xfs: add CRC checking to dir2 data blocks

This addition follows the same pattern as the dir2 block CRCs.

Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Ben Myers <bpm@sgi.com>
Signed-off-by: Ben Myers <bpm@sgi.com>

diff --git a/fs/xfs/xfs_dir2_priv.h b/fs/xfs/xfs_dir2_priv.h
index e6f2e0a..910e644 100644
--- a/fs/xfs/xfs_dir2_priv.h
+++ b/fs/xfs/xfs_dir2_priv.h
@@ -43,17 +43,17 @@
 
 /* xfs_dir2_data.c */
 #ifdef DEBUG
-#define	xfs_dir2_data_check(dp,bp) __xfs_dir2_data_check(dp, bp);
+#define	xfs_dir3_data_check(dp,bp) __xfs_dir3_data_check(dp, bp);
 #else
-#define	xfs_dir2_data_check(dp,bp)
+#define	xfs_dir3_data_check(dp,bp)
 #endif
 
-extern const struct xfs_buf_ops xfs_dir2_data_buf_ops;
+extern const struct xfs_buf_ops xfs_dir3_data_buf_ops;
 
-extern int __xfs_dir2_data_check(struct xfs_inode *dp, struct xfs_buf *bp);
-extern int xfs_dir2_data_read(struct xfs_trans *tp, struct xfs_inode *dp,
+extern int __xfs_dir3_data_check(struct xfs_inode *dp, struct xfs_buf *bp);
+extern int xfs_dir3_data_read(struct xfs_trans *tp, struct xfs_inode *dp,
 		xfs_dablk_t bno, xfs_daddr_t mapped_bno, struct xfs_buf **bpp);
-extern int xfs_dir2_data_readahead(struct xfs_trans *tp, struct xfs_inode *dp,
+extern int xfs_dir3_data_readahead(struct xfs_trans *tp, struct xfs_inode *dp,
 		xfs_dablk_t bno, xfs_daddr_t mapped_bno);
 
 extern struct xfs_dir2_data_free *