Cram FS on NAND - How to do this?

David Woodhouse dwmw2 at
Wed Jun 11 04:51:06 EDT 2003

On Wed, 2003-06-11 at 09:43, Pantelis Antoniou wrote:
> Hi
> As it currently stands the only filesystems supporting
> raw NAND flash are:
> JFFS2: Read/write, compressed, best support, slow startup.
> YAFFS: Read/write, not compressed, newcomer, fast startup.
> I have a requirement to have a compressed read only
> root filesystem in my board and I've come to the
> conclussion that the best fit would be CRAMFS if only
> had any concept of bad blocks.

I think it would probably be better to implement this as a block device
driver, or perhaps as an extension to the existing mtdblock/mtdblock_ro


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