = atomic_read(&svsk->sk_reserved) + serv->sv_max_mesg;
+	required = atomic_read(&svsk->sk_xprt.xpt_reserved) + serv->sv_max_mesg;
 	if (required*2 > sock_wspace(svsk->sk_sk))
 		return 0;
 	clear_bit(SOCK_NOSPACE, &svsk->sk_sock->flags);
@@ -1327,7 +1327,7 @@ static int svc_tcp_has_wspace(struct svc_xprt *xprt)
 	 * sock space.
 	 */
 	set_bit(SOCK_NOSPACE, &svsk->sk_sock->flags);
-	required = atomic_read(&svsk->sk_reserved) + serv->sv_max_mesg;
+	required = atomic_read(&svsk->sk_xprt.xpt_reserved) + serv->sv_max_mesg;
 	wspace = sk_stream_wspace(svsk->sk_sk);
 
 	if (wspace < sk_stream_min_wspace(svsk->sk_sk))
@@ -1544,7 +1544,7 @@ svc_recv(struct svc_rqst *rqstp, long timeout)
 		rqstp->rq_sock = svsk;
 		svc_xprt_get(&svsk->sk_xprt);
 		rqstp->rq_reserved = serv->sv_max_mesg;
-		atomic_add(rqstp->rq_reserved, &svsk->sk_reserved);
+		atomic_add(rqstp->rq_reserved, &svsk->sk_xprt.xpt_reserved);
 	} else {
 		/* No data pending. Go to sleep */
 		svc_thread_enqueue(pool, rqstp);