Re: 2.6.0, cdrom still showing directories after being erased

From: Pavel Machek
Date: Thu Feb 05 2004 - 13:27:02 EST


Hi!

> > I believe he meant to write he umounted it.
> > The problem is that there is still some data left in CDRW's cache and it
> > needs to be emptied. That happens when CDRW is ejected and reinserted
> > (that is why windows burning software ie. Nero wants to eject the CDR/RW
> > when it gets written or erased).
> > Maybe kernel could flush the buffers/caches or whatever is there when
> > CDROM gets mounted. But im afraid about compatibility with broken drives
> > such as LG.
>
> There's no command to invalidate read cache, you are probably thinking
> of the SYNC_CACHE command to flush dirty data to media (which is what LG
> fucked up).
>
> IMO, it's a user problem.

Does not look like so.

mount
umount
cdrecord -blank
mount
see old data

That looks pretty bad. If there's no other solution, we might just
document it, but...
Pavel

--
When do you have a heart between your knees?
[Johanka's followup: and *two* hearts?]
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