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| author | Jens Axboe <axboe@kernel.dk> | 2018-11-24 08:04:33 +0300 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2018-11-26 20:35:22 +0300 |
| commit | 5f0ed774ed2914decfd397569fface997532e94d (patch) | |
| tree | 726b690fbf0f0c4cf67f6fcad5266cbe076997ba /block/blk.h | |
| parent | af78ff7c6e66832afcdf5418f67b11c409f9e7a1 (diff) | |
| download | linux-5f0ed774ed2914decfd397569fface997532e94d.tar.xz | |
block: sum requests in the plug structure
This isn't exactly the same as the previous count, as it includes
requests for all devices. But that really doesn't matter, if we have
more than the threshold (16) queued up, flush it. It's not worth it
to have an expensive list loop for this.
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block/blk.h')
| -rw-r--r-- | block/blk.h | 2 |
1 files changed, 0 insertions, 2 deletions
diff --git a/block/blk.h b/block/blk.h index 610948157a5b..848278c52030 100644 --- a/block/blk.h +++ b/block/blk.h @@ -161,9 +161,7 @@ bool bio_attempt_back_merge(struct request_queue *q, struct request *req, bool bio_attempt_discard_merge(struct request_queue *q, struct request *req, struct bio *bio); bool blk_attempt_plug_merge(struct request_queue *q, struct bio *bio, - unsigned int *request_count, struct request **same_queue_rq); -unsigned int blk_plug_queued_count(struct request_queue *q); void blk_account_io_start(struct request *req, bool new_io); void blk_account_io_completion(struct request *req, unsigned int bytes); |