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 Received: from lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 7D709EB64DC for ; Sat, 1 Jul 2023 03:28:22 +0000 (UTC) Authentication-Results: lists.ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; secure) header.d=infradead.org header.i=@infradead.org header.a=rsa-sha256 header.s=bombadil.20210309 header.b=MDK5OMbW; dkim-atps=neutral Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4QtHhN6jpnz3c2G for ; Sat, 1 Jul 2023 13:28:20 +1000 (AEST) Authentication-Results: lists.ozlabs.org; spf=none (no SPF record) smtp.mailfrom=infradead.org (client-ip=2607:7c80:54:3::133; helo=bombadil.infradead.org; envelope-from=mcgrof@infradead.org; receiver=lists.ozlabs.org) Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:3::133]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4Qt8m93JNnz2ygr; Sat, 1 Jul 2023 08:16:06 +1000 (AEST) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=Sender:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=lAGAJ28n1AlcMoZYeCm9uRz7rvcCocSlQtZJp9kS4hM=; b=MDK5OMbWDIQ7k5BUsVfTTCeUKK ykHg2ksytfiKty5DqeoojsJgI19pnpO3bU4G0Nu4GjG2hEs2ZxnYXR7D6/oVlp5Pe2D5JneqmFcdb aqUSSmtLLmtBD1hqWecPq0g6kKIyzG4SS3mQ1IFdkZFT8q1yIbLznGNVCRFkmuvgVZewrQL+j94VD WaM6JFD5ZLKSStA4y0A2mjB/5tQW5fCKp810bYosB6+mCMAVZBJndIY7cGkKy5/JBuK2Tl+F43Ugr 599NI5n1vZXoqkj6Re0aIa5xI5fj+j2Mg09LQQtRQAZLHqXoNHWcWfm/2CAipcBnuw9FG3zZ4Gpbp XVBvS0Ww==; Received: from mcgrof by bombadil.infradead.org with local (Exim 4.96 #2 (Red Hat Linux)) id 1qFMM7-004egi-0d; Fri, 30 Jun 2023 22:12:43 +0000 Date: Fri, 30 Jun 2023 15:12:43 -0700 From: Luis Chamberlain To: Jeff Layton Subject: Re: [PATCH 01/79] fs: add ctime accessors infrastructure Message-ID: References: <20230621144507.55591-1-jlayton@kernel.org> <20230621144507.55591-2-jlayton@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20230621144507.55591-2-jlayton@kernel.org> X-Mailman-Approved-At: Sat, 01 Jul 2023 13:27:30 +1000 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Latchesar Ionkov , "Rafael J. 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Hallyn" , Zhihao Cheng , Jens Axboe , Zeng Jingxiang , Kees Cook , Arnd Bergmann , autofs@vger.kernel.org, Steven Rostedt , Yifei Liu , Damien Le Moal , Eric Paris , ceph-devel@vger.kernel.org, Gao Xiang , Jiangshan Yi , David Howells , linux-nfs@vger.kernel.org, linux-ext4@vger.kernel.org, Song Liu , samba-technical@lists.samba.org, Steve French , Jeremy Kerr , netdev@vger.kernel.org, Bob Peterson , linux-fsdevel@vger.kernel.org, bpf@vger.kernel.org, ntfs3@lists.linux.dev, linux-erofs@lists.ozlabs.org, "David S. Miller" , ocfs2-devel@oss.oracle.com, jfs-discussion@lists.sourceforge.net, Dominique Martinet , Christian Schoenebeck , Bob Copeland , KP Singh , Oleg Kanatov , Konstantin Komarov , Joseph Qi , Yuta Hayama , Andreas Dilger , Mikulas Patocka , Zhengchao Shao , Chen Zhongjin , Ard Biesheuvel , Anton Ivanov , Laurent Pinc hart , Andreas Gruenbacher , Richard Weinberger , Mark Fasheh , Stefan Roesch , cluster-devel@redhat.com, Jason Gunthorpe , Jakub Kicinski , Rik van Riel , Salah Triki , Evgeniy Dushistov , linux-cifs@vger.kernel.org, Heiko Carstens , Chao Yu , apparmor@lists.ubuntu.com, Josef Bacik , "Liam R. Howlett" , Tom Talpey , Hans de Goede , "Tigran A. Aivazian" , Dave Chinner , David Sterba , Xiubo Li , Ryusuke Konishi , Juergen Gross , Johannes Thumshirn , Ritu Agarwal , Luis de Bethencourt , Martin KaFai Lau , v9fs@lists.linux.dev, "Fabio M. De Francesco" , linux-unionfs@vger.kernel.org, Ruihan Li , linux-security-module@vger.kernel.org, Erez Zadok , Jeffle Xu , "Dr. David Alan Gilbert" , Johannes Weiner , Phillip Lougher , Johannes Berg , Sungjong Seo , David Woodhouse , linux-karma-devel@lists.sourceforge.net, linux-btrfs@vger.kernel.org, Joel Becker Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" On Wed, Jun 21, 2023 at 10:45:06AM -0400, Jeff Layton wrote: > struct timespec64 has unused bits in the tv_nsec field that can be used > for other purposes. In future patches, we're going to change how the > inode->i_ctime is accessed in certain inodes in order to make use of > them. In order to do that safely though, we'll need to eradicate raw > accesses of the inode->i_ctime field from the kernel. > > Add new accessor functions for the ctime that we can use to replace them. > > Signed-off-by: Jeff Layton Reviewed-by: Luis Chamberlain Luis