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Message-ID: <3C69AD53.40F82438@mandrakesoft.com>
Date: Tue, 12 Feb 2002 19:03:31 -0500
From: Jeff Garzik <jgarzik@mandrakesoft.com>
Organization: MandrakeSoft
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To: Andrew Morton <akpm@zip.com.au>
CC: Jan Hudec <bulb@ucw.cz>, linux-kernel@vger.kernel.org,
        Matt Gauthier <elleron@yahoo.com>
Subject: Re: secure erasure of files?
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			<20020212165504.A5915@devcon.net>; from aferber@techfak.uni-bielefeld.de on Tue, Feb 12, 2002 at 04:55:04PM +0100 <20020212204710.A7416@artax.karlin.mff.cuni.cz> <3C697A1D.4599DDE@zip.com.au>
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Andrew Morton wrote:
> 
> Jan Hudec wrote:
> >
> > > I don't know if any filesystem currently relocates blocks if you
> > > overwrite a file, but it's certainly possible and allowed (everything
> > > else except the filesystem itself simply must not care where the data
> > > actually ends up on the disk).
> >
> > AFAIK, ext2 tries to defragment files when possible.
> 
> We wish.

ext2meta will defragment yer files for ya, though.  Coming soon to a
kernel near you :)

My home directory disk, a raid-1 mirror, just crossed 15 percent
fragmentation last week, I noticed...  The filesystem is maybe 1.5-2
years old.

	Jeff


-- 
Jeff Garzik      | "I went through my candy like hot oatmeal
Building 1024    |  through an internally-buttered weasel."
MandrakeSoft     |             - goats.com
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