Ubuntu
btrfs-tools package

  1. Bug #1228302
  2. Comment #10

Comment 10 for bug 1228302

Revision history for this message
In , Rolf (rolf-redhat-bugs) wrote :

The more simple case provide by "Additional info" can also be used to reproduce:

Quote:
  way to reproduce error:
  $ truncate -s 4G file
  $ mkfs.ext4 file #say yes to create fs on non block device.
  $ btrfs-convert file
   No valid Btrfs found on file
   unable to open ctree
   conversion aborted.