On Wed, Mar 09, 2011 at 06:20:28AM -0500, Brian J. Murrell wrote:
> I am using btrfs on Ubuntu's LTS kernel (2.6.32-22-generic) and have
Ouch. That's a *very* early kernel, in btrfs terms. There are a
significant number of serious bugs that have been fixed since then.
> updated the btrfs-tools to 0.19+20101101-1~lucid1. I have also built
> the latest from
> git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-progs-unstable.git.
>
> The problem is that I don't get anything from btrfs fi df $mountpoint.
> i.e., for the btrfs filesystem mounted at /mnt/btrfs-test/
>
> # ./btrfs fi df /mnt/btrfs-test/
> #
>
> See, no output. Is my kernel module too old for that feature? Maybe it is:
>
> stat64("/mnt/btrfs-test/", {st_mode=S_IFDIR|0755, st_size=72, ...}) = 0
> open("/mnt/btrfs-test/",
> O_RDONLY|O_NONBLOCK|O_LARGEFILE|O_DIRECTORY|O_CLOEXEC) = 3
> fcntl64(3, F_GETFD) = 0x1 (flags FD_CLOEXEC)
> ioctl(3, 0xc0109414, 0x999c320) = -1 ENOTTY (Inappropriate ioctl
> for device)
> exit_group(-1) = ?
>
> If my kernel module is too old, anyone know of a successful backport of
> a newer btrfs for Ubuntu Lucid? In a PPA or otherwise?
There's Ubuntu kernel PPAs listed on the btrfs wiki:
https://btrfs.wiki.kernel.org/index.php/Getting_started#Ubuntu_Linux
The wiki is your friend. :)
Hugo.
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