From patchwork Thu Feb 11 23:00:04 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Darrick J. Wong" X-Patchwork-Id: 12084343 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=-16.6 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 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 049A8C433E6 for ; Thu, 11 Feb 2021 23:01:00 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id CA0BE64E3D for ; Thu, 11 Feb 2021 23:00:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230159AbhBKXAt (ORCPT ); Thu, 11 Feb 2021 18:00:49 -0500 Received: from mail.kernel.org ([198.145.29.99]:46388 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230132AbhBKXAp (ORCPT ); Thu, 11 Feb 2021 18:00:45 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id C6E2464E42; Thu, 11 Feb 2021 23:00:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1613084404; bh=TV1mSUbbsX7PqotkP5J3piXutJZ5GX45hm6y3jEWHKI=; h=Subject:From:To:Cc:Date:In-Reply-To:References:From; b=llbiZn7m8RSHAsfzl0Vv1uV5Dwe5E+soqFpSFZOWRSseo+NkCSVn42YqjywTiCB9Q 4BtL6MGoSVgCcHTvRm2taxNtOkk1eiIWnkolD06aaNrUigigZzZtTa5mhK81haUiFU uOnXhzbA5VaIfVtpvSKgQ3Mll6ZIPFBLApJRoBH0+eRT6sWlWeAk2F4zL/ANEkyTG1 SBN7IR4oXrnyKTNwnUCAUZNBvN6v4CbCYJ46/eoDPXSwAMlp7zMxcn0xIiM6x0siGa 2A2xarzBzWcGVj/eq99XLonIOus8lxEmDA1HY5MVWKqWkPsqSEL1eh+5EANMovLwx+ UF9K21im40pFQ== Subject: [PATCH 11/11] man: mark all deprecated V4 format options From: "Darrick J. Wong" To: sandeen@sandeen.net, djwong@kernel.org Cc: linux-xfs@vger.kernel.org, bfoster@redhat.com Date: Thu, 11 Feb 2021 15:00:04 -0800 Message-ID: <161308440412.3850286.3647885169553854136.stgit@magnolia> In-Reply-To: <161308434132.3850286.13801623440532587184.stgit@magnolia> References: <161308434132.3850286.13801623440532587184.stgit@magnolia> User-Agent: StGit/0.19 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-xfs@vger.kernel.org From: Darrick J. Wong Update the manual pages for the most popular tools to note which options are only useful with the V4 XFS format, and that the V4 format is deprecated and will be removed no later than September 2030. Signed-off-by: Darrick J. Wong --- man/man8/mkfs.xfs.8 | 16 ++++++++++++++++ man/man8/xfs_admin.8 | 10 ++++++++++ 2 files changed, 26 insertions(+) diff --git a/man/man8/mkfs.xfs.8 b/man/man8/mkfs.xfs.8 index fac82d74..df25abaa 100644 --- a/man/man8/mkfs.xfs.8 +++ b/man/man8/mkfs.xfs.8 @@ -223,6 +223,11 @@ of calculating and checking the CRCs is not noticeable in normal operation. By default, .B mkfs.xfs will enable metadata CRCs. +.IP +Formatting a filesystem without CRCs selects the V4 format, which is deprecated +and will be removed from upstream in September 2030. +Distributors may choose to withdraw support for the V4 format earlier than +this date. .TP .BI finobt= value This option enables the use of a separate free inode btree index in each @@ -592,6 +597,8 @@ This option can be used to turn off inode alignment when the filesystem needs to be mountable by a version of IRIX that does not have the inode alignment feature (any release of IRIX before 6.2, and IRIX 6.2 without XFS patches). +.IP +This option only applies to the deprecated V4 format. .TP .BI attr= value This is used to specify the version of extended attribute inline @@ -602,6 +609,8 @@ between attribute and extent data. The previous version 1, which has fixed regions for attribute and extent data, is kept for backwards compatibility with kernels older than version 2.6.16. +.IP +This option only applies to the deprecated V4 format. .TP .BI projid32bit[= value ] This is used to enable 32bit quota project identifiers. The @@ -609,6 +618,8 @@ This is used to enable 32bit quota project identifiers. The is either 0 or 1, with 1 signifying that 32bit projid are to be enabled. If the value is omitted, 1 is assumed. (This default changed in release version 3.2.0.) +.IP +This option only applies to the deprecated V4 format. .TP .BI sparse[= value ] Enable sparse inode chunk allocation. The @@ -690,6 +701,7 @@ stripe-aligned log writes (see the sunit and su options, below). The previous version 1, which is limited to 32k log buffers and does not support stripe-aligned writes, is kept for backwards compatibility with very old 2.4 kernels. +This option only applies to the deprecated V4 format. .TP .BI sunit= value This specifies the alignment to be used for log writes. The @@ -744,6 +756,8 @@ is 1 (on) so you must specify .B lazy-count=0 if you want to disable this feature for older kernels which don't support it. +.IP +This option only applies to the deprecated V4 format. .RE .PP .PD 0 @@ -803,6 +817,8 @@ will be stored in the directory structure. The default value is 1. When CRCs are enabled (the default), the ftype functionality is always enabled, and cannot be turned off. .IP +This option only applies to the deprecated V4 format. +.IP .RE .TP .BI \-p " protofile" diff --git a/man/man8/xfs_admin.8 b/man/man8/xfs_admin.8 index 055a502a..be5c189f 100644 --- a/man/man8/xfs_admin.8 +++ b/man/man8/xfs_admin.8 @@ -56,6 +56,8 @@ for a detailed description of the XFS log. Enables unwritten extent support on a filesystem that does not already have this enabled (for legacy filesystems, it can't be disabled anymore at mkfs time). +.IP +This option only applies to the deprecated V4 format. .TP .B \-f Specifies that the filesystem image to be processed is stored in a @@ -69,12 +71,16 @@ option). .B \-j Enables version 2 log format (journal format supporting larger log buffers). +.IP +This option only applies to the deprecated V4 format. .TP .B \-l Print the current filesystem label. .TP .B \-p Enable 32bit project identifier support (PROJID32BIT feature). +.IP +This option only applies to the deprecated V4 format. .TP .B \-u Print the current filesystem UUID (Universally Unique IDentifier). @@ -85,6 +91,8 @@ Enable (1) or disable (0) lazy-counters in the filesystem. Lazy-counters may not be disabled on Version 5 superblock filesystems (i.e. those with metadata CRCs enabled). .IP +In other words, this option only applies to the deprecated V4 format. +.IP This operation may take quite a bit of time on large filesystems as the entire filesystem needs to be scanned when this option is changed. .IP @@ -94,6 +102,8 @@ information is kept in other parts of the filesystem to be able to maintain the counter values without needing to keep them in the superblock. This gives significant improvements in performance on some configurations and metadata intensive workloads. +.IP +This option only applies to the deprecated V4 format. .TP .BI \-L " label" Set the filesystem label to