[RFC/PATCH v2] ubi: Add ubiblock read-write driver

[Matthieu CASTET]

Mike Frysinger a écrit :
> On Friday 19 April 2013 08:31:13 Artem Bityutskiy wrote:
>> On Fri, 2013-04-19 at 07:57 -0400, Mike Frysinger wrote:
>>> the reason we're talking about not allowing write support at the
>>> *block* layer
>>> is because it's questionable how many people actually want this, the
>>> performance isn't good (compared to native flash filesystems), and
>>> because the
>>> write/wear characteristics are unknown.
>> My opinion that unless people demonstrate that they need this, e.g. in a
>> product, etc, we should not merge this stuff.
>>
>> We recently merged fastmap, which is a big chunk of code, and it looks
>> like no one really needs it. There was a problem report, and Richard
>> promised to look, but did not. I do not blame him, he is a busy guy. But
>> this shoes that this feature is not really needed, while adds
>> maintenance burden.
>>
>> To put it differently, I do recommend to merge more UBI-related code
>> without a solid user-base.
> 
> also to be clear, i plan on using UBI block in read-only mode, so i'd like to 
> see an ubiblock driver merged
>
Why can't you use gluebi + mtdblock ?

Too much overhead ?


Matthieu