
This takes care of two related problems: - `umount -f' wouldn't work if someone's working directory is the filesystem root. - vfs_unmountall() would complain about a busy `/' on a diskless setup.
This takes care of two related problems: - `umount -f' wouldn't work if someone's working directory is the filesystem root. - vfs_unmountall() would complain about a busy `/' on a diskless setup.