[PATCH v1 2/3] scsi: ufs: Optimize host lock on transfer requests send/compl paths
Asutosh Das (asd)
asutoshd at codeaurora.org
Wed Jun 2 14:18:37 PDT 2021
On 5/28/2021 12:30 AM, Avri Altman wrote:
>>> Hi Bart,
>>> No it's not necessary to serialize both the paths. I think this series
>>> attempts to remove this serialization to a certain degree, which is
>>> what's giving the performance improvement.
> Btw, Is this performance improvement is on top of rq_affinity 2 or 1?
It's on 1.
>>> Even if multiqueue support would be available in the future, I think
>>> this change is apt now for the current available specification.
>> I agree - this looks like the harbinger of a major change,
>> And going further with respect of hw queues,
>> will need the spec support - e.g. doorbell per lane, etc.
>>> The Qualcomm Innovation Center, Inc. is a member of the Code Aurora
>>> Linux Foundation Collaborative Project
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
Linux Foundation Collaborative Project
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