Re: [PATCHSET] 0/15 IO scheduler improvements

From: Jens Axboe
Date: Fri Jul 14 2006 - 03:11:33 EST


On Thu, Jul 13 2006, Al Boldi wrote:
> Jens Axboe wrote:
> >
> > This is a continuation of the patches posted yesterday, I continued
> > to build on them. The patch series does:
> >
> > - Move the hash backmerging into the elevator core.
> > - Move the rbtree handling into the elevator core.
> > - Abstract the FIFO handling into the elevator core.
> > - Kill the io scheduler private requests, that require allocation/free
> > for each request passed through the system.
> >
> > The result is a faster elevator core (and faster IO schedulers), with a
> > nice net reduction of kernel text and code as well.
>
> Thanks!
>
> Your efforts are much appreciated, as the current situation is a bit awkward.

It's a good step forward, at least.

> > If you have time, please give this patch series a test spin just to
> > verify that everything still works for you. Thanks!
>
> Do you have a combo-patch against 2.6.17?

Not really, but git let me generate one pretty easily. It has a few
select changes outside of the patchset as well, but should be ok. It's
not tested though, should work but the rbtree changes needed to be done
additionally. If it boots, it should work :-)

I've gzip'ed the patch to avoid problems.

--
Jens Axboe

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