红帽全球峰会A.2.4. dmsetup deps 命令
dmsetup deps device 命令为指定设备的映射列表参考的设备提供（major，minor）对列表。如果您没有指定设备名称，则输出所有目前配置的设备映射器设备信息。
以下示例显示列出在所有目前配置的映射设备相依性的命令。
以下示例显示只列出设备
lock_stress-grant--02.1722 相依性的命令：
dmsetup deps lock_stress-grant--02.1722
# dmsetup deps lock_stress-grant--02.1722
3 dependencies : (253, 33) (253, 32) (253, 31)
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