Re: [PATCH V7 4/6] blk-mq: introduce .get_budget and .put_budget in blk_mq_ops

[Bart Van Assche]

On Sat, 2017-10-14 at 00:07 +0800, Ming Lei wrote:
> Actually it is in hot path, for example, lpfc and qla2xx's queue depth is 3,

Sorry but I doubt whether that is correct. More in general, I don't know any modern
storage HBA for which the default queue depth is so low.

Bart.