Re: [PATCH 4/4] scsi: core: don't limit per-LUN queue depth for SSD

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Hannes,

> I must admit I patently don't like this explicit dependency on
> blk_nonrot().

The whole idea behind using rotational/non-rotational as a trigger for
this is a red herring.

Fast devices also have internal queuing limitations. And more
importantly: Fast devices also experience temporary shortages which can
lead to congestion.

-- 
Martin K. Petersen	Oracle Linux Engineering



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