diff options
| author | Christoph Hellwig <hch@lst.de> | 2017-06-16 18:15:25 +0200 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2017-06-18 10:08:55 -0600 |
| commit | 44e8c2bff80bb384a608406009948f90a78bf8a3 (patch) | |
| tree | 416c4aea5fb5c635bdc94170b8fb14ab284f21a4 /block/blk-mq-sched.c | |
| parent | 9f2107382636cf9a71951eb71ec04f2fb3641b37 (diff) | |
| download | linux-44e8c2bff80bb384a608406009948f90a78bf8a3.tar.bz2 | |
blk-mq: refactor blk_mq_sched_assign_ioc
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>
Diffstat (limited to 'block/blk-mq-sched.c')
| -rw-r--r-- | block/blk-mq-sched.c | 28 |
1 files changed, 4 insertions, 24 deletions
diff --git a/block/blk-mq-sched.c b/block/blk-mq-sched.c index 22601e5c6f19..254d1c164567 100644 --- a/block/blk-mq-sched.c +++ b/block/blk-mq-sched.c @@ -31,12 +31,10 @@ void blk_mq_sched_free_hctx_data(struct request_queue *q, } EXPORT_SYMBOL_GPL(blk_mq_sched_free_hctx_data); -static void __blk_mq_sched_assign_ioc(struct request_queue *q, - struct request *rq, - struct bio *bio, - struct io_context *ioc) +void blk_mq_sched_assign_ioc(struct request *rq, struct bio *bio) { - struct elevator_queue *e = q->elevator; + struct request_queue *q = rq->q; + struct io_context *ioc = rq_ioc(bio); struct io_cq *icq; spin_lock_irq(q->queue_lock); @@ -48,26 +46,8 @@ static void __blk_mq_sched_assign_ioc(struct request_queue *q, if (!icq) return; } - - rq->elv.icq = icq; - if (e && e->type->ops.mq.get_rq_priv && - e->type->ops.mq.get_rq_priv(q, rq, bio)) { - rq->elv.icq = NULL; - return; - } - - rq->rq_flags |= RQF_ELVPRIV; get_io_context(icq->ioc); -} - -void blk_mq_sched_assign_ioc(struct request_queue *q, struct request *rq, - struct bio *bio) -{ - struct io_context *ioc; - - ioc = rq_ioc(bio); - if (ioc) - __blk_mq_sched_assign_ioc(q, rq, bio, ioc); + rq->elv.icq = icq; } void blk_mq_sched_dispatch_requests(struct blk_mq_hw_ctx *hctx) |