Re: [Qemu-block] [PATCH v5 1/6] Stream block job involves copy-on-read filter driver

[Alberto Garcia]

On Sun 30 Dec 2018 09:09:12 PM CET, Andrey Shinkevich wrote:
> +static BlockDriverState *child_file_bs(BlockDriverState *bs)
> +{
> +    return bs->file ? bs->file->bs : NULL;
> +}

In addition to Vladimir's comments, I wonder if it's useful to put this
in block_int.h (together with backing_bs()). It seems that there's a
couple of more places where this can be used.

Berto