linux-kernel - Re: [PATCH v9 3/4] block: implement runtime pm strategy

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Message-ID: <Pine.LNX.4.44L0.1302191134050.2215-100000@iolanthe.rowland.org>
Date:	Tue, 19 Feb 2013 11:34:33 -0500 (EST)
From:	Alan Stern <stern@...land.harvard.edu>
To:	Aaron Lu <aaron.lu@...el.com>
cc:	Jens Axboe <axboe@...nel.dk>, "Rafael J. Wysocki" <rjw@...k.pl>,
	James Bottomley <James.Bottomley@...senpartnership.com>,
	<linux-pm@...r.kernel.org>, <linux-scsi@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>, <linux-ide@...r.kernel.org>,
	Aaron Lu <aaron.lwe@...il.com>,
	Shane Huang <shane.huang@....com>
Subject: Re: [PATCH v9 3/4] block: implement runtime pm strategy

On Tue, 19 Feb 2013, Aaron Lu wrote:

> Hi Alan,
> 
> On Tue, Feb 05, 2013 at 04:03:15PM +0800, Aaron Lu wrote:
> > From: Lin Ming <ming.m.lin@...el.com>
> > 
> > When a request is added:
> >     If device is suspended or is suspending and the request is not a
> >     PM request, resume the device.
> > 
> > When the last request finishes:
> >     Call pm_runtime_mark_last_busy().
> > 
> > When pick a request:
> >     If device is resuming/suspending, then only PM request is allowed
> >     to go.
> 
> I think I should add the following words in patch 2 & 3's changelog:
> 
> The idea and API is designed by Alan Stern and described here:
> http://marc.info/?l=linux-scsi&m=133727953625963&w=2
> 
> to reflect your credit if you don't object.
> 
> Please let me know what do you think, or if there is a better way to
> reflect this, please feel free to let me know.

That's fine, go right ahead.

Alan Stern

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