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Date: Tue, 13 Jan 2009 07:55:32 +0100
From: Luigi Rizzo <rizzo@icir.org>
To: Garrett Cooper <yanefbsd@gmail.com>
Message-ID: <20090113065532.GA79190@onelab2.iet.unipi.it>
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Cc: stable@freebsd.org, fabio@gandalf.sssup.it
Subject: Re: New disk schedulers available for FreeBSD
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On Mon, Jan 12, 2009 at 06:45:13PM -0800, Garrett Cooper wrote:
> On Mon, Jan 12, 2009 at 2:00 PM, Luigi Rizzo <rizzo@icir.org> wrote:
> > Hi,
> > Fabio Checconi and myself have developed a GEOM-based disk scheduler
> > for FreeBSD. The scheduler is made of a GEOM kernel module, the
> > corresponding userland claas library, and other loadable kernel
> > modules that implement the actual scheduling algorithm.
> >
> > At the URL below you can find a tarball with full sources and
> > also a set of pre-built modules/libraries for RELENG_7, to ease testing.
> >
> >    http://feanor.sssup.it/~fabio/freebsd/io_sched/fc_sched.tar.gz
> >
> > Below you can find the README file that comes with the distribution.
> >
> > I would encourage people to try it and submit feedback, because the
> > initial results are extremely interesting. While I just tried the
> > code under RELENG_7/i386, it should build and work on all versions
> > that have GEOM (but read below).
> 
> Hi Luigi!
>     Is this changeset already available in CURRENT?

no but the port above should hopefully build under -current as well,
unless there are changes in the GEOM ABI.

I built it on RELENG_7 and RELENG_6, will try HEAD today.

cheers
luigi