def _bcsys(dev, name, value=None, log_lvl=None, log_msg=None):
    return _sysfs_attr([_bcpath(dev), name], value, log_lvl, log_msg)
v is a tuple of x/y coordinates to move object
dataset/ETHPy150Open saltstack/salt/salt/modules/bcache.py/_bcsys--crossover with--dataset/ETHPy150Open robotpy/pyfrc/lib/pyfrc/sim/field/elements.py/DrawableElement.move