AFS_VLSERVER_FL_PROBING
if (!test_and_set_bit_lock(AFS_VLSERVER_FL_PROBING, &server->flags) &&
if (!test_bit(AFS_VLSERVER_FL_PROBING, &server->flags))
clear_bit_unlock(AFS_VLSERVER_FL_PROBING, &server->flags);
wake_up_bit(&server->flags, AFS_VLSERVER_FL_PROBING);
if (test_bit(AFS_VLSERVER_FL_PROBING, &server->flags))