[PATCH v2 2/2] nvme: use a single NVME_AQ_DEPTH and relax it to 32

[Sagi Grimberg]

>> No need to differentiate fabrics from pci/loop, also lower
>> it to 32 as we don't really need 256 inflight admin commands.
> 
> Might want to check with Jens on reducing the count. d31af0a325ca4f increased the
> limit from 64 to 256 for a particular use case.

Can we modparam it? or quirk it like Martin suggested? My impression is
that its an overkill for 99.9% of the use-cases...