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Re: [Qemu-devel] [PATCH 02/19] block: Add BDS.backing_overridden

From: Eric Blake
Subject: Re: [Qemu-devel] [PATCH 02/19] block: Add BDS.backing_overridden
Date: Tue, 26 Apr 2016 18:37:46 -0600
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.3.0

On 04/26/2016 03:32 PM, Max Reitz wrote:
> If the backing file is overridden, this most probably does change the
> guest-visible data of a BDS. Therefore, we will need to consider this in
> bdrv_refresh_filename().
> Adding a new field to the BDS is not nice, but it is very simple and
> exactly keeps track of whether the backing file has been overridden.
> Signed-off-by: Max Reitz <address@hidden>
> ---
>  block.c                   | 2 ++
>  include/block/block_int.h | 1 +
>  2 files changed, 3 insertions(+)

Reviewed-by: Eric Blake <address@hidden>

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

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