commit 6cca7289d5cba80d61da711205cd230fc637e2e3
author Herbert Xu <herbert@gondor.apana.org.au> Fri Mar 20 21:57:05 2015 +1100
committer David S. Miller <davem@davemloft.net> Fri Mar 20 16:16:24 2015 -0400
tree 4bf46b5a809bd839c4948282140f2b45a9b89b61
parent b182aa6e967e8272a3ba718a89697f661915be7a

tipc: Use inlined rhashtable interface

This patch converts tipc to the inlined rhashtable interface.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/tipc/socket.c

diff --git a/net/tipc/socket.c b/net/tipc/socket.c
index c03a3d3..73c2f51 100644
--- a/net/tipc/socket.c
+++ b/net/tipc/socket.c
@@ -133,6 +133,8 @@
 	[TIPC_NLA_SOCK_HAS_PUBL]	= { .type = NLA_FLAG }
 };
 
+static const struct rhashtable_params tsk_rht_params;
+
 /*
  * Revised TIPC socket locking policy:
  *
@@ -2245,7 +2247,7 @@
 	struct tipc_sock *tsk;
 
 	rcu_read_lock();
-	tsk = rhashtable_lookup(&tn->sk_rht, &portid);
+	tsk = rhashtable_lookup_fast(&tn->sk_rht, &portid, tsk_rht_params);
 	if (tsk)
 		sock_hold(&tsk->sk);
 	rcu_read_unlock();
@@ -2267,7 +2269,8 @@
 			portid = TIPC_MIN_PORT;
 		tsk->portid = portid;
 		sock_hold(&tsk->sk);
-		if (rhashtable_lookup_insert(&tn->sk_rht, &tsk->node))
+		if (!rhashtable_lookup_insert_fast(&tn->sk_rht, &tsk->node,
+						   tsk_rht_params))
 			return 0;
 		sock_put(&tsk->sk);
 	}
@@ -2280,26 +2283,27 @@
 	struct sock *sk = &tsk->sk;
 	struct tipc_net *tn = net_generic(sock_net(sk), tipc_net_id);
 
-	if (rhashtable_remove(&tn->sk_rht, &tsk->node)) {
+	if (!rhashtable_remove_fast(&tn->sk_rht, &tsk->node, tsk_rht_params)) {
 		WARN_ON(atomic_read(&sk->sk_refcnt) == 1);
 		__sock_put(sk);
 	}
 }
 
+static const struct rhashtable_params tsk_rht_params = {
+	.nelem_hint = 192,
+	.head_offset = offsetof(struct tipc_sock, node),
+	.key_offset = offsetof(struct tipc_sock, portid),
+	.key_len = sizeof(u32), /* portid */
+	.hashfn = jhash,
+	.max_size = 1048576,
+	.min_size = 256,
+};
+
 int tipc_sk_rht_init(struct net *net)
 {
 	struct tipc_net *tn = net_generic(net, tipc_net_id);
-	struct rhashtable_params rht_params = {
-		.nelem_hint = 192,
-		.head_offset = offsetof(struct tipc_sock, node),
-		.key_offset = offsetof(struct tipc_sock, portid),
-		.key_len = sizeof(u32), /* portid */
-		.hashfn = jhash,
-		.max_size = 1048576,
-		.min_size = 256,
-	};
 
-	return rhashtable_init(&tn->sk_rht, &rht_params);
+	return rhashtable_init(&tn->sk_rht, &tsk_rht_params);
 }
 
 void tipc_sk_rht_destroy(struct net *net)