On Mon, 16 Apr 2018 10:36:25 +0800
Ahbong Chang <cwahb...@google.com> wrote:

> Without this forward declaration compile may fail if this header is
> included only for registering other probe event without struct
> pool_workqueue.
> 

Is this for new work or is there a config which this fails with today?

-- Steve

> Signed-off-by: Ahbong Chang <cwahb...@google.com>
> Reviewed-by: Todd Poynor <toddpoy...@google.com>
> ---
>  include/trace/events/workqueue.h | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/include/trace/events/workqueue.h 
> b/include/trace/events/workqueue.h
> index 2f057a494d93..9a761bc6a251 100644
> --- a/include/trace/events/workqueue.h
> +++ b/include/trace/events/workqueue.h
> @@ -25,6 +25,8 @@ DECLARE_EVENT_CLASS(workqueue_work,
>       TP_printk("work struct %p", __entry->work)
>  );
>  
> +struct pool_workqueue;
> +
>  /**
>   * workqueue_queue_work - called when a work gets queued
>   * @req_cpu: the requested cpu

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