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| author | Martin K. Petersen <martin.petersen@oracle.com> | 2017-08-25 19:14:50 -0400 |
|---|---|---|
| committer | Sagi Grimberg <sagi@grimberg.me> | 2017-08-28 23:00:44 +0300 |
| commit | 07fbd32a6b215d8b2fc01ccc89622207b9b782fd (patch) | |
| tree | 2c8a3f2c6cc6a10735a437d991f20cf804bda704 /drivers/nvme/host/nvme.h | |
| parent | 5228b3280b9bb8fa6aef59f891cca64a028e9b36 (diff) | |
| download | linux-07fbd32a6b215d8b2fc01ccc89622207b9b782fd.tar.bz2 | |
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: 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>
Diffstat (limited to 'drivers/nvme/host/nvme.h')
| -rw-r--r-- | drivers/nvme/host/nvme.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h index 2c8a02be46fd..9b959ee18cb6 100644 --- a/drivers/nvme/host/nvme.h +++ b/drivers/nvme/host/nvme.h @@ -162,6 +162,7 @@ struct nvme_ctrl { u16 kas; u8 npss; u8 apsta; + unsigned int shutdown_timeout; unsigned int kato; bool subsystem; unsigned long quirks; |