linux-kernel - Re: [PATCH v7 0/9] fs: clean up handling of i

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Date:   Wed, 19 Oct 2022 13:13:15 +0200
From:   Christian Brauner <brauner@...nel.org>
To:     Jeff Layton <jlayton@...nel.org>
Cc:     tytso@....edu, adilger.kernel@...ger.ca, djwong@...nel.org,
        david@...morbit.com, trondmy@...merspace.com, neilb@...e.de,
        viro@...iv.linux.org.uk, zohar@...ux.ibm.com, xiubli@...hat.com,
        chuck.lever@...cle.com, lczerner@...hat.com, jack@...e.cz,
        bfields@...ldses.org, fweimer@...hat.com,
        linux-btrfs@...r.kernel.org, linux-fsdevel@...r.kernel.org,
        linux-kernel@...r.kernel.org, ceph-devel@...r.kernel.org,
        linux-ext4@...r.kernel.org, linux-nfs@...r.kernel.org,
        linux-xfs@...r.kernel.org
Subject: Re: [PATCH v7 0/9] fs: clean up handling of i_version counter

On Mon, Oct 17, 2022 at 06:57:00AM -0400, Jeff Layton wrote:
> This patchset is intended to clean up the handling of the i_version
> counter by nfsd. Most of the changes are to internal interfaces.
> 
> This set is not intended to address crash resilience, or the fact that
> the counter is bumped before a change and not after. I intend to tackle
> those in follow-on patchsets.
> 
> My intention is to get this series included into linux-next soon, with
> an eye toward merging most of it during the v6.2 merge window. The last
> patch in the series is probably not suitable for merge as-is, at least
> until we sort out the semantics we want to present to userland for it.

Over the course of the series I struggled a bit - and sorry for losing
focus - with what i_version is supposed to represent for userspace. So I
would support not exposing it to userspace before that. But that
shouldn't affect your other changes iiuc.