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-rw-r--r--block/blk-wbt.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/block/blk-wbt.h b/block/blk-wbt.h
index df6de50..a232c98 100644
--- a/block/blk-wbt.h
+++ b/block/blk-wbt.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef WB_THROTTLE_H
#define WB_THROTTLE_H