pull LRU crawler out into its own file.

~600 lines gone from items.c makes it a lot more manageable.

this change is almost purely moving code around and renaming functions. very
little logic has changed.

1 files changed, 13 insertions, 11 deletions

diff --git a/items.h b/items.h
index d9d99e3..cc89a61 100644
--- a/items.h
+++ b/items.h
@@ -1,3 +1,10 @@
+#define HOT_LRU 0
+#define WARM_LRU 64
+#define COLD_LRU 128
+#define NOEXP_LRU 192
+
+#define CLEAR_LRU(id) (id & ~(3<<6))
+
 /* See items.c */
 uint64_t get_cas_id(void);
 
@@ -16,9 +23,15 @@ int  do_item_replace(item *it, item *new_it, const uint32_t hv);
 
 int item_is_flushed(item *it);
 
+void do_item_linktail_q(item *it);
+void do_item_unlinktail_q(item *it);
+item *do_item_crawl_q(item *it);
+
 /*@null@*/
 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 do_item_stats_add_crawl(const int i, const uint64_t reclaimed,
+        const uint64_t unfetched, const uint64_t checked);
 void item_stats_totals(ADD_STAT add_stats, void *c);
 /*@null@*/
 void item_stats_sizes(ADD_STAT add_stats, void *c);
@@ -34,19 +47,8 @@ item *do_item_touch(const char *key, const size_t nkey, uint32_t exptime, const
 void item_stats_reset(void);
 extern pthread_mutex_t lru_locks[POWER_LARGEST];
 
-enum crawler_result_type {
-    CRAWLER_OK=0, CRAWLER_RUNNING, CRAWLER_BADCLASS, CRAWLER_NOTSTARTED, CRAWLER_ERROR
-};
-
 int start_lru_maintainer_thread(void);
 int stop_lru_maintainer_thread(void);
 int init_lru_maintainer(void);
 void lru_maintainer_pause(void);
 void lru_maintainer_resume(void);
-
-int start_item_crawler_thread(void);
-int stop_item_crawler_thread(void);
-int init_lru_crawler(void);
-enum crawler_result_type lru_crawler_crawl(char *slabs, enum crawler_run_type, void *c, const int sfd);
-void lru_crawler_pause(void);
-void lru_crawler_resume(void);