fs/: Spelling fixes

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Adrian Bunk <bunk@kernel.org>
diff --git a/fs/ocfs2/dir.c b/fs/ocfs2/dir.c
index 6b0107f..e280833 100644
--- a/fs/ocfs2/dir.c
+++ b/fs/ocfs2/dir.c
@@ -1215,7 +1215,7 @@
 	down_write(&oi->ip_alloc_sem);
 
 	/*
-	 * Prepare for worst case allocation scenario of two seperate
+	 * Prepare for worst case allocation scenario of two separate
 	 * extents.
 	 */
 	if (alloc == 2)