327 static int read_before(struct pcache_cache_key *key, struct pcache_cache_key *key_tmp,  in read_before()  argument
358 static int read_overlap_tail(struct pcache_cache_key *key, struct pcache_cache_key *key_tmp,  in read_overlap_tail()  argument
370 	io_len = cache_key_lstart(key_tmp) - cache_key_lstart(key);  in read_overlap_tail()
387 	io_len = cache_key_lend(key) - cache_key_lstart(key_tmp);  in read_overlap_tail()
388 	if (cache_key_empty(key_tmp)) {  in read_overlap_tail()
397 					io_len, &key_tmp->cache_pos, key_tmp->seg_gen);  in read_overlap_tail()
400 				cache_key_delete(key_tmp);  in read_overlap_tail()
419 static int read_overlap_contain(struct pcache_cache_key *key, struct pcache_cache_key *key_tmp,  in read_overlap_contain()  argument
431 	io_len = cache_key_lstart(key_tmp) - cache_key_lstart(key);  in read_overlap_contain()
448 	io_len = key_tmp->len;  in read_overlap_contain()
449 	if (cache_key_empty(key_tmp)) {  in read_overlap_contain()
458 					io_len, &key_tmp->cache_pos, key_tmp->seg_gen);  in read_overlap_contain()
461 				cache_key_delete(key_tmp);  in read_overlap_contain()
484 static int read_overlap_contained(struct pcache_cache_key *key, struct pcache_cache_key *key_tmp,  in read_overlap_contained()  argument
496 	if (cache_key_empty(key_tmp)) {  in read_overlap_contained()
504 		cache_pos_copy(&pos, &key_tmp->cache_pos);  in read_overlap_contained()
505 		cache_pos_advance(&pos, cache_key_lstart(key) - cache_key_lstart(key_tmp));  in read_overlap_contained()
508 					key->len, &pos, key_tmp->seg_gen);  in read_overlap_contained()
511 				cache_key_delete(key_tmp);  in read_overlap_contained()
530 static int read_overlap_head(struct pcache_cache_key *key, struct pcache_cache_key *key_tmp,  in read_overlap_head()  argument
539 	io_len = cache_key_lend(key_tmp) - cache_key_lstart(key);  in read_overlap_head()
541 	if (cache_key_empty(key_tmp)) {  in read_overlap_head()
549 		cache_pos_copy(&pos, &key_tmp->cache_pos);  in read_overlap_head()
550 		cache_pos_advance(&pos, cache_key_lstart(key) - cache_key_lstart(key_tmp));  in read_overlap_head()
553 					io_len, &pos, key_tmp->seg_gen);  in read_overlap_head()
556 				cache_key_delete(key_tmp);  in read_overlap_head()
666 	struct pcache_cache_key *key_tmp = NULL, *key_next;  in cache_read()  local
699 		list_for_each_entry_safe(key_tmp, key_next, &delete_key_list, list_node) {  in cache_read()
700 			list_del_init(&key_tmp->list_node);  in cache_read()
701 			cache_key_delete(key_tmp);  in cache_read()