From: Artem Bityutskiy <dedekind@infradead.org>
To: Philip Rakity <prakity@yahoo.com>
Cc: linux-mtd@lists.infradead.org
Subject: Re: Do not understand use of oobfree
Date: Mon, 05 Feb 2007 10:22:42 +0200 [thread overview]
Message-ID: <1170663762.3628.56.camel@sauron> (raw)
In-Reply-To: <872380.68552.qm@web58702.mail.re1.yahoo.com>
On Sun, 2007-02-04 at 19:58 -0800, Philip Rakity wrote:
> I am asking because if I have a flash device that does not map per the
> standard includes do I have to touch jffs2 to get things to work.
I've just submitted a patch which teaches UBI to use MTD_OOB_AUTO
option. Please, make sure your driver supports it and try the patch.
The idea is that it is not application's business to know details of OOB
- where ECC bytes ate stored, BB marker, etc. This is all legacy stuff,
conceptually wrong. We now (thankfully) have the MTD_OOB_AUTO and it
should be used instead. It represents free OOB bytes as a contiguous
buffer and allows you read to it and write from it.
The patches are not in Mainline, not even in mtd-2.6.git yet. They are
at
git://git.infradead.org/~dedekind/dedekind-mtd-2.6.git.
Or web
http://git.infradead.org/?p=users/dedekind/dedekind-mtd-2.6.git;a=summary
Try this and send us your success story or the complaint.
P.S. I don't know why we don't remove the legacy OOB-related stuff - but
I am all for it.
--
Best regards,
Artem Bityutskiy (Битюцкий Артём)
next prev parent reply other threads:[~2007-02-05 8:23 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-02-05 3:58 Do not understand use of oobfree Philip Rakity
2007-02-05 8:22 ` Artem Bityutskiy [this message]
2007-02-05 9:14 ` Artem Bityutskiy
2007-02-06 16:10 ` Philip Rakity
2007-02-05 12:46 ` Adrian Hunter
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