unsigned int key_len;
unsigned int dummy;
/* cache-cold for iteration */
- unsigned long hash;
struct rcu_head head;
};
/* Call with rcu_read_lock held. */
void ht_add(struct rcu_ht *ht, struct rcu_ht_node *node);
-/* Call with rcu_read_lock held. */
-int ht_add_unique(struct rcu_ht *ht, struct rcu_ht_node *node);
+/*
+ * Call with rcu_read_lock held.
+ * Returns the node added upon success.
+ * Returns the unique node already present upon failure. If ht_add_unique fails,
+ * the node passed as parameter should be freed by the caller.
+ */
+struct rcu_ht_node *ht_add_unique(struct rcu_ht *ht, struct rcu_ht_node *node);
/* Call with rcu_read_lock held. */
int ht_remove(struct rcu_ht *ht, struct rcu_ht_node *node);