Re: [PATCH 9/9] nvme: add support for streams and directives

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On 06/26/2017 03:59 AM, Christoph Hellwig wrote:
> Looks mostly good,
> 
> but two nit-picks:
> 
>  - can we keep a module option to disable streams, or in fact for
>    now maybe to explicitly enable it?  I expect this to be interesting
>    at least for the first devices that implement it.  Also given that
>    it needs to be explicitly enabled I would expect some overhead of
>    just enabling it when never used

Fine with me, I can add the 'streams' parameter back, but just default
it to false.

>  - do we even need the < 4 streams fallback now that they are global
>    instead of per-ns instead of just disabling the feature for now?

Maybe the device only supports 2? or 3?

-- 
Jens Axboe




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