Re: [PARPORT] Reading UDF CDs with HP7200e


Paul Murray (murray-paul@usa.net)
Wed, 27 Jan 1999 11:21:34


campbell@gear.torque.net wrote:
> > I have a HP7200e and following the instructions in the FAQ have
> > successfully set PARIDE up so that I can read normal data CDs
> > through /dev/pcd0.
> > I would like to be able to also read UDF CDs, but the current UDF
> > patches build a UDF filesystem which you then use via
> > mount -t udf /dev/whatever /mnt/cdr
> > This does not work for the generic parallel port device /dev/pg0
> > as mount expects a block device not a character device.
> This would appear to be more a problem with the filesystem than
> PARIDE. I am not familiar with the UDF filesystem myself, are you
> sure that the UDF filesystem is present in the kernel
> (eg: "cat /proc/filesystems" ?)

Sorry if I wasn't clear.

I think both the PARIDE and UDF systems are working fine on their own. ( pcd and pg both recognise the drive fine, and udf is an installed filesystem )

The problem is that the design of the two seems incompatible, pg is a character device while udf requires mount, which wants a block device.

I was thinking that I can't be the first person to try to do this (I did look through the mailing list archives but couldn't find anything about it though), so I wanted to ask for advice from anyone who had been in a similar situation.

Does anyone know of a way to resolve this problem, either by creating a block-device version of pg, modification to pcd (which is a block device), or modification to udf or mount to trick them into working on a character device?

-Paul Murray

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This archive was generated by hypermail 2.0b3 on Wed 27 Jan 1999 - 06:22:38 EST