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From: Aaron Lu <aaron.lu@amd.com>
To: Sergei Shtylyov <sshtylyov@mvista.com>
Cc: James Bottomley <James.Bottomley@HansenPartnership.com>,
	Alan Stern <stern@rowland.harvard.edu>,
	Jeff Garzik <jgarzik@pobox.com>, Lin Ming <minggr@gmail.com>,
	Jeff Wu <jeff.wu@amd.com>,
	linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org,
	linux-scsi@vger.kernel.org, linux-ide@vger.kernel.org,
	Aaron Lu <aaron.lwe@gmail.com>
Subject: Re: [PATCH v3 6/7] scsi: sr: balance sr disk events block depth
Date: Thu, 26 Jul 2012 20:47:32 +0800	[thread overview]
Message-ID: <20120726124729.GB2022@localhost.localdomain> (raw)
In-Reply-To: <501121C9.7080806@mvista.com>

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@amd.com>
> >---
> >  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

  reply	other threads:[~2012-07-26 12:47 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-07-26 10:05 [PATCH v3 0/7] ZPODD patches for scsi tree Aaron Lu
2012-07-26 10:05 ` [PATCH v3 1/7] scsi: sr: check support for device busy class events Aaron Lu
2012-07-26 10:05 ` [PATCH v3 2/7] scsi: pm: use autosuspend if device supports it Aaron Lu
2012-07-26 10:44   ` Oliver Neukum
2012-07-26 12:43     ` Aaron Lu
2012-07-26 13:01       ` Oliver Neukum
2012-07-26 10:05 ` [PATCH v3 3/7] scsi: sr: support zero power ODD(ZPODD) Aaron Lu
2012-07-26 10:05 ` [PATCH v3 4/7] scsi: sr: block events when runtime suspended Aaron Lu
2012-07-26 10:05 ` [PATCH v3 5/7] scsi: pm: use runtime resume callback if available Aaron Lu
2012-07-26 10:05 ` [PATCH v3 6/7] scsi: sr: balance sr disk events block depth Aaron Lu
2012-07-26 10:54   ` Sergei Shtylyov
2012-07-26 12:47     ` Aaron Lu [this message]
2012-07-26 10:05 ` [PATCH v3 7/7] block: genhd: add an interface to set disk's poll interval Aaron Lu
2012-07-26 13:43 ` [PATCH v3 0/7] ZPODD patches for scsi tree Jeff Garzik
2012-07-26 14:41   ` Aaron Lu
2012-07-26 18:04     ` Jeff Garzik

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