linux-kernel - Re: [PATCH 0/7] ide: locking improvements

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Message-ID: <20081011175615.GW19428@kernel.dk>
Date:	Sat, 11 Oct 2008 19:56:16 +0200
From:	Jens Axboe <jens.axboe@...cle.com>
To:	petkovbb@...il.com
Cc:	Bartlomiej Zolnierkiewicz <bzolnier@...il.com>,
	Robert Hancock <hancockr@...w.ca>, linux-ide@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/7] ide: locking improvements

On Sat, Oct 11 2008, Borislav Petkov wrote:
> On Sat, Oct 11, 2008 at 05:56:37PM +0200, Bartlomiej Zolnierkiewicz wrote:
> > On Saturday 11 October 2008, Jens Axboe wrote:
> > > On Sat, Oct 11 2008, Bartlomiej Zolnierkiewicz wrote:
> > > > On Saturday 11 October 2008, Jens Axboe wrote:
> > > > > On Sat, Oct 11 2008, Borislav Petkov wrote:
> 
> [... ]
> 
> Don't you just love it when all gets resolved peacefully and
> everything is fine and dandy afterwards. I'm so happy we've
> straightened that one out. Just a final quick note which by no means
> is targetting to resparkle the discussion: I have another bug report,
> hm, well :), but still, the machine is a 8-core AMD Dell box (with the
> option of upgrading to 16 cores) which _is_ using ide-cd so, there are
> some people using that code, after all :). I'm sure those people will
> be happier when it scales to that many cores.
> 
> http://bugzilla.kernel.org/show_bug.cgi?id=11498.

Not to throw a monkey wrench, but I did add 'pushing data' to that IDE
statement. There is of course lots of systems still with a parallel
channel for things like atapi drives. But that is completely parallel to
the initial argument, those don't care a rats ass about scalability.
They care about it working, that is all.

-- 
Jens Axboe

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