1 What: /sys/block/dm-<num>/dm/name
5 Description: Device-mapper device name.
6 Read-only string containing mapped device name.
7 Users: util-linux, device-mapper udev rules
9 What: /sys/block/dm-<num>/dm/uuid
13 Description: Device-mapper device UUID.
14 Read-only string containing DM-UUID or empty string
15 if DM-UUID is not set.
16 Users: util-linux, device-mapper udev rules
18 What: /sys/block/dm-<num>/dm/suspended
22 Description: Device-mapper device suspend state.
23 Contains the value 1 while the device is suspended.
24 Otherwise it contains 0. Read-only attribute.
25 Users: util-linux, device-mapper udev rules