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Re: [Qemu-devel] [PATCH] qemu-img: Add --backing-chain option to info co
From: |
Eric Blake |
Subject: |
Re: [Qemu-devel] [PATCH] qemu-img: Add --backing-chain option to info command |
Date: |
Fri, 12 Oct 2012 14:31:50 -0600 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:15.0) Gecko/20120911 Thunderbird/15.0.1 |
On 10/12/2012 02:19 PM, Kashyap Chamarthy wrote:
>
> From eb4c4bc92c035c42c23c30c5e7ee73b54f9cf3a8 Mon Sep 17 00:00:00 2001
> From: Kashyap Chamarthy <address@hidden>
> Date: Sat, 13 Oct 2012 01:30:37 +0530
> Subject: [PATCH] Add documentation for 'qemu-img info --backing-chain'
>
> Signed-off-by: Kashyap Chamarthy <address@hidden>
> ---
> qemu-img.texi | 19 ++++++++++++++++++-
> 1 file changed, 18 insertions(+), 1 deletion(-)
We also need a patch to qemu-img-cmds.hx.
> @@ -129,7 +133,7 @@ created as a copy on write image of the specified base
> image; the
> @var{backing_file} should have the same content as the input's base image,
> however the path, image format, etc may differ.
>
> address@hidden info [-f @var{fmt}] address@hidden @var{filename}
> address@hidden info [-f @var{fmt}] address@hidden [--backing-chain]
> @var{filename}
Introduced a spurious typo:
s/ofamt/ofmt/
>
> Give information about the disk image @var{filename}. Use it in
> particular to know the size reserved on disk which can be different
> @@ -137,6 +141,19 @@ from the displayed size. If VM snapshots are stored in
> the disk image,
> they are displayed too. The command can output in the format @var{ofmt}
> which is either @code{human} or @code{json}.
>
> +If a disk image has a backing file chain, information about each disk image
> in
> +the chain can be recursively enumerated by using the option
> @code{--backing-chain}
Trailing whitespace. Needs a '.' to end the sentence.
--
Eric Blake address@hidden +1-919-301-3266
Libvirt virtualization library http://libvirt.org
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Re: [Qemu-devel] [PATCH] qemu-img: Add --backing-chain option to info command, Kashyap Chamarthy, 2012/10/12