[PATCH] Error free RO mtdblock device for NAND chips

[Pantelis Antoniou]

Hi there

Following the discussion in the list the previous day
here is a patch that implements a very simple read-only
error free block device interface in order to allow
NAND chips to use filesystems like CRAMFS.

The theory of operation is very simple.

There is a mapping array for every block in the device
which provides the number of the physical NAND block
which it resides.

This is not the final driver. It's only a base for
discussion for the list.

I haven't done any serious tests really, but I was
able to mount a CRAMFS filesystem over it and
read files OK.

Comments and/or flames welcome.

Regards

Pantelis

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