On 07/01/2016 10:53, Cao jin wrote: > On 01/07/2016 05:38 PM, Paolo Bonzini wrote: >> On 06/01/2016 14:43, Cao jin wrote: >> These functions are called in the data path; changes to use SCSI_BUS() >> should come with performance data proving that it doesn't slow down I/O. >> > > I see. I am not familiar with the procedure of scsi i/o performance > test, do have some guideline about it?
Usually people test with FIO, but I think it's simpler to just keep DO_UPCAST here. Paolo
