linux-kernel - Re: [PATCH 2/2] mm: Add comment explaining task state setting in bdi_forker

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Date:	Thu, 8 Sep 2011 08:29:47 +0800
From:	Wu Fengguang <fengguang.wu@...el.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Jan Kara <jack@...e.cz>, Jens Axboe <jaxboe@...ionio.com>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 2/2] mm: Add comment explaining task state setting in
 bdi_forker_thread()

> grammar can often be fixed/improved by deleting stuff ;)
> 
> --- a/mm/backing-dev.c~mm-add-comment-explaining-task-state-setting-in-bdi_forker_thread-fix
> +++ a/mm/backing-dev.c
> @@ -404,9 +404,8 @@ static int bdi_forker_thread(void *ptr)
>  		/*
>  		 * In the following loop we are going to check whether we have
>  		 * some work to do without any synchronization with tasks
> -		 * waking us up to do work for them. So we have to set task
> -		 * state already here so that we don't miss wakeups coming
> -		 * after we verify some condition.
> +		 * waking us up to do work for them. Set the task state here
> +		 * so that we don't miss wakeups after verifying conditions.
>  		 */
>  		set_current_state(TASK_INTERRUPTIBLE);

That's nice and readable, thanks!

Regards,
Fengguang
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