linux-kernel - [PATCH] f2fs: avoid duplicate call of mark_inode

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Date:   Sat,  4 Dec 2021 11:01:58 -0800
From:   Jaegeuk Kim <jaegeuk@...nel.org>
To:     linux-kernel@...r.kernel.org,
        linux-f2fs-devel@...ts.sourceforge.net
Cc:     Jaegeuk Kim <jaegeuk@...nel.org>
Subject: [PATCH] f2fs: avoid duplicate call of mark_inode_dirty

Let's check the condition first before set|clear bit.

Signed-off-by: Jaegeuk Kim <jaegeuk@...nel.org>
---
 fs/f2fs/f2fs.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index ac6dda6c4c5a..cbc73bd71dad 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -3115,12 +3115,16 @@ static inline int is_file(struct inode *inode, int type)
 
 static inline void set_file(struct inode *inode, int type)
 {
+	if (is_file(inode, type))
+		return;
 	F2FS_I(inode)->i_advise |= type;
 	f2fs_mark_inode_dirty_sync(inode, true);
 }
 
 static inline void clear_file(struct inode *inode, int type)
 {
+	if (!is_file(inode, type))
+		return;
 	F2FS_I(inode)->i_advise &= ~type;
 	f2fs_mark_inode_dirty_sync(inode, true);
 }
-- 
2.34.1.400.ga245620fadb-goog