This is a variant of overlay file handles with renames test for an
overlayfs that is composed of multiple lower layers not on the same
underlying fs.
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Reviewed-by: Eryu Guan <eguan@redhat.com>
Signed-off-by: Eryu Guan <eguan@redhat.com>