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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 <hch@lst.de>
Reviewed-by: Keith Busch <keith.busch@intel.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
This commit is contained in:
Christoph Hellwig
2016-09-14 16:18:54 +02:00
committed by Jens Axboe
parent bdd17e75cd
commit 7d7e0f90b7
18 changed files with 25 additions and 65 deletions
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block/blk-mq-tag.c
+2 -3
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@@ -301,8 +301,7 @@ static int bt_get(struct blk_mq_alloc_data *data,
io_schedule();
data->ctx = blk_mq_get_ctx(data->q);
data->hctx = data->q->mq_ops->map_queue(data->q,
data->ctx->cpu);
data->hctx = blk_mq_map_queue(data->q, data->ctx->cpu);
if (data->flags & BLK_MQ_REQ_RESERVED) {
bt = &data->hctx->tags->breserved_tags;
} else {
@@ -726,7 +725,7 @@ u32 blk_mq_unique_tag(struct request *rq)
int hwq = 0;
if (q->mq_ops) {
hctx = q->mq_ops->map_queue(q, rq->mq_ctx->cpu);
hctx = blk_mq_map_queue(q, rq->mq_ctx->cpu);
hwq = hctx->queue_num;
}