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[dm-devel] [PATCH] dm: add documentation of sysfs interface



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

Signed-off-by: Milan Broz <mbroz redhat com>
---
 Documentation/ABI/testing/sysfs-block-dm |   25 +++++++++++++++++++++++++
 1 files changed, 25 insertions(+), 0 deletions(-)
 create mode 100644 Documentation/ABI/testing/sysfs-block-dm

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-<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
-- 
1.7.7.3


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