Fix a bunch of problems mostly found by checkpatch.pl
Signed-off-by: NPavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/cfaf9a2f27b43934144fe9422a916bd327099f44.1624543113.git.asml.silence@gmail.comSigned-off-by: NJens Axboe <axboe@kernel.dk>