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Date: 2 Jun 2004 21:20:45 +0200
Date: Wed, 2 Jun 2004 21:20:45 +0200
From: Andi Kleen <ak@muc.de>
To: linux-kernel@vger.kernel.org
Subject: Re: [PATCH] 3/5: Device-mapper: snapshots
Message-ID: <20040602192045.GA87771@colin2.muc.de>
References: <22Gkd-1AX-17@gated-at.bofh.it> <m3r7sx6dip.fsf@averell.firstfloor.org> <20040602185924.GS6302@agk.surrey.redhat.com>
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> > Is this target supposed to be crash safe? What happens when
> > the computer crashes while writing to such a volume?
>  
> The intention is for snapshot & origin still to be consistent with each other
> on disk.  (No barriers yet, but some synchronous writes.)

So it's supposed to be crash safe? 

How about documenting this somewhere in the source?

-Andi