netdev - [PATCH] rfs: call sock_rps_record_flow() in tcp_splice

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Message-Id: <1279004412-11094-1-git-send-email-xiaosuo@gmail.com>
Date:	Tue, 13 Jul 2010 15:00:12 +0800
From:	Changli Gao <xiaosuo@...il.com>
To:	"David S. Miller" <davem@...emloft.net>
Cc:	"David S. Miller" <davem@...emloft.net>,
	Alexey Kuznetsov <kuznet@....inr.ac.ru>,
	"Pekka Savola (ipv6)" <pekkas@...core.fi>,
	James Morris <jmorris@...ei.org>,
	Hideaki YOSHIFUJI <yoshfuji@...ux-ipv6.org>,
	Patrick McHardy <kaber@...sh.net>,
	Tom Herbert <therbert@...gle.com>, netdev@...r.kernel.org,
	Changli Gao <xiaosuo@...il.com>
Subject: [PATCH] rfs: call sock_rps_record_flow() in tcp_splice_read()

rfs: call sock_rps_record_flow() in tcp_splice_read()

call sock_rps_record_flow() in tcp_splice_read(), so the applications using
splice(2) or sendfile(2) can utilize RFS.

Signed-off-by: Changli Gao <xiaosuo@...il.com>
----
 net/ipv4/tcp.c |    1 +
 1 file changed, 1 insertion(+)
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index 9fce8a8..86b9f67 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
 	 */
--
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