Re: linux-next: build warning after merge of the block tree

[Tejun Heo]

On Thu, Aug 29, 2019 at 02:08:28PM +1000, Stephen Rothwell wrote:
> From: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
> Date: Thu, 29 Aug 2019 14:03:43 +1000
> Subject: [PATCH] blkcg: blk-iocost: predeclare used structs
> 
> Signed-off-by: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>

Acked-by: Tejun Heo <tj@xxxxxxxxxx>

Thanks.

> ---
>  include/trace/events/iocost.h | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/include/trace/events/iocost.h b/include/trace/events/iocost.h
> index ec2217dd57ac..7ecaa65b7106 100644
> --- a/include/trace/events/iocost.h
> +++ b/include/trace/events/iocost.h
> @@ -2,6 +2,10 @@
>  #undef TRACE_SYSTEM
>  #define TRACE_SYSTEM iocost
>  
> +struct ioc;
> +struct ioc_now;
> +struct ioc_gq;
> +
>  #if !defined(_TRACE_BLK_IOCOST_H) || defined(TRACE_HEADER_MULTI_READ)
>  #define _TRACE_BLK_IOCOST_H

-- 
tejun