Re: [Qemu-block] [PATCH v7 for-2.12 03/25] block: Add BDS.backing_overridden

[Alberto Garcia]

On Mon 20 Nov 2017 09:09:42 PM CET, 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.
>
> This commit adds a FIXME which will be remedied by a follow-up commit.
> Until then, the respective piece of code will not result in any behavior
> that is worse than what we currently have.
>
> Signed-off-by: Max Reitz <address@hidden>
> Reviewed-by: Eric Blake <address@hidden>

Reviewed-by: Alberto Garcia <address@hidden>

Berto