[PATCH 1/7] [RFC] UBI: Add checkpoint on-chip layout

[Richard Weinberger]

Am 11.05.2012 14:21, schrieb Artem Bityutskiy:
>>> It is weird that you do not have an array of ECs instead for _every_
>>> PEB. Why wasting the flash and time writing/reading this data?
>>
>> By array of ECs you mean that all ec values are written to the flash
>> and pnum is the index?
>> Sounds sane.
> 
> Yes, to me it sounds like the only sane way, unless there is a strong
> reason to have redundant "pnum" fields. :-)

While looking at my own code a bit closer I found out why I haven't used the
array approach. B-)
Currently only ec values for PEBs within the free and used list are stored.
Therefore, the array can have gaps. E.g. If PEB X is in the erroneous list.

Thanks,
//richard

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