diff options
| author | Arnaldo Carvalho de Melo <acme@ghostprotocols.net> | 2005-08-09 20:08:09 -0700 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2005-08-29 15:41:49 -0700 |
| commit | f3f05f7046e7c85b04af390d95a82a27160dd5d0 (patch) | |
| tree | 9a4a552c030ea8b2428ceee75311d73a6b339255 /include/net/tcp.h | |
| parent | 6e04e02165a7209a71db553b7bc48d68421e5ebf (diff) | |
[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>
Diffstat (limited to 'include/net/tcp.h')
| -rw-r--r-- | include/net/tcp.h | 21 |
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; |