Beginning work for LRU rework

Primarily splitting cache_lock into a lock-per LRU, and making the
it->slab_clsid lookup indirect. cache_lock is now more or less gone.

Stats are still wrong. they need to internally summarize over each
sub-class.

1 files changed, 6 insertions, 4 deletions

diff --git a/items.h b/items.h
index b6ae612..88d7c21 100644
--- a/items.h
+++ b/items.h
@@ -2,6 +2,7 @@
 uint64_t get_cas_id(void);
 
 /*@null@*/
+item *do_item_alloc_old(char *key, const size_t nkey, const int flags, const rel_time_t exptime, const int nbytes, const uint32_t cur_hv);
 item *do_item_alloc(char *key, const size_t nkey, const int flags, const rel_time_t exptime, const int nbytes, const uint32_t cur_hv);
 void item_free(item *it);
 bool item_size_ok(const size_t nkey, const int flags, const int nbytes);
@@ -15,16 +16,17 @@ void do_item_update_nolock(item *it);
 int  do_item_replace(item *it, item *new_it, const uint32_t hv);
 
 /*@null@*/
-char *do_item_cachedump(const unsigned int slabs_clsid, const unsigned int limit, unsigned int *bytes);
-void do_item_stats(ADD_STAT add_stats, void *c);
-void do_item_stats_totals(ADD_STAT add_stats, void *c);
+char *item_cachedump(const unsigned int slabs_clsid, const unsigned int limit, unsigned int *bytes);
+void item_stats(ADD_STAT add_stats, void *c);
+void item_stats_totals(ADD_STAT add_stats, void *c);
 /*@null@*/
-void do_item_stats_sizes(ADD_STAT add_stats, void *c);
+void item_stats_sizes(ADD_STAT add_stats, void *c);
 
 item *do_item_get(const char *key, const size_t nkey, const uint32_t hv);
 item *do_item_touch(const char *key, const size_t nkey, uint32_t exptime, const uint32_t hv);
 void item_stats_reset(void);
 extern pthread_mutex_t cache_lock;
+extern pthread_mutex_t lru_locks[POWER_LARGEST];
 void item_stats_evictions(uint64_t *evicted);
 
 enum crawler_result_type {