Re: [PATCH v6 1/7] scsi: sr: support runtime pm for ODD

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On Fri, 7 Sep 2012, Aaron Lu wrote:

> > What I'd really like is a way to do the status polling without having
> > it reset the idle timer.
> 
> I like this, I'll try to see if this can be done.
> 
> If we idle the device immediately, we would suspend/resume the ODD every
> 2 seconds, which may not be a good idea.

It may be okay.  This depends on how long it takes to suspend and
resume the drive and its parents.  If it takes no more than a few
hundred ms then there shouldn't be any problem.  Especially if the 
polling interval is increased to something like 5 seconds.

Alan Stern

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