[patch 043/128] f2fs: use attach/detach_page_private

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From: Guoqing Jiang <guoqing.jiang@xxxxxxxxxxxxxxx>
Subject: f2fs: use attach/detach_page_private

Since the new pair function is introduced, we can call them to clean the
code in f2fs.h.

Link: http://lkml.kernel.org/r/20200517214718.468-6-guoqing.jiang@xxxxxxxxxxxxxxx
Signed-off-by: Guoqing Jiang <guoqing.jiang@xxxxxxxxxxxxxxx>
Acked-by: Chao Yu <yuchao0@xxxxxxxxxx>
Cc: Jaegeuk Kim <jaegeuk@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---

 fs/f2fs/f2fs.h |   11 ++---------
 1 file changed, 2 insertions(+), 9 deletions(-)

--- a/fs/f2fs/f2fs.h~f2fs-use-attach-detach_page_private
+++ a/fs/f2fs/f2fs.h
@@ -3051,19 +3051,12 @@ static inline void f2fs_set_page_private
 	if (PagePrivate(page))
 		return;
 
-	get_page(page);
-	SetPagePrivate(page);
-	set_page_private(page, data);
+	attach_page_private(page, (void *)data);
 }
 
 static inline void f2fs_clear_page_private(struct page *page)
 {
-	if (!PagePrivate(page))
-		return;
-
-	set_page_private(page, 0);
-	ClearPagePrivate(page);
-	f2fs_put_page(page, 0);
+	detach_page_private(page);
 }
 
 /*
_



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