Re: df and multiple-mounted mountpoints

[Paul Eggert]

Tim Waugh <address@hidden> writes:

> It's misleading because it shows each mounted device on that mount
> point as having the same size and usage, even the ones which are not
> at the top of the stack.

OK, I'm starting to understand now (though it'd be nice to see sample
output).

But I don't understand how to fix the bug.  How can df determine which
mounted device is the correct one, in the case where several devices
are mounted at the same location?