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| author | Fam Zheng <famz@redhat.com> | 2018-02-09 13:29:14 +0800 |
|---|---|---|
| committer | Kevin Wolf <kwolf@redhat.com> | 2018-02-13 12:27:17 +0100 |
| commit | a7e326df1c116e99e6e65ca02c6eadb5bd5aef45 (patch) | |
| tree | 19a4e5d4d782471d4eb64e96085b63c445cbb7ad /qemu-img.texi | |
| parent | c150eb92926ceb0cc6112c10e31e8af2f2d336cd (diff) | |
qemu-img: Document --force-share / -U
Signed-off-by: Fam Zheng <famz@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Kashyap Chamarthy <kchamart@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Diffstat (limited to 'qemu-img.texi')
| -rw-r--r-- | qemu-img.texi | 8 |
1 files changed, 8 insertions, 0 deletions
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. +@item --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. |