On 2/8/20 4:04 AM, Pavel Begunkov wrote: > First, io_close() misses filp_close() and io_cqring_add_event(), when > f_op->flush is defined. That's because in this case it will > io_queue_async_work() itself not grabbing files, so the corresponding > chunk in io_close_finish() won't be executed. > > Second, when submitted through io_wq_submit_work(), it will do > filp_close() and *_add_event() twice: first inline in io_close(), > and the second one in call to io_close_finish() from io_close(). > The second one will also fire, because it was submitted async through > generic path, and so have grabbed files. > > And the last nice thing is to remove this weird pilgrimage with checking > work/old_work and casting it to nxt. Just use a helper instead. Thanks, applied. Nice cleanup, too! -- Jens Axboe