From 47c794c7f8010caf97447badfb059fc8fd6aa89f Mon Sep 17 00:00:00 2001
From: Fam Zheng <famz@redhat.com>
Date: Thu, 30 Nov 2017 09:25:43 +0100
Subject: [PATCH 06/36] qemu-options: Mention locking option of file driver

RH-Author: Fam Zheng <famz@redhat.com>
Message-id: <20171130092544.19231-5-famz@redhat.com>
Patchwork-id: 78018
O-Subject: [RHV7.5 qemu-kvm-ma PATCH 4/5] qemu-options: Mention locking option of file driver
Bugzilla: 1494210
RH-Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
RH-Acked-by: Jeffrey Cody <jcody@redhat.com>
RH-Acked-by: John Snow <jsnow@redhat.com>

Signed-off-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
(cherry picked from commit 1878eaff9bdeece4546d4f9587e6c75ab0b79b8b)
Signed-off-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
---
 qemu-options.hx | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/qemu-options.hx b/qemu-options.hx
index 50ba50e..5878359 100644
--- a/qemu-options.hx
+++ b/qemu-options.hx
@@ -693,6 +693,10 @@ This is the protocol-level block driver for accessing regular files.
 The path to the image file in the local filesystem
 @item aio
 Specifies the AIO backend (threads/native, default: threads)
+@item locking
+Specifies whether the image file is protected with Linux OFD / POSIX locks. The
+default is to use the Linux Open File Descriptor API if available, otherwise no
+lock is applied.  (auto/on/off, default: auto)
 @end table
 Example:
 @example
-- 
1.8.3.1