diff --git a/fs/ext4/ialloc.c b/fs/ext4/ialloc.c
index ee82302..c5f697a 100644
--- a/fs/ext4/ialloc.c
+++ b/fs/ext4/ialloc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/fs/ext4/ialloc.c
  *