io_uring: handle connect -EINPROGRESS like -EAGAIN

Right now we return it to userspace, which means the application has
to poll for the socket to be writeable. Let's just treat it like
-EAGAIN and have io_uring handle it internally, this makes it much
easier to use.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
1 file changed