[PATCH 0/3] Deadline iosched: Fix batching algorithm

Hi Jens,

The following patches correct some issues with the deadline I/O
scheduler and its batching algorithm.

Patch 1 is a simple function factorisation.
Patch 2 fixes a missing batch count reset, making the behaviour
  closer to that implied by the documentation.
Patch 3 changes batch start points to resolve a disparity in
  latency and bandwidth between high- and low-sector requests.


Thanks,
-- Aaron


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Follow-Ups:
- Re: [PATCH 0/3] Deadline iosched: Fix batching algorithm
  - From: Jens Axboe <[email protected]>
- [PATCH 2/3] Deadline iosched: Reset batch for ordered requests
  - From: Aaron Carroll <[email protected]>
- [PATCH 3/3] Deadline iosched: Fix batching fairness
  - From: Aaron Carroll <[email protected]>
- [PATCH 1/3] Deadline iosched: Factor out finding latter request
  - From: Aaron Carroll <[email protected]>

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