f2fs: use attach/detach_page_private

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

Signed-off-by: Guoqing Jiang <guoqing.jiang@cloud.ionos.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Chao Yu <yuchao0@huawei.com>
Cc: Jaegeuk Kim <jaegeuk@kernel.org>
Link: http://lkml.kernel.org/r/20200517214718.468-6-guoqing.jiang@cloud.ionos.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index b5a5da74c0133ce095f349cbd5aefb18c4ec6514..5c0149d2f46a4fec579eb2373a59432eddbfb758 100644 (file)
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -3051,19 +3051,12 @@ static inline void f2fs_set_page_private(struct page *page,
        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);
 }
 
 /*