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Re: [Qemu-devel] [PATCH 0/4] Add subcommand compare for qemu-img


From: Eric Blake
Subject: Re: [Qemu-devel] [PATCH 0/4] Add subcommand compare for qemu-img
Date: Fri, 08 Feb 2013 09:56:35 -0700
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130110 Thunderbird/17.0.2

On 02/08/2013 01:33 AM, Miroslav Rezanina wrote:
> This is 9th version of patch adding compare subcommand that
> compares two images. Compare has following criteria:
>  - only data part is compared
>  - unallocated sectors are not read
>  to be zeroed/unallocated to compare rest
>  - qemu-img returns:
>     - 0 if images are identical
>     - 1 if images differ
>     - negative value on error

If this really is v9, then please send as a top-level thread rather than
in-reply-to an older thread, and please fix the subject line (git
send-email --subject-prefix=PATCHv9) to make it obvious.

> 
> v9:
>  - Merged patch 3 and 4 (subcommmand implementation and documentation) of v8
>  - Added basic test for qemu-img compare
>  - Fixed incorrect indentation 
>  - add bdrv_is_allocated_above() return value check
>  - Add description of exit codes into the documentation
>  - minor non-functional changes
> 

-- 
Eric Blake   eblake redhat com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org

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