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    SubjectRe: [PATCH] scsi: sd: add runtime pm to open / release
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    On 2020-06-30 12:38, Alan Stern wrote:
    > Assume that BLK_MQ_REQ_PREEMPT is set in flags. Then where exactly
    > does blk_queue_enter(q, flags) call blk_pm_request_resume(q)?

    Please take a look at how the *current* implementation of runtime power
    management works. Your question is relevant for the old implementation
    of runtime power management but not for the current implementation.

    Bart.

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