[PATCH] UBI: Do not try to autoresize in readonly mode

Pali Rohár pali.rohar at gmail.com
Fri Aug 24 11:59:56 EDT 2012


On Friday 24 August 2012 18:57:01 Artem Bityutskiy wrote:
> On Fri, 2012-08-24 at 17:48 +0200, Pali Rohár wrote:
> > > > BTW, is there userspace tool for unpacking data from
> > > > ubifs
> > > > image without need to simulate nand device in kernel?
> > > 
> > > Unfortunately no.
> > 
> > Ok. I have patch for block2mtd.ko which allows me to mount
> > ubifs image in way: losetup --> block2mtd --> ubiattach -->
> > mount without nandsim. I needed to patch block2mtd, because
> > ubi code needs correct erase size, write size nand subpage
> > shift and full image size. So I added params for these
> > properties in block2mtd code - and it working. But I do not
> > know if this is correct way, but I can send my patch.
> 
> Why do you need to use block2mtd? If you have an image for NOR
> flash, use mtdram, if it is for NAND - use nandsim. What
> prevents you from using mtdram or nandsim?

I do not know why, but copying 256 MB image to nandsim takes more 
time than losetup & block2mtd & mount...

-- 
Pali Rohár
pali.rohar at gmail.com
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