Re: [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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