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From: Anonymous <swell.k@gmail.com>
To: Edward Tomasz Napierala <trasz@FreeBSD.org>
References: <201101191711.p0JHBqCS083253__17104.8711440109$1295457129$gmane$org@svn.freebsd.org>
Date: Tue, 01 Feb 2011 21:40:08 +0300
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Cc: svn-src-head@freebsd.org, svn-src-all@freebsd.org,
	src-committers@freebsd.org
Subject: Re: svn commit: r217588 -
	head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs
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Edward Tomasz Napierala <trasz@FreeBSD.org> writes:

> Author: trasz
> Date: Wed Jan 19 17:11:52 2011
> New Revision: 217588
> URL: http://svn.freebsd.org/changeset/base/217588
>
> Log:
>   Add MNT_NFS4ACLS to ZFS mount flags.  It's not conditional, since there
>   is no way to disable NFSv4 ACLs in ZFS.  This should make it easier
>   for the NFS server to figure out whether the exported filesystem supports
>   ACLs or not.

Does it work with MNT_UPDATE? I guess rc.d/root resets "nfsv4acls" on
root mount

  $ mount
  tank on / (zfs, local, nfsv4acls)
  $ mount -uw /
  $ mount
  tank on / (zfs, local)

It's on ZFS v28, I can't test on v15 atm.