+#define CFS_ATOMIC_INIT(i) { (i) }
+
+#define cfs_atomic_read(a) ((a)->counter)
+#define cfs_atomic_set(a,b) do {(a)->counter = b; } while (0)
+#define cfs_atomic_dec_and_test(a) ((--((a)->counter)) == 0)
+#define cfs_atomic_dec_and_lock(a,b) ((--((a)->counter)) == 0)
+#define cfs_atomic_inc(a) (((a)->counter)++)
+#define cfs_atomic_dec(a) do { (a)->counter--; } while (0)
+#define cfs_atomic_add(b,a) do {(a)->counter += b;} while (0)
+#define cfs_atomic_add_return(n,a) ((a)->counter += n)
+#define cfs_atomic_inc_return(a) cfs_atomic_add_return(1,a)
+#define cfs_atomic_sub(b,a) do {(a)->counter -= b;} while (0)
+#define cfs_atomic_sub_return(n,a) ((a)->counter -= n)
+#define cfs_atomic_dec_return(a) cfs_atomic_sub_return(1,a)
+#define cfs_atomic_add_unless(v, a, u) \
+ ((v)->counter != u ? (v)->counter += a : 0)
+#define cfs_atomic_inc_not_zero(v) cfs_atomic_add_unless((v), 1, 0)