On 1/23/20 2:45 PM, Stefano Garzarella wrote: > On Thu, Jan 23, 2020 at 12:13:57PM -0700, Jens Axboe wrote: >> On 1/16/20 10:03 AM, Stefano Garzarella wrote: >>> On Thu, Jan 16, 2020 at 09:30:12AM -0700, Jens Axboe wrote: >>>> On 1/16/20 9:26 AM, Stefano Garzarella wrote: >>>>>> Since the use case is mostly single submitter, unless you're doing >>>>>> something funky or unusual, you're not going to be needing POLLOUT ever. >>>>> >>>>> The case that I had in mind was with kernel side polling enabled and >>>>> a single submitter that can use epoll() to wait free slots in the SQ >>>>> ring. (I don't have a test, maybe I can write one...) >>>> >>>> Right, I think that's the only use case where it makes sense, because >>>> you have someone else draining the sq side for you. A test case would >>>> indeed be nice, liburing has a good arsenal of test cases and this would >>>> be a good addition! >>> >>> Sure, I'll send a test to liburing for this case! >> >> Gentle ping on the test case :-) >> > > Yes, you are right :-) > > I was a little busy this week to finish some works before DevConf. I > hope to work on the test case these days, so by Monday I hope I have > it ;-) Thanks, all good, just a gentle nudge ;-) -- Jens Axboe
