From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <linux-xfs-owner@kernel.org>
X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on
	aws-us-west-2-korg-lkml-1.web.codeaurora.org
Received: from vger.kernel.org (vger.kernel.org [23.128.96.18])
	by smtp.lore.kernel.org (Postfix) with ESMTP id 0E752C6FA8B
	for <linux-xfs@archiver.kernel.org>; Thu,  8 Sep 2022 18:22:59 +0000 (UTC)
Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand
        id S231982AbiIHSW5 (ORCPT <rfc822;linux-xfs@archiver.kernel.org>);
        Thu, 8 Sep 2022 14:22:57 -0400
Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60636 "EHLO
        lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org
        with ESMTP id S231908AbiIHSWy (ORCPT
        <rfc822;linux-xfs@vger.kernel.org>); Thu, 8 Sep 2022 14:22:54 -0400
Received: from fieldses.org (fieldses.org [IPv6:2600:3c00:e000:2f7::1])
        by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 398B7F10D8;
        Thu,  8 Sep 2022 11:22:53 -0700 (PDT)
Received: by fieldses.org (Postfix, from userid 2815)
        id 1456B607F; Thu,  8 Sep 2022 14:22:52 -0400 (EDT)
DKIM-Filter: OpenDKIM Filter v2.11.0 fieldses.org 1456B607F
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=fieldses.org;
        s=default; t=1662661372;
        bh=tcd0OCSNWv9F8gta/KRyPIJslgaIHLsZ5kto0SVYY+4=;
        h=Date:To:Cc:Subject:References:In-Reply-To:From:From;
        b=HI44ybOnJ4MmTizmstLbVBDNQo1/h12dSOxeF8h+ha7rnqXA24yHaqpYRO6/6Hnya
         5/VbgN7+3aX3DCaLHNJpEGw5OlCtoQl/R/3xNY9yB9tnSZ5CFzktzK3u1Kg4S7agy9
         6c1ct0ywl/Do7Vh2ie5K8s71iwxNKgOwr870V9E8=
Date:   Thu, 8 Sep 2022 14:22:52 -0400
To:     Jeff Layton <jlayton@kernel.org>
Cc:     Theodore Ts'o <tytso@mit.edu>, Jan Kara <jack@suse.cz>,
        NeilBrown <neilb@suse.de>, adilger.kernel@dilger.ca,
        djwong@kernel.org, david@fromorbit.com, trondmy@hammerspace.com,
        viro@zeniv.linux.org.uk, zohar@linux.ibm.com, xiubli@redhat.com,
        chuck.lever@oracle.com, lczerner@redhat.com, brauner@kernel.org,
        fweimer@redhat.com, linux-man@vger.kernel.org,
        linux-api@vger.kernel.org, linux-btrfs@vger.kernel.org,
        linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org,
        ceph-devel@vger.kernel.org, linux-ext4@vger.kernel.org,
        linux-nfs@vger.kernel.org, linux-xfs@vger.kernel.org
Subject: Re: [man-pages RFC PATCH v4] statx, inode: document the new
 STATX_INO_VERSION field
Message-ID: <20220908182252.GA18939@fieldses.org>
References: <79aaf122743a295ddab9525d9847ac767a3942aa.camel@kernel.org>
 <20220907125211.GB17729@fieldses.org>
 <771650a814ab1ff4dc5473d679936b747d9b6cf5.camel@kernel.org>
 <20220907135153.qvgibskeuz427abw@quack3>
 <166259786233.30452.5417306132987966849@noble.neil.brown.name>
 <20220908083326.3xsanzk7hy3ff4qs@quack3>
 <YxoIjV50xXKiLdL9@mit.edu>
 <02928a8c5718590bea5739b13d6b6ebe66cac577.camel@kernel.org>
 <20220908155605.GD8951@fieldses.org>
 <9e06c506fd6b3e3118da0ec24276e85ea3ee45a1.camel@kernel.org>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <9e06c506fd6b3e3118da0ec24276e85ea3ee45a1.camel@kernel.org>
User-Agent: Mutt/1.5.21 (2010-09-15)
From:   bfields@fieldses.org (J. Bruce Fields)
Precedence: bulk
List-ID: <linux-xfs.vger.kernel.org>
X-Mailing-List: linux-xfs@vger.kernel.org

On Thu, Sep 08, 2022 at 01:40:11PM -0400, Jeff Layton wrote:
> Yeah, ok. That does make some sense. So we would mix this into the
> i_version instead of the ctime when it was available. Preferably, we'd
> mix that in when we store the i_version rather than adding it afterward.
> 
> Ted, how would we access this? Maybe we could just add a new (generic)
> super_block field for this that ext4 (and other filesystems) could
> populate at mount time?

Couldn't the filesystem just return an ino_version that already includes
it?

--b.