Re: [PATCH v3] io_uring: reduce latency by reissueing the operation

[Jens Axboe]

On 6/21/21 1:22 PM, Olivier Langlois wrote:
> It is quite frequent that when an operation fails and returns EAGAIN,
> the data becomes available between that failure and the call to
> vfs_poll() done by io_arm_poll_handler().
> 
> Detecting the situation and reissuing the operation is much faster
> than going ahead and push the operation to the io-wq.

This now looks pretty good to me. I know you had some data associated
with this, would be great to include it in the commit message.

-- 
Jens Axboe