linux-kernel - Re: [PATCH 2/2] writeback: elevate queue_io() into wb

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Date:	Wed, 4 May 2011 07:08:49 -0400
From:	Christoph Hellwig <hch@...radead.org>
To:	Wu Fengguang <fengguang.wu@...el.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Christoph Hellwig <hch@...radead.org>, Jan Kara <jack@...e.cz>,
	Mel Gorman <mel@...ux.vnet.ibm.com>,
	Dave Chinner <david@...morbit.com>,
	Trond Myklebust <Trond.Myklebust@...app.com>,
	Itaru Kitayama <kitayama@...bb4u.ne.jp>,
	Minchan Kim <minchan.kim@...il.com>,
	LKML <linux-kernel@...r.kernel.org>,
	"linux-fsdevel@...r.kernel.org" <linux-fsdevel@...r.kernel.org>,
	Linux Memory Management List <linux-mm@...ck.org>
Subject: Re: [PATCH 2/2] writeback: elevate queue_io() into wb_writeback()

>  	return 1;
>  }
>  
> -void writeback_inodes_wb(struct bdi_writeback *wb,
> -		struct writeback_control *wbc)
> +static void __writeback_inodes_wb(struct bdi_writeback *wb,
> +				  struct writeback_control *wbc)
>  {
>  	int ret = 0;
>  
>  	if (!wbc->wb_start)
>  		wbc->wb_start = jiffies; /* livelock avoidance */

This should move to writeback_inodes_wb and be unconditional as
wb_writeback already always initializes it.

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