Re: Asynchronous I/O Support

Hi,

On 10/18/06, Martijn van Oosterhout <kleptog(at)svana(dot)org> wrote:
>
> On Wed, Oct 18, 2006 at 08:04:29PM +1300, Mark Kirkwood wrote:
> > >"bgwriter doing aysncronous I/O for the dirty buffers that it is
> > >supposed to sync"
> > >Another decent use-case?
>
> Good idea, but async i/o is generally poorly supported.

Async i/o is stably supported on most *nix (apart from Linux 2.6.*) plus
Windows.
Guess it would be still worth it, since one fine day 2.6.* will start
supporting it properly too.

Regards,
Nikhils

> Is it worth considering using readv(2) instead?
>
> Err, readv allows you to split a single consecutive read into multiple
> buffers. Doesn't help at all for reads on widely areas of a file.
>
> Have a ncie day,
> --
> Martijn van Oosterhout <kleptog(at)svana(dot)org> http://svana.org/kleptog/
> > From each according to his ability. To each according to his ability to
> litigate.
>
>
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