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,URIBL_BLOCKED,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 6D365CA9EA0 for ; Tue, 22 Oct 2019 19:12:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 38332218AE for ; Tue, 22 Oct 2019 19:12:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1571771553; bh=c352t9a37W5iZ6QoYbS1JdFxmkNCiGi48vP+/8QJvW4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=D0hmmFFqZsWWx3hlNX3LRP3pIOhLhZzzGMukqQrUsjM6UV1m2lFJfpKz5r3wQHlB9 yePs9KNgZ5HtgvkA2PSoHsWlnJu5D4eBhnLeBG1D/9CpAA7WpXV7m8eXzr2q0UwsvF eUyVf8zEpHGhzUtI8NmqUbRjrQZJkb+Ikd3M04qA= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1733004AbfJVTMc (ORCPT ); Tue, 22 Oct 2019 15:12:32 -0400 Received: from mail.kernel.org ([198.145.29.99]:43538 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732903AbfJVTM3 (ORCPT ); Tue, 22 Oct 2019 15:12:29 -0400 Received: from localhost.localdomain (rrcs-50-75-166-42.nys.biz.rr.com [50.75.166.42]) (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 E1A4521D81; Tue, 22 Oct 2019 19:12:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1571771548; bh=c352t9a37W5iZ6QoYbS1JdFxmkNCiGi48vP+/8QJvW4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ietizg4mUds30r5O4A4J+Bp5G/ZLJ5XbMtd5So8K55enMBKbNOcUbvqKS9Wm7AqeZ nq1d2JW4rk9RdrqiB7AoaNsv4o26kshE0NqC+GcPcOfsp6Hg2oq042xGZJ7Od+fJcT qkSF05XSStsT+H5BHnc4OcVoBm5L3+4eCM7DhPKA= 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 05/10] fs/afs: Replace rcu_swap_protected() with rcu_replace() Date: Tue, 22 Oct 2019 12:12:10 -0700 Message-Id: <20191022191215.25781-5-paulmck@kernel.org> X-Mailer: git-send-email 2.9.5 In-Reply-To: <20191022191136.GA25627@paulmck-ThinkPad-P72> References: <20191022191136.GA25627@paulmck-ThinkPad-P72> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@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 [ paulmck: From rcu_replace() to rcu_replace_pointer() per Ingo Molnar. ] Signed-off-by: Paul E. McKenney Acked-by: 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..8fea54e 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_pointer(server->addresses, old, + lockdep_is_held(&server->lock)); write_unlock(&server->lock); afs_put_addrlist(old); } -- 2.9.5