Thomas Mueller <mueller6...@bellsouth.net> wrote:
> On the issue of whether ZFS can be shipped with the Linux kernel, FreeBSD
> includes ZFS with the kernel, binary and source.
>
> So does that mean it would be OK for Linux too?
>
> FreeBSD has a different license (BSD) than Linux (GPL 2 or 3).
For FreeBSD, things are less easy than for Linux.
FreeBSD comes with a license that gives real freedom and the CDDL
being copyleft, is a license that intentionally limits the freedom a bit
in order to achieve other benefits.
The GPL limits freedom in a way far beyond what the CDDl does.
Adding code (ZFS) that gives more freedom than the base project (Linux)
is easy...
It however was a real challenge for me to convince the FreeBSD people in early
2006 to add something to their code that reduces the freedom of the FreeBSD
project. I succeeded because I could explain them that ZFS is not code that is
_needed_ in order to run FreeBSD - you just could use their UFS variant instead.
The same arguments worked for integrating DTrace into FreeBSD.
Jörg
--
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