tree-wide: Assorted spelling fixes

In particular, several occurances of funny versions of 'success',
'unknown', 'therefore', 'acknowledge', 'argument', 'achieve', 'address',
'beginning', 'desirable', 'separate' and 'necessary' are fixed.

Signed-off-by: Daniel Mack <daniel@caiaq.de>
Cc: Joe Perches <joe@perches.com>
Cc: Junio C Hamano <gitster@pobox.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
diff --git a/fs/ocfs2/dlmglue.c b/fs/ocfs2/dlmglue.c
index c5e4a49..ccb9c44 100644
--- a/fs/ocfs2/dlmglue.c
+++ b/fs/ocfs2/dlmglue.c
@@ -1757,7 +1757,7 @@
  * ocfs2_file_lock() and ocfs2_file_unlock() map to a single pair of
  * flock() calls. The locking approach this requires is sufficiently
  * different from all other cluster lock types that we implement a
- * seperate path to the "low-level" dlm calls. In particular:
+ * separate path to the "low-level" dlm calls. In particular:
  *
  * - No optimization of lock levels is done - we take at exactly
  *   what's been requested.
diff --git a/fs/ocfs2/extent_map.c b/fs/ocfs2/extent_map.c
index d35a27f..83e9b12 100644
--- a/fs/ocfs2/extent_map.c
+++ b/fs/ocfs2/extent_map.c
@@ -453,7 +453,7 @@
 	if (i == -1) {
 		/*
 		 * Holes can be larger than the maximum size of an
-		 * extent, so we return their lengths in a seperate
+		 * extent, so we return their lengths in a separate
 		 * field.
 		 */
 		if (hole_len) {