- To: Sergei Shtylyov <sshtylyov@xxxxxxxxxx>
- Subject: Re: [PATCH v3 6/7] scsi: sr: balance sr disk events block depth
- From: Aaron Lu <aaron.lu@xxxxxxx>
- Date: Thu, 26 Jul 2012 20:47:32 +0800
- Cc: James Bottomley <James.Bottomley@xxxxxxxxxxxxxxxxxxxxx>, Alan Stern <stern@xxxxxxxxxxxxxxxxxxx>, Jeff Garzik <jgarzik@xxxxxxxxx>, Lin Ming <minggr@xxxxxxxxx>, Jeff Wu <jeff.wu@xxxxxxx>, linux-kernel@xxxxxxxxxxxxxxx, linux-pm@xxxxxxxxxxxxxxx, linux-scsi@xxxxxxxxxxxxxxx, linux-ide@xxxxxxxxxxxxxxx, Aaron Lu <aaron.lwe@xxxxxxxxx>
- In-reply-to: <501121C9.7080806@mvista.com>
- User-agent: Mutt/1.5.20 (2009-12-10)
On Thu, Jul 26, 2012 at 02:54:01PM +0400, Sergei Shtylyov wrote:
> Hello.
>
> On 26-07-2012 14:05, Aaron Lu wrote:
>
> >When the ODD is resumed, disk_unblock_events should be called when:
> >1 The ODD is runtime resumed;
> >2 System is resuming from S3 and the ODD is runtime suspended before S3;
> >But not when the system is resuming from S3 and the ODD is runtime
> >active before S3.
>
> >So seperate the resume calls, one for system resume and one for runtime
> >resume to do different things accordingly.
>
> >Signed-off-by: Aaron Lu <aaron.lu@xxxxxxx>
> >---
> > drivers/scsi/sr.c | 21 +++++++++++++++++++++
> > 1 file changed, 21 insertions(+)
>
> >diff --git a/drivers/scsi/sr.c b/drivers/scsi/sr.c
> >index fd1c2f6..b8c2f9d 100644
> >--- a/drivers/scsi/sr.c
> >+++ b/drivers/scsi/sr.c
> [...]
> >@@ -211,6 +217,21 @@ static int sr_suspend(struct device *dev, pm_message_t msg)
> >
> > static int sr_resume(struct device *dev)
> > {
> >+ struct scsi_cd *cd = dev_get_drvdata(dev);
> >+
> >+ /*
> >+ * If ODD is runtime suspended before system pm, unblock disk
> >+ * events now since on system resume, we will fully resume it
>
> Comma not needed.
Thanks.
>
> >+ * and set its rumtime status to active.
>
> s/rumtime/runtime/. Nice typo. %-)
Thanks, and I'll use a spell checker next time to avoid such mistakes.
-Aaron
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