RFC: direct MTD support for SquashFS

[Ferenc Wagner]

Now with the patch series, sorry.

Ferenc Wagner <wferi at niif.hu> writes:

> I've got one more patch, which I forgot to export, to pull out the
> common logic from the backend init functions back into squashfs_read_data().
> With the bdev backend, that entails reading the first block twice in a
> row most of the time.  This again could be worked around by extending
> the backend interface, but I'm not sure if it's worth it.

Here it is.  I also corrected the name of SQUASHFS_METADATA_SIZE, so it
may as well compile now.
-- 
Regards,
Feri.