On 10/13/2017 10:31 AM, Bart Van Assche wrote: > 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. That does seem insanely low. BTW, even a low depth isn't an issue, as long as we know what it roughly is. -- Jens Axboe
