Fix common misspellings

Fixes generated by 'codespell' and manually reviewed.

Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>
diff --git a/fs/ext4/migrate.c b/fs/ext4/migrate.c
index d1bafa5..92816b4 100644
--- a/fs/ext4/migrate.c
+++ b/fs/ext4/migrate.c
@@ -517,7 +517,7 @@
 	 * start with one credit accounted for
 	 * superblock modification.
 	 *
-	 * For the tmp_inode we already have commited the
+	 * For the tmp_inode we already have committed the
 	 * trascation that created the inode. Later as and
 	 * when we add extents we extent the journal
 	 */