io_file_supports_async() checks whether a file supports nowait
operations, so "async" in the name is misleading. Rename it.
Signed-off-by: NPavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/33d55b5ce43aa1884c637c1957f1e30d30dc3bec.1628471125.git.asml.silence@gmail.comSigned-off-by: NJens Axboe <axboe@kernel.dk>