zhashfs: write first block last

[Chris Ball]

Hi,

On Sun, Mar 20 2011, Daniel Drake wrote:>
> 1. Is this approach a good idea?

Sounds great to me.

> 2. Are we bothered by a misleading WARNING message appearing at the
> end of the flashing process for those running on old/current firmware?
> (a firmware update would fix this in future)

I expect it'll cause people to report it to us or OLPCA as an error, yeah.
Am I right in thinking that a .zd is actually just a signed forth script?
Could we patch the misleading behavior inside the generated .zd, and would
that be a good idea?

- Chris.
-- 
Chris Ball   <cjb at laptop.org>   <http://printf.net/>
One Laptop Per Child