Re: [stable-4.14 00/23] block/scsi multiqueue performance enhancement and

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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




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