linux-kernel - Re: [PATCH v2] f2fs: add support for an i

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <ZWjV9obu2mvBfXbk@casper.infradead.org>
Date:   Thu, 30 Nov 2023 18:35:34 +0000
From:   Matthew Wilcox <willy@...radead.org>
To:     Yangtao Li <frank.li@...o.com>
Cc:     Jaegeuk Kim <jaegeuk@...nel.org>, Chao Yu <chao@...nel.org>,
        Jonathan Corbet <corbet@....net>,
        Wenbo Hong <wenbo.hong@...o.com>,
        linux-f2fs-devel@...ts.sourceforge.net, linux-doc@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] f2fs: add support for an i_version counter

On Thu, Nov 30, 2023 at 02:04:09AM -0700, Yangtao Li wrote:
> NFSv4 mandates a change attribute to avoid problems with timestamp
> granularity, which Linux implements using the i_version counter. This is
> particularly important when the underlying filesystem is fast.
> 
> BTW introduce a new mount option to enable the iversion functionality,
> and disabling it by default.

Why do you want to replicate the mistake made in ext4 and undone by
commit 1ff20307393e ?