diff --git a/libglusterfs/src/inode.h b/libglusterfs/src/inode.h
index 15a4f98..3c95407 100644
--- a/libglusterfs/src/inode.h
+++ b/libglusterfs/src/inode.h
@@ -104,6 +104,7 @@ struct _inode {
         struct list_head     list;          /* active/lru/purge */
 
 	struct _inode_ctx   *_ctx;    /* replacement for dict_t *(inode->ctx) */
+	uint64_t             gen;           /* for locking code */
 };