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/timer.c b/net/sunrpc/timer.c
index 8142fdb..31becbf 100644
--- a/net/sunrpc/timer.c
+++ b/net/sunrpc/timer.c
@@ -17,6 +17,7 @@
 
 #include <linux/types.h>
 #include <linux/unistd.h>
+#include <linux/module.h>
 
 #include <linux/sunrpc/clnt.h>
 
@@ -40,6 +41,7 @@
 		rt->ntimeouts[i] = 0;
 	}
 }
+EXPORT_SYMBOL_GPL(rpc_init_rtt);
 
 /*
  * NB: When computing the smoothed RTT and standard deviation,
@@ -75,6 +77,7 @@
 	if (*sdrtt < RPC_RTO_MIN)
 		*sdrtt = RPC_RTO_MIN;
 }
+EXPORT_SYMBOL_GPL(rpc_update_rtt);
 
 /*
  * Estimate rto for an nfs rpc sent via. an unreliable datagram.
@@ -103,3 +106,4 @@
 
 	return res;
 }
+EXPORT_SYMBOL_GPL(rpc_calc_rto);