From 7d0742da1c8f5df3a34030f0170b30d1a052be80 Mon Sep 17 00:00:00 2001
From: Patrick McHardy <kaber@trash.net>
Date: Thu, 31 Jan 2008 04:38:19 -0800
Subject: [NETFILTER]: nf_conntrack_expect: use RCU for expectation hash

Use RCU for expectation hash. This doesn't buy much for conntrack
runtime performance, but allows to reduce the use of nf_conntrack_lock
for /proc and nf_netlink_conntrack.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/net/netfilter/nf_conntrack_expect.h | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'include')

diff --git a/include/net/netfilter/nf_conntrack_expect.h b/include/net/netfilter/nf_conntrack_expect.h
index 6c3fd25..cb608a1 100644
--- a/include/net/netfilter/nf_conntrack_expect.h
+++ b/include/net/netfilter/nf_conntrack_expect.h
@@ -49,6 +49,8 @@ struct nf_conntrack_expect
 	/* Direction relative to the master connection. */
 	enum ip_conntrack_dir dir;
 #endif
+
+	struct rcu_head rcu;
 };
 
 #define NF_CT_EXPECT_PERMANENT 0x1
-- 
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