Subject: Re: Reiser4 status: benchmarked vs. V3 (and ext3)
From: Yury Umanets <umka@namesys.com>
To: Daniel Egger <degger@fhm.edu>
Cc: Hans Reiser <reiser@namesys.com>, Nikita Danilov <Nikita@Namesys.COM>,
       Linux Kernel Mailinglist <linux-kernel@vger.kernel.org>,
       reiserfs mailing list <reiserfs-list@namesys.com>
In-Reply-To: <1059315015.10692.207.camel@sonja>
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Date: Sun, 27 Jul 2003 18:15:05 +0400
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On Sun, 2003-07-27 at 18:10, Daniel Egger wrote:
> Am Son, 2003-07-27 um 15.28 schrieb Hans Reiser:
> 
> > it is suitable for any flash device that has wear leveling built into 
> > the hardware (e.g. all compact flash cards)
> 
> Are you sure CF cards have wear leveling? I'm pretty confident that they
> have defect sector management but no wear leveling. There's a huge
> difference between those two.
> 
> > or for which a wear leveling block device driver is used (I don't know
> > if one exists for Linux).
> 
> This is normally done by the filesystem (e.g. JFFS2).

Normally device driver should be concerned about making wear out
smaller. It is up to it IMHO.

-- 
We're flying high, we're watching the world passes by...

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