16 	unsigned mask, old;  in set_bit()  local
20 	mask = 1U << (nr & 0x1f);  in set_bit()
23 	while (__bo_cas(a, old, old|mask) != old);  in set_bit()
28 	unsigned mask, old;  in clear_bit()  local
32 	mask = 1U << (nr & 0x1f);  in clear_bit()
35 	while (__bo_cas(a, old, old&~mask) != old);  in clear_bit()
40 	unsigned mask, old;  in change_bit()  local
44 	mask = 1U << (nr & 0x1f);  in change_bit()
47 	while (__bo_cas(a, old, old^mask) != old);  in change_bit()
52 	unsigned mask, old;  in test_and_set_bit()  local
56 	mask = 1U << (nr & 0x1f);  in test_and_set_bit()
59 	while (__bo_cas(a, old, old|mask) != old);  in test_and_set_bit()
61 	return !!(old & mask);  in test_and_set_bit()
66 	unsigned mask, old;  in test_and_clear_bit()  local
70 	mask = 1U << (nr & 0x1f);  in test_and_clear_bit()
73 	while (__bo_cas(a, old, old&~mask) != old);  in test_and_clear_bit()
75 	return !!(old & mask);  in test_and_clear_bit()
80 	unsigned mask, old;  in test_and_change_bit()  local
84 	mask = 1U << (nr & 0x1f);  in test_and_change_bit()
87 	while (__bo_cas(a, old, old^mask) != old);  in test_and_change_bit()
89 	return !!(old & mask);  in test_and_change_bit()