Convert ext3 to ext4

[Bob Gustafson]

On Mon, 2009-03-30 at 08:55 -0500, Eric Sandeen wrote:

> FWIW there is supposed to be an ext3->ext4 migration via anaconda if you
> boot with "ext4migrate" on the cmdline.

Hmm, by definition an 'update' - and failure is not an option - can't go
back to FC10.

Testing of this option on Anaconda would include having a FC10 whole
disk image - to re-image disks for the next test.