* a d_name with size len.
*/
#define VXFS_DIRPAD 4
-#define VXFS_NAMEMIN ((int)((struct vxfs_direct *)0)->d_name)
+#define VXFS_NAMEMIN offsetof(struct vxfs_direct, d_name)
#define VXFS_DIRROUND(len) ((VXFS_DIRPAD + (len) - 1) & ~(VXFS_DIRPAD -1))
#define VXFS_DIRLEN(len) (VXFS_DIRROUND(VXFS_NAMEMIN + (len)))