Assign btrfs with mount point
How to test
- Prepare system with btrfs filesystem(s).
- Boot the installer.
- Select the btrfs filesystem as a mount point excepting /boot, preferably some 'data' filesystem.
- Ensure installation is finished successfully.
- btrfs filesystems are recognized.
- Mount point can be assigned to ext4 filesystem.
- Installation completes successfully.
- System starts properly with all filesystems mounted.