ZFS snapdir readability (Crosspost)

[Jan Behrens]

On Thu, 21 Nov 2019 11:59:50 -0500
mike tancsa <mike at sentex.net> wrote:

> On 11/21/2019 11:49 AM, Jan Behrens wrote:
> >
> > As far as I know, there is no way to disable having .zfs/snapshot
> > readable by everyone, is that correct?
> 
> I believe so.  Hence the request to add a zfs feature to add a new
> option to snapdir along the lines of
> 
> zfs set snapdir=inaccessible <filesystem>
> or
> zfs set snapdir=rootonly <filesystem>
> 
>     ---Mike
> 

Out of curiosity, would one or two new values (inaccessible and/or
rootonly) for the snapdir property require to introduce a new
zpool-feature? How about compatibility with other operating systems?

Regards,
Jan