[Bug 1228302] Re: btrfs-convert does not work (unable to open ctree)

[pascal germroth]

Until the package includes the patch, these are the steps to compile it
manually as per Andrea Agnolin's answer:

sudo apt-get build-dep btrfs-tools
git clone  git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-progs.git
cd btrfs-progs 
curl https://patchwork.kernel.org/patch/2828820/raw/ | git apply
make
sudo ./btrfs-convert /my/device

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https://bugs.launchpad.net/bugs/1228302

Title:
  btrfs-convert does not work (unable to open ctree)

Status in The Linux Kernel:
  Unknown
Status in “btrfs-tools” package in Ubuntu:
  Confirmed
Status in “btrfs-tools” package in Debian:
  New
Status in “btrfs-tools” package in Fedora:
  Unknown

Bug description:
  I've tried to convert an ext4 partition on /dev/sda3 to btrfs
  I've run an "e2fsck -vyf" and everything was ok
  Then I run btrfs-convert:

  # btrfs-convert /dev/sda3
  No valid Btrfs found on /dev/sda3
  unable to open ctree
  conversion aborted.

  $ uname -a
  Linux gamma 3.11.0-7-generic #14-Ubuntu SMP Mon Sep 16 18:37:27 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux

  ProblemType: Bug
  DistroRelease: Ubuntu 13.10
  Package: btrfs-tools 0.19+20130705-1
  ProcVersionSignature: Ubuntu 3.11.0-7.14-generic 3.11.1
  Uname: Linux 3.11.0-7-generic x86_64
  ApportVersion: 2.12.4-0ubuntu1
  Architecture: amd64
  Date: Fri Sep 20 19:38:28 2013
  InstallationDate: Installed on 2012-10-19 (335 days ago)
  InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release amd64 (20121017.5)
  MarkForUpload: True
  SourcePackage: btrfs-tools
  UpgradeStatus: Upgraded to saucy on 2013-09-12 (7 days ago)

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