xfs: remove m_litino

With the upcoming v3 inodes the inode data/attr area size needs to be
calculated for each specific inode, so we can't cache it in the superblock
anymore.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Eric Sandeen <sandeen@sandeen.net>
Reviewed-by: Felix Blyakher <felixb@sgi.com>
diff --git a/fs/xfs/xfs_dinode.h b/fs/xfs/xfs_dinode.h
index 162e872..e5b153b 100644
--- a/fs/xfs/xfs_dinode.h
+++ b/fs/xfs/xfs_dinode.h
@@ -103,7 +103,9 @@
 /*
  * Inode size for given fs.
  */
-#define	XFS_LITINO(mp)	((mp)->m_litino)
+#define XFS_LITINO(mp) \
+	((int)(((mp)->m_sb.sb_inodesize) - sizeof(struct xfs_dinode)))
+
 #define	XFS_BROOT_SIZE_ADJ	\
 	(XFS_BTREE_LBLOCK_LEN - sizeof(xfs_bmdr_block_t))