From owner-freebsd-geom@FreeBSD.ORG  Mon Aug 28 20:07:19 2006
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To: Christian Laursen <xi@borderworlds.dk>
From: "Poul-Henning Kamp" <phk@phk.freebsd.dk>
In-Reply-To: Your message of "Mon, 28 Aug 2006 18:37:07 +0200."
	<ygfpsek95qk.fsf@dominion.borderworlds.dk> 
Date: Mon, 28 Aug 2006 20:07:17 +0000
Message-ID: <6952.1156795637@critter.freebsd.dk>
Cc: freebsd-geom@FreeBSD.org
Subject: Re: Geom class project idea - geom_cow 
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In message <ygfpsek95qk.fsf@dominion.borderworlds.dk>, Christian Laursen writes
:
>I have an idea for a geom class that I think could be useful in a number
>of scenarios.
>
>The basic idea is that it takes two existing providers and uses the first
>one as a starting point and the other one to keep changes to the first
>one using copy-on-write.

This one has been one of the inspirations for GEOMs generality from
the very beginning, but so far nobody has actually written it.

-- 
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk@FreeBSD.ORG         | TCP/IP since RFC 956
FreeBSD committer       | BSD since 4.3-tahoe    
Never attribute to malice what can adequately be explained by incompetence.