[PATCH v5 1/3] blk-mq: introduce blk_mq_set_request_complete
From: Chao Leng <hidden>
Date: 2021-02-01 03:50:49
Also in:
linux-nvme
Subsystem:
block layer, the rest · Maintainers:
Jens Axboe, Linus Torvalds
nvme drivers need to set the state of request to MQ_RQ_COMPLETE when directly complete request in queue_rq. So add blk_mq_set_request_complete. Signed-off-by: Chao Leng <redacted> --- include/linux/blk-mq.h | 9 +++++++++ 1 file changed, 9 insertions(+)
diff --git a/include/linux/blk-mq.h b/include/linux/blk-mq.h
index 47b021952ac7..38c632ce2270 100644
--- a/include/linux/blk-mq.h
+++ b/include/linux/blk-mq.h@@ -494,6 +494,15 @@ static inline int blk_mq_request_completed(struct request *rq) return blk_mq_rq_state(rq) == MQ_RQ_COMPLETE; } +/* + * If nvme complete request directly, need to set the state to complete + * to avoid canceling the request again. + */ +static inline void blk_mq_set_request_complete(struct request *rq) +{ + WRITE_ONCE(rq->state, MQ_RQ_COMPLETE); +} + void blk_mq_start_request(struct request *rq); void blk_mq_end_request(struct request *rq, blk_status_t error); void __blk_mq_end_request(struct request *rq, blk_status_t error);
--
2.16.4