On Tue, Apr 07, 2015 at 11:18:38AM -0600, Jens Axboe wrote:
> Instead of storing the IO tracker structure in a separate list
> that we need to pop/push to on every submit and complete (and
> lock), store it in the pdu associated with a request. This is
> possible on scsi-mq only, and further cuts t
Instead of storing the IO tracker structure in a separate list
that we need to pop/push to on every submit and complete (and
lock), store it in the pdu associated with a request. This is
possible on scsi-mq only, and further cuts the spinlock associated
time for higher IOPS IO workloads. At 100K IO
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