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SubjectRe: [RFC] Btrfs mainline plans
On Fri, Oct 03, 2008 at 12:18:59AM -0700, Andrew Morton wrote:
> On Mon, 29 Sep 2008 15:44:20 -0400 Chris Mason <> wrote:
> > But, the code is very actively developed, and I believe the best way to
> > develop Btrfs from here is to get it into the mainline kernel (with a
> > large warning label about the disk format) and attract more extensive
> > review of both the disk format and underlying code.
> For the record... I have been encouraging Chris to get btrfs into
> mainline soon. Get it into linux-next asap and merge it into 2.6.29.
> And do this even though the on-disk format is still changing - we emit a
> loud printk at mount time and if someone comes to depend upon some
> intermediate format, well, that's their tough luck.
> My thinking here is that btrfs probably has a future, and that an early
> merge will accelerate its development and will broaden its developer base.
> If it ends up failing for some reason, well, we can just delete it
> again.
> For various reasons this approach often isn't appropriate as a general
> policy thing, but I do think that Linux has needed a new local
> filesystem for some time, and btrfs might be The One, and hence is
> worth a bit of special-case treatment.

Let's try to learn from the past:

6 days from today ext4 (another new local filesystem for Linux)
celebrates the second birthday of it's inclusion into Linus' tree
as a similar special-case.

You claim "an early merge will accelerate its development and will
broaden its developer base" for Btrfs.

Read the timeline Ted outlined back in June 2006 for ext4 [1].
When comparing with what happened in reality it kinda disproves
your "acceleration" point.




"Is there not promise of rain?" Ling Tan asked suddenly out
of the darkness. There had been need of rain for many days.
"Only a promise," Lao Er said.
Pearl S. Buck - Dragon Seed

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