diff --git a/block/blk-mq-dma.c b/block/blk-mq-dma.c
index 5822b8898bdd..82bae475dfa4 100644
--- a/block/blk-mq-dma.c
+++ b/block/blk-mq-dma.c
@@ -1,4 +1,7 @@
 // SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (C) 2025 Christoph Hellwig
+ */
 #include "blk.h"
 
 struct phys_vec {