From: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Date: Mon, 11 Mar 2013 16:10:50 +0000 (+0800)
Subject: vfs: use list_move instead of list_del/list_add
X-Git-Tag: firefly_0821_release~3680^2~580^2~4
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=9ed53b12a9a60f4d52228335e76cbbdf0c7e37fb;p=firefly-linux-kernel-4.4.55.git

vfs: use list_move instead of list_del/list_add

Using list_move() instead of list_del() + list_add().

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---

diff --git a/fs/dcache.c b/fs/dcache.c
index a161ebcab9d2..f09b9085f7d8 100644
--- a/fs/dcache.c
+++ b/fs/dcache.c
@@ -2397,8 +2397,7 @@ static void __d_materialise_dentry(struct dentry *dentry, struct dentry *anon)
 	dentry->d_parent = dentry;
 	list_del_init(&dentry->d_u.d_child);
 	anon->d_parent = dparent;
-	list_del(&anon->d_u.d_child);
-	list_add(&anon->d_u.d_child, &dparent->d_subdirs);
+	list_move(&anon->d_u.d_child, &dparent->d_subdirs);
 
 	write_seqcount_end(&dentry->d_seq);
 	write_seqcount_end(&anon->d_seq);