On Mon 12 Mar 2018 11:16:50 AM CET, Anton Nefedov wrote:
> Signed-off-by: Anton Nefedov <anton.nefe...@virtuozzo.com>
> ---
> block/mirror.c | 11 +++++++++++
> 1 file changed, 11 insertions(+)
>
> diff --git a/block/mirror.c b/block/mirror.c
> index f5bf620..2fb786f 100644
> --- a/block/mirror.c
> +++ b/block/mirror.c
> @@ -1100,6 +1100,15 @@ static BlockDriver bdrv_mirror_top = {
> .bdrv_child_perm = bdrv_mirror_top_child_perm,
> };
>
> +static void mirror_top_set_supported_flags(BlockDriverState *bs)
> +{
> + bs->supported_write_flags = BDRV_REQ_FUA &
> + bs->backing->bs->supported_write_flags;
> + bs->supported_zero_flags =
> + (BDRV_REQ_FUA | BDRV_REQ_MAY_UNMAP) &
> + bs->backing->bs->supported_zero_flags;
> +}
> +
Reviewed-by: Alberto Garcia <be...@igalia.com>
Berto
