2017 				     u64 chain_key)  in lookup_chain_cache()  argument
2020 	struct list_head *hash_head = chainhashentry(chain_key);  in lookup_chain_cache()
2037 		if (chain->chain_key == chain_key) {  in lookup_chain_cache()
2043 					(unsigned long long)chain_key,  in lookup_chain_cache()
2050 			(unsigned long long)chain_key, class->key, class->name);  in lookup_chain_cache()
2061 		if (chain->chain_key == chain_key) {  in lookup_chain_cache()
2075 	chain->chain_key = chain_key;  in lookup_chain_cache()
2102 		struct held_lock *hlock, int chain_head, u64 chain_key)  in validate_chain()  argument
2115 	    lookup_chain_cache(curr, hlock, chain_key)) {  in validate_chain()
2157 		int chain_head, u64 chain_key)  in validate_chain()  argument
2172 	u64 chain_key = 0;  in check_chain_key()  local
2176 		if (chain_key != hlock->prev_chain_key) {  in check_chain_key()
2184 				(unsigned long long)chain_key,  in check_chain_key()
2197 			chain_key = 0;  in check_chain_key()
2198 		chain_key = iterate_chain_key(chain_key, id);  in check_chain_key()
2201 	if (chain_key != curr->curr_chain_key) {  in check_chain_key()
2209 			(unsigned long long)chain_key,  in check_chain_key()
3079 	u64 chain_key;  in __lock_acquire()  local
3186 	chain_key = curr->curr_chain_key;  in __lock_acquire()
3191 		if (DEBUG_LOCKS_WARN_ON(chain_key != 0))  in __lock_acquire()
3196 	hlock->prev_chain_key = chain_key;  in __lock_acquire()
3198 		chain_key = 0;  in __lock_acquire()
3201 	chain_key = iterate_chain_key(chain_key, id);  in __lock_acquire()
3206 	if (!validate_chain(curr, lock, hlock, chain_head, chain_key))  in __lock_acquire()
3209 	curr->curr_chain_key = chain_key;  in __lock_acquire()