On 2/24/20 7:00 PM, Xiaoguang Wang wrote: > Thanks for your modified version, it works well and looks much better, > after applying this version, I also don't see this hang issue again. > From your codes, now I understand why we don't need to hold > uring_lock, thanks. Should I send this v4 version with your codes? Yeah, please send a v4, that'd be great. Thanks! -- Jens Axboe