On 2022/08/18 23:24, Oliver Sang wrote: > On Thu, Aug 18, 2022 at 10:28:30AM +0100, John Garry wrote: >> On 18/08/2022 03:06, Oliver Sang wrote: >> >> Hi Oliver, >> >>>>> 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. >>> for v6.0-rc1, it's still 512/512 >>> >>>> I will also send a separate patch for testing if you don't mind. >>> sure! we are very glad that we could help. >> >> As you probably saw, I sent "[RFT PATCH] ata: libata: Set __ATA_BASE_SHT >> max_sectors" for testing on top of v6.0-rc1, and I hope that then we can get >> same performance as v5.19 > > yeah, our test confirmed your expectation: > > stress-ng.copy-file.ops_per_sec > v5.19 - 26.85 > v6.0-rc1 - 23.03 > v6.0-rc1 + your patch - 26.94 Thanks for testing Oliver. I pushed the fix and sent it out as an rc2 fix. > >> >> Thanks, >> John -- Damien Le Moal Western Digital Research