[PATCH 1 of 5] transaction: change the on disk format for backupentries

[Pierre-Yves David]

On 11/14/2014 08:30 AM, Pierre-Yves David wrote:
> Once I've this true, I can move to the next step: Change the format to
> ensure an atomic "write" of the data from a reader perspective. But I
> needs some to write atomically in the first place ;-)

Also: the thing discussed during the sprint requires a repository format 
change. I would be happy if old client//repo can get some of the candy 
(with still some race condition possible, but far less).

-- 
Pierre-Yves David