linux-kernel - [PATCH 11/19] lru_cache: Converted lc_seq_printf

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Message-Id: <1438693003-17554-12-git-send-email-philipp.reisner@linbit.com>
Date:	Tue,  4 Aug 2015 14:56:35 +0200
From:	Philipp Reisner <philipp.reisner@...bit.com>
To:	linux-kernel@...r.kernel.org, Jens Axboe <axboe@...nel.dk>
Cc:	drbd-dev@...ts.linbit.com
Subject: [PATCH 11/19] lru_cache: Converted lc_seq_printf_status to return void

From: Roland Kammerer <roland.kammerer@...bit.com>

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@...bit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@...bit.com>
---
 include/linux/lru_cache.h | 2 +-
 lib/lru_cache.c           | 4 +---
 2 files changed, 2 insertions(+), 4 deletions(-)

diff --git a/include/linux/lru_cache.h b/include/linux/lru_cache.h
index 4626228..04fc6e6 100644
--- a/include/linux/lru_cache.h
+++ b/include/linux/lru_cache.h
@@ -264,7 +264,7 @@ extern unsigned int lc_put(struct lru_cache *lc, struct lc_element *e);
 extern void lc_committed(struct lru_cache *lc);
 
 struct seq_file;
-extern size_t lc_seq_printf_stats(struct seq_file *seq, struct lru_cache *lc);
+extern void lc_seq_printf_stats(struct seq_file *seq, struct lru_cache *lc);
 
 extern void lc_seq_dump_details(struct seq_file *seq, struct lru_cache *lc, char *utext,
 				void (*detail) (struct seq_file *, struct lc_element *));
diff --git a/lib/lru_cache.c b/lib/lru_cache.c
index 028f5d9..28ba40b 100644
--- a/lib/lru_cache.c
+++ b/lib/lru_cache.c
@@ -238,7 +238,7 @@ void lc_reset(struct lru_cache *lc)
  * @seq: the seq_file to print into
  * @lc: the lru cache to print statistics of
  */
-size_t lc_seq_printf_stats(struct seq_file *seq, struct lru_cache *lc)
+void lc_seq_printf_stats(struct seq_file *seq, struct lru_cache *lc)
 {
 	/* NOTE:
 	 * total calls to lc_get are
@@ -250,8 +250,6 @@ size_t lc_seq_printf_stats(struct seq_file *seq, struct lru_cache *lc)
 	seq_printf(seq, "\t%s: used:%u/%u hits:%lu misses:%lu starving:%lu locked:%lu changed:%lu\n",
 		   lc->name, lc->used, lc->nr_elements,
 		   lc->hits, lc->misses, lc->starving, lc->locked, lc->changed);
-
-	return 0;
 }
 
 static struct hlist_head *lc_hash_slot(struct lru_cache *lc, unsigned int enr)
-- 
1.9.1

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