1 files changed, 5 insertions, 0 deletions
diff --git a/ref-filter.c b/ref-filter.c
index 1ec0fb8391b..6546dba732a 100644
--- a/ref-filter.c
+++ b/ref-filter.c
@@ -1476,6 +1476,11 @@ enum contains_result {
 	CONTAINS_YES = 1
 };
 
+struct ref_filter_cbdata {
+	struct ref_array *array;
+	struct ref_filter *filter;
+};
+
 /*
  * Mimicking the real stack, this stack lives on the heap, avoiding stack
  * overflows.