>
>
> On Wed, 15 Sep 1999, Ruslan Ermilov wrote:
>
> > > The aio_* stuff (I use a custom patched version in 4.x) offers performance
> > > advantages over select() with large numbers of descriptors. In terms of
> > > efficiency, I don't have any trouble saturating full-duplex 100mbit link
> > > with aio routines on a reasonably fast box (PII-400 512MB).
> > >
> > > As more work gets done to the aio stuff, there are some potential early
> > > advantages available to multiprocessor machines (since the program
> > > 'driving' the aio could run concurrently with the kernel code moving
> > > network or disk data).
> > >
> > > -Chris
> >
> > Do you by any change have an idea how to fix PR kern/13075
> > (signal is not posted for async I/O on raw devices)
>
> Yes. There is no code to post the signal unless the job is of the lio
> variety. Writing a fix took about 15 minutes (including reboot).
> Extensive testing not included, though the test program provided with the
> PR now functions.
You plan to file a followup to the PR, I hope. 8)
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