Re: REQ_PM vs REQ_TYPE_PM_RESUME

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On 01/07/2014 08:03 PM, Aaron Lu wrote:
> You mean you want to leave the disk runtime suspended after a
> system resume and in the meantime make sure the disk is indeed not
> spun up?

Yep.  If it is spun up, then the runtime status should be updated to
reflect that, otherwise it tricks user space programs into avoiding
doing IO to the disk for fear of waking it, and prevents the runtime
autosuspend timer from kicking in.

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