nvme: honor RTD3 Entry Latency for shutdowns
If an NVMe controller reports RTD3 Entry Latency larger than shutdown_timeout, up to a maximum of 60 seconds, use that value to set the shutdown timer. Otherwise fall back to the module parameter which defaults to 5 seconds. Signed-off-by: NMartin K. Petersen <martin.petersen@oracle.com> Reviewed-by: NSagi Grimberg <sagi@grimberg.me> [hch: removed do_div, made transition time local scope] Signed-off-by: NChristoph Hellwig <hch@lst.de>
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