Re: [Qemu-devel] [PATCH v3 09/14] block: Drain throttling queue with BdrvChild callback

[Stefan Hajnoczi]

On Wed, May 11, 2016 at 03:24:20PM +0200, Kevin Wolf wrote:
> diff --git a/include/block/block_int.h b/include/block/block_int.h
> index 6af541e..461583b 100644
> --- a/include/block/block_int.h
> +++ b/include/block/block_int.h
> @@ -359,6 +359,17 @@ typedef struct BdrvAioNotifier {
>  struct BdrvChildRole {
>      void (*inherit_options)(int *child_flags, QDict *child_options,
>                              int parent_flags, QDict *parent_options);
> +
> +    /*
> +     * If this pair of functions is implemented, the parent doesn't issue new
> +     * requests after returning from .drained_being() until .drained_end() is

s/being/begin/

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