[[!comment format=mdwn
 username="joey"
 subject="""comment 1"""
 date="2017-12-20T16:52:30Z"
 content="""
Your change seems right. I think the mount error is unrelated;
it comes from DiskImage which mounts the loopback device with
-t auto, so the parted name for fat shouldn't impact that.

There might be something in dmesg about why the mount failed.
"""]]
