[RFC][CFT] GEOM direct dispatch and fine-grained CAM locking

[Jeremie Le Hen]

On Tue, Sep 03, 2013 at 11:24:26PM +0200, Jeremie Le Hen wrote:
> On Tue, Sep 03, 2013 at 02:10:32PM -0400, Outback Dingo wrote:
> > On Tue, Sep 3, 2013 at 9:42 AM, Jeremie Le Hen <jlh at freebsd.org> wrote:
> > 
> > > On Mon, Sep 02, 2013 at 11:49:33AM +0300, Alexander Motin wrote:
> > > > Hi.
> > > >
> > > > I would like to invite more people to review and test my patches for
> > > > improving CAM and GEOM scalability, that for last six months you could
> > > > see developing in project/camlock SVN branch. Full diff of that branch
> > > > against present head (r255131) can be found here:
> > > > http://people.freebsd.org/~mav/camlock_patches/camlock_20130902.patch
> > >
> > > I'm building my kernel right now.
> > >
> > >
> > Can anyone confirm how well tested/stable this patch set might be?? if
> > theres positive input i have a zoo of dev machines i could load it on, to
> > help further it.
> > Just checking to see how widely its been tested,
> 
> Very stable so far.  I'm doing a make -j 4 buildworld in parallel of a
> periodic security run.  This has been running for hours without failure.

FWIW, I have 4 drives total, distributed in 2 zpool containing 2
mirrored zdev each.

-- 
Jeremie Le Hen

Scientists say the world is made up of Protons, Neutrons and Electrons.
They forgot to mention Morons.