code: def disks():
      '''
      Return list of disk devices
      '''
      if salt.utils.platform.is_freebsd():
          return _freebsd_geom()
      elif salt.utils.platform.is_linux():
          return _linux_disks()
      elif salt.utils.platform.is_windows():
          return _windows_disks()
      else:
          log.trace('Disk grain does not support OS'f disks():
      '''
      Return list of disk devices
      '''
      if salt.utils.platform.is_freebsd():
          return _freebsd_geom()
      elif salt.utils.platform.is_linux():
          return _linux_disks()
      elif salt.utils.platform.is_windows():
          return _windows_disks()
      else:
          log.trace('Disk grain does not support OS')
docs: Return list of disk devices