[XFS] Make some extended attributes routines take const parameters, for
the FreeBSD porters.

SGI-PV: 942906
SGI-Modid: xfs-linux:xfs-kern:23845a

Signed-off-by: Nathan Scott <nathans@sgi.com>
diff --git a/fs/xfs/linux-2.6/xfs_vnode.h b/fs/xfs/linux-2.6/xfs_vnode.h
index 35f306c..76a8ddd 100644
--- a/fs/xfs/linux-2.6/xfs_vnode.h
+++ b/fs/xfs/linux-2.6/xfs_vnode.h
@@ -216,11 +216,12 @@
 typedef int	(*vop_bmap_t)(bhv_desc_t *, xfs_off_t, ssize_t, int,
 				struct xfs_iomap *, int *);
 typedef int	(*vop_reclaim_t)(bhv_desc_t *);
-typedef int	(*vop_attr_get_t)(bhv_desc_t *, char *, char *, int *, int,
-				struct cred *);
-typedef	int	(*vop_attr_set_t)(bhv_desc_t *, char *, char *, int, int,
-				struct cred *);
-typedef	int	(*vop_attr_remove_t)(bhv_desc_t *, char *, int, struct cred *);
+typedef int	(*vop_attr_get_t)(bhv_desc_t *, const char *, char *, int *,
+				int, struct cred *);
+typedef	int	(*vop_attr_set_t)(bhv_desc_t *, const char *, char *, int,
+				int, struct cred *);
+typedef	int	(*vop_attr_remove_t)(bhv_desc_t *, const char *,
+				int, struct cred *);
 typedef	int	(*vop_attr_list_t)(bhv_desc_t *, char *, int, int,
 				struct attrlist_cursor_kern *, struct cred *);
 typedef void	(*vop_link_removed_t)(bhv_desc_t *, vnode_t *, int);