1 files changed, 12 insertions, 16 deletions

diff --git a/include/linux/tcp.h b/include/linux/tcp.h
index 14a55e3e3a50..97a7c9e03df5 100644
--- a/include/linux/tcp.h
+++ b/include/linux/tcp.h
@@ -230,6 +230,17 @@ struct tcp_options_received {
         __u16   mss_clamp;      /* Maximal mss, negotiated at connection setup */
 };
 
+struct tcp_request_sock {
+        struct inet_request_sock req;
+        __u32                    rcv_isn;
+        __u32                    snt_isn;
+};
+
+static inline struct tcp_request_sock *tcp_rsk(const struct request_sock *req)
+{
+        return (struct tcp_request_sock *)req;
+}
+
 struct tcp_sock {
         /* inet_sock has to be the first member of tcp_sock */
         struct inet_sock        inet;
@@ -368,22 +379,7 @@ struct tcp_sock {
 
         __u32   total_retrans;  /* Total retransmits for entire connection */
 
-        /* The syn_wait_lock is necessary only to avoid proc interface having
-         * to grab the main lock sock while browsing the listening hash
-         * (otherwise it's deadlock prone).
-         * This lock is acquired in read mode only from listening_get_next()
-         * and it's acquired in write mode _only_ from code that is actively
-         * changing the syn_wait_queue. All readers that are holding
-         * the master sock lock don't need to grab this lock in read mode
-         * too as the syn_wait_queue writes are always protected from
-         * the main sock lock.
-         */
-        rwlock_t                syn_wait_lock;
-        struct tcp_listen_opt   *listen_opt;
-
-        /* FIFO of established children */
-        struct open_request     *accept_queue;
-        struct open_request     *accept_queue_tail;
+        struct request_sock_queue accept_queue; /* FIFO of established children */
 
         unsigned int            keepalive_time;   /* time before keep alive takes place */
         unsigned int            keepalive_intvl;  /* time interval between keep alive probes */