Sorry for the delay, I missed this one somehow.Oh,it's really no problem. ;-) All we know that you're too busy nowadays, cause of btrfs' mainline inclusion. :-)
That's right. You did rm -rf dir, which is actually the slowestThanks for pointing ;-)
possible way to remove the snapshot ;) A much more optimized version is
possible, and already implemented as part of transaction commit.
A very good point, I'm in the process of documenting this better.Good luck! :-)