*/
 #if BITS_PER_LONG == 64
 # define lov_do_div64(n, base) ({                                      \
-       uint64_t __base = (base);                                       \
-       uint64_t __rem;                                                 \
-       __rem = ((uint64_t)(n)) % __base;                               \
-       (n) = ((uint64_t)(n)) / __base;                                 \
+       u64 __base = (base);                                    \
+       u64 __rem;                                                      \
+       __rem = ((u64)(n)) % __base;                            \
+       (n) = ((u64)(n)) / __base;                                      \
        __rem;                                                          \
 })
 #elif BITS_PER_LONG == 32
 # define lov_do_div64(n, base) ({                                      \
-       uint64_t __rem;                                                 \
+       u64 __rem;                                                      \
        if ((sizeof(base) > 4) && (((base) & 0xffffffff00000000ULL) != 0)) {  \
                int __remainder;                                              \
                LASSERTF(!((base) & (LOV_MIN_STRIPE_SIZE - 1)), "64 bit lov " \
-                        "division %llu / %llu\n", (n), (uint64_t)(base));    \
+                        "division %llu / %llu\n", (n), (u64)(base));    \
                __remainder = (n) & (LOV_MIN_STRIPE_SIZE - 1);          \
                (n) >>= LOV_MIN_STRIPE_BITS;                            \
                __rem = do_div(n, (base) >> LOV_MIN_STRIPE_BITS);       \
 
 
        /* Write stats is actually protected by client_obd's lock. */
        struct osc_stats {
-               uint64_t     os_lockless_writes;          /* by bytes */
-               uint64_t     os_lockless_reads;    /* by bytes */
-               uint64_t     os_lockless_truncates;       /* by times */
+               u64     os_lockless_writes;       /* by bytes */
+               u64     os_lockless_reads;        /* by bytes */
+               u64     os_lockless_truncates;    /* by times */
        } od_stats;
 
        /* configuration item(s) */