From: Milan Broz Date: Wed, 28 Mar 2012 17:41:23 +0000 (+0100) Subject: dm: document sysfs entries X-Git-Tag: upstream/snapshot3+hdmi~7845^2~21 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=1d330ec6f9186bda04fdf63ed513cd0cc84bd102;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git dm: document sysfs entries Describe attributes provided by device-mapper in /sys/block. Signed-off-by: Milan Broz Signed-off-by: Alasdair G Kergon --- diff --git a/Documentation/ABI/testing/sysfs-block-dm b/Documentation/ABI/testing/sysfs-block-dm new file mode 100644 index 0000000..87ca569 --- /dev/null +++ b/Documentation/ABI/testing/sysfs-block-dm @@ -0,0 +1,25 @@ +What: /sys/block/dm-/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-/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-/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