2.5.48 s390 (4/16): 64bit sector_t.

diff -urN linux-2.5.48/include/asm-s390/types.h linux-2.5.48-s390/include/asm-s390/types.h
@@ -63,5 +63,10 @@
 	} subreg;
 } register_pair;
 
+#ifdef CONFIG_LBD
+typedef u64 sector_t;
+#define HAVE_SECTOR_T
+#endif
+
 #endif                                 /* __KERNEL__                       */
 #endif