RDS: Export symbols from core RDS

Now that rdma and tcp transports will be modularized,
we need to export a number of functions so they can call them.

Signed-off-by: Andy Grover <andy.grover@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/rds/info.c b/net/rds/info.c
index 62aeef3..814a91a 100644
--- a/net/rds/info.c
+++ b/net/rds/info.c
@@ -79,6 +79,7 @@
 	rds_info_funcs[offset] = func;
 	spin_unlock(&rds_info_lock);
 }
+EXPORT_SYMBOL_GPL(rds_info_register_func);
 
 void rds_info_deregister_func(int optname, rds_info_func func)
 {
@@ -91,6 +92,7 @@
 	rds_info_funcs[offset] = NULL;
 	spin_unlock(&rds_info_lock);
 }
+EXPORT_SYMBOL_GPL(rds_info_deregister_func);
 
 /*
  * Typically we hold an atomic kmap across multiple rds_info_copy() calls
@@ -137,6 +139,7 @@
 		}
 	}
 }
+EXPORT_SYMBOL_GPL(rds_info_copy);
 
 /*
  * @optval points to the userspace buffer that the information snapshot