113 static inline void *rht_obj(const struct rhashtable *ht,  in rht_obj()  argument
116 	return (char *)he - ht->p.head_offset;  in rht_obj()
125 static inline unsigned int rht_key_get_hash(struct rhashtable *ht,  in rht_key_get_hash()  argument
131 	/* params must be equal to ht->p if it isn't constant. */  in rht_key_get_hash()
133 		hash = ht->p.hashfn(key, ht->key_len, hash_rnd);  in rht_key_get_hash()
144 		unsigned int key_len = ht->p.key_len;  in rht_key_get_hash()
156 	struct rhashtable *ht, const struct bucket_table *tbl,  in rht_key_hashfn()  argument
159 	unsigned int hash = rht_key_get_hash(ht, key, params, tbl->hash_rnd);  in rht_key_hashfn()
165 	struct rhashtable *ht, const struct bucket_table *tbl,  in rht_head_hashfn()  argument
168 	const char *ptr = rht_obj(ht, he);  in rht_head_hashfn()
172 							    ht->p.key_len,  in rht_head_hashfn()
174 	       rht_key_hashfn(ht, tbl, ptr + params.key_offset, params);  in rht_head_hashfn()
179  * @ht:		hash table
182 static inline bool rht_grow_above_75(const struct rhashtable *ht,  in rht_grow_above_75()  argument
186 	return atomic_read(&ht->nelems) > (tbl->size / 4 * 3) &&  in rht_grow_above_75()
187 	       (!ht->p.max_size || tbl->size < ht->p.max_size);  in rht_grow_above_75()
192  * @ht:		hash table
195 static inline bool rht_shrink_below_30(const struct rhashtable *ht,  in rht_shrink_below_30()  argument
199 	return atomic_read(&ht->nelems) < (tbl->size * 3 / 10) &&  in rht_shrink_below_30()
200 	       tbl->size > ht->p.min_size;  in rht_shrink_below_30()
205  * @ht:		hash table
208 static inline bool rht_grow_above_100(const struct rhashtable *ht,  in rht_grow_above_100()  argument
211 	return atomic_read(&ht->nelems) > tbl->size &&  in rht_grow_above_100()
212 		(!ht->p.max_size || tbl->size < ht->p.max_size);  in rht_grow_above_100()
217  * @ht:		hash table
220 static inline bool rht_grow_above_max(const struct rhashtable *ht,  in rht_grow_above_max()  argument
223 	return atomic_read(&ht->nelems) >= ht->max_elems;  in rht_grow_above_max()
227 int lockdep_rht_mutex_is_held(struct rhashtable *ht);
230 static inline int lockdep_rht_mutex_is_held(struct rhashtable *ht)  in lockdep_rht_mutex_is_held()  argument
242 void *rhashtable_insert_slow(struct rhashtable *ht, const void *key,
245 void rhashtable_walk_enter(struct rhashtable *ht,
259 void rhashtable_free_and_destroy(struct rhashtable *ht,
262 void rhashtable_destroy(struct rhashtable *ht);
269 	struct rhashtable *ht, struct bucket_table *tbl, unsigned int hash);
271 #define rht_dereference(p, ht) \  argument
272 	rcu_dereference_protected(p, lockdep_rht_mutex_is_held(ht))
274 #define rht_dereference_rcu(p, ht) \  argument
275 	rcu_dereference_check(p, lockdep_rht_mutex_is_held(ht))
301 	struct rhashtable *ht, struct bucket_table *tbl, unsigned int hash)  in rht_bucket_insert()  argument
303 	return unlikely(tbl->nest) ? rht_bucket_nested_insert(ht, tbl, hash) :  in rht_bucket_insert()
582 	struct rhashtable *ht = arg->ht;  in rhashtable_compare()  local
585 	return memcmp(ptr + ht->p.key_offset, arg->key, ht->p.key_len);  in rhashtable_compare()
590 	struct rhashtable *ht, const void *key,  in __rhashtable_lookup()  argument
594 		.ht = ht,  in __rhashtable_lookup()
602 	tbl = rht_dereference_rcu(ht->tbl, ht);  in __rhashtable_lookup()
604 	hash = rht_key_hashfn(ht, tbl, key, params);  in __rhashtable_lookup()
609 			    params.obj_cmpfn(&arg, rht_obj(ht, he)) :  in __rhashtable_lookup()
610 			    rhashtable_compare(&arg, rht_obj(ht, he)))  in __rhashtable_lookup()
622 	tbl = rht_dereference_rcu(tbl->future_tbl, ht);  in __rhashtable_lookup()
631  * @ht:		hash table
643 	struct rhashtable *ht, const void *key,  in rhashtable_lookup()  argument
646 	struct rhash_head *he = __rhashtable_lookup(ht, key, params);  in rhashtable_lookup()
648 	return he ? rht_obj(ht, he) : NULL;  in rhashtable_lookup()
653  * @ht:		hash table
666 	struct rhashtable *ht, const void *key,  in rhashtable_lookup_fast()  argument
672 	obj = rhashtable_lookup(ht, key, params);  in rhashtable_lookup_fast()
696 	struct rhash_head *he = __rhashtable_lookup(&hlt->ht, key, params);  in rhltable_lookup()
706 	struct rhashtable *ht, const void *key, struct rhash_head *obj,  in __rhashtable_insert_fast()  argument
710 		.ht = ht,  in __rhashtable_insert_fast()
724 	tbl = rht_dereference_rcu(ht->tbl, ht);  in __rhashtable_insert_fast()
725 	hash = rht_head_hashfn(ht, tbl, obj, params);  in __rhashtable_insert_fast()
