[arch-dev-public] [RFC] btrfs multi-device support in pre-3.6 kernels

[Tobias Powalowski]

Am 03.10.2012 01:30, schrieb Tom Gundersen:
> Hi guys,
>
> With systemd-193 and linux-3.6 we will finally have reliable support
> for btrfs multi-device filesystems (assembling them used to be racy).
>
> However, the added udev rules that makes this work do not work at all
> on pre-3.6 kernels. We could keep the old (racey) rules in the btrfs
> package to deal with this situation. However, that means scanning all
> btrfs devices twice on boot  for everyone on post-3.6 kernels. As I
> expect the number of people using multi-device btrfs (which is still
> experimental) with an linux-lts kernel to be limited, I'm not too keen
> on optimizing for this case.
>
> I propose we either just drop the old btrfs rules and tell users of
> linux-lts+btrfs multi-device to upgrade to linux, or we add the rules
> to the linux-lts package.
>
> Any thoughts?
>
> Cheers,
>
> Tom
Just drop the support for it, LTS is too outdated for btrfs anyway.

-- 
Tobias Powalowski
Archlinux Developer & Package Maintainer (tpowa)
http://www.archlinux.org
tpowa at archlinux.org


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