[PATCH] nandwrite: add --nobad to write bad blocks

[Jon Povey]

linux-mtd-bounces at lists.infradead.org wrote:
> On Wed, Sep 29, 2010 at 08:59, Artem Bityutskiy wrote:
>> But speaking about erasing bad eraseblocks, which we also discussed,
>> I think you have a good point - we should probably distinguish
>> between factory-marked bad eraseblocks and user-marked. AFAIR, the
>> OOB marker for them was even different, or in BBT, do not really
>> remember.

> i think you're correct here too.  i havent seen any indication that
> factory-marked bad blocks are distinguished in any way from
> user-marked bad blocks.  either in the software BBT or in the OOB
> layout. -mike

I remember reading somewhere that the BBT is designed to distinguish
them, e.g. here:
http://wiki.laptop.org/go/NAND_Flash_Bad_Block_Table#Bad_Block_Table_Format

I haven't looked in the code to see if that's actually used, though.


--
Jon Povey
jon.povey at racelogic.co.uk

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