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[Qemu-devel] [PULL 03/10] qemu-options: Mention locking option of file d

From: Kevin Wolf
Subject: [Qemu-devel] [PULL 03/10] qemu-options: Mention locking option of file driver
Date: Wed, 29 Nov 2017 16:26:21 +0100

From: Fam Zheng <address@hidden>

Signed-off-by: Fam Zheng <address@hidden>
Signed-off-by: Kevin Wolf <address@hidden>
 qemu-options.hx | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/qemu-options.hx b/qemu-options.hx
index 3728e9b4dd..f11c4ac960 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)
address@hidden 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

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