linux-kernel - [PATCH] ovl: use rb

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Message-Id: <5d780509406819c42d134325f79d615f5ec3f693.1482159346.git.geliangtang@gmail.com>
Date:   Mon, 19 Dec 2016 22:56:43 +0800
From:   Geliang Tang <geliangtang@...il.com>
To:     Miklos Szeredi <miklos@...redi.hu>
Cc:     Geliang Tang <geliangtang@...il.com>,
        linux-unionfs@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] ovl: use rb_entry()

To make the code clearer, use rb_entry() instead of container_of() to
deal with rbtree.

Signed-off-by: Geliang Tang <geliangtang@...il.com>
---
 fs/overlayfs/readdir.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/overlayfs/readdir.c b/fs/overlayfs/readdir.c
index f241b4e..401bdc4 100644
--- a/fs/overlayfs/readdir.c
+++ b/fs/overlayfs/readdir.c
@@ -58,7 +58,7 @@ struct ovl_dir_file {
 
 static struct ovl_cache_entry *ovl_cache_entry_from_node(struct rb_node *n)
 {
-	return container_of(n, struct ovl_cache_entry, node);
+	return rb_entry(n, struct ovl_cache_entry, node);
 }
 
 static struct ovl_cache_entry *ovl_cache_entry_find(struct rb_root *root,
-- 
2.9.3