From mboxrd@z Thu Jan  1 00:00:00 1970
From: Nick Edelen <sirnot@gmail.com>
Subject: Re: [PATCH 0/5] Suggested for PU: revision caching system to 
	significantly speed up packing/walking
Date: Sat, 8 Aug 2009 09:40:39 +0200
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Cc: Junio C Hamano <gitster@pobox.com>, Nicolas Pitre <nico@cam.org>,
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To: Jeff King <peff@peff.net>
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> That might be useful, but I was thinking more of an "alternates"-like
> mechanism between repos. So that the data is stored only once on disk
> and in the disk cache, which is helpful for sites like kernel.org which
> serve many similar repositories.

Oh, right.  Yes, that seems like it could work.  We'd have to be
careful that a shared cache slice wouldn' change (like in a fuse or
something), but other than that we could have something as simple as a
link.