From: Artem Bityutskiy <dedekind1@gmail.com>
To: Holger Brunck <holger.brunck@keymile.com>
Cc: Stefan Roese <sr@denx.de>,
linux-mtd@lists.infradead.org, "agust@denx.de" <agust@denx.de>,
Detlev Zundel <dzu@denx.de>
Subject: Re: MTD concat support for linux and UBI
Date: Sat, 22 Jan 2011 18:07:03 +0200 [thread overview]
Message-ID: <1295712423.3712.7.camel@koala> (raw)
In-Reply-To: <4D3845AE.2040002@keymile.com>
On Thu, 2011-01-20 at 15:24 +0100, Holger Brunck wrote:
> Hi all,
> I have got a general question to the MTD concat feature in Linux. Is it allowed
> to concatenate NOR flashes with different writebuffersizes? Currently the code
> allows this.
> If so I see a problem for different sizes when dealing with UBI volumes
> comprehending such flashes. Some days ago some patches were added to adjust the
> min I/O size for UBI to the writebuffersize of the flash. If now two flashes
> with different writebuffersizes are concatenated whats the way forward? I see
> two solutions:
> 1) Using the writebuffersize from the flash with the largest writebuffer for min
> I/O size in UBI.
I think this is the way to go.
> 2) Adapting the concat feature in Linux to forbid concatenating flashes with
> different writebuffersizes.
--
Best Regards,
Artem Bityutskiy (Битюцкий Артём)
prev parent reply other threads:[~2011-01-22 16:07 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-01-20 14:24 MTD concat support for linux and UBI Holger Brunck
2011-01-20 14:59 ` Norbert van Bolhuis
2011-01-22 16:07 ` Artem Bityutskiy [this message]
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