From 2cd10a496a86787367716b684dadfecbb594095b Mon Sep 17 00:00:00 2001 From: Joel Colledge Date: Tue, 22 Nov 2022 14:43:00 +0100 Subject: [PATCH] lru_cache: remove unused lc_private, lc_set, lc_index_of MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Joel Colledge Signed-off-by: Christoph Böhmwalder Link: https://lore.kernel.org/r/20221122134301.69258-4-christoph.boehmwalder@linbit.com Signed-off-by: Jens Axboe --- include/linux/lru_cache.h | 3 --- lib/lru_cache.c | 44 --------------------------------------- 2 files changed, 47 deletions(-) diff --git a/include/linux/lru_cache.h b/include/linux/lru_cache.h index 07add7882a5d..c9afcdd9324c 100644 --- 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 5dd5e4c00a23..b3d9187611de 100644 --- a/lib/lru_cache.c +++ b/lib/lru_cache.c @@ -574,48 +574,6 @@ struct lc_element *lc_element_by_index(struct lru_cache *lc, unsigned i) return lc->lc_element[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 @@ -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);