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Subject: Re: Possible unneccessary IORING_OP_READs executed in Async
From:   Olivier Langlois <olivier@trillion01.com>
To:     io-uring@vger.kernel.org
Date:   Wed, 09 Jun 2021 18:08:10 -0400
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On Wed, 2021-06-09 at 18:01 -0400, Olivier Langlois wrote:
> 
> I didn't wait for an answer and I went straight to trying out an
> io_uring modification.
> 
> It works like a charm. My code is using io_uring like a maniac and
> with
> the modification, zero io worker threads get created.
> 
> That means a definite gain in terms of latency...
> 
> I will send out a patch soon to share this discovery with io_uring
> devs.
> 
When reviewing my patch, keep in mind that I have only tested it with
IORING_OP_READ... It might not be universally applicable to all
operations... I haven't tested beyond my personal io_uring usage...