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Re (3): HOW does 'loop' work ?

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In article <ip523j$gou$1@dont-email.me>, Kevin Snodgrass <kdsnodgrass@yahoo.com> wrote: 

> On Mon, 25 Apr 2011 18:43:08 +0000, no.top.post wrote:
> > Yes I discovered that refinement 'during this tutorial'. It allows suble
> > side effects.
> > Previously I thought `mount /dev/hd1 /mnt/tmp; mount /dev/hd2 /mnt/tmp` 
> > would report an error.
> 
> Do you have any programming background?  Just think of a pointer.  The 
> second mount will reset the pointer to a different location on the disk.  
> It does maintain (somewhere) the previous pointer, so that on unmount the 
> previous directory structure is back.
> 
Yes, once I knew WHAT it did, I immediately thought of that 'model',
which of course, extends to as many mount-points masking other 
mount-points as you want. So you can get a whole lot of tricky
behaviour as you <pull the one mask away to redirect the traffic
according to the newly exposed mask>.

Thanks for feedback,

== Chris Glur.

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Re: HOW does 'loop' work ? no.top.post@gmail.com - 2011-04-24 11:28 +0000
  Re: HOW does 'loop' work ? Tauno Voipio <tauno.voipio@notused.fi.invalid> - 2011-04-24 18:09 +0300
    Re (2): HOW does 'loop' work ? no.top.post@gmail.com - 2011-04-25 18:43 +0000
      Re: Re (2): HOW does 'loop' work ? Tauno Voipio <tauno.voipio@notused.fi.invalid> - 2011-04-25 22:36 +0300
      Re: Re (2): HOW does 'loop' work ? Kevin Snodgrass <kdsnodgrass@yahoo.com> - 2011-04-26 00:02 +0000
        Re (3): HOW does 'loop' work ? no.top.post@gmail.com - 2011-04-27 13:16 +0000
      Re: Re (2): HOW does 'loop' work ? Robert Nichols <SEE_SIGNATURE@localhost.localdomain.invalid> - 2011-04-25 22:16 -0500

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