[PATCH] Make the mtdblock read/write skip the bad nand sector

[Hans Zhang]

On 2013/11/25 18:23, Richard Genoud wrote:
>
> Well, yes, write through the char device would be a solution.
>> But, *why* are you writing through mtdblock instead?
>>
>>> I think that maybe it's an optional approach through mtdblock in case we do not have
>>> the mtd-tools in our environments, we do provider a simpler way to write the NAND
>>> through mtdblock.
>>>
>> Uh? simpler? Writing through mtdchat is as simple as it gets:
>>
>>   $ cat some_file.img > /dev/mtd0
>>
>> Sorry, but I'm still confused at what are you trying to accomplish.
> I think that what Hans wants to do is:
>  $ cat some_file.img > /dev/mtd0
> And that doesn't fail on a bad block but jumps over it.
> ... Which is a bad idea.
> But, likeyou, I didn't figured out why mtdblock instead of mtdchar.
>
>

I'm sorry it's my mistake, I thought the NAND need to be erased explicitly in userspace
before written when through the mtdchar device. That's why I use the mtdblock instead of
mtdchar.

Please ignore this patch, and thank you all for so kindly.

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