From: Aaron Lu <aaron.lu@intel.com>
To: Oliver Neukum <oneukum@suse.de>
Cc: Alan Stern <stern@rowland.harvard.edu>,
Jens Axboe <axboe@kernel.dk>, "Rafael J. Wysocki" <rjw@sisk.pl>,
James Bottomley <James.Bottomley@hansenpartnership.com>,
linux-pm@vger.kernel.org, linux-scsi@vger.kernel.org,
linux-kernel@vger.kernel.org, Aaron Lu <aaron.lwe@gmail.com>,
Shane Huang <shane.huang@amd.com>
Subject: Re: [PATCH v6 4/4] sd: change to auto suspend mode
Date: Mon, 07 Jan 2013 17:31:40 +0800 [thread overview]
Message-ID: <50EA95FC.2020103@intel.com> (raw)
In-Reply-To: <2040976.slu5Ii8g67@linux-5eaq.site>
On 01/07/2013 05:19 PM, Oliver Neukum wrote:
> On Sunday 06 January 2013 16:41:37 Aaron Lu wrote:
>> From: Lin Ming <ming.m.lin@intel.com>
>>
>> Uses block layer runtime pm helper functions in
>> scsi_runtime_suspend/resume.
>> Remove scsi_autopm_* from sd open/release path and check_events path.
>> And remove the quiesce call in runtime suspend path, as we know there is
>> no request to quiesce for the device.
>
> How does this handle ioctl() ?
The ioctl code will allocate a new request and execute it through block
layer API, which involves adding the request to the queue and releasing
it when it is finished.
Thanks,
Aaron
next prev parent reply other threads:[~2013-01-07 9:31 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-01-06 8:41 [PATCH v6 0/4] block layer runtime pm Aaron Lu
2013-01-06 8:41 ` [PATCH v6 1/4] block: add a flag to identify PM request Aaron Lu
2013-01-06 8:41 ` [PATCH v6 2/4] block: add runtime pm helpers Aaron Lu
2013-01-07 17:15 ` Alan Stern
2013-01-07 17:15 ` Alan Stern
2013-01-06 8:41 ` [PATCH v6 3/4] block: implement runtime pm strategy Aaron Lu
2013-01-07 17:21 ` Alan Stern
2013-01-07 17:21 ` Alan Stern
2013-01-08 7:36 ` Aaron Lu
2013-01-08 15:22 ` Alan Stern
2013-01-08 15:22 ` Alan Stern
2013-01-14 3:03 ` Aaron Lu
2013-01-14 18:13 ` Alan Stern
2013-01-14 18:13 ` Alan Stern
2013-01-06 8:41 ` [PATCH v6 4/4] sd: change to auto suspend mode Aaron Lu
2013-01-07 9:19 ` Oliver Neukum
2013-01-07 9:31 ` Aaron Lu [this message]
2013-01-07 17:11 ` [PATCH v6 0/4] block layer runtime pm Alan Stern
2013-01-07 17:11 ` Alan Stern
2013-01-08 7:33 ` Aaron Lu
2013-01-08 15:27 ` Alan Stern
2013-01-08 15:27 ` Alan Stern
2013-01-14 3:14 ` Aaron Lu
2013-01-14 15:41 ` Alan Stern
2013-01-14 15:41 ` Alan Stern
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