[INET]: Generalise the tcp_listen_ lock routines

Signed-off-by: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 0 insertions, 21 deletions

diff --git a/include/net/tcp.h b/include/net/tcp.h
index 99e47695d4b6..bc110cc7022b 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -1447,27 +1447,6 @@ static __inline__ void tcp_openreq_init(struct request_sock *req,
 
 extern void tcp_enter_memory_pressure(void);
 
-extern void tcp_listen_wlock(void);
-
-/* - We may sleep inside this lock.
- * - If sleeping is not required (or called from BH),
- *   use plain read_(un)lock(&inet_hashinfo.lhash_lock).
- */
-
-static inline void tcp_listen_lock(void)
-{
-        /* read_lock synchronizes to candidates to writers */
-        read_lock(&tcp_hashinfo.lhash_lock);
-        atomic_inc(&tcp_hashinfo.lhash_users);
-        read_unlock(&tcp_hashinfo.lhash_lock);
-}
-
-static inline void tcp_listen_unlock(void)
-{
-        if (atomic_dec_and_test(&tcp_hashinfo.lhash_users))
-                wake_up(&tcp_hashinfo.lhash_wait);
-}
-
 static inline int keepalive_intvl_when(const struct tcp_sock *tp)
 {
         return tp->keepalive_intvl ? : sysctl_tcp_keepalive_intvl;