On 08/11/2024 18.20, Filip Kobierski wrote:
> Hello everyone,
> 
> lately I have been looking into the io_uring functionality in the
> kernel and apps that I use -- what could be a non-generic USE flag
> shared by mpd and qemu?
> 
> I have noticed that currently 9 packages[1] have an io-uring USE
> flag. All of them use it for enabling the use of io_uring
> system calls.
> 
> The feature was introduced in 5.1 and the oldest we ship is 5.10
> so I think there will be no compatibility issues.
> 
> Introducing a new io-uring global USE flag would encourage users
> to enable it globally and simplify the configuration.
> 
> The USE description that I propose is
> "Enable the use of io_uring system calls for efficient async IO".
> Of course if there is something more fitting it should be chosen,
> I have no hard opinions here.
> 
> What do you think about it?

I also think io-uring is a good candidate for a global use flag. Given 
that there where no objections, please feel encouraged to propose a 
tree-wide patch.

- Flow