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SubjectRe: [PATCH v6 4/4] sd: change to auto suspend mode
On 01/07/2013 05:19 PM, Oliver Neukum wrote:
> On Sunday 06 January 2013 16:41:37 Aaron Lu wrote:
>> From: Lin Ming <>
>> 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.


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