Re: Userspace write to UBI partitions

[Artem Bityutskiy <dedekind1@gmail.com>]

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On Wed, 2012-02-08 at 08:35 +0100, Ricard Wanderlof wrote:
> On Tue, 7 Feb 2012, Shmulik Ladkani wrote:
> 
> >> I'll try this out. In the meantime, there doesn't seem to be an ioctl for
> >> erasing blocks?
> >>
> > Well, another option would be using Gluebi - (CONFIG_MTD_UBI_GLUEBI).
> > It exposes a "regular" mtd for every existing volume.
> >
> > You'd be able to work using standard mtd interfaces on it (mtdchar
> > ioctls, e.g. MEMERASE, or even the mtdblock abstraction).
> 
> For other reasons, gluebi is not a viable alternative for us. Mainly 
> because it puts an mtd device on _every_ ubi volume, meaning that volumes 
> can't be removed or resized while gluebi is enabled.

I do not recommend to use gluebi in general - it is just a hack, but the
limitation you brought up is fixable if you really need to :-)

-- 
Best Regards,
Artem Bityutskiy

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