INFO-UNIX Digest V11#018

[Doug Gwyn]

In article <24905 at adm.BRL.MIL> emsca!intevep!emsca!usb!poc at sun.com writes:
>Since the dawn of time, mount has _replaced_ some inode with the root inode
>of the system being mounted. Instead, why not link the new inode on a list
>so they are _both_ available? Then we could mount several disks under '/usr',

Plan 9 has already implemented a similar scheme, with the added advantage
that ordinary (nonprivileged) users may exploit it.