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-rw-r--r--net/tipc/socket.c32
1 files changed, 18 insertions, 14 deletions
diff --git a/net/tipc/socket.c b/net/tipc/socket.c
index c03a3d33806f..73c2f518a7c0 100644
--- a/net/tipc/socket.c
+++ b/net/tipc/socket.c
@@ -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)