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

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Message-ID: <1315822951.26517.25.camel@twins>
Date:	Mon, 12 Sep 2011 12:22:31 +0200
From:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
To:	Wu Fengguang <fengguang.wu@...el.com>
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 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.
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