Print usage if no arguments are given
authorJens Axboe <axboe@kernel.dk>
Wed, 5 Oct 2011 07:56:53 +0000 (09:56 +0200)
committerJens Axboe <axboe@kernel.dk>
Wed, 5 Oct 2011 07:56:53 +0000 (09:56 +0200)
Signed-off-by: Jens Axboe <axboe@kernel.dk>

No differences found