On Tue, Feb 06, 2001 at 00:15:27 +0100, Bernd Walter wrote:
> On Mon, Feb 05, 2001 at 09:34:44AM -0500, Trevor Johnson wrote:
> > I've made an attempt at an update for -CURRENT of Shunsuke Akiyama's od
> > driver for magneto-optical disks, which I got from his archives at
> > ftp://daemon.jp.freebsd.org/pub/FreeBSD-jp/OD/ .  I have only tested it a
> > little, but I'm able to do "tar cf /dev/od0 ..." under 4-STABLE and untar
> > under Linux 2.2.16 or FreeBSD 5-CURRENT.  If under -CURRENT I boot up
> > while the MO disk (a 640 MB one) is in the drive (Olympus MOS364), the
> > data read from it gets corrupted.  That happens with the da driver as
> > well.  I merged the changes from the da driver into the od driver, so I
> > probably brought the bug in too.
> > 
> > Anyway,
> > it's at http://people.freebsd.org/~trevor/src/od-20010203-current.diff.gz
> What is the od driver able to do that the da driver can't?

I exchanged some mail with Akiyama-san around the end of October about the
od(4) driver.

In short, we'd like to make sure that the cd(4) driver and da(4) driver
have the od driver's functionality, so there isn't a need for another

I think we already have the most important functionality from the od(4)
driver in the da and cd drivers.  If there are any features that are
in the od(4) driver that should be in the da(4) or cd(4) drivers, but
aren't, please speak up.

Note that his patches also include some other filesystem-type patches, which
would have to be looked at by someone who actually knows something about
filesystems. :) (i.e. not me)

Kenneth Merry

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