Linked by Rahul on Mon 13th Oct 2008 21:19 UTC
Linux Foundation is organizing a end user collaboration summit this week. A major topic will be a presentation on the new upcoming filesystems - Ext4 and Btrfs. Ted Tso, who is a Linux kernel filesystem developer on a sabbatical from IBM working for Linux Foundation for a year, has talked about the two-pronged approach for the Linux kernel, taking a incremental approach with Ext4 while simultaneously working on the next generation filesystem called btrfs. Read more for details.
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Member since:
2007-09-08
The license issue with ZFS is Sun's fault. They deliberately chose a license that's incompatible with the GPL. That means that any combination of ZFS and the Linux kernel is impossible to distribute without violating both the GPL (on the Linux code) and the CDDL (on the ZFS code).
Did you really think that the Linux kernel developers were going to stop work, and devote all their time to tracking down all of the previous contributors to the kernel, ask them for permission to change the license to something else, and then relicense the entire thing under another license just so we can use ZFS? Most of the kernel contributors were one-off contributors who left no contact details, and a few of them are even dead.
Besides, ZFS would never be acceptable for the mainstream Linux kernel anyway. Like Reiser4, it re-implements far too many other filesystem layers, like the block cache, and has rampant layering violations. Most of the improvements from ZFS should be implemented into Linux itself, so that all filesystems can benefit from them. Of course, doing it that way isn't nearly as marketable - you can't just slap a single name on the whole thing and sell it.