From bd9cd521496ba8d537d8f46f4167bf4221aba9a3 Mon Sep 17 00:00:00 2001
From: Christoph Hellwig <hch@lst.de>
Date: Fri, 21 Jan 2022 22:15:01 -0800
Subject: [PATCH] frontswap: remove frontswap_test

frontswap_test is unused now, remove it.

Link: https://lkml.kernel.org/r/20211224062246.1258487-10-hch@lst.de
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Juergen Gross <jgross@suse.com>
Cc: Dan Streetman <ddstreet@ieee.org>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Hugh Dickins <hughd@google.com>
Cc: Konrad Rzeszutek Wilk <Konrad.wilk@oracle.com>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Seth Jennings <sjenning@redhat.com>
Cc: Vitaly Wool <vitaly.wool@konsulko.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 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 a9817d4..c5b2848d 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 42d554d..f51159f 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)
-- 
2.7.4