1 set_bit 2 clear_bit 3 __clear_bit 4 __set_bit 5 test_bit 6 test_and_set_bit 7 find_last_bit 8 change_bit 9 xfs_next_bit 10 find_next_bit 11 find_first_bit 12 __test_and_set_bit 13 sync_set_bit 14 bitmap_weight 15 bitmap_intersects 16 bitmap_empty