--- bviplus-0.9.4/vf_backend.c	2016-02-07 15:58:47.265405962 +0000
+++ bviplus-0.9.4/vf_backend.c	2016-02-07 16:04:30.020004919 +0000
@@ -253,7 +253,7 @@
 /*---------------------------
 
   ---------------------------*/
-inline void compute_percent_complete(off_t offset, off_t size, int *complete)
+extern void compute_percent_complete(off_t offset, off_t size, int *complete)
 {
   if (size == 0)
   {