Re: 2.6.0, cdrom still showing directories after being erased

[Martin Schlemmer]

On Wed, 2004-02-04 at 00:40, Jens Axboe wrote:
> On Tue, Feb 03 2004, Richard B. Johnson wrote:
> > On Tue, 3 Feb 2004, [iso-8859-1] MÃns RullgÃrd wrote:
> > 
> > > John Bradford <john@xxxxxxxxxxxx> writes:
> > >
> > > > Regardless of specs, I don't know what the majority of devices in the
> > > > real world actually do.  Maybe Jens and Alan, (cc'ed), can help.
> > >
> > > Just tested with an ASUS SCB-2408 in my laptop.  It gives read errors
> > > after doing a fast erase, just like it should.
> > >
> > > --
> > > MÃns RullgÃrd
> > > mru@xxxxxx
> > > -
> > 
> > I had to borrow a R/W CDROM because most everybody uses CR-R only
> > here. That's why it took so long to check. With SCSI, Linux 2.4.24,
> > cdrecord fails to umount the drive before it burns it. The result
> > is that the previous directory still remains at the mount-point.
> > This, even though cdrecord ejected the drive to "re-read" its
> > status.
> > 
> > Bottom line: If the CDROM isn't umounted first, you can still
> > get a directory entry even though the CDROM has been written with
> > about 500 magabytes of new data.
> 
> So what? Just because you can do it, doesn't mean it's a valid thing to
> do. You can literally come up with thousands of similar weird things, if
> you wanted to.
> 
> This whole discussion is silly and pointless.

I am assuming its cdrecord's responsibility to check if the device is
not in use?  How difficult will it be to add a kernel side stopper to
this (as it will after all also stop this thread) ?

-- 
Martin Schlemmer

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