linux-kernel - [PATCH 2/2] vfs: clean up d_backing

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Date:   Wed, 19 Apr 2023 07:27:36 +0000
From:   Haifeng Xu <haifeng.xu@...pee.com>
To:     viro@...iv.linux.org.uk
Cc:     bigeasy@...utronix.de, mcgrof@...nel.org, mszeredi@...hat.com,
        xiubli@...hat.com, linux-kernel@...r.kernel.org,
        Haifeng Xu <haifeng.xu@...pee.com>
Subject: [PATCH 2/2] vfs: clean up d_backing_inode() function

Using an extra variable to record the inode is unnecessary, return it
directly.

Signed-off-by: Haifeng Xu <haifeng.xu@...pee.com>
---
 include/linux/dcache.h | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/include/linux/dcache.h b/include/linux/dcache.h
index 13023c7211d6..97324b6434e5 100644
--- a/include/linux/dcache.h
+++ b/include/linux/dcache.h
@@ -540,9 +540,7 @@ static inline struct inode *d_inode_rcu(const struct dentry *dentry)
  */
 static inline struct inode *d_backing_inode(const struct dentry *upper)
 {
-	struct inode *inode = upper->d_inode;
-
-	return inode;
+	return upper->d_inode;
 }
 
 /**
-- 
2.25.1