lru_cache: remove unused lc_private, lc_set, lc_index_of

Signed-off-by: Joel Colledge <joel.colledge@linbit.com>
Signed-off-by: Christoph Böhmwalder <christoph.boehmwalder@linbit.com>
Link: https://lore.kernel.org/r/20221122134301.69258-4-christoph.boehmwalder@linbit.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>

diff --git a/include/linux/lru_cache.h b/include/linux/lru_cache.h
index 07add78..c9afcdd 100644 (file)
--- a/include/linux/lru_cache.h
+++ b/include/linux/lru_cache.h
@@ -199,7 +199,6 @@ struct lru_cache {
        unsigned long flags;
 
 
-       void  *lc_private;
        const char *name;
 
        /* nr_elements there */
@@ -241,7 +240,6 @@ extern struct lru_cache *lc_create(const char *name, struct kmem_cache *cache,
                unsigned e_count, size_t e_size, size_t e_off);
 extern void lc_reset(struct lru_cache *lc);
 extern void lc_destroy(struct lru_cache *lc);
-extern void lc_set(struct lru_cache *lc, unsigned int enr, int index);
 extern void lc_del(struct lru_cache *lc, struct lc_element *element);
 
 extern struct lc_element *lc_get_cumulative(struct lru_cache *lc, unsigned int enr);
@@ -297,6 +295,5 @@ extern bool lc_is_used(struct lru_cache *lc, unsigned int enr);
        container_of(ptr, type, member)
 
 extern struct lc_element *lc_element_by_index(struct lru_cache *lc, unsigned i);
-extern unsigned int lc_index_of(struct lru_cache *lc, struct lc_element *e);
 
 #endif

diff --git a/lib/lru_cache.c b/lib/lru_cache.c
index 5dd5e4c..b3d9187 100644 (file)
--- a/lib/lru_cache.c
+++ b/lib/lru_cache.c
@@ -575,48 +575,6 @@ struct lc_element *lc_element_by_index(struct lru_cache *lc, unsigned i)
 }
 
 /**
- * lc_index_of
- * @lc: the lru cache to operate on
- * @e: the element to query for its index position in lc->element
- */
-unsigned int lc_index_of(struct lru_cache *lc, struct lc_element *e)
-{
-       PARANOIA_LC_ELEMENT(lc, e);
-       return e->lc_index;
-}
-
-/**
- * lc_set - associate index with label
- * @lc: the lru cache to operate on
- * @enr: the label to set
- * @index: the element index to associate label with.
- *
- * Used to initialize the active set to some previously recorded state.
- */
-void lc_set(struct lru_cache *lc, unsigned int enr, int index)
-{
-       struct lc_element *e;
-       struct list_head *lh;
-
-       if (index < 0 || index >= lc->nr_elements)
-               return;
-
-       e = lc_element_by_index(lc, index);
-       BUG_ON(e->lc_number != e->lc_new_number);
-       BUG_ON(e->refcnt != 0);
-
-       e->lc_number = e->lc_new_number = enr;
-       hlist_del_init(&e->colision);
-       if (enr == LC_FREE)
-               lh = &lc->free;
-       else {
-               hlist_add_head(&e->colision, lc_hash_slot(lc, enr));
-               lh = &lc->lru;
-       }
-       list_move(&e->list, lh);
-}
-
-/**
  * lc_seq_dump_details - Dump a complete LRU cache to seq in textual form.
  * @lc: the lru cache to operate on
  * @seq: the &struct seq_file pointer to seq_printf into
@@ -650,7 +608,6 @@ void lc_seq_dump_details(struct seq_file *seq, struct lru_cache *lc, char *utext
 EXPORT_SYMBOL(lc_create);
 EXPORT_SYMBOL(lc_reset);
 EXPORT_SYMBOL(lc_destroy);
-EXPORT_SYMBOL(lc_set);
 EXPORT_SYMBOL(lc_del);
 EXPORT_SYMBOL(lc_try_get);
 EXPORT_SYMBOL(lc_find);
@@ -658,7 +615,6 @@ EXPORT_SYMBOL(lc_get);
 EXPORT_SYMBOL(lc_put);
 EXPORT_SYMBOL(lc_committed);
 EXPORT_SYMBOL(lc_element_by_index);
-EXPORT_SYMBOL(lc_index_of);
 EXPORT_SYMBOL(lc_seq_printf_stats);
 EXPORT_SYMBOL(lc_seq_dump_details);
 EXPORT_SYMBOL(lc_try_lock);