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Subject: Re: [PATCH 13/18] writeback: limit max dirty pause time
From: Peter Zijlstra <a.p.zijlstra@chello.nl>
Date: Mon, 12 Sep 2011 12:22:31 +0200
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To: Wu Fengguang <fengguang.wu@intel.com>
Cc: "linux-fsdevel@vger.kernel.org" <linux-fsdevel@vger.kernel.org>, Andrew Morton <akpm@linux-foundation.org>, Jan Kara <jack@suse.cz>, Christoph Hellwig <hch@lst.de>, Dave Chinner <david@fromorbit.com>, Greg Thelen <gthelen@google.com>, Minchan Kim <minchan.kim@gmail.com>, Vivek Goyal <vgoyal@redhat.com>, Andrea Righi <arighi@develer.com>, linux-mm <linux-mm@kvack.org>, LKML <linux-kernel@vger.kernel.org>

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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