Fix common misspellings

Fixes generated by 'codespell' and manually reviewed.

Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>
diff --git a/Documentation/filesystems/ocfs2.txt b/Documentation/filesystems/ocfs2.txt
index 5393e66..9ed920a 100644
--- a/Documentation/filesystems/ocfs2.txt
+++ b/Documentation/filesystems/ocfs2.txt
@@ -80,7 +80,7 @@
 nouser_xattr		Disables Extended User Attributes.
 acl			Enables POSIX Access Control Lists support.
 noacl		(*)	Disables POSIX Access Control Lists support.
-resv_level=2	(*)	Set how agressive allocation reservations will be.
+resv_level=2	(*)	Set how aggressive allocation reservations will be.
 			Valid values are between 0 (reservations off) to 8
 			(maximum space for reservations).
 dir_resv_level=	(*)	By default, directory reservations will scale with file