1set_bit 2clear_bit 3__clear_bit 4__set_bit 5test_bit 6test_and_set_bit 7find_last_bit 8change_bit 9xfs_next_bit 10find_next_bit 11find_first_bit 12__test_and_set_bit 13sync_set_bit 14bitmap_weight 15bitmap_intersects 16bitmap_empty 17