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DragonFly kernel List (threaded) for 2006-01
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Re: cowloop technology

From: Jonas Trollvik <jontro@xxxxxxxxx>
Date: Thu, 19 Jan 2006 13:34:47 +0100

I'm more concerned about the concept than the perfomance. Im against
the automatic creation and removal of files in /dev. Im sure the
problems devfs tries to address is solvable in a much cleaner

If Im not mistaken there was a similar thread here at these lists a
year ago where Matt stated his own ideas for major / minor removal


On 19 Jan 2006 10:57:24 -0000, Andreas Hauser <andy@xxxxxxxxxxxxxxx> wrote:
> kkenn wrote @ Sun, 15 Jan 2006 04:45:07 -0500:
> > Is there even any evidence that it costs performance?
> Yes. Look into FreeBSD mailinglist archives and find it doubling the time
> for some tests (afair phk then implemented some direct passthrough that
> mends it a bit). Since the whole concept of GEOM also leads one to think
> that it must be slower, maybe FreeBSD can show benchmarks, that show, that
> it is not indeed slower.
> Andy

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