Re: I/O Scheduler

On 2008-08-19 at 01:59:00 [+0200], Andr=E9 Braga <[email protected]> wrot=
e:
> On Mon, Aug 18, 2008 at 20:58, Ingo Weinhold <[email protected]> wrote:
> > Currently no-op. This will change, but with what strategy (or strategie=
s)
> > we'll end up, has to be seen.
> =

> Would proximity-based delta-to-head-location be too difficult to
> implement?

The plan is to consider I/O locations. I think we'll use logical addresses =

instead of physical geometry based ones, though. I'm not really sure, if th=
e =

latter info would even be available at all; at any rate, logical addresses =

should be a reasonable approximation.

> How is overlapping I/O being handled ATM?

As written earlier, the current strategy is "no-op", i.e. requests are pass=
ed =

on as they come in.

CU, Ingo

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