From: Charles Manning <manningc2@actrix.gen.nz>
To: Jeff Lin <jlin87@yahoo.com>, linux-mtd@lists.infradead.org
Subject: Re: FTL of compact flash card
Date: Wed, 1 Jan 2003 20:43:02 +1300 [thread overview]
Message-ID: <20030101074730.0D64C158A5@dragon.actrix.co.nz> (raw)
In-Reply-To: <20021231194227.16581.qmail@web40412.mail.yahoo.com>
>From what I read here, what you want is a mapping that provides a block-wise
interface to the flash.
JFFSx is a file system. That will not do what you want.
What you need is some block-like FTL like NFTL or whatever goes on inside a
Compact Flash or ATA card. I am not aware of any open source code that will
do what you want. As far as I can tell all this code is fiercely guarded by
companies like Sandisk and MSystems.
Maybe someone can be more helpful.....
-- CHarles
On Wed, 01 Jan 2003 08:42, Jeff Lin wrote:
> Hello, all,
>
> First, Happy new year to you!
>
> I am looking for a FTL (flash translation layer)code
> that will emulates the flash memory as a IDE disk
> for the controller IC inside the compact flash card.
>
> The FTL will need to do logical to physical address
> mapping, bad block management, and wear level
> algorithm. There is no File system needed, instead,
> the FTL will talk to the native file system.
>
> Is there any open source code of FTL available? Can
> NFTL or JFFS/JFFS2 be tailored for this purpose? As
> for commercial FTL, which commercial code is
> good/reliable and relatively inexpensive?
>
> Thank you very much for help,
> Jeff
>
>
>
>
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next prev parent reply other threads:[~2003-01-01 7:16 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20021231120008.22857.80291.Mailman@pentafluge.infradead.org>
2002-12-31 19:42 ` FTL of compact flash card Jeff Lin
2003-01-01 7:43 ` Charles Manning [this message]
2003-01-01 14:55 ` Henrik Nordstrom
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