def is_allowed(self, filename):
        return True
Return usage info for volumes attached to vms on
dataset/ETHPy150Open limodou/uliweb/uliweb/contrib/staticfiles/wsgi_staticfiles.py/StaticFilesMiddleware.is_allowed--crossover with--dataset/ETHPy150Open BU-NU-CLOUD-SP16/Trusted-Platform-Module-nova/nova/virt/fake.py/FakeDriver.get_all_volume_usage