lru_cache: Converted lc_seq_printf_status to return void
Fix the semantic of lc_seq_printf. Currently, it always returns 0 and the return value is unused, therefore, convert the return type to void. Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com> Signed-off-by: Jens Axboe <axboe@fb.com>
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@ -264,7 +264,7 @@ extern unsigned int lc_put(struct lru_cache *lc, struct lc_element *e);
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extern void lc_committed(struct lru_cache *lc);
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extern void lc_committed(struct lru_cache *lc);
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struct seq_file;
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struct seq_file;
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extern size_t lc_seq_printf_stats(struct seq_file *seq, struct lru_cache *lc);
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extern void lc_seq_printf_stats(struct seq_file *seq, struct lru_cache *lc);
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extern void lc_seq_dump_details(struct seq_file *seq, struct lru_cache *lc, char *utext,
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extern void lc_seq_dump_details(struct seq_file *seq, struct lru_cache *lc, char *utext,
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void (*detail) (struct seq_file *, struct lc_element *));
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void (*detail) (struct seq_file *, struct lc_element *));
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@ -238,7 +238,7 @@ void lc_reset(struct lru_cache *lc)
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* @seq: the seq_file to print into
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* @seq: the seq_file to print into
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* @lc: the lru cache to print statistics of
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* @lc: the lru cache to print statistics of
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*/
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*/
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size_t lc_seq_printf_stats(struct seq_file *seq, struct lru_cache *lc)
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void lc_seq_printf_stats(struct seq_file *seq, struct lru_cache *lc)
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{
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{
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/* NOTE:
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/* NOTE:
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* total calls to lc_get are
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* total calls to lc_get are
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@ -250,8 +250,6 @@ size_t lc_seq_printf_stats(struct seq_file *seq, struct lru_cache *lc)
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seq_printf(seq, "\t%s: used:%u/%u hits:%lu misses:%lu starving:%lu locked:%lu changed:%lu\n",
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seq_printf(seq, "\t%s: used:%u/%u hits:%lu misses:%lu starving:%lu locked:%lu changed:%lu\n",
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lc->name, lc->used, lc->nr_elements,
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lc->name, lc->used, lc->nr_elements,
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lc->hits, lc->misses, lc->starving, lc->locked, lc->changed);
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lc->hits, lc->misses, lc->starving, lc->locked, lc->changed);
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return 0;
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}
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}
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static struct hlist_head *lc_hash_slot(struct lru_cache *lc, unsigned int enr)
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static struct hlist_head *lc_hash_slot(struct lru_cache *lc, unsigned int enr)
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