test: long iov recvmsg()/copy

Pass in a long iov (larger than on-stack cache)  to test that it's
allocated correctly, and copied well if inline execution failed with
-EAGAIN.

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
1 file changed