Re: CVS commit: src/sbin/umount

[mlelstv%serpens.de@localhost (Michael van Elst)]

dholland-tech%netbsd.org@localhost (David Holland) writes:

>But that's a backwards argument anyway. The point is that a vnd is a
>shim whose purpose is to work around a weakness in the system
>interfaces. (Namely, that you can't mount a fs image in a regular
>file.) It has no state, and no semantics of its own either; it's just
>a plug.

It adds some disk semantics to a file.


>It is perfectly reasonable for mount to create a vnd automatically
>when you ask it to mount an image that's a regular file, and dispose
>of it equally automatically later.

Assuming that some default or fabricated disk semantics are sufficient
for the task.