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blk-mq: remove ->map_queue

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All drivers use the default, so provide an inline version of it.  If we
ever need other queue mapping we can add an optional method back,
although supporting will also require major changes to the queue setup
code.

This provides better code generation, and better debugability as well.

Signed-off-by: Christoph Hellwig <[email protected]>
Reviewed-by: Keith Busch <[email protected]>
Signed-off-by: Jens Axboe <[email protected]>
This commit is contained in:
Christoph Hellwig 2016-09-14 16:18:54 +02:00 • committed by Jens Axboe
commit 7d7e0f90b7
18 changed files with 25 additions and 65 deletions
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6
block/blk-flush.c
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@ -232,7 +232,7 @@ static void flush_end_io(struct request *flush_rq, int error)
/* release the tag's ownership to the req cloned from */
spin_lock_irqsave(&fq->mq_flush_lock, flags);
hctx = q->mq_ops->map_queue(q, flush_rq->mq_ctx->cpu);
hctx = blk_mq_map_queue(q, flush_rq->mq_ctx->cpu);
blk_mq_tag_set_rq(hctx, flush_rq->tag, fq->orig_rq);
flush_rq->tag = -1;
}
@ -325,7 +325,7 @@ static bool blk_kick_flush(struct request_queue *q, struct blk_flush_queue *fq)
flush_rq->tag = first_rq->tag;
fq->orig_rq = first_rq;
hctx = q->mq_ops->map_queue(q, first_rq->mq_ctx->cpu);
hctx = blk_mq_map_queue(q, first_rq->mq_ctx->cpu);
blk_mq_tag_set_rq(hctx, first_rq->tag, flush_rq);
}
@ -358,7 +358,7 @@ static void mq_flush_data_end_io(struct request *rq, int error)
unsigned long flags;
struct blk_flush_queue *fq = blk_get_flush_queue(q, ctx);
hctx = q->mq_ops->map_queue(q, ctx->cpu);
hctx = blk_mq_map_queue(q, ctx->cpu);
/*
* After populating an empty queue, kick it to avoid stall. Read