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Commit 1d330ec6f9186bda04fdf63ed513cd0cc84bd102

Authored by Milan Broz
Committed by Alasdair G Kergon
1 parent b0988900ba
Exists in smarc-l5.0.0_1.0.0-ga and in 5 other branches imx_3.10.17_1.0.1_ga, imx_3.10.53_1.1.0_ga, imx_3.14.28_1.0.0_ga, smarc-imx_3.10.53_1.1.0_ga, smarc-imx_3.14.28_1.0.0_ga

dm: document sysfs entries 

Describe attributes provided by device-mapper in /sys/block.

Signed-off-by: Milan Broz <mbroz@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>

Showing 1 changed file with 25 additions and 0 deletions Side-by-side Diff

Documentation/ABI/testing/sysfs-block-dm
Diff comments   View file @ 1d330ec
  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