On Thu, Jan 16, 2020 at 08:29:07AM -0700, Jens Axboe wrote: > On 1/16/20 6:49 AM, Stefano Garzarella wrote: > > io_uring_poll() sets EPOLLOUT flag if there is space in the > > SQ ring, then we should wakeup threads waiting for EPOLLOUT > > events when we expose the new SQ head to the userspace. > > > > Signed-off-by: Stefano Garzarella <sgarzare@xxxxxxxxxx> > > --- > > > > Do you think is better to change the name of 'cq_wait' and 'cq_fasync'? > > I honestly think it'd be better to have separate waits for in/out poll, > the below patch will introduce some unfortunate cacheline traffic > between the submitter and completer side. Agree, make sense. I'll send a v2 with a new 'sq_wait'. About fasync, do you think could be useful the POLL_OUT support? In this case, maybe is not simple to have two separate fasync_struct, do you have any advice? Thanks, Stefano