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SubjectRe: [PATCH] nvme: Use NN for max_namespaces if MNAN is zero
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>> Forgot to mention: During testing dynamically adding namespaces it was
>> possible to trigger the WARNINGs in the nvme_parse_ana_log(). Initially
>> the subsystem started with 8 namespaces and during runtime another 8
>> namespaces was added.
>
> The controller is required to have a non-zero MNAN value if it supports
> ANA:
>
> If the controller supports Asymmetric Namespace Access Reporting, then
> this field shall be set to a non-zero value that is less than or equal
> to the NN value.

That was my thought exactly

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