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Date:   Tue, 20 Feb 2018 15:23:19 +0530
From:   Aishwarya Pant <aishpant@gmail.com>
To:     Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>,
        Roger Pau =?iso-8859-1?Q?Monn=E9?= <roger.pau@citrix.com>,
        xen-devel@lists.xenproject.org, linux-kernel@vger.kernel.org,
        Jonathan Corbet <corbet@lwn.net>,
        Greg KH <gregkh@linuxfoundation.org>
Cc:     Julia Lawall <julia.lawall@lip6.fr>
Subject: [PATCH] xen/blkback: update sysfs interface documentation
Message-ID: <20180220095319.GA29360@mordor.localdomain>
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Add documentation for statistic attribute ds_req - the number of
discarded requests.

Signed-off-by: Aishwarya Pant <aishpant@gmail.com>
---
 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@oracle.com>
 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@oracle.com>
+Description:
+                Number of discard requests from the frontend.
-- 
2.16.1