Re: double mounting and other strangeness.

[Stephen Lord <lord@xxxxxxx>]

pac@xxxxxxxxxxxxxx wrote:

> On Mon, Jan 28, 2002 at 01:56:56AM +0100, Andi Kleen wrote:
>
> > >  Is there any legitimate reason you would want to do this? I dont
> > > want to scream at them if there is a good reason for it. What is the
> > > opinion of the FS developers here?
> > It's for example useful for chroot. You can mount a single file system
> > in multiple chroots.  There is also the related feature of mount --bind
> > which allows to do the same thing for directories and files. Again
> > it is useful for chroots.
>  Yes, but in my case, i had 2 filesystems mounted on the SAMe mount point.
> Here is an inherent ambiguity in which filesystem i am actually write/reading
> from. 
But mount in unix allows you to mount a filesystem within another 
filesystem,
otherwise  you could not have nested filesystems. Mounting on top of the 
root of a
filesystem is just a special case of this.

Steve