Commit 83fba8c8 authored by Chao Leng's avatar Chao Leng Committed by Christoph Hellwig
Browse files

blk-mq: introduce blk_mq_set_request_complete 



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: default avatarChao Leng <lengchao@huawei.com>
Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
parent f720a8ed

include/linux/blk-mq.h

+12 −0
Original line number Diff line number Diff line
@@ -490,6 +490,18 @@ static inline int blk_mq_request_completed(struct request *rq) 
	return blk_mq_rq_state(rq) == MQ_RQ_COMPLETE;

}



/*

 * 

 * Set the state to complete when completing a request from inside ->queue_rq.

 * This is used by drivers that want to ensure special complete actions that

 * need access to the request are called on failure, e.g. by nvme for

 * multipathing.

 */

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);