Re: [Qemu-devel] [PATCH] qemu-img: Add --backing-chain option to info command

[Eric Blake]

On 10/13/2012 09:50 AM, Kashyap Chamarthy wrote:

> 
> [PS: I haven't used 'git-send-email' for this trivial patch. Should I
> have used that, instead of attaching it? I was wondering if
> attachments like these are frowned upon. ]

That depends on who is applying the patch (it won't be me, since I'm not
listed as maintainer); but even in my view as a reviewer, attachments
embedded to a lengthy chain of reply text is harder to reply to than a
fresh thread.  So, given that I have review comments below, you might as
well use 'git send-email' to post a v2 as a fresh thread, so we don't
have to worry about whether this will be spotted deeply embedded in a
thread.

> From 68b22497ad1c9318ae57092f7e6af543b4106e1b Mon Sep 17 00:00:00 2001
> From: Kashyap Chamarthy <address@hidden>
> Date: Sat, 13 Oct 2012 20:54:28 +0530
> Subject: [PATCH] Add documentation for 'qemu-img info --backing-chain' (with
>  Eric's comments fixed)

The subject line becomes part of the permanent git history, and as such,
it should avoid versioning information, and just describe the change (or
in other words, leave my name out of the 'git log --one-line' output).
Better would be:

qemu-img: document 'info --backing-chain'

> 
> Signed-off-by: Kashyap Chamarthy <address@hidden>
> ---
>  qemu-img-cmds.hx |  4 ++--
>  qemu-img.texi    | 19 ++++++++++++++++++-
>  2 files changed, 20 insertions(+), 3 deletions(-)
> 

>  
> address@hidden --backing-chain 
> +will enumerate information about backing files in a disk image chain. Refer
> +below for further description.
> +
>  @item size
>  is the disk image size in bytes. Optional suffixes @code{k} or @code{K}
>  (kilobyte, 1024) @code{M} (megabyte, 1024k) and @code{G} (gigabyte, 1024M)
> @@ -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}

Last time, you added a spurious 'a'; this time, you accidentally nuked
an 'm'.  Please, leave @var{ofmt} untouched.

-- 
Eric Blake   address@hidden    +1-919-301-3266
Libvirt virtualization library http://libvirt.org

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