On Thu, 2012-06-14 at 12:14 -0400, Nicolas Pitre wrote:

Let's not forget that, in almost all cases, filesystem images are not 
created live on the final medium.  Factories are picking a batch of 
flash devices and a pre-built filesystem image is stamped on them, and 
there might not even be a guarantee that those flash devices will all 
have the same characteristics.  So to say that making this tuning at 
mkfs time is probably not the best strategy.

Good point. But we can always set the eraseblock size in the superblock
to -1 which would mean "unknown".

-- 
Best Regards,
Artem Bityutskiy