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[Qemu-devel] [PATCH v7 2/3] qemu-img: Document --force-share / -U
From: |
Fam Zheng |
Subject: |
[Qemu-devel] [PATCH v7 2/3] qemu-img: Document --force-share / -U |
Date: |
Fri, 9 Feb 2018 13:29:14 +0800 |
Signed-off-by: Fam Zheng <address@hidden>
Signed-off-by: Kevin Wolf <address@hidden>
---
qemu-img.texi | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/qemu-img.texi b/qemu-img.texi
index 60a0e080c6..8a26400adb 100644
--- a/qemu-img.texi
+++ b/qemu-img.texi
@@ -86,6 +86,14 @@ exclusive with the @var{-O} parameters. It is currently
required to also use
the @var{-n} parameter to skip image creation. This restriction may be relaxed
in a future release.
address@hidden --force-share (-U)
+If specified, @code{qemu-img} will open the image in shared mode, allowing
+other QEMU processes to open it in write mode. For example, this can be used to
+get the image information (with 'info' subcommand) when the image is used by a
+running guest. Note that this could produce inconsistent results because of
+concurrent metadata changes, etc. This option is only allowed when opening
+images in read-only mode.
+
@item --backing-chain
will enumerate information about backing files in a disk image chain. Refer
below for further description.
--
2.14.3
- [Qemu-devel] [PATCH v7 0/3] qemu-img: Document --force-share / -U, Fam Zheng, 2018/02/09
- [Qemu-devel] [PATCH v7 1/3] qemu-img.texi: Clean up parameter list, Fam Zheng, 2018/02/09
- [Qemu-devel] [PATCH v7 2/3] qemu-img: Document --force-share / -U,
Fam Zheng <=
- [Qemu-devel] [PATCH v7 3/3] docs: Document share-rw property more thoroughly, Fam Zheng, 2018/02/09
- Re: [Qemu-devel] [PATCH v7 0/3] qemu-img: Document --force-share / -U, Stefan Hajnoczi, 2018/02/09
- Re: [Qemu-devel] [PATCH v7 0/3] qemu-img: Document --force-share / -U, Kashyap Chamarthy, 2018/02/09
- Re: [Qemu-devel] [PATCH v7 0/3] qemu-img: Document --force-share / -U, Kevin Wolf, 2018/02/09