Messages in this thread | | | Date | Fri, 6 Feb 2004 07:58:43 GMT | From | John Bradford <> | Subject | Re: 2.6.0, cdrom still showing directories after being erased |
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> > Of course you get problems if a raw devices changes underneath a > > mounted filesystem, I would expect that. That is _NOT_ what we were > > talking about _AT ALL_. The point is that the device itself caches > > the state of the disc over an erase, so even if the device is > > unmounted before an erase, when it is re-mounted, the stale data is > > read from the device's own cache, which should have been invalidated > > by the erase. > > Is it realy a hardware issue?
I originally thought so, but maybe I was wrong. Jens posted a patch to invalidate kernel buffers on an umount - if the problem persists with that patch, I still believe it is a hardware fault.
> Oh, and it is very simple to shout on anyone "Just eject and reload, > there is no issue, everything pointless".
Well, I never suggested that, and I don't think it's an acceptable solution, unless the problem is limited to a few broken drives.
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