SUNRPC: add EXPORT_SYMBOL_GPL for generic transport functions

SUNRPC: add EXPORT_SYMBOL_GPL for generic transport functions

As a preface to allowing arbitrary transport modules to be loaded
dynamically, add EXPORT_SYMBOL_GPL for all generic transport functions
that a transport implementation might want to use.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Acked-by: Tom Talpey <tmt@netapp.com>

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
diff --git a/net/sunrpc/rpcb_clnt.c b/net/sunrpc/rpcb_clnt.c
index 6f0af08..09a2a8fd 100644
--- a/net/sunrpc/rpcb_clnt.c
+++ b/net/sunrpc/rpcb_clnt.c
@@ -415,6 +415,7 @@
 bailout_nowake:
 	task->tk_status = status;
 }
+EXPORT_SYMBOL_GPL(rpcb_getport_async);
 
 /*
  * Rpcbind child task calls this callback via tk_exit.