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Commit 1d330ec6 authored by Milan Broz's avatar Milan Broz Committed by Alasdair G Kergon
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dm: document sysfs entries 



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

Signed-off-by: default avatarMilan Broz <mbroz@redhat.com>
Signed-off-by: default avatarAlasdair G Kergon <agk@redhat.com>
parent b0988900

Documentation/ABI/testing/sysfs-block-dm

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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