ocfs2: correct the comments position of struct ocfs2_dir_block_trailer

Correct the comments position of the structure ocfs2_dir_block_trailer.

Link: http://lkml.kernel.org/r/71604351584F6A4EBAE558C676F37CA401071C5FDE@H3CMLB12-EX.srv.huawei-3com.com
Signed-off-by: guozhonghua <guozhonghua@h3c.com>
Cc: Mark Fasheh <mark@fasheh.com>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: Junxiao Bi <junxiao.bi@oracle.com>
Cc: Joseph Qi <jiangqi903@gmail.com>
Cc: Changwei Ge <ge.changwei@h3c.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

fs/ocfs2/ocfs2_fs.h

@@ -807,11 +807,11 @@ struct ocfs2_dir_block_trailer {
 						 * in this block. (unused) */
 /*10*/	__u8		db_signature[8];	/* Signature for verification */
 	__le64		db_reserved2;
-	__le64		db_free_next;		/* Next block in list (unused) */
-/*20*/	__le64		db_blkno;		/* Offset on disk, in blocks */
-	__le64		db_parent_dinode;	/* dinode which owns me, in
+/*20*/	__le64		db_free_next;		/* Next block in list (unused) */
+	__le64		db_blkno;		/* Offset on disk, in blocks */
+/*30*/	__le64		db_parent_dinode;	/* dinode which owns me, in
 						   blocks */
-/*30*/	struct ocfs2_block_check db_check;	/* Error checking */
+	struct ocfs2_block_check db_check;	/* Error checking */
 /*40*/
 };