This test checks that the OverlayFS fixup for CRIU works correctly
by dumping and restoring a process that has an open file in an
OverlayFS mounted directory. This should work no matter if the
Kernel has the OverlayFS bug or not.
Signed-off-by: Gabriel Guimaraes <gabriellimaguimaraes@gmail.com>
Signed-off-by: Pavel Emelyanov <xemul@parallels.com>