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tipc: Use inlined rhashtable interface
authorHerbert Xu <herbert@gondor.apana.org.au>
Fri, 20 Mar 2015 10:57:05 +0000 (21:57 +1100)
committerDavid S. Miller <davem@davemloft.net>
Fri, 20 Mar 2015 20:16:24 +0000 (16:16 -0400)
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

index c03a3d3..73c2f51 100644 (file)
@@ -133,6 +133,8 @@ static const struct nla_policy tipc_nl_sock_policy[TIPC_NLA_SOCK_MAX + 1] = {
        [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 @@ static struct tipc_sock *tipc_sk_lookup(struct net *net, u32 portid)
        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 @@ static int tipc_sk_insert(struct tipc_sock *tsk)
                        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 @@ static void tipc_sk_remove(struct tipc_sock *tsk)
        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)