From patchwork Fri Aug 20 13:57:05 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jeff Layton X-Patchwork-Id: 12449247 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=-14.7 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI, 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 4CEB7C432BE for ; Fri, 20 Aug 2021 13:57:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 336036113D for ; Fri, 20 Aug 2021 13:57:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238316AbhHTN5s (ORCPT ); Fri, 20 Aug 2021 09:57:48 -0400 Received: from mail.kernel.org ([198.145.29.99]:60696 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231854AbhHTN5s (ORCPT ); Fri, 20 Aug 2021 09:57:48 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id C8368610E6; Fri, 20 Aug 2021 13:57:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1629467830; bh=8MnTVdYClbddCsTsLNbTMsCRF2Gxk95s2pj8wLFwQd0=; h=From:To:Cc:Subject:Date:From; b=t2HxBUM9QOrlPdcAaWYWdwKfXD7QFuBmZx3OUE5KT2Y1RrRgrlG401SCGys5CG8Fc +lcVOwSK0F1uRH0K8QJLDIwYW3EmP2b4Ceco7wMOADwIq3h+lqnTB1niclYqvdm+d7 2enkha2NLg5vfDHEe2r8OXXRW79B3laihEfbtfBlVEsjUkdLaKnZVY3+uH2dh+qDQt utX2JoYLcmwYrQrNOrxt/rOswI8UjaFYpiDcbSrgc9rnqPDeyRgQkinXLuc7PBcbGt 6iedGwdHK4/mUMLaWC3veuKd1igYYNJE82n3G60q/Ne/nfjplocJEfqwkX2HW7hZLL IPdEki8PItNtQ== From: Jeff Layton To: torvalds@linux-foundation.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org Cc: ebiederm@xmission.com, david@redhat.com, willy@infradead.org, linux-nfs@vger.kernel.org, viro@zeniv.linux.org.uk, linux-doc@vger.kernel.org, v9fs-developer@lists.sourceforge.net, linux-afs@lists.infradead.org, cluster-devel@redhat.com, ocfs2-devel@oss.oracle.com, linux-mm@kvack.org, akpm@linux-foundation.org, luto@kernel.org, bfields@fieldses.org, w@1wt.eu, rostedt@goodmis.org Subject: [PATCH v2 0/2] fs: remove support for mandatory locking Date: Fri, 20 Aug 2021 09:57:05 -0400 Message-Id: <20210820135707.171001-1-jlayton@kernel.org> X-Mailer: git-send-email 2.31.1 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-nfs@vger.kernel.org The first patch in this series adds a new warning that should pop on kernels have mandatory locking enabled when someone mounts a filesystem with -o mand. The second patch removes support for mandatory locking altogether. What I think we probably want to do is apply the first to v5.14 before it ships and allow the new warning to trickle out into stable kernels. Then we can merge the second patch in v5.15 to go ahead and remove it. Sound like a plan? Jeff Layton (2): fs: warn about impending deprecation of mandatory locks fs: remove mandatory file locking support .../filesystems/mandatory-locking.rst | 188 ------------------ fs/9p/vfs_file.c | 12 -- fs/Kconfig | 10 - fs/afs/flock.c | 4 - fs/ceph/locks.c | 3 - fs/gfs2/file.c | 3 - fs/locks.c | 116 +---------- fs/namei.c | 4 +- fs/namespace.c | 31 +-- fs/nfs/file.c | 4 - fs/nfsd/nfs4state.c | 13 -- fs/nfsd/vfs.c | 15 -- fs/ocfs2/locks.c | 4 - fs/open.c | 8 +- fs/read_write.c | 7 - fs/remap_range.c | 10 - include/linux/fs.h | 84 -------- mm/mmap.c | 6 - mm/nommu.c | 3 - 19 files changed, 20 insertions(+), 505 deletions(-) delete mode 100644 Documentation/filesystems/mandatory-locking.rst