Does any one know how Veritas implemented vxfs and vxvm on Linux? They must have the same problem because vxfs and vxvm is not GPLed as far as I know.
/Ove > Joerg Schilling wrote: > > "David R. Litwin" <[EMAIL PROTECTED]> wrote: > > > > > >> On 17/04/07, Wee Yeh Tan <[EMAIL PROTECTED]> wrote: > >> > >>> On 4/17/07, David R. Litwin <[EMAIL PROTECTED]> wrote: > >>> > >>>> So, it comes to this: Why, precisely, can ZFS not be > >>>> released under a License which _is_ GPL > >>>> compatible? > >>>> > >>> So why do you think should it be released under a GPL compatible license? > >>> > >> So that it can be used directly with the Linux kernel. > >> > > > > This is obviously a missunderstanding. You do not need to make > > ZFS _part_ of the Linux kernel as id is some kind of driver. > > > > Using ZFS with Linux would be "mere aggregation" (see GPL text). > > > > Jörg > > > > > No, the general consensus amongst Linux folks is that kernel modules > calling any kernel code are considered "part" of the Linux kernel; this > is still up for legal debate, of course, but this kind of very dark grey > area is something that Sun's lawyers hate. Which means that having a > CDDL'd kernel driver is going to turn them sickly green, because of the > _very_ unknown legality of it. > > This issue is exactly why ATI/nVidia have their own GPL'd kernel > modules, but a proprietary driver. As I mentioned before, ZFS almost > certainly needs Linux VFS hooks, which are _definitely_ going to be > considered GPL'd code, and thus, ZFS would be > required to be GPL-compatible. > > About the best I can suggest is that you look at the ZFS code and see > where it requires VFS access, and then write a kernel module which > exports a specific API to the kernel VFS layer, and port the ZFS code to > use that new API. Go look at the aforementioned nVidia drivers for an > example of how they do it. Or, maybe even look at the OSS (Open Sound > System) code for how to provide this kind of meta-API. > > -- > Erik Trimble > Java System Support > Mailstop: usca22-123 > Phone: x17195 > Santa Clara, CA > Timezone: US/Pacific (GMT-0800) This message posted from opensolaris.org _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
