linux-kernel - Re: [PATCHSET] 0/15 IO scheduler improvements

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Date:	Sat, 15 Jul 2006 13:06:38 +0200
From:	Jens Axboe <axboe@...e.de>
To:	Al Boldi <a1426z@...ab.com>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: [PATCHSET] 0/15 IO scheduler improvements

On Fri, Jul 14 2006, Al Boldi wrote:
> Jens Axboe wrote:
> > 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 :-)
> 
> patch applies ok
> compiles ok
> panics on boot at elv_rb_del
> patch -R succeeds with lot's of hunks

So I most likely botched the rbtree conversion, sorry about that. Oh, I
think it's a silly reverted condition, can you try this one?

-- 
Jens Axboe


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