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

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On 06/26/2017 11:52 AM, Martin K. Petersen wrote:
> 
> Christoph,
> 
>>  - 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
> 
> Yeah, based on my experiments we'll need to drive this as an opt-in
> feature for now. Short term the module option is OK. Once more devices
> start materializing we probably need a white/blacklist/quirk scheme.

Completely agree. Might even need quirks for stream allocations too,
for instance. But let's hope we can keep it clean.

-- 
Jens Axboe




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