From patchwork Wed Feb 17 15:12:33 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Trond Myklebust X-Patchwork-Id: 12091761 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=-19.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham 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 7BA9BC433E0 for ; Wed, 17 Feb 2021 15:17:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 50A7064E33 for ; Wed, 17 Feb 2021 15:17:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233632AbhBQPOl (ORCPT ); Wed, 17 Feb 2021 10:14:41 -0500 Received: from mail.kernel.org ([198.145.29.99]:49184 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233607AbhBQPNY (ORCPT ); Wed, 17 Feb 2021 10:13:24 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id ADA8864E2F; Wed, 17 Feb 2021 15:12:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1613574755; bh=mtTuNVskXk7QNy1XVyxM1ZIRXGU7Je6BMpoMwrx1RTM=; h=From:To:Cc:Subject:Date:From; b=DjCHo9hIoViSNzp3f8T/GUIiu52Oa+bnS1++tLkU1zhDbCR27QAU/K5GyrwMUawoT BhMEgRp10v2XdPoEZ29uZpaB9mPsmtxwnH2CdBzKfAlT6znUJuSt6Iu3n56dz7tzwg Cvtzkx5Y+ZnKnMvdauvMXExRMXrgNVj4cQcN0GaBHKxHVNoLCJgeOXpLA31fr1Qh9w Q88aGJMNAiW0LcDD9roHnX5wHUzqqBDIAf1x4itsDnOrNt2KyokbiNj7uV5pNQezaj dZylcNKutrtKnLTk3bdzBLuJjs3vjwMPvdOGv9SAHge8YpEtu2FXCZZkh10sDsC13z hkmnyi++3GeZA== From: trondmy@kernel.org To: Anna Schumaker Cc: linux-nfs@vger.kernel.org Subject: [PATCH] NFS: Support the '-owrite=' option in /proc/self/mounts and mountinfo Date: Wed, 17 Feb 2021 10:12:33 -0500 Message-Id: <20210217151233.366499-1-trondmy@kernel.org> X-Mailer: git-send-email 2.29.2 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-nfs@vger.kernel.org From: Trond Myklebust Signed-off-by: Trond Myklebust --- fs/nfs/super.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/fs/nfs/super.c b/fs/nfs/super.c index 4034102010f0..bd22c9338600 100644 --- a/fs/nfs/super.c +++ b/fs/nfs/super.c @@ -511,6 +511,13 @@ static void nfs_show_mount_options(struct seq_file *m, struct nfs_server *nfss, seq_puts(m, ",local_lock=flock"); else seq_puts(m, ",local_lock=posix"); + + if (nfss->flags & NFS_MOUNT_WRITE_EAGER) { + if (nfss->flags & NFS_MOUNT_WRITE_WAIT) + seq_puts(m, ",write=wait"); + else + seq_puts(m, ",write=eager"); + } } /*