1 files changed, 8 insertions, 1 deletions
diff --git a/src/H5Gpkg.h b/src/H5Gpkg.h
index 27fceff..7010aa6 100644
--- a/src/H5Gpkg.h
+++ b/src/H5Gpkg.h
@@ -47,11 +47,18 @@ typedef struct H5G_node_t {
 } H5G_node_t;
 
 /*
+ * Reference count shared between all instances of an open group
+ */
+struct H5G_shared_t {
+    int fo_count;                   /* open file object count */
+};
+
+/*
  * A group handle passed around through layers of the library within and
  * above the H5G layer.
  */
 struct H5G_t {
-    int         nref;                   /*open reference count               */
+    H5G_shared_t* shared;               /*shared file object data            */
     H5G_entry_t ent;                    /*info about the group               */
 };