[Samba] Enable XAT_OFFLINE extended attribute in Samba

[Jeremy Allison]

On Mon, Mar 04, 2019 at 06:39:21PM +0000, Rowland Penny wrote:
> On Mon, 4 Mar 2019 10:25:59 -0800
> Jeremy Allison via samba <samba at lists.samba.org> wrote:
> 
> > On Mon, Mar 04, 2019 at 04:48:56PM +0100, Andrea Cucciarre' via samba
> > wrote:
> > > Hello,
> > > 
> > > Does Samba support XAT_OFFLINE and XAT_ONLINE extended attribute?
> > > I have enabled "ea support = yes" but it seems to have no effect on
> > > that.
> > 
> > Googling for XAT_OFFLINE or XAT_ONLINE doesn't return anything.
> 
> Yeh, my Googlefu is better than somebody who works for Google ;-)

Oh the shame, the shame :-). Having said that I am at
a conference and really should be paying attention to the
lectures :-).

> It seems to be something to do with ZFS on illumos:
> 
> https://github.com/openzfs/openzfs/blob/master/usr/src/uts/common/fs/xattr.c

Thnaks Rowland, I'll take a look !