19 #include "hash.h"
26 /* clears the hash */
27 static void batadv_hash_init(struct batadv_hashtable *hash)  in batadv_hash_init()  argument
31 	for (i = 0; i < hash->size; i++) {  in batadv_hash_init()
32 		INIT_HLIST_HEAD(&hash->table[i]);  in batadv_hash_init()
33 		spin_lock_init(&hash->list_locks[i]);  in batadv_hash_init()
38  * batadv_hash_destroy() - Free only the hashtable and the hash itself
39  * @hash: hash object to destroy
41 void batadv_hash_destroy(struct batadv_hashtable *hash)  in batadv_hash_destroy()  argument
43 	kfree(hash->list_locks);  in batadv_hash_destroy()
44 	kfree(hash->table);  in batadv_hash_destroy()
45 	kfree(hash);  in batadv_hash_destroy()
50  * @size: number of hash buckets to allocate
56 	struct batadv_hashtable *hash;  in batadv_hash_new()  local
58 	hash = kmalloc(sizeof(*hash), GFP_ATOMIC);  in batadv_hash_new()
59 	if (!hash)  in batadv_hash_new()
62 	hash->table = kmalloc_array(size, sizeof(*hash->table), GFP_ATOMIC);  in batadv_hash_new()
63 	if (!hash->table)  in batadv_hash_new()
66 	hash->list_locks = kmalloc_array(size, sizeof(*hash->list_locks),  in batadv_hash_new()
68 	if (!hash->list_locks)  in batadv_hash_new()
71 	hash->size = size;  in batadv_hash_new()
72 	batadv_hash_init(hash);  in batadv_hash_new()
73 	return hash;  in batadv_hash_new()
76 	kfree(hash->table);  in batadv_hash_new()
78 	kfree(hash);  in batadv_hash_new()
83  * batadv_hash_set_lock_class() - Set specific lockdep class for hash spinlocks
84  * @hash: hash object to modify
87 void batadv_hash_set_lock_class(struct batadv_hashtable *hash,  in batadv_hash_set_lock_class()  argument
92 	for (i = 0; i < hash->size; i++)  in batadv_hash_set_lock_class()
93 		lockdep_set_class(&hash->list_locks[i], key);  in batadv_hash_set_lock_class()