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Commit 7b9e9361 authored by Christoph Hellwig's avatar Christoph Hellwig Committed by Jens Axboe
Browse files

blk-mq-sched: unify request finished methods 



No need to have two different callouts of bfq vs kyber.

Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent ea511e3c

block/bfq-iosched.c

+3 −3
Original line number Diff line number Diff line
@@ -4290,7 +4290,7 @@ static void bfq_put_rq_priv_body(struct bfq_queue *bfqq) 
	bfq_put_queue(bfqq);

}



static void bfq_put_rq_private(struct request_queue *q, struct request *rq)

static void bfq_finish_request(struct request *rq)

{

	struct bfq_queue *bfqq = RQ_BFQQ(rq);

	struct bfq_data *bfqd = bfqq->bfqd;
@@ -4324,7 +4324,7 @@ static void bfq_put_rq_private(struct request_queue *q, struct request *rq) 
		 */



		if (!RB_EMPTY_NODE(&rq->rb_node))

			bfq_remove_request(q, rq);

			bfq_remove_request(rq->q, rq);

		bfq_put_rq_priv_body(bfqq);

	}
@@ -4951,7 +4951,7 @@ static struct elv_fs_entry bfq_attrs[] = { 
static struct elevator_type iosched_bfq_mq = {

	.ops.mq = {

		.get_rq_priv		= bfq_get_rq_private,

		.put_rq_priv		= bfq_put_rq_private,

		.finish_request		= bfq_finish_request,

		.exit_icq		= bfq_exit_icq,

		.insert_requests	= bfq_insert_requests,

		.dispatch_request	= bfq_dispatch_request,

block/blk-mq.c

+4 −7
Original line number Diff line number Diff line
@@ -437,18 +437,15 @@ void blk_mq_free_request(struct request *rq) 
	struct request_queue *q = rq->q;

	struct elevator_queue *e = q->elevator;



	if (rq->rq_flags & RQF_ELVPRIV) {

		if (e && e->type->ops.mq.put_rq_priv)

			e->type->ops.mq.put_rq_priv(q, rq);

	if (rq->rq_flags & (RQF_ELVPRIV | RQF_QUEUED)) {

		if (e && e->type->ops.mq.finish_request)

			e->type->ops.mq.finish_request(rq);

		if (rq->elv.icq) {

			put_io_context(rq->elv.icq->ioc);

			rq->elv.icq = NULL;

		}

	}



	if ((rq->rq_flags & RQF_QUEUED) && e && e->type->ops.mq.put_request)

		e->type->ops.mq.put_request(rq);

	else

	blk_mq_finish_request(rq);

}

EXPORT_SYMBOL_GPL(blk_mq_free_request);

block/kyber-iosched.c

+3 −5
Original line number Diff line number Diff line
@@ -446,13 +446,11 @@ static struct request *kyber_get_request(struct request_queue *q, 
	return rq;

}



static void kyber_put_request(struct request *rq)

static void kyber_finish_request(struct request *rq)

{

	struct request_queue *q = rq->q;

	struct kyber_queue_data *kqd = q->elevator->elevator_data;

	struct kyber_queue_data *kqd = rq->q->elevator->elevator_data;



	rq_clear_domain_token(kqd, rq);

	blk_mq_finish_request(rq);

}



static void kyber_completed_request(struct request *rq)
@@ -816,7 +814,7 @@ static struct elevator_type kyber_sched = { 
		.init_hctx = kyber_init_hctx,

		.exit_hctx = kyber_exit_hctx,

		.get_request = kyber_get_request,

		.put_request = kyber_put_request,

		.finish_request = kyber_finish_request,

		.completed_request = kyber_completed_request,

		.dispatch_request = kyber_dispatch_request,

		.has_work = kyber_has_work,

include/linux/elevator.h

+1 −2
Original line number Diff line number Diff line
@@ -105,7 +105,7 @@ struct elevator_mq_ops { 
	void (*request_merged)(struct request_queue *, struct request *, enum elv_merge);

	void (*requests_merged)(struct request_queue *, struct request *, struct request *);

	struct request *(*get_request)(struct request_queue *, unsigned int, struct blk_mq_alloc_data *);

	void (*put_request)(struct request *);

	void (*finish_request)(struct request *);

	void (*insert_requests)(struct blk_mq_hw_ctx *, struct list_head *, bool);

	struct request *(*dispatch_request)(struct blk_mq_hw_ctx *);

	bool (*has_work)(struct blk_mq_hw_ctx *);
@@ -115,7 +115,6 @@ struct elevator_mq_ops { 
	struct request *(*former_request)(struct request_queue *, struct request *);

	struct request *(*next_request)(struct request_queue *, struct request *);

	int (*get_rq_priv)(struct request_queue *, struct request *, struct bio *);

	void (*put_rq_priv)(struct request_queue *, struct request *);

	void (*init_icq)(struct io_cq *);

	void (*exit_icq)(struct io_cq *);

};