netdev - [PATCH]: rfs: record flow in TCP receiving and sending pathes

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Message-Id: <1278660498-26587-1-git-send-email-xiaosuo@gmail.com>
Date:	Fri,  9 Jul 2010 15:28:18 +0800
From:	Changli Gao <xiaosuo@...il.com>
To:	"David S. Miller" <davem@...emloft.net>
Cc:	Tom Herbert <therbert@...gle.com>, netdev@...r.kernel.org,
	Changli Gao <xiaosuo@...il.com>
Subject: [PATCH]: rfs: record flow in TCP receiving and sending pathes

rfs: record flow in TCP receiving and sending pathes

call sock_rps_record_flow() in function tcp_splice_read(), tcp_sendpage() and
tcp_sendmsg().

Signed-off-by: Changli Gao <xiaosuo@...il.com>
----
 net/ipv4/tcp.c |    3 +++
 1 file changed, 3 insertions(+)
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index 4e6ddfb..47537d8 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -608,6 +608,7 @@ ssize_t tcp_splice_read(struct socket *sock, loff_t *ppos,
 	ssize_t spliced;
 	int ret;
 
+	sock_rps_record_flow(sk);
 	/*
 	 * We can't seek on a socket input
 	 */
@@ -862,6 +863,7 @@ ssize_t tcp_sendpage(struct socket *sock, struct page *page, int offset,
 	ssize_t res;
 	struct sock *sk = sock->sk;
 
+	sock_rps_record_flow(sk);
 	if (!(sk->sk_route_caps & NETIF_F_SG) ||
 	    !(sk->sk_route_caps & NETIF_F_ALL_CSUM))
 		return sock_no_sendpage(sock, page, offset, size, flags);
@@ -909,6 +911,7 @@ int tcp_sendmsg(struct kiocb *iocb, struct socket *sock, struct msghdr *msg,
 	int sg, err, copied;
 	long timeo;
 
+	sock_rps_record_flow(sk);
 	lock_sock(sk);
 	TCP_CHECK_TIMER(sk);
 
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