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-rw-r--r--block/blk.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/block/blk.h b/block/blk.h
index e5c579769963..d2e49af90db5 100644
--- a/block/blk.h
+++ b/block/blk.h
@@ -20,6 +20,7 @@ void blk_unplug_timeout(unsigned long data);
void blk_rq_timed_out_timer(unsigned long data);
void blk_delete_timer(struct request *);
void blk_add_timer(struct request *);
+void __generic_unplug_device(struct request_queue *);
/*
* Internal atomic flags for request handling