linux-kernel - Re: [patch]mm: add more blk plug

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Message-ID: <1317022727.29510.175.camel@sli10-conroe>
Date:	Mon, 26 Sep 2011 15:38:47 +0800
From:	Shaohua Li <shaohua.li@...el.com>
To:	Christoph Hellwig <hch@...radead.org>
Cc:	Jens Axboe <axboe@...nel.dk>,
	Andrew Morton <akpm@...ux-foundation.org>,
	lkml <linux-kernel@...r.kernel.org>
Subject: Re: [patch]mm: add more blk plug

On Mon, 2011-09-26 at 15:30 +0800, Christoph Hellwig wrote:
> On Mon, Sep 26, 2011 at 10:30:26AM +0800, Shaohua Li wrote:
> > Some filesystems implement .writepages. We don't have blk plug
> > in such filesystems for .writepages.
> 
> Please add the plugging in the actual ->writepages instances.
there are several filesystems have ->writepages. Can you share an hint
why we don't add plugging in the do_writepages?

Thanks,
Shaohua

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