Depreciate and remove gbde

[Martin Cracauer]

Yonas Yanfa wrote on Sun, Oct 18, 2015 at 06:36:19AM -0400: 
> 
> Is there any objection to removing gbde? How many people use gbde? When 
> have you used gbde over geli, and why?

You would exclude all current users from accessing their existing
filesystems or whatever they put into that block device.

A conversion tool would pretty much be forced to use the current
kernel layers (doing the block chaining in userspace would be
annoying), and it would be fundamentally unsafe to have your
half-converted filesystem on disk in case of an interruption.  Plus I
think GELI uses a bigger header so you might fall short by a couple of
bytes and you can't do anything about it on the block level with no
access to the filesystem.

And people might not have their gbde units accessible right now, it
might be on a laptop in a closet on a different continent.

Martin
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Martin Cracauer <cracauer at cons.org>   http://www.cons.org/cracauer/