> > Will PostgreSQL pick this up automatically, or do we need to add
> > extra checks?
>
> Extra checks, though I'm not sure why you'd want this. This is the
> equiv of a nice way of handling raw IO for read only
> operations... which would be bad. Call me crazy, but unless you're on
The reason I mention it is that Postgres already supports O_DIRECT I think
on some other platforms (for whatever reason).
Chris