blk-mq: add a copyright notice to blk-mq-dma.c

blk-mq-dma.c was split from blk-merge.c which has no copyright notice,
but except for some boilerplate code and comments left from the old
version this is all my code, so add my copyright.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20250513071433.836797-2-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>

diff --git a/block/blk-mq-dma.c b/block/blk-mq-dma.c
index 5822b8898bdd5bb56f91e43f5877ce5be511a63e..82bae475dfa432ace8f9702a91e6201276fc9329 100644 (file)
--- 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 {