On 5/1/20 11:53 AM, Jens Axboe wrote: > eventfd is using ->read() as it's file_operations read handler, but > this prevents passing in information about whether a given IO operation > is blocking or not. We can only use the file flags for that. To support > async (-EAGAIN/poll based) retries for io_uring, we need ->read_iter() > support. Convert eventfd to using ->read_iter(). Attached the wrong patch, forgot to update it... See 3b posting. I ran this through my io_uring related eventfd testing, and it looks good. -- Jens Axboe
