def _fssys(name, value=None, log_lvl=None, log_msg=None):
    fspath = _fspath()
    if not fspath:
        return False
    else:
        return _sysfs_attr([fspath, name], value, log_lvl, log_msg)
An empty list is returned if there are no devices listed.
dataset/ETHPy150Open saltstack/salt/salt/modules/bcache.py/_fssys--crossover with--dataset/ETHPy150Open ClusterHQ/flocker/flocker/node/agents/test/test_blockdevice.py/LosetupListTests.test_parse_empty