[PATCH] Unlink and directory fix

Make 'unlink' a bool and fix bug in directory setup.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
diff --git a/HOWTO b/HOWTO
index c9d29f2..1b34c28 100644
--- a/HOWTO
+++ b/HOWTO
@@ -414,7 +414,7 @@
 create_fsync=bool	fsync the data file after creation. This is the
 			default.
 
-unlink		Unlink the job files when done. fio defaults to doing this,
+unlink=bool	Unlink the job files when done. fio defaults to doing this,
 		if it created the file itself.
 
 loops=int	Run the specified number of iterations of this job. Used