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Petersen" , LKML , Linux Memory Management List , linux-ide@vger.kernel.org, lkp@lists.01.org, lkp@intel.com, ying.huang@intel.com, feng.tang@intel.com, zhengjun.xing@linux.intel.com, fengwei.yin@intel.com References: <2e9cf5a6-c043-5ccf-e363-097c6c941891@huawei.com> <43eaa104-5b09-072c-56aa-6289569b0015@opensource.wdc.com> <28d6e48b-f52f-9467-8260-262504a1a1ff@huawei.com> <743867a6-b266-58e4-a8a6-542757916f0a@huawei.com> From: Damien Le Moal Organization: Western Digital Research In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-ide@vger.kernel.org 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