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blk-mq: refactor blk_mq_sched_assign_ioc

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blk_mq_sched_assign_ioc now only handles the assigned of the ioc if
the schedule needs it (bfq only at the moment).  The caller to the
per-request initializer is moved out so that it can be merged with
a similar call for the kyber I/O scheduler.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Christoph Hellwig 2017-06-16 18:15:25 +02:00 • committed by Jens Axboe
parent 9f21073826
commit 44e8c2bff8
3 changed files with 17 additions and 28 deletions
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3
block/blk-mq-sched.h
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@ -7,8 +7,7 @@
void blk_mq_sched_free_hctx_data(struct request_queue *q,
void (*exit)(struct blk_mq_hw_ctx *));
void blk_mq_sched_assign_ioc(struct request_queue *q, struct request *rq,
struct bio *bio);
void blk_mq_sched_assign_ioc(struct request *rq, struct bio *bio);
void blk_mq_sched_request_inserted(struct request *rq);
bool blk_mq_sched_try_merge(struct request_queue *q, struct bio *bio,