Re: mounting/unmounting devices for newbies

["Jesse D . Sightler" <jsight mindspring com>]

Yeah, but I have this sneaking suspicion that very few people do their
shared work on multiuser machines with the Floppy Device.  :)

On Thu, 29 Apr 1999 19:20:36 Ryan Warner wrote:
> I think this may be a bit simplistic considering the multiuser nature of
> Linux.  This may be fine on a single user box, but not when multiple users are
> potentially using the device.
> 
> "Fox, Kevin M" wrote:
> 
> > it would do exactly what dos does. :)
> >
> >
> > > >Again, I don't understand what's going on at the kernel level, but it
> > > >seems like the real problem is the computer insisting on unmounting the
> > > >disk. <ignorant> I'd think automounting the disk whenever it is accessed
> > > >wouldn't be that hard, but when I swap disks and try to access
> > > >the disk again, linux gets all p'd off. Then I can't unmount
> > > >the disk withought putting the first disk in... seems like it'd
> > > >be good if you could just say "no, I don't care that you don't see it,
> > > >unmount it, damn it!" This way a request to the floppy drive would be
> > > >something like this: If I still have the same disk mounted, good. If I
> > > >have a new disk, mount it. If the disk change while I wasn't
> > > >looking, forcably unmount the disk (see above) and mount this one. If
> > > >there's no valid disk in the drive, tell the user. </ignorant>
> > >
> > >  I'm not sure what would happen if one of your applications had a file
> > > open on
> > > the floppy, and you yanked out the floppy and then tried to save or even
> > > close
> > > the file. Any changes to the way disks are mounted have to be compatible
> > > with
> > > the old system from the application's point of view. I think one reason
> > > you
> > > can't forcibly unmount a disk is that there may be files open on it (eg a
> > > user
> > > may be cd-ed to a directory on the disk).
> >
> 
> 
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---------------
Jesse D. Sightler
http://www3.pair.com/jsight/

"An honest answer can get you into a lot of trouble." 
         - Anonymous