Is there really need to build Block Device Emulation over UBI?

[Nancy]

> The problem with mtdblock is that when it needs to change an eraseblock,
> it reads it, erases, then writes new data to it, which would cause data
> loss in case of an unclean reboot.

If I can delay  the erase operation, then it perfect works?  when
change a eraseblock, reads it(from old mapped PEB) , then writes new
data to it(new mapped PEB), finally erase the old mapped PEB.

How about that?


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Best Wishes,
Nancy