zhashfs: write first block last

[Daniel Drake]

On 5 May 2011 22:25, Mitch Bradley <wmb at laptop.org> wrote:
> It would be necessary to erase the entire device, rather than just the
> number of blocks specified by the zblocks: line, because that number is not
> known until very late in the process.
>
> Erasing everything is probably not a bad idea.

Another option could be to erase from the start of the disk to the
point where the nandblaster image was saved.

Daniel