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SubjectRe: [ata] 0568e61225: stress-ng.copy-file.ops_per_sec -15.0% regression
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On 17/08/2022 14:51, Oliver Sang wrote:

Hi Oliver,

>> v5.19 + 0568e61225 : 512/512
>> v5.19 + 0568e61225 + 4cbfca5f77 : 512/512
>> v5.19: 1280/32767
>>
>> They are want makes sense to me, at least.
>>
>> Oliver, can you confirm this? Thanks!
> I confirm below two:
> v5.19 + 0568e61225 : 512/512
> v5.19: 1280/32767 (as last already reported)

ack

>
> but below failed to build:
> v5.19 + 0568e61225 + 4cbfca5f77
>
> build_errors:
> - "drivers/scsi/scsi_transport_sas.c:242:33: error: implicit declaration of function 'dma_opt_mapping_size'; did you mean 'dma_max_mapping_size'? [-Werror=implicit-function-declaration]"
> - "drivers/scsi/scsi_transport_sas.c:241:24: error: 'struct Scsi_Host' has no member named 'opt_sectors'; did you mean 'max_sectors'?"
>
> not sure if I understand this correctly?
> for this, I just cherry-pick 0568e61225 upon v5.19,
> then cherry-pick 4cbfca5f77 again.
> so my branch looks like:
>
> a11d8b97c3ecb8 v5.19 + 0568e61225 + 4cbfca5f77
> 1b59440cf71f99 v5.19 + 0568e61225
> 3d7cb6b04c3f31 (tag: v5.19,
>
> did I do the right thing?

Sorry but I was not really interested in 4cbfca5f77 and I see where that
build error is coming, but don't be concerned with it. However, for
avoidance of doubt, if you have results for vanilla v6.0-rc1 then that
would be appreciated.

I will also send a separate patch for testing if you don't mind.

thanks,
John

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