On Oct 30, 2012, at 12:32 PM, Michael Kjörling [off-list ref] wrote:

I'm not so much concerned about the exact word being used as I feel
the same word should be used throughout a UI to describe the same
concept. Whether it's called "free" space, "unused" space,
"unallocated" space or "fuzzbar'd" space is really beside the point.

Agreed. If there's some meaningful distinction, then different words should be used. There is the small vagueness of what exactly is "used". So if you say "50GB used" what exactly does this mean? Because btrfs fi show regularly shows me two completely different used values and they're significantly different (in value) so while the word "used" may be applicable, what's missing is the "what".

Chris Murphy