I'll use the inline thr_pos() method of the queue to access the array elements: ThrPos& thr_pos() const { return thr_p_[ThrId()]; } You can find an example of the ThrId() implementation in the source ...

But the big news is in the nuts and bolts of NVMe and is that it vastly increases the number of I/O queues possible and ... often remains at the storage array controllers, which in the main ...