727 	bkt = rht_bucket_insert(ht, tbl, hash);  in __rhashtable_insert_fast()
738 		return rhashtable_insert_slow(ht, key, obj);  in __rhashtable_insert_fast()
748 		     params.obj_cmpfn(&arg, rht_obj(ht, head)) :  in __rhashtable_insert_fast()
749 		     rhashtable_compare(&arg, rht_obj(ht, head)))) {  in __rhashtable_insert_fast()
754 		data = rht_obj(ht, head);  in __rhashtable_insert_fast()
779 	if (unlikely(rht_grow_above_max(ht, tbl)))  in __rhashtable_insert_fast()
782 	if (unlikely(rht_grow_above_100(ht, tbl)))  in __rhashtable_insert_fast()
796 	atomic_inc(&ht->nelems);  in __rhashtable_insert_fast()
799 	if (rht_grow_above_75(ht, tbl))  in __rhashtable_insert_fast()
800 		schedule_work(&ht->run_work);  in __rhashtable_insert_fast()
815  * @ht:		hash table
829 	struct rhashtable *ht, struct rhash_head *obj,  in rhashtable_insert_fast()  argument
834 	ret = __rhashtable_insert_fast(ht, NULL, obj, params, false);  in rhashtable_insert_fast()
861 	return PTR_ERR(__rhashtable_insert_fast(&hlt->ht, key, &list->rhead,  in rhltable_insert_key()
884 	const char *key = rht_obj(&hlt->ht, &list->rhead);  in rhltable_insert()
893  * @ht:		hash table
906 	struct rhashtable *ht, struct rhash_head *obj,  in rhashtable_lookup_insert_fast()  argument
909 	const char *key = rht_obj(ht, obj);  in rhashtable_lookup_insert_fast()
912 	BUG_ON(ht->p.obj_hashfn);  in rhashtable_lookup_insert_fast()
914 	ret = __rhashtable_insert_fast(ht, key + ht->p.key_offset, obj, params,  in rhashtable_lookup_insert_fast()
924  * @ht:		hash table
933 	struct rhashtable *ht, struct rhash_head *obj,  in rhashtable_lookup_get_insert_fast()  argument
936 	const char *key = rht_obj(ht, obj);  in rhashtable_lookup_get_insert_fast()
938 	BUG_ON(ht->p.obj_hashfn);  in rhashtable_lookup_get_insert_fast()
940 	return __rhashtable_insert_fast(ht, key + ht->p.key_offset, obj, params,  in rhashtable_lookup_get_insert_fast()
947  * @ht:		hash table
960 	struct rhashtable *ht, const void *key, struct rhash_head *obj,  in rhashtable_lookup_insert_key()  argument
965 	BUG_ON(!ht->p.obj_hashfn || !key);  in rhashtable_lookup_insert_key()
967 	ret = __rhashtable_insert_fast(ht, key, obj, params, false);  in rhashtable_lookup_insert_key()
976  * @ht:		hash table
986 	struct rhashtable *ht, const void *key, struct rhash_head *obj,  in rhashtable_lookup_get_insert_key()  argument
989 	BUG_ON(!ht->p.obj_hashfn || !key);  in rhashtable_lookup_get_insert_key()
991 	return __rhashtable_insert_fast(ht, key, obj, params, false);  in rhashtable_lookup_get_insert_key()
996 	struct rhashtable *ht, struct bucket_table *tbl,  in __rhashtable_remove_fast_one()  argument
1007 	hash = rht_head_hashfn(ht, tbl, obj, params);  in __rhashtable_remove_fast_one()
1066 		atomic_dec(&ht->nelems);  in __rhashtable_remove_fast_one()
1067 		if (unlikely(ht->p.automatic_shrinking &&  in __rhashtable_remove_fast_one()
1068 			     rht_shrink_below_30(ht, tbl)))  in __rhashtable_remove_fast_one()
1069 			schedule_work(&ht->run_work);  in __rhashtable_remove_fast_one()
1078 	struct rhashtable *ht, struct rhash_head *obj,  in __rhashtable_remove_fast()  argument
1086 	tbl = rht_dereference_rcu(ht->tbl, ht);  in __rhashtable_remove_fast()
1093 	while ((err = __rhashtable_remove_fast_one(ht, tbl, obj, params,  in __rhashtable_remove_fast()
1095 	       (tbl = rht_dereference_rcu(tbl->future_tbl, ht)))  in __rhashtable_remove_fast()
1105  * @ht:		hash table
1119 	struct rhashtable *ht, struct rhash_head *obj,  in rhashtable_remove_fast()  argument
1122 	return __rhashtable_remove_fast(ht, obj, params, false);  in rhashtable_remove_fast()
1144 	return __rhashtable_remove_fast(&hlt->ht, &list->rhead, params, true);  in rhltable_remove()
1149 	struct rhashtable *ht, struct bucket_table *tbl,  in __rhashtable_replace_fast()  argument
1163 	hash = rht_head_hashfn(ht, tbl, obj_old, params);  in __rhashtable_replace_fast()
1164 	if (hash != rht_head_hashfn(ht, tbl, obj_new, params))  in __rhashtable_replace_fast()
1199  * @ht:		hash table
1212 	struct rhashtable *ht, struct rhash_head *obj_old,  in rhashtable_replace_fast()  argument
1221 	tbl = rht_dereference_rcu(ht->tbl, ht);  in rhashtable_replace_fast()
1228 	while ((err = __rhashtable_replace_fast(ht, tbl, obj_old,  in rhashtable_replace_fast()
1230 	       (tbl = rht_dereference_rcu(tbl->future_tbl, ht)))  in rhashtable_replace_fast()
1262 	return rhashtable_walk_enter(&hlt->ht, iter);  in rhltable_walk_enter()
1278 	return rhashtable_free_and_destroy(&hlt->ht, free_fn, arg);  in rhltable_free_and_destroy()