On 7/23/18 9:00 AM, Jack Wang wrote: > Hi Greg, > > Thanks for quick reply. Please see reply inline. > > > > Greg KH <gregkh@xxxxxxxxxxxxxxxxxxx> 于2018年7月23日周一 下午3:34写道: >> >> On Mon, Jul 23, 2018 at 03:24:22PM +0200, Jack Wang wrote: >>> Hi Greg, >>> >>> Please consider this patchset, which include block/scsi multiqueue performance >>> enhancement and bugfix. >> >> What exactly is the performance enhancement? How can you measure it? >> How did you measure it? > I'm testing on SRP/IBNBD using fio, I've seen +10% with mix IO load, > and 50% improvement on small IO (bs=512.) with the patchset. Big nak on backporting this huge series, it's a lot of core changes. It's way beyond the scope of a stable fix backport. -- Jens Axboe