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From:   Andreas Gruenbacher <agruenba@redhat.com>
Date:   Thu, 2 May 2019 19:44:07 +0200
Message-ID: <CAHc6FU4czPQ8xxv5efvhkizU3obpV_05VEWYKydXDDDYcp8j=w@mail.gmail.com>
Subject: Re: [PATCH] overlayfs: ignore empty NFSv4 ACLs in ext4 upperdir
To:     "Goetz, Patrick G" <pgoetz@math.utexas.edu>
Cc:     NeilBrown <neilb@suse.com>, Amir Goldstein <amir73il@gmail.com>,
        "J. Bruce Fields" <bfields@fieldses.org>,
        Miklos Szeredi <miklos@szeredi.hu>,
        =?UTF-8?Q?Andreas_Gr=C3=BCnbacher?= <andreas.gruenbacher@gmail.com>,
        Patrick Plagwitz <Patrick_Plagwitz@web.de>,
        "linux-unionfs@vger.kernel.org" <linux-unionfs@vger.kernel.org>,
        Linux NFS list <linux-nfs@vger.kernel.org>,
        Linux FS-devel Mailing List <linux-fsdevel@vger.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
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On Thu, 2 May 2019 at 19:27, Goetz, Patrick G <pgoetz@math.utexas.edu> wrote:
> On 5/1/19 10:57 PM, NeilBrown wrote:
> > Support some day support for nfs4 acls were added to ext4 (not a totally
> > ridiculous suggestion).  We would then want NFS to allow it's ACLs to be
> > copied up.
>
> Is there some reason why there hasn't been a greater effort to add NFSv4
> ACL support to the mainstream linux filesystems?  I have to support a
> hybrid linux/windows environment and not having these ACLs on ext4 is a
> daily headache for me.

The patches for implementing that have been rejected over and over
again, and nobody is working on them anymore.

Andreas