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lru_cache: remove unused lc_private, lc_set, lc_index_of

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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>
This commit is contained in:
Joel Colledge 2022-11-22 14:43:00 +01:00 committed by Jens Axboe
parent 9933438430
commit 2cd10a496a
2 changed files with 0 additions and 47 deletions
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3
include/linux/lru_cache.h
View File

@ -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

44
lib/lru_cache.c
View File

@ -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);