From 47c794c7f8010caf97447badfb059fc8fd6aa89f Mon Sep 17 00:00:00 2001 From: Fam Zheng 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 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 RH-Acked-by: Jeffrey Cody RH-Acked-by: John Snow Signed-off-by: Fam Zheng Signed-off-by: Kevin Wolf (cherry picked from commit 1878eaff9bdeece4546d4f9587e6c75ab0b79b8b) Signed-off-by: Fam Zheng Signed-off-by: Miroslav Rezanina --- 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