From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 350E5C4360C for ; Thu, 3 Oct 2019 01:43:41 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id F2DCD222C2 for ; Thu, 3 Oct 2019 01:43:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1570067021; bh=rotuVr8T+0nH2VJEluJRScYkA/ofar/x0CByUKr1zYg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=lsXar9+cDZEW4PINgPh2XJK8+q6fIjwf76AlOsYt1PdmnHO0azmHlb9hvF/npBpPW xWzPjrD28bHnYWjkNZkqqfIQbfjukpfxvKuSqpkEzFMrbOpOfJZXgWzX3/dHprtQsW 3xnu7VCuCNdIpKhbivZ8iFY0vHEi6y8vS0GbdLHI= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728061AbfJCBnd (ORCPT ); Wed, 2 Oct 2019 21:43:33 -0400 Received: from mail.kernel.org ([198.145.29.99]:46392 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727287AbfJCBnN (ORCPT ); Wed, 2 Oct 2019 21:43:13 -0400 Received: from paulmck-ThinkPad-P72.home (50-39-105-78.bvtn.or.frontiernet.net [50.39.105.78]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 47DF7222C5; Thu, 3 Oct 2019 01:43:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1570066993; bh=rotuVr8T+0nH2VJEluJRScYkA/ofar/x0CByUKr1zYg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=i0cSwzfgP4CdMi/Y04TcV13gJxLnhpwf96lljXXzc+5CjBH7f9cAgNQT+k+ML4pHH aEWpcJpq4jIKKa+A23ysWzFqZQngIebEkAr4uoes9A0gR+mbHYPbwJzXvYiKl2hgkO WMRSf9mxzPQRWWUzzJMduqVSWhFFg4FqVf2+CdDU= From: paulmck@kernel.org To: rcu@vger.kernel.org Cc: linux-kernel@vger.kernel.org, mingo@kernel.org, jiangshanlai@gmail.com, dipankar@in.ibm.com, akpm@linux-foundation.org, mathieu.desnoyers@efficios.com, josh@joshtriplett.org, tglx@linutronix.de, peterz@infradead.org, rostedt@goodmis.org, dhowells@redhat.com, edumazet@google.com, fweisbec@gmail.com, oleg@redhat.com, joel@joelfernandes.org, "Paul E. McKenney" , linux-afs@lists.infradead.org Subject: [PATCH tip/core/rcu 5/9] fs/afs: Replace rcu_swap_protected() with rcu_replace() Date: Wed, 2 Oct 2019 18:43:06 -0700 Message-Id: <20191003014310.13262-5-paulmck@kernel.org> X-Mailer: git-send-email 2.9.5 In-Reply-To: <20191003014153.GA13156@paulmck-ThinkPad-P72> References: <20191003014153.GA13156@paulmck-ThinkPad-P72> Sender: rcu-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: rcu@vger.kernel.org From: "Paul E. McKenney" This commit replaces the use of rcu_swap_protected() with the more intuitively appealing rcu_replace() as a step towards removing rcu_swap_protected(). Link: https://lore.kernel.org/lkml/CAHk-=wiAsJLw1egFEE=Z7-GGtM6wcvtyytXZA1+BHqta4gg6Hw@mail.gmail.com/ Reported-by: Linus Torvalds Signed-off-by: Paul E. McKenney Cc: David Howells Cc: Cc: --- fs/afs/vl_list.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/fs/afs/vl_list.c b/fs/afs/vl_list.c index 21eb0c0..e594598 100644 --- a/fs/afs/vl_list.c +++ b/fs/afs/vl_list.c @@ -279,8 +279,8 @@ struct afs_vlserver_list *afs_extract_vlserver_list(struct afs_cell *cell, struct afs_addr_list *old = addrs; write_lock(&server->lock); - rcu_swap_protected(server->addresses, old, - lockdep_is_held(&server->lock)); + old = rcu_replace(server->addresses, old, + lockdep_is_held(&server->lock)); write_unlock(&server->lock); afs_put_addrlist(old); } -- 2.9.5