target_tpg_free_lun
call_rcu(&lun->rcu_head, target_tpg_free_lun);
void target_tpg_free_lun(struct rcu_head *head);
target_tpg_free_lun(&se_tpg->tpg_virt_lun0->rcu_head);
call_rcu(&se_tpg->tpg_virt_lun0->rcu_head, target_tpg_free_lun);