From mboxrd@z Thu Jan  1 00:00:00 1970
From: Heiko Schocher <hs@denx.de>
Date: Tue, 28 May 2013 06:10:58 +0200
Subject: [U-Boot] dfu: dfu and UBI Volumes
In-Reply-To: <20130527204127.GY17119@bill-the-cat>
References: <519F97CA.4060901@denx.de>
	<6AD958CB-3CFC-4362-B72D-511147D041AC@antoniou-consulting.com>
	<20130524171213.GT17119@bill-the-cat> <51A1B522.2050405@denx.de>
	<20130527090254.5071e4fd@amdc308.digital.local>
	<51A30B24.8080405@denx.de>
	<806D7741-02D5-4D95-9A66-E492ED30A4B1@antoniou-consulting.com>
	<51A30F34.7030603@denx.de>
	<20130527162551.65FFD380E6A@gemini.denx.de>
	<7E1B5EF8-454B-4AD4-A49F-D5752EA7036C@antoniou-consulting.com>
	<20130527204127.GY17119@bill-the-cat>
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Hello Tom,

Am 27.05.2013 22:41, schrieb Tom Rini:
> On Mon, May 27, 2013 at 07:29:02PM +0300, Pantelis Antoniou wrote:
>> Hi
>>
>> On May 27, 2013, at 7:25 PM, Wolfgang Denk wrote:
>>
>>> Dear Heiko Schocher,
>>>
>>> In message <51A30F34.7030603@denx.de> you wrote:
[...]
>> I pretty much agree. UBI looks like it's partition type.
>>
>> BTW, the whole point of DFU is not to store your image in RAM at all.
>> There are very few systems that have that much RAM.
> 
> This _may_ be the hard part for UBI.  When doing raw block writes for
> NAND/MMC, we're able to write them out quickly and thus support images
> larger than RAM.  But for filesystems we don't support that notion in
> general for write and so limit ourselves to 8MiB or so files.  Fine for
> the most part, but not fine for UBI.  It's possible that we can support
> this on UBI easier than we can on filesystems, but I just don't know.

I also do not know this at the moment :-(

Maybe a UBI expert can help here?

bye,
Heiko
-- 
DENX Software Engineering GmbH,     MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany