block: add a bio_await_chain helper

[linux-block.git] / block / blk.h

diff --git a/block/blk.h b/block/blk.h
index ee4f782d14966266e80dfa06236d6ebc8e788a26..d5107e65355e271a02a9640e88e8e4e4c088d83b 100644 (file)
--- a/block/blk.h
+++ b/block/blk.h
@@ -38,6 +38,7 @@ void __blk_mq_unfreeze_queue(struct request_queue *q, bool force_atomic);
 void blk_queue_start_drain(struct request_queue *q);
 int __bio_queue_enter(struct request_queue *q, struct bio *bio);
 void submit_bio_noacct_nocheck(struct bio *bio);
+void bio_await_chain(struct bio *bio);
 
 static inline bool blk_try_enter_queue(struct request_queue *q, bool pm)
 {