dm: document sysfs entries
[~shefty/rdma-dev.git] / Documentation / ABI / testing / sysfs-block-dm
1 What:           /sys/block/dm-<num>/dm/name
2 Date:           January 2009
3 KernelVersion:  2.6.29
4 Contact:        dm-devel@redhat.com
5 Description:    Device-mapper device name.
6                 Read-only string containing mapped device name.
7 Users:          util-linux, device-mapper udev rules
8
9 What:           /sys/block/dm-<num>/dm/uuid
10 Date:           January 2009
11 KernelVersion:  2.6.29
12 Contact:        dm-devel@redhat.com
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
17
18 What:           /sys/block/dm-<num>/dm/suspended
19 Date:           June 2009
20 KernelVersion:  2.6.31
21 Contact:        dm-devel@redhat.com
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