fib_num_tclassid_users
return atomic_read(&net->ipv4.fib_num_tclassid_users);
atomic_t fib_num_tclassid_users;
atomic_set(&net->ipv4.fib_num_tclassid_users, 0);
if (!r && !fib_num_tclassid_users(net) &&
atomic_inc(&net->ipv4.fib_num_tclassid_users);
atomic_dec(&net->ipv4.fib_num_tclassid_users);
atomic_dec(&net->ipv4.fib_num_tclassid_users);
atomic_inc(&net->ipv4.fib_num_tclassid_users);