From: Yu Kuai <yukuai3@xxxxxxxxxx>
The new api will be used in mq-deadline and kyber in following patches,
prepare to refactor async_depth.
Signed-off-by: Yu Kuai <yukuai3@xxxxxxxxxx>
---
block/elevator.h | 1 +
1 file changed, 1 insertion(+)
diff --git a/block/elevator.h b/block/elevator.h
index dbf357ef4fab..21a431873f48 100644
--- a/block/elevator.h
+++ b/block/elevator.h
@@ -29,6 +29,7 @@ struct elevator_mq_ops {
int (*init_hctx)(struct blk_mq_hw_ctx *, unsigned int);
void (*exit_hctx)(struct blk_mq_hw_ctx *, unsigned int);
void (*depth_updated)(struct blk_mq_hw_ctx *);
+ int (*async_depth_updated)(struct request_queue *, unsigned int);
bool (*allow_merge)(struct request_queue *, struct request *, struct bio *);
bool (*bio_merge)(struct request_queue *, struct bio *, unsigned int);
--
2.39.2
