Random832 <random832 at fastmail.com> wrote:

> On Tue, Feb 21, 2017, at 05:30, Joerg Schilling wrote:
> > *) star e.g. implements support for Linux specific file meta data 
>
> Which interfaces for accessing these have been broken by which versions
> of Linux?


The filesystem specific kernel include files are broken on many linux 
distributions.

> > and cdrtools e.g need to implement pass through SCSI.
>
> Requiring "pass through SCSI" for a CD burner violates the UNIX
> philosophy that everything is a file (which implies that reading and
> writing data be implemented, where possible, through the read and write
> system calls rather than through special interfaces specific to a device
> type).

You are incorrectly informed:

Writing CDs is a highly complex task. No known kernel is able to do that 
internally.

So the only useful method is to use SCSI pass through. 


> So does requiring SCSI bus numbers rather than device filenames.

SCSI bus numbers are part of the SCSI CAM Standard for SCSI addressing, you
are badly informed a second time.

Jörg

-- 
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 URL:  http://cdrecord.org/private/ http://sourceforge.net/projects/schilytools/files/