From: Artem Bityutskiy <dedekind@infradead.org>
To: "Jörn Engel" <joern@logfs.org>
Cc: linux-mtd@lists.infradead.org,
"Martin Däumler" <martin.daeumler@s2003.tu-chemnitz.de>
Subject: Re: Real-time flash simulator
Date: Fri, 22 Jun 2007 13:59:54 +0300 [thread overview]
Message-ID: <1182509994.4403.81.camel@sauron> (raw)
In-Reply-To: <20070622102444.GD17988@lazybastard.org>
On Fri, 2007-06-22 at 12:24 +0200, Jörn Engel wrote:
> On Fri, 22 June 2007 12:11:29 +0200, Martin Däumler wrote:
> >
> > that is right! The idea is to use a (not specified) file system which
> > performs in-place updates on top of this layer. This layer should map
> > logical to physical erase units. So, wear-levelling possibly could be
> > used to "displace" garbage collection. The goal is to decrase latency
> > and above all make it more deterministic.
>
> Sounds just like FAT on smartmedia. Worst case latency is both
> deterministic and low. Random writes of small blocks are also
> prohibitively slow. Works great when writing few large files, like jpg
> images in digital cameras.
It is about EB mappings, not FTL.
--
Best regards,
Artem Bityutskiy (Битюцкий Артём)
next prev parent reply other threads:[~2007-06-22 11:00 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-06-22 7:19 Real-time flash simulator Martin Däumler
2007-06-22 8:09 ` Artem Bityutskiy
2007-06-22 9:23 ` Martin Däumler
2007-06-22 9:39 ` Jörn Engel
2007-06-22 10:11 ` Martin Däumler
2007-06-22 10:24 ` Jörn Engel
2007-06-22 10:59 ` Artem Bityutskiy [this message]
2007-06-22 11:54 ` Jörn Engel
2007-06-22 11:06 ` Martin Däumler
2007-06-22 8:26 ` Jörn Engel
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