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Commit 5b727272 authored by Omar Sandoval's avatar Omar Sandoval Committed by Jens Axboe
Browse files

blk-mq: export helpers 



blk_mq_finish_request() is required for schedulers that define their own
put_request(). blk_mq_run_hw_queue() is required for schedulers that
hold back requests to be run later.

Signed-off-by: default avatarOmar Sandoval <osandov@fb.com>
Signed-off-by: default avatarJens Axboe <axboe@fb.com>
parent 229a9287

block/blk-mq.c

+2 −0
Original line number Diff line number Diff line
@@ -368,6 +368,7 @@ 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)

{
@@ -1183,6 +1184,7 @@ void blk_mq_run_hw_queue(struct blk_mq_hw_ctx *hctx, bool async) 
{

	__blk_mq_delay_run_hw_queue(hctx, async, 0);

}

EXPORT_SYMBOL(blk_mq_run_hw_queue);



void blk_mq_run_hw_queues(struct request_queue *q, bool async)

{

include/linux/blk-mq.h

+1 −0
Original line number Diff line number Diff line
@@ -238,6 +238,7 @@ void blk_mq_start_hw_queues(struct request_queue *q); 
void blk_mq_start_stopped_hw_queue(struct blk_mq_hw_ctx *hctx, bool async);

void blk_mq_start_stopped_hw_queues(struct request_queue *q, bool async);

void blk_mq_delay_run_hw_queue(struct blk_mq_hw_ctx *hctx, unsigned long msecs);

void blk_mq_run_hw_queue(struct blk_mq_hw_ctx *hctx, bool async);

void blk_mq_run_hw_queues(struct request_queue *q, bool async);

void blk_mq_delay_queue(struct blk_mq_hw_ctx *hctx, unsigned long msecs);

void blk_mq_tagset_busy_iter(struct blk_mq_tag_set *tagset,