lua in zfs

[Ian Lepore]

On Thu, 2017-09-28 at 09:40 -0600, Warner Losh wrote:
> On Thu, Sep 28, 2017 at 9:16 AM, Andriy Gapon <avg at freebsd.org>
> wrote:
> 
> > 
> > On 28/09/2017 16:13, Warner Losh wrote:
> > > 
> > > Which version? Where in the tree? Can this be disabled?
> > It's lua 5.2.4 at the moment.  Its source code will reside in
> > sys/cddl/contrib/opensolaris/uts/common/fs/zfs/lua.  At run-time it
> > will
> > be in
> > zfs.ko or in kernel if it's built with ZFS option.  For time being,
> > it's
> > not
> > possible to turn it off individually, but if you don't include ZFS
> > or any
> > CDDL
> > licensed code at all, then you won't have Lua too.  But I think
> > that it
> > should
> > be possible to add a new knob specifically to compile ZFS without
> > Lua, if
> > anybody wants it.
> 
> OK. Any chance you could put it in sys/contrib/lua instead? The same
> place
> that the boot loader lua project has it? The lua boot loader project
> is
> using 5.3.0 it seems, is there any reason you couldn't use that
> instead?
> 
> I've been working on this in the background and was hoping to get it
> in
> before 12.
> 
> Warner

Iirc, the big difference between 5.2.x and 5.3 is that the latter added
support for integers.  It seems like that would be a good thing, in the
kernel.

-- Ian