3 files changed, 8 insertions, 1 deletions

diff --git a/include/linux/sunrpc/clnt.h b/include/linux/sunrpc/clnt.h
index 6740801aa71a..8af2804bab16 100644
--- a/include/linux/sunrpc/clnt.h
+++ b/include/linux/sunrpc/clnt.h
@@ -49,6 +49,7 @@ struct rpc_clnt {
 
         unsigned int            cl_softrtry : 1,/* soft timeouts */
                                 cl_discrtry : 1,/* disconnect before retry */
+                                cl_noretranstimeo: 1,/* No retransmit timeouts */
                                 cl_autobind : 1,/* use getport() */
                                 cl_chatty   : 1;/* be verbose */
 
@@ -126,6 +127,7 @@ struct rpc_create_args {
 #define RPC_CLNT_CREATE_QUIET           (1UL << 6)
 #define RPC_CLNT_CREATE_INFINITE_SLOTS  (1UL << 7)
 #define RPC_CLNT_CREATE_NO_IDLE_TIMEOUT (1UL << 8)
+#define RPC_CLNT_CREATE_NO_RETRANS_TIMEOUT      (1UL << 9)
 
 struct rpc_clnt *rpc_create(struct rpc_create_args *args);
 struct rpc_clnt *rpc_bind_new_program(struct rpc_clnt *,
@@ -134,6 +136,10 @@ void rpc_task_reset_client(struct rpc_task *task, struct rpc_clnt *clnt);
 struct rpc_clnt *rpc_clone_client(struct rpc_clnt *);
 struct rpc_clnt *rpc_clone_client_set_auth(struct rpc_clnt *,
                                 rpc_authflavor_t);
+int             rpc_switch_client_transport(struct rpc_clnt *,
+                                struct xprt_create *,
+                                const struct rpc_timeout *);
+
 void            rpc_shutdown_client(struct rpc_clnt *);
 void            rpc_release_client(struct rpc_clnt *);
 void            rpc_task_release_client(struct rpc_task *);
diff --git a/include/linux/sunrpc/sched.h b/include/linux/sunrpc/sched.h
index 096ee58be11a..3a847de83fab 100644
--- a/include/linux/sunrpc/sched.h
+++ b/include/linux/sunrpc/sched.h
@@ -122,6 +122,7 @@ struct rpc_task_setup {
 #define RPC_TASK_SENT           0x0800          /* message was sent */
 #define RPC_TASK_TIMEOUT        0x1000          /* fail with ETIMEDOUT on timeout */
 #define RPC_TASK_NOCONNECT      0x2000          /* return ENOTCONN if not connected */
+#define RPC_TASK_NO_RETRANS_TIMEOUT     0x4000          /* wait forever for a reply */
 
 #define RPC_IS_ASYNC(t)         ((t)->tk_flags & RPC_TASK_ASYNC)
 #define RPC_IS_SWAPPER(t)       ((t)->tk_flags & RPC_TASK_SWAPPER)
diff --git a/include/linux/sunrpc/xprt.h b/include/linux/sunrpc/xprt.h
index cec7b9b5e1bf..8097b9df6773 100644
--- a/include/linux/sunrpc/xprt.h
+++ b/include/linux/sunrpc/xprt.h
@@ -288,7 +288,7 @@ int			xprt_reserve_xprt(struct rpc_xprt *xprt, struct rpc_task *task);
 int                     xprt_reserve_xprt_cong(struct rpc_xprt *xprt, struct rpc_task *task);
 void                    xprt_alloc_slot(struct rpc_xprt *xprt, struct rpc_task *task);
 void                    xprt_lock_and_alloc_slot(struct rpc_xprt *xprt, struct rpc_task *task);
-int                     xprt_prepare_transmit(struct rpc_task *task);
+bool                    xprt_prepare_transmit(struct rpc_task *task);
 void                    xprt_transmit(struct rpc_task *task);
 void                    xprt_end_transmit(struct rpc_task *task);
 int                     xprt_adjust_timeout(struct rpc_rqst *req);