diff mbox series

[PULL,03/10] qemu-options: Mention locking option of file driver

Message ID 20171129152628.14906-4-kwolf@redhat.com
State New
Headers show
Series [PULL,01/10] iotests: fix 075 and 078 | expand

Commit Message

Kevin Wolf Nov. 29, 2017, 3:26 p.m. UTC 
From: Fam Zheng <famz@redhat.com>

Signed-off-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
---
 qemu-options.hx | 4 ++++
 1 file changed, 4 insertions(+)
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Patch

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)
+@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