Technology and Trends
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Newsgroups: comp.os.linux
Subject: SystemV FS and Xenix FS - need testers
Date: 22 Aug 1993 20:18:32 GMT
Organization: University of Karlsruhe, Germany
Lines: 27
Distribution: world
Message-ID: <258kao$>
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Summary: SysV FS in alpha test, need testers
Keywords: linux, coherent, xenix, sysv, file system
Originator: haible@ma2s2

Hello all,

I have kernel patches that allow Linux to access (read/write) disks
and/or partitions of the following filesystems:
  - Xenix FS,
  - SystemV Release 2 (286) FS,
  - SystemV Release 4 (386) FS,
  - Coherent FS.

They are on [] in directory
/pub/linux/sysvfs/ , for 0.99.10, 0.99.11, 0.99.12 separately.

I have been able to test SysV and Coherent FS on floppy disks, and
Coherent FS has been reported to work on hard disk partitions.

Before these patches can be included into the standard kernel, they need
some testing, however. Please test it and report your success (or failure)
to me. Does it work? Does it produce kernel printk() warnings? Does
the other OS's fsck complain about what my code did to your disk?


                    Bruno Haible

From: (Bruno Haible)
Newsgroups: comp.os.linux.announce
Subject: System V filesystem
Followup-To: comp.os.linux.misc
Date: 1 Dec 1993 00:43:53 +0200
Organization: ?
Lines: 37
Sender: wirze...@klaava.Helsinki.FI
Approved: (Lars Wