> They are not a local filesystem, they are network drives mounted as NFS, with the abysmal support and quirk that comes with that. They’re actually not, which

> They are not a local filesystem, they are network drives mounted as NFS, with the abysmal support and quirk that comes with that. They’re actually not, which is exactly the problem. vboxsf is its own “real” filesystem. The code is super simple (too simple, perhaps): https://www.virtualbox.org/browser/vbox/trunk/src/VBox/Additions/linux/sharedfolders https://www.virtualbox.org/browser/vbox/trunk/src/VBox/Addit... It contains many shortcuts with reporting free inodes and whatnot.