nvme: honor RTD3 Entry Latency for shutdowns

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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: Martin K. Petersen <martin.petersen@oracle.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
[hch: removed do_div, made transition time local scope]
Signed-off-by: Christoph Hellwig <hch@lst.de>

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Martin K. Petersen 2017-08-25 19:14:50 -04:00 • committed by Sagi Grimberg

parent 5228b3280b

commit 07fbd32a6b

2 changed files with 16 additions and 1 deletions

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16

drivers/nvme/host/core.c

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1

drivers/nvme/host/nvme.h

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