The mount point has now been created using the default settings, which means it has been created as an LVM logical volume. Select the newly created mount point in the left pane to configure it further, and convert it to a Btrfs subvolume by changing the `Device Type` option to `Btrfs`. Then, click `Update Settings` in the bottom right corner of the screen.
The mount point has now been created using the default settings, which means it has been created as an LVM logical volume. Select the newly created mount point in the left pane to configure it further, and convert it to a Btrfs subvolume by changing the `Device Type` option to `Btrfs`. Then, click `Update Settings` in the bottom right corner of the screen.