SUNRPC: Make rpc_ping() static

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>

include/linux/sunrpc/clnt.h

@@ -136,7 +136,6 @@ void		rpc_clnt_sigunmask(struct rpc_clnt *clnt, sigset_t *oldset);
 void		rpc_setbufsize(struct rpc_clnt *, unsigned int, unsigned int);
 size_t		rpc_max_payload(struct rpc_clnt *);
 void		rpc_force_rebind(struct rpc_clnt *);
-int		rpc_ping(struct rpc_clnt *clnt, int flags);
 size_t		rpc_peeraddr(struct rpc_clnt *, struct sockaddr *, size_t);
 char *		rpc_peeraddr2str(struct rpc_clnt *, enum rpc_display_format_t);
 

net/sunrpc/clnt.c

@@ -72,6 +72,8 @@ static void	call_connect_status(struct rpc_task *task);
 static __be32 *	call_header(struct rpc_task *task);
 static __be32 *	call_verify(struct rpc_task *task);
 
+static int	rpc_ping(struct rpc_clnt *clnt, int flags);
+
 static void rpc_register_client(struct rpc_clnt *clnt)
 {
 	spin_lock(&rpc_client_lock);
@@ -1441,7 +1443,7 @@ static struct rpc_procinfo rpcproc_null = {
 	.p_decode = rpcproc_decode_null,
 };
 
-int rpc_ping(struct rpc_clnt *clnt, int flags)
+static int rpc_ping(struct rpc_clnt *clnt, int flags)
 {
 	struct rpc_message msg = {
 		.rpc_proc = &rpcproc_null,