From: Sergei Shtylyov <sshtylyov@mvista.com>
To: Aaron Lu <aaron.lu@amd.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 14:54:01 +0400 [thread overview]
Message-ID: <501121C9.7080806@mvista.com> (raw)
In-Reply-To: <1343297129-28174-7-git-send-email-aaron.lu@amd.com>
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.
> + * and set its rumtime status to active.
s/rumtime/runtime/. Nice typo. %-)
WBR, Sergei
next prev parent reply other threads:[~2012-07-26 10:54 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 [this message]
2012-07-26 12:47 ` Aaron Lu
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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