Re: [PATCH v2] block: Improve IOPS by removing the fairness code

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On Tue, Mar 26, 2024 at 10:36:25AM -0700, Bart Van Assche wrote:
> * Create a first request queue with completion time 1 ms and queue
>   depth 64.
> * Create a second request queue with completion time 100 ms and that
>   shares the tag set of the first request queue.
> * Submit I/O to both request queues.
>
> If I run that test I see a queue depth of about 60 for the second
> request queue and a queue depth of about 4 for the first request queue.
> This shows that both request queues make sufficient progress. This is
> because of the fairness algorithms in the sbitmap code.

This information needs to go into the commit log.





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