On Thu, Apr 30, 2020 at 10:24:46AM -0600, Jens Axboe wrote: > Pipe read/write only checks for the file O_NONBLOCK flag, but we should > also check for IOCB_NOWAIT for whether or not we should handle this read > or write in a non-blocking fashion. If we don't, then we will block on > data or space for iocbs that explicitly asked for non-blocking > operation. This messes up callers that explicitly ask for non-blocking > operations. Why does io_uring allow setting IOCB_NOWAIT without FMODE_NOWAIT, anyway?
