def GetDeviceSizeFromPath(self, path):
    df_command = "df -k -P %s | tail -n +2 | awk '{ print $2 }'" % path
    stdout, _ = self.RemoteCommand(df_command)
    return int(stdout)
Mark the field as editable so that it can be specified in
dataset/ETHPy150Open GoogleCloudPlatform/PerfKitBenchmarker/perfkitbenchmarker/linux_virtual_machine.py/BaseLinuxMixin.GetDeviceSizeFromPath--crossover with--dataset/ETHPy150Open stephenmcd/mezzanine/mezzanine/generic/fields.py/KeywordsField.__init__