From 6af54051a07041d8d4e36b1b01136a0db4eb7e23 Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Fri, 16 Jun 2017 18:15:22 +0200 Subject: [PATCH] blk-mq: simplify blk_mq_free_request Merge three functions only tail-called by blk_mq_free_request into blk_mq_free_request. Signed-off-by: Christoph Hellwig Signed-off-by: Jens Axboe --- block/blk-mq.c | 50 +++++++++++++++----------------------------------- block/blk-mq.h | 3 --- 2 files changed, 15 insertions(+), 38 deletions(-) diff --git a/block/blk-mq.c b/block/blk-mq.c index 9df7e0394a48..0b17351fccfc 100644 --- a/block/blk-mq.c +++ b/block/blk-mq.c @@ -395,12 +395,24 @@ struct request *blk_mq_alloc_request_hctx(struct request_queue *q, int rw, } EXPORT_SYMBOL_GPL(blk_mq_alloc_request_hctx); -void __blk_mq_finish_request(struct blk_mq_hw_ctx *hctx, struct blk_mq_ctx *ctx, - struct request *rq) +void blk_mq_free_request(struct request *rq) { - const int sched_tag = rq->internal_tag; struct request_queue *q = rq->q; + struct elevator_queue *e = q->elevator; + struct blk_mq_ctx *ctx = rq->mq_ctx; + struct blk_mq_hw_ctx *hctx = blk_mq_map_queue(q, ctx->cpu); + const int sched_tag = rq->internal_tag; + 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; + } + } + + ctx->rq_completed[rq_is_sync(rq)]++; if (rq->rq_flags & RQF_MQ_INFLIGHT) atomic_dec(&hctx->nr_active); @@ -416,38 +428,6 @@ void __blk_mq_finish_request(struct blk_mq_hw_ctx *hctx, struct blk_mq_ctx *ctx, blk_mq_sched_restart(hctx); blk_queue_exit(q); } - -static void blk_mq_finish_hctx_request(struct blk_mq_hw_ctx *hctx, - struct request *rq) -{ - struct blk_mq_ctx *ctx = rq->mq_ctx; - - ctx->rq_completed[rq_is_sync(rq)]++; - __blk_mq_finish_request(hctx, ctx, rq); -} - -void blk_mq_finish_request(struct request *rq) -{ - blk_mq_finish_hctx_request(blk_mq_map_queue(rq->q, rq->mq_ctx->cpu), rq); -} -EXPORT_SYMBOL_GPL(blk_mq_finish_request); - -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 | 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; - } - } - - blk_mq_finish_request(rq); -} EXPORT_SYMBOL_GPL(blk_mq_free_request); inline void __blk_mq_end_request(struct request *rq, blk_status_t error) diff --git a/block/blk-mq.h b/block/blk-mq.h index 806fed53f607..6a509a8eb3fb 100644 --- a/block/blk-mq.h +++ b/block/blk-mq.h @@ -131,9 +131,6 @@ static inline struct blk_mq_tags *blk_mq_tags_from_data(struct blk_mq_alloc_data /* * Internal helpers for request allocation/init/free */ -void __blk_mq_finish_request(struct blk_mq_hw_ctx *hctx, struct blk_mq_ctx *ctx, - struct request *rq); -void blk_mq_finish_request(struct request *rq); struct request *__blk_mq_alloc_request(struct blk_mq_alloc_data *data, unsigned int op); -- 2.20.1