[CRIU] [PATCH] img: Remove empty lazy images after dump

[Cyrill Gorcunov]

On Fri, May 29, 2015 at 02:45:57PM +0300, Pavel Emelyanov wrote:
> If dump doesn't generate data into some image file the respective file
> is not created at all as it used to be in 1.5. This brings potential
> problem -- if the file with the image name exists during dump (e.g. a
> dump file left from previous, maybe unsuccessful, dump) then restore
> would pick this file and read bad/wrong/fake data from it.
> 
> To return the proper behavior back the file with the name of empty image
> should be removed.
> 
> Signed-off-by: Pavel Emelyanov <xemul at parallels.com>
> ---

Heh. Maybe it worth to add some unique signature into image headers
(uuid or something) which would make criu be sure that image belong
the dump?