On Tue, 2008-10-07 at 18:27 +0300, Adrian Bunk wrote: > On Mon, Oct 06, 2008 at 09:40:03AM -0400, Chris Mason wrote: > > > > > The btrfs timelines have always been aggressive, and as btrfs gets > > closer to feature complete, the testing matrix grows dramatically. I > > can't promise my crazy timelines won't slip, but I've been hacking away > > in the basement for almost 18 months now and it's time for me to get off > > the pot and make it stable. > > > > Ext4 has always had to deal with the ghost of ext3. Both from a > > compatibility point of view and everyone's expectations of stability. I > > believe that most of us underestimated how difficult it would be to move > > ext4 forward. > > > > Btrfs is different for lots of reasons, and being in mainline will > > definitely increase the pressure on the btrfs developers to finish, and > > the resources available for us to finish with. > > Your last sentence does not make sense: > > According to your timeline btrfs 1.0 will be released in Q408 [1] - and > the merge window for 2.6.29 will be in Q109. > Planning for mainline inclusion is always a guessing game. Cutting 1.0 is different from being in mainline, and the dates don't have to be the same. > >... > > > For people wanting to try WIP code you don't need it in mainline. > > > > > > Stable kernels will anyway usually contain months old code of the > > > WIP filesystem that is not usable for testing, so for any meaningful > > > testing you will still have to follow the btrfs tree and not mainline. > > > > For ext4 at least, the mainline code is very usable. I hope to have > > btrfs in shape for that by the 2.6.29 merge cycle. > > One risk you should be aware of is that when btrfs is in 2.6.29 part of > the Linux press might pick it up and stress test and benchmark this new > filesystem. I think the gains from early testing far outweigh the risks of bad early press. -chris -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html