struct cache_head *new, struct cache_head *old, int hash);
 
 
-#define cache_for_each(pos, detail, index, member)                                             \
-       for (({read_lock(&(detail)->hash_lock); index = (detail)->hash_size;}) ;                \
-            ({if (index==0)read_unlock(&(detail)->hash_lock); index--;});                      \
-               )                                                                               \
-               for (pos = container_of((detail)->hash_table[index], typeof(*pos), member);     \
-                    &pos->member;                                                              \
-                    pos = container_of(pos->member.next, typeof(*pos), member))
-
-            
-
 extern void cache_clean_deferred(void *owner);
 
 static inline struct cache_head  *cache_get(struct cache_head *h)