taskThe GNU Hurd - Tasks: task #3160, Add Hurd extensions to existing...


task #3160: Add Hurd extensions to existing tools and OSs

Submitter:  Marcus Brinkmann <marcus>
Submitted:  Tue 16 Mar 2004 12:03:13 AM UTC
Category:  ISO 9660 filesystem Should Start On:  Mon 15 Mar 2004 12:00:00 AM UTC
Should be Finished on:  Mon 15 Mar 2004 12:00:00 AM UTC Priority:  * 3 - Low
Status:  None Privacy:  Public
Assigned to:  None Percent Complete:  0%
Open/Closed:  Open Planned Release:  None
Effort:  8.00
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Tue 16 Mar 2004 12:09:18 AM UTC, comment #1: 


On Wed, Oct 22, 2003 at 11:13:30AM -0400, Joubert Berger wrote:

> Does anyone know if it is possible to store EAs on an ISO9660
> filesystem?  If not, I am interested in seeing what it would take to get
> such functionality.

It appears that iso9660 standard supports EAs.
Looking at the standard, ECMA-119 2nd Edition, in section 9.5
it describes the Extended Attribute format.
However, I just looked it up a few seconds ago and
so don't know to what extent it supports them.
And I don't know if anyone actually has implemented it.

BTW, the UDF standard supports EAs and streams.
(EAs are implemented as streams in IRIX' UDF implementation :)


Marcus Brinkmann <marcus>
Group administrator
Tue 16 Mar 2004 12:03:13 AM UTC, original submission:  

The Hurd has some home-brewn RockRidge extensions to support passive translator settings and other Hurdish filesystem features.  These could be supported by tools like mkisofs.

OTOH, it would make sense to simply add generic POSIX extended attributes as RockRidge extensions, and then use the Hurdish extended attributes in the GNU.* namespace.  If this were to be done, everyone would have to agree on how to codify POSIX extended attributes into ISO9660 filesystems, of course.

Marcus Brinkmann <marcus>
Group administrator


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