On 07/12/2012 02:18 PM, HaiTing Yao wrote: > 1, Can not guarantee I/O sequence of VDI. Many tx/rx threads, many io > threds. If two requests r/w the same sector of same VDI, data will be > corrupted. > I think we will never get two requests R/W the same sector, because VM's kernel should(might) guarantee this, at least for linux. > 2, I did not test the performance of this patch, but I think it will > not be better than before. The time for creating/destroing threads may > be longer than the time for data translation. Yes, short threads for this tx/rx would be the performance bottleneck. I benchmark the write performance with my patch, seems that no noticeable boost. Thanks Yuan |