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authorChristoph Hellwig <hch@lst.de>2017-06-16 18:15:22 +0200
committerJens Axboe <axboe@kernel.dk>2017-06-18 10:08:55 -0600
commit6af54051a07041d8d4e36b1b01136a0db4eb7e23 (patch)
tree283576b0be587fc2b088d75cd2195525eb9e8460 /block
parent7b9e93616399638521aafd1f01dfcf474c736393 (diff)
downloadlinux-6af54051a07041d8d4e36b1b01136a0db4eb7e23.tar.bz2
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 <hch@lst.de> Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block')
-rw-r--r--block/blk-mq.c50
-rw-r--r--block/blk-mq.h3
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);