1 files changed, 1 insertions, 0 deletions
diff --git a/mdadm.h b/mdadm.h
index 322af06d..04e7d0fc 100644
--- a/mdadm.h
+++ b/mdadm.h
@@ -778,6 +778,7 @@ extern struct superswitch {
 	int (*validate_geometry)(struct supertype *st, int level, int layout,
 				 int raiddisks,
 				 int *chunk, unsigned long long size,
+				 unsigned long long data_offset,
 				 char *subdev, unsigned long long *freesize,
 				 int verbose);