Re: [PATCH v6 4/5] block/io: fix bdrv_is_allocated_above

[Alberto Garcia]

On Wed 16 Sep 2020 02:20:07 PM CEST, Vladimir Sementsov-Ogievskiy 
<vsementsov@virtuozzo.com> wrote:
> bdrv_is_allocated_above wrongly handles short backing files: it reports
> after-EOF space as UNALLOCATED which is wrong, as on read the data is
> generated on the level of short backing file (if all overlays has
> unallocated area at that place).
>
> Reusing bdrv_common_block_status_above fixes the issue and unifies code
> path.
>
> Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
> Reviewed-by: Eric Blake <eblake@redhat.com>

Reviewed-by: Alberto Garcia <berto@igalia.com>

Berto