Re: [RFT 4/4] netfilter: Get rid of central rwlock in tcp conntracking

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Stephen Hemminger wrote:

@@ -50,6 +50,7 @@ struct ip_ct_tcp_state {
struct ip_ct_tcp
 {
+	spinlock_t	lock;
 	struct ip_ct_tcp_state seen[2];	/* connection parameters per direction */
 	u_int8_t	state;		/* state of the connection (enum tcp_conntrack) */
 	/* For detecting stale connections */

Eric already posted a patch to use an array of locks, which is
a better approach IMO since it keeps the size of the conntrack
entries down.
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