[PATCH] fs: use list_move()

This patch converts the combination of list_del(A) and list_add(A, B) to
list_move(A, B) under fs/.

Cc: Ian Kent <raven@themaw.net>
Acked-by: Joel Becker <joel.becker@oracle.com>
Cc: Neil Brown <neilb@cse.unsw.edu.au>
Cc: Hans Reiser <reiserfs-dev@namesys.com>
Cc: Urban Widmark <urban@teststation.com>
Acked-by: David Howells <dhowells@redhat.com>
Acked-by: Mark Fasheh <mark.fasheh@oracle.com>
Signed-off-by: Akinobu Mita <mita@miraclelinux.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/fs/afs/vnode.c b/fs/afs/vnode.c
index 9867fef..cf62da5 100644
--- a/fs/afs/vnode.c
+++ b/fs/afs/vnode.c
@@ -104,8 +104,7 @@
 					vnode->cb_expiry * HZ);
 
 		spin_lock(&afs_cb_hash_lock);
-		list_del(&vnode->cb_hash_link);
-		list_add_tail(&vnode->cb_hash_link,
+		list_move_tail(&vnode->cb_hash_link,
 			      &afs_cb_hash(server, &vnode->fid));
 		spin_unlock(&afs_cb_hash_lock);