linux-kernel - Re: [PATCH 13/18] writeback: limit max dirty pause time

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Message-ID: <20110918142344.GC15366@localhost>
Date:	Sun, 18 Sep 2011 22:23:44 +0800
From:	Wu Fengguang <fengguang.wu@...el.com>
To:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
Cc:	"linux-fsdevel@...r.kernel.org" <linux-fsdevel@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Jan Kara <jack@...e.cz>, Christoph Hellwig <hch@....de>,
	Dave Chinner <david@...morbit.com>,
	Greg Thelen <gthelen@...gle.com>,
	Minchan Kim <minchan.kim@...il.com>,
	Vivek Goyal <vgoyal@...hat.com>,
	Andrea Righi <arighi@...eler.com>,
	linux-mm <linux-mm@...ck.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 13/18] writeback: limit max dirty pause time

On Mon, Sep 12, 2011 at 06:22:31PM +0800, Peter Zijlstra wrote:
> On Wed, 2011-09-07 at 10:35 +0800, Wu Fengguang wrote:
> > So yeah, the HZ value does impact the minimal available sleep time...
> 
> There's always schedule_hrtimeout() and we could trivially add a
> io_schedule_hrtimeout() variant if you need it.

Yeah, we could do that when get done with the basic functions :)

Thanks,
Fengguang
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