diff --git a/fs/gfs2/dir.h b/fs/gfs2/dir.h
index 4f03bbd..c5573e7 100644
--- a/fs/gfs2/dir.h
+++ b/fs/gfs2/dir.h
@@ -17,6 +17,10 @@
 struct gfs2_inode;
 struct gfs2_inum;
 
+struct gfs2_diradd {
+	unsigned nr_blocks;
+};
+
 extern struct inode *gfs2_dir_search(struct inode *dir,
 				     const struct qstr *filename,
 				     bool fail_on_exist);
@@ -33,7 +37,8 @@
 extern int gfs2_dir_exhash_dealloc(struct gfs2_inode *dip);
 
 extern int gfs2_diradd_alloc_required(struct inode *dir,
-				      const struct qstr *filename);
+				      const struct qstr *filename,
+				      struct gfs2_diradd *da);
 extern int gfs2_dir_get_new_buffer(struct gfs2_inode *ip, u64 block,
 				   struct buffer_head **bhp);
 extern void gfs2_dir_hash_inval(struct gfs2_inode *ip);