1 files changed, 9 insertions, 1 deletions

diff --git a/include/linux/sunrpc/xprt.h b/include/linux/sunrpc/xprt.h
index b3ff9a815e6f..4d80a118d538 100644
--- a/include/linux/sunrpc/xprt.h
+++ b/include/linux/sunrpc/xprt.h
@@ -86,6 +86,10 @@ struct rpc_rqst {
         unsigned long           rq_majortimeo;  /* major timeout alarm */
         unsigned long           rq_timeout;     /* Current timeout value */
         unsigned int            rq_retries;     /* # of retries */
+        unsigned int            rq_connect_cookie;
+                                                /* A cookie used to track the
+                                                   state of the transport
+                                                   connection */
         
         /*
          * Partial send handling
@@ -152,6 +156,9 @@ struct rpc_xprt {
         unsigned long           connect_timeout,
                                 bind_timeout,
                                 reestablish_timeout;
+        unsigned int            connect_cookie; /* A cookie that gets bumped
+                                                   every time the transport
+                                                   is reconnected */
 
         /*
          * Disconnection of idle transports
@@ -232,7 +239,7 @@ int			xprt_unregister_transport(struct xprt_class *type);
 void                    xprt_set_retrans_timeout_def(struct rpc_task *task);
 void                    xprt_set_retrans_timeout_rtt(struct rpc_task *task);
 void                    xprt_wake_pending_tasks(struct rpc_xprt *xprt, int status);
-void                    xprt_wait_for_buffer_space(struct rpc_task *task);
+void                    xprt_wait_for_buffer_space(struct rpc_task *task, rpc_action action);
 void                    xprt_write_space(struct rpc_xprt *xprt);
 void                    xprt_update_rtt(struct rpc_task *task);
 void                    xprt_adjust_cwnd(struct rpc_task *task, int result);
@@ -241,6 +248,7 @@ void			xprt_complete_rqst(struct rpc_task *task, int copied);
 void                    xprt_release_rqst_cong(struct rpc_task *task);
 void                    xprt_disconnect_done(struct rpc_xprt *xprt);
 void                    xprt_force_disconnect(struct rpc_xprt *xprt);
+void                    xprt_conditional_disconnect(struct rpc_xprt *xprt, unsigned int cookie);
 
 /*
  * Reserved bit positions in xprt->state