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blk-mq-sched: remove hack that bypasses scheduler for reserved requests 

We have update the troublesome driver (mtip32xx) to deal with this
appropriately. So kill the hack that bypassed scheduler allocation
and insertion for reserved requests.

Reviewed-by: Ming Lei <ming.lei@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Tested-by: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
This commit is contained in:
Jens Axboe 2017-04-28 08:53:01 -06:00
parent 3f5e6a3577
commit 9f2779bff2
1 changed files with 1 additions and 5 deletions
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6
block/blk-mq-sched.c
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@ -82,11 +82,7 @@ struct request *blk_mq_sched_get_request(struct request_queue *q,
if (likely(!data->hctx))
data->hctx = blk_mq_map_queue(q, data->ctx->cpu);
/*
* For a reserved tag, allocate a normal request since we might
* have driver dependencies on the value of the internal tag.
*/
if (e && !(data->flags & BLK_MQ_REQ_RESERVED)) {
if (e) {
data->flags |= BLK_MQ_REQ_INTERNAL;
/*