From: Brian Norris <computersforpeace@gmail.com>
To: Daniel Bowen <dbowen@logitech.com>
Cc: linux-mtd@lists.infradead.org
Subject: Re: Question about ubiformat
Date: Fri, 8 Aug 2014 09:27:04 -0700 [thread overview]
Message-ID: <20140808162704.GR3711@ld-irv-0074> (raw)
In-Reply-To: <1b4901cfb31a$ee57b240$cb0716c0$@com>
On Fri, Aug 08, 2014 at 09:10:44AM -0600, Daniel Bowen wrote:
> Great, thanks for the response! So, if the mtd partition were say 500 erase
> blocks large, and the image was 300 erase blocks large, would "ubiformat
> /dev/mtd4 -f /mnt/source/ubi.img"
> 1. only touch the first 300 blocks of the partition, and leave the other 200
> unmodified? Or
> 2. would it write the image into the first 300 blocks, and erase the
> remaining 200 blocks?
It erases every block, writes the image to the first 300, and programs
EC headers to the last 200.
The source for ubiformat is actually pretty simple and easy to read.
Check it out yourself!
http://git.infradead.org/mtd-utils.git
Brian
next prev parent reply other threads:[~2014-08-08 16:27 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-08-08 0:06 Question about ubiformat Daniel Bowen
2014-08-08 6:19 ` Brian Norris
2014-08-08 15:10 ` Daniel Bowen
2014-08-08 16:27 ` Brian Norris [this message]
2014-08-08 16:34 ` Artem Bityutskiy
2014-08-08 16:55 ` Daniel Bowen
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