[Xen-devel] [PATCH] xen/blkback: update sysfs interface documentation

[Aishwarya Pant <aishpant@xxxxxxxxx>]

Add documentation for statistic attribute ds_req - the number of
discarded requests.

Signed-off-by: Aishwarya Pant <aishpant@xxxxxxxxx>
---
 Documentation/ABI/stable/sysfs-bus-xen-backend | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/Documentation/ABI/stable/sysfs-bus-xen-backend 
b/Documentation/ABI/stable/sysfs-bus-xen-backend
index 3d5951c8bf5f..20ef835785ec 100644
--- a/Documentation/ABI/stable/sysfs-bus-xen-backend
+++ b/Documentation/ABI/stable/sysfs-bus-xen-backend
@@ -73,3 +73,10 @@ KernelVersion:       3.0
 Contact:       Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
 Description:
                 Number of sectors written by the frontend.
+
+What:          /sys/bus/xen-backend/devices/vbd-*/statistics/ds_req
+Date:          October 2011
+KernelVersion: 3.1
+Contact:       Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
+Description:
+                Number of discard requests from the frontend.
-- 
2.16.1


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