linux-kernel - Re: [PATCH 1/2] mm: Cleanup clearing of BDI_pending bit in bdi_forker

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Date:	Sun, 4 Sep 2011 12:13:05 +0800
From:	Wu Fengguang <fengguang.wu@...el.com>
To:	Jan Kara <jack@...e.cz>
Cc:	Jens Axboe <jaxboe@...ionio.com>,
	LKML <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH 1/2] mm: Cleanup clearing of BDI_pending bit in
 bdi_forker_thread()

On Sun, Sep 04, 2011 at 11:04:42AM +0800, Wu Fengguang wrote:
> On Sat, Sep 03, 2011 at 06:54:18AM +0800, Jan Kara wrote:
> > bdi_forker_thread() clears BDI_pending bit at the end of the main loop.
> > However clearing of this bit must not be done in some cases which is handled by
> > calling 'continue' from switch statement. That's kind of unusual construct and
> > without a good reason so change the function into more intuitive code flow.
> > 
> > CC: Wu Fengguang <fengguang.wu@...el.com>
> > CC: Andrew Morton <akpm@...ux-foundation.org>
> > Signed-off-by: Jan Kara <jack@...e.cz>
> 
> It's pure code refactor.
> 
> Reviewed-by: Wu Fengguang <fengguang.wu@...el.com>

But I do suspect it will slightly increase the code size.
What do you think?

Thanks,
Fengguang
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