net: Convert net_ratelimit uses to net_<level>_ratelimited

Standardize the net core ratelimited logging functions.

Coalesce formats, align arguments.
Change a printk then vprintk sequence to use printf extension %pV.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

3 files changed, 23 insertions, 36 deletions

diff --git a/net/sunrpc/svc.c b/net/sunrpc/svc.c
index 4153846..017c011 100644
--- a/net/sunrpc/svc.c
+++ b/net/sunrpc/svc.c
@@ -1041,23 +1041,21 @@ static void svc_unregister(const struct svc_serv *serv, struct net *net)
  * Printk the given error with the address of the client that caused it.
  */
 static __printf(2, 3)
-int svc_printk(struct svc_rqst *rqstp, const char *fmt, ...)
+void svc_printk(struct svc_rqst *rqstp, const char *fmt, ...)
 {
+	struct va_format vaf;
 	va_list args;
-	int 	r;
 	char 	buf[RPC_MAX_ADDRBUFLEN];
 
-	if (!net_ratelimit())
-		return 0;
+	va_start(args, fmt);
 
-	printk(KERN_WARNING "svc: %s: ",
-		svc_print_addr(rqstp, buf, sizeof(buf)));
+	vaf.fmt = fmt;
+	vaf.va = &args;
 
-	va_start(args, fmt);
-	r = vprintk(fmt, args);
-	va_end(args);
+	net_warn_ratelimited("svc: %s: %pV",
+			     svc_print_addr(rqstp, buf, sizeof(buf)), &vaf);
 
-	return r;
+	va_end(args);
 }
 
 /*
diff --git a/net/sunrpc/svc_xprt.c b/net/sunrpc/svc_xprt.c
index 4bda09d..b98ee35 100644
--- a/net/sunrpc/svc_xprt.c
+++ b/net/sunrpc/svc_xprt.c
@@ -544,14 +544,11 @@ static void svc_check_conn_limits(struct svc_serv *serv)
 		struct svc_xprt *xprt = NULL;
 		spin_lock_bh(&serv->sv_lock);
 		if (!list_empty(&serv->sv_tempsocks)) {
-			if (net_ratelimit()) {
-				/* Try to help the admin */
-				printk(KERN_NOTICE "%s: too many open  "
-				       "connections, consider increasing %s\n",
-				       serv->sv_name, serv->sv_maxconn ?
-				       "the max number of connections." :
-				       "the number of threads.");
-			}
+			/* Try to help the admin */
+			net_notice_ratelimited("%s: too many open connections, consider increasing the %s\n",
+					       serv->sv_name, serv->sv_maxconn ?
+					       "max number of connections" :
+					       "number of threads");
 			/*
 			 * Always select the oldest connection. It's not fair,
 			 * but so is life
diff --git a/net/sunrpc/svcsock.c b/net/sunrpc/svcsock.c
index f0132b2..a6de09d 100644
--- a/net/sunrpc/svcsock.c
+++ b/net/sunrpc/svcsock.c
@@ -617,11 +617,8 @@ static int svc_udp_recvfrom(struct svc_rqst *rqstp)
 	rqstp->rq_prot = IPPROTO_UDP;
 
 	if (!svc_udp_get_dest_address(rqstp, cmh)) {
-		if (net_ratelimit())
-			printk(KERN_WARNING
-				"svc: received unknown control message %d/%d; "
-				"dropping RPC reply datagram\n",
-					cmh->cmsg_level, cmh->cmsg_type);
+		net_warn_ratelimited("svc: received unknown control message %d/%d; dropping RPC reply datagram\n",
+				     cmh->cmsg_level, cmh->cmsg_type);
 		skb_free_datagram_locked(svsk->sk_sk, skb);
 		return 0;
 	}
@@ -871,18 +868,17 @@ static struct svc_xprt *svc_tcp_accept(struct svc_xprt *xprt)
 		if (err == -ENOMEM)
 			printk(KERN_WARNING "%s: no more sockets!\n",
 			       serv->sv_name);
-		else if (err != -EAGAIN && net_ratelimit())
-			printk(KERN_WARNING "%s: accept failed (err %d)!\n",
-				   serv->sv_name, -err);
+		else if (err != -EAGAIN)
+			net_warn_ratelimited("%s: accept failed (err %d)!\n",
+					     serv->sv_name, -err);
 		return NULL;
 	}
 	set_bit(XPT_CONN, &svsk->sk_xprt.xpt_flags);
 
 	err = kernel_getpeername(newsock, sin, &slen);
 	if (err < 0) {
-		if (net_ratelimit())
-			printk(KERN_WARNING "%s: peername failed (err %d)!\n",
-				   serv->sv_name, -err);
+		net_warn_ratelimited("%s: peername failed (err %d)!\n",
+				     serv->sv_name, -err);
 		goto failed;		/* aborted connection or whatever */
 	}
 
@@ -1012,19 +1008,15 @@ static int svc_tcp_recv_record(struct svc_sock *svsk, struct svc_rqst *rqstp)
 			 *  bit set in the fragment length header.
 			 *  But apparently no known nfs clients send fragmented
 			 *  records. */
-			if (net_ratelimit())
-				printk(KERN_NOTICE "RPC: multiple fragments "
-					"per record not supported\n");
+			net_notice_ratelimited("RPC: multiple fragments per record not supported\n");
 			goto err_delete;
 		}
 
 		svsk->sk_reclen &= RPC_FRAGMENT_SIZE_MASK;
 		dprintk("svc: TCP record, %d bytes\n", svsk->sk_reclen);
 		if (svsk->sk_reclen > serv->sv_max_mesg) {
-			if (net_ratelimit())
-				printk(KERN_NOTICE "RPC: "
-					"fragment too large: 0x%08lx\n",
-					(unsigned long)svsk->sk_reclen);
+			net_notice_ratelimited("RPC: fragment too large: 0x%08lx\n",
+					       (unsigned long)svsk->sk_reclen);
 			goto err_delete;
 		}
 	}