Re: AIO v2.5 - Mailing list pgsql-hackers

Hi,

On 2025-03-30 19:46:57 -0400, Andres Freund wrote:
> I didn't yet push
>
> > > Subject: [PATCH v2.14 13/29] aio: Add README.md explaining higher level design
>
> because I want to integrate some language that could be referenced by
> smgrstartreadv() (and more in the future), as we have been talking about.

I tried a bunch of variations and none of them seemed great. So I ended up
with a lightly polished version of your suggested comment above
smgrstartreadv().  We can later see about generalizing it.


> Tomorrow I'll work on sending out a new version with the remaining patches. I
> plan for that version to have:

Got a bit distracted with $work stuff today, but here we go.


The updated version has all of that:

> - pg_aios view with the security checks (already done, trivial)
>
> - a commit with updated language for smgrstartreadv(), probably referencing
>   aio's README
>
> - a change to mdreadv() around zero_damaged_pages, as Noah and I have been
>   discussing
>
> - updated tests, with the FIXMEs etc addressed
>
> - a reviewed version of the errcontext callback patch that Melanie sent
>   earlier today

Although I didn't actually find anything in that, other than one unnecessary
change.

Greetings,

Andres Freund