Re: Buffer locking is special (hints, checksums, AIO writes) - Mailing list pgsql-hackers

Hi,

On 2026-01-14 09:17:22 -0500, Melanie Plageman wrote:
> On Tue, Jan 13, 2026 at 7:49 PM Andres Freund <andres@anarazel.de> wrote:
> > I also wonder if we could merge BufferIO into the private refcount
> > infrastructure, similar to how the patches store the lockmode in the private
> > refcount.  The separate resowner acquisition does show up in profiles when
> > reading from the kernel page cache, so that'd be a nice (but small)
> > improvement.
> 
> When you say "BufferIO", do you mean io_wref in the BufferDesc?

I was trying to refer to ResourceOwnerRememberBufferIO(),
ResourceOwnerForgetBufferIO(), ResOwnerReleaseBufferIO(), etc. That's
basically used to unset BM_IO_IN_PROGRESS when an error occurs while trying to
perform IO.

Greetings,

Andres Freund