13.06.2019 1:09, Max Reitz wrote:
> Places that use patterns like
>
> if (bs->drv->is_filter && bs->file) {
> ... something about bs->file->bs ...
> }
>
> should be
>
> BlockDriverState *filtered = bdrv_filtered_rw_bs(bs);
> if (filtered) {
> ... something about @filtered ...
> }
>
> instead.
Hmm, in other words, support filters with backing child in all places, where
only file-based
filters are supported, as we don't want make any semantic difference between
these two
types of filters.
>
> Signed-off-by: Max Reitz <mre...@redhat.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsement...@virtuozzo.com>
--
Best regards,
Vladimir
