linux-kernel - [PATCH 09/13] frontswap: remove frontswap

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Message-Id: <20211224062246.1258487-10-hch@lst.de>
Date:   Fri, 24 Dec 2021 07:22:42 +0100
From:   Christoph Hellwig <hch@....de>
To:     Andrew Morton <akpm@...ux-foundation.org>,
        Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
Cc:     Hugh Dickins <hughd@...gle.com>,
        Seth Jennings <sjenning@...hat.com>,
        Dan Streetman <ddstreet@...e.org>,
        Vitaly Wool <vitaly.wool@...sulko.com>,
        Matthew Wilcox <willy@...radead.org>,
        linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org,
        linux-mm@...ck.org
Subject: [PATCH 09/13] frontswap: remove frontswap_test

frontswap_test is unused now, remove it.

Signed-off-by: Christoph Hellwig <hch@....de>
---
 include/linux/frontswap.h | 11 -----------
 mm/frontswap.c            |  2 +-
 2 files changed, 1 insertion(+), 12 deletions(-)

diff --git a/include/linux/frontswap.h b/include/linux/frontswap.h
index a9817d4fa74c1..c5b2848d22404 100644
--- a/include/linux/frontswap.h
+++ b/include/linux/frontswap.h
@@ -18,7 +18,6 @@ struct frontswap_ops {
 
 extern void frontswap_register_ops(struct frontswap_ops *ops);
 
-extern bool __frontswap_test(struct swap_info_struct *, pgoff_t);
 extern void frontswap_init(unsigned type, unsigned long *map);
 extern int __frontswap_store(struct page *page);
 extern int __frontswap_load(struct page *page);
@@ -33,11 +32,6 @@ static inline bool frontswap_enabled(void)
 	return static_branch_unlikely(&frontswap_enabled_key);
 }
 
-static inline bool frontswap_test(struct swap_info_struct *sis, pgoff_t offset)
-{
-	return __frontswap_test(sis, offset);
-}
-
 static inline void frontswap_map_set(struct swap_info_struct *p,
 				     unsigned long *map)
 {
@@ -56,11 +50,6 @@ static inline bool frontswap_enabled(void)
 	return false;
 }
 
-static inline bool frontswap_test(struct swap_info_struct *sis, pgoff_t offset)
-{
-	return false;
-}
-
 static inline void frontswap_map_set(struct swap_info_struct *p,
 				     unsigned long *map)
 {
diff --git a/mm/frontswap.c b/mm/frontswap.c
index 42d554da53bbb..f51159f0d75d5 100644
--- a/mm/frontswap.c
+++ b/mm/frontswap.c
@@ -179,7 +179,7 @@ void frontswap_init(unsigned type, unsigned long *map)
 		ops->init(type);
 }
 
-bool __frontswap_test(struct swap_info_struct *sis,
+static bool __frontswap_test(struct swap_info_struct *sis,
 				pgoff_t offset)
 {
 	if (sis->frontswap_map)
-- 
2.30.2