RDS: TCP: Synchronize accept() and connect() paths on t_conn_lock.

[deliverable/linux.git] / net / rds / tcp.h

diff --git a/net/rds/tcp.h b/net/rds/tcp.h
index 64f873c0c6b6d15574ec9771506d04e617a6aaac..41c228300525c029df02472b609ada1a71cea98e 100644 (file)
--- a/net/rds/tcp.h
+++ b/net/rds/tcp.h
@@ -12,6 +12,10 @@ struct rds_tcp_connection {
 
        struct list_head        t_tcp_node;
        struct rds_connection   *conn;
+       /* t_conn_lock synchronizes the connection establishment between
+        * rds_tcp_accept_one and rds_tcp_conn_connect
+        */
+       struct mutex            t_conn_lock;
        struct socket           *t_sock;
        void                    *t_orig_write_space;
        void                    *t_orig_data_ready;