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| author |   Milan Broz <mbroz@redhat.com> | 2012-03-28 18:41:23 +0100 |
|---|---|---|
| committer |   Alasdair G Kergon <agk@redhat.com> | 2012-03-28 18:41:23 +0100 |
| commit | 1d330ec6f9186bda04fdf63ed513cd0cc84bd102 (patch) | |
| tree | 037b8a6e4797ff7c9668d63f7136097d020400e7 /Documentation | |
| parent | dm persistent data: fix btree rebalancing after remove (diff) | |
| download | linux-dev-1d330ec6f9186bda04fdf63ed513cd0cc84bd102.tar.xz linux-dev-1d330ec6f9186bda04fdf63ed513cd0cc84bd102.zip | |
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>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-block-dm | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-block-dm b/Documentation/ABI/testing/sysfs-block-dm new file mode 100644 index 000000000000..87ca5691e29b --- /dev/null +++ b/Documentation/ABI/testing/sysfs-block-dm @@ -0,0 +1,25 @@ +What: /sys/block/dm-<num>/dm/name +Date: January 2009 +KernelVersion: 2.6.29 +Contact: dm-devel@redhat.com +Description: Device-mapper device name. + Read-only string containing mapped device name. +Users: util-linux, device-mapper udev rules + +What: /sys/block/dm-<num>/dm/uuid +Date: January 2009 +KernelVersion: 2.6.29 +Contact: dm-devel@redhat.com +Description: Device-mapper device UUID. + Read-only string containing DM-UUID or empty string + if DM-UUID is not set. +Users: util-linux, device-mapper udev rules + +What: /sys/block/dm-<num>/dm/suspended +Date: June 2009 +KernelVersion: 2.6.31 +Contact: dm-devel@redhat.com +Description: Device-mapper device suspend state. + Contains the value 1 while the device is suspended. + Otherwise it contains 0. Read-only attribute. +Users: util-linux, device-mapper udev rules |