From: Lin Ming <ming.m.lin@intel.com>
To: Alan Stern <stern@rowland.harvard.edu>
Cc: Jens Axboe <axboe@kernel.dk>,
linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org,
linux-scsi@vger.kernel.org
Subject: Re: [RFC PATCH 3/3] block: add queue idle timer
Date: Tue, 15 May 2012 23:49:11 +0800 [thread overview]
Message-ID: <1337096951.3515.11.camel@chief-river-32> (raw)
In-Reply-To: <Pine.LNX.4.44L0.1205151037500.1796-100000@iolanthe.rowland.org>
On Tue, 2012-05-15 at 10:39 -0400, Alan Stern wrote:
> On Tue, 15 May 2012, Lin Ming wrote:
>
> > Add an idle timer that is set to some suitable timeout and would be
> > added when the queue first goes empty. If nothing has happened during
> > the timeout interval, then the queue is suspended.
>
> You don't need to create an idle timer for runtime PM support; the
> runtime PM framework already has such a timer. Read
> Documentation/power/runtime_pm.txt, especially the parts describing
> pm_runtime_autosuspend() and related functions.
OK, will use pm_runtime_autosuspend.
>
> Alan Stern
>
next prev parent reply other threads:[~2012-05-15 15:49 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-05-15 8:48 [RFC PATCH 0/3] block layer runtime pm Lin Ming
2012-05-15 8:48 ` [RFC PATCH 1/3] block: add a flag to identify PM request Lin Ming
2012-05-15 14:35 ` Alan Stern
2012-05-15 15:33 ` Lin Ming
2012-05-15 15:37 ` Alan Cox
2012-05-15 15:58 ` Lin Ming
2012-05-15 18:30 ` Alan Stern
2012-05-15 16:03 ` Alan Stern
2012-05-15 8:48 ` [RFC PATCH 2/3] block: add queue runtime pm callback Lin Ming
2012-05-15 14:37 ` Alan Stern
2012-05-15 15:36 ` Lin Ming
2012-05-15 8:48 ` [RFC PATCH 3/3] block: add queue idle timer Lin Ming
2012-05-15 14:39 ` Alan Stern
2012-05-15 15:49 ` Lin Ming [this message]
2012-05-15 19:19 ` Jeff Moyer
2012-05-16 1:27 ` Lin Ming
2012-05-16 13:04 ` Jeff Moyer
2012-05-16 13:53 ` Jens Axboe
2012-05-16 14:28 ` Alan Stern
2012-05-16 15:40 ` Lin Ming
2012-05-16 15:59 ` Alan Stern
2012-05-16 16:12 ` Lin Ming
2012-05-16 18:29 ` Jens Axboe
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