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[Qemu-devel] [PATCH v2 2/2] qemu-options: Mention locking option of file
From: |
Fam Zheng |
Subject: |
[Qemu-devel] [PATCH v2 2/2] qemu-options: Mention locking option of file driver |
Date: |
Fri, 24 Nov 2017 16:53:51 +0800 |
Signed-off-by: Fam Zheng <address@hidden>
---
qemu-options.hx | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/qemu-options.hx b/qemu-options.hx
index 3728e9b4dd..f10c2a3ddb 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 avaiable, otherwise no
+lock is applied. (auto/on/off, default: auto)
@end table
Example:
@example
--
2.14.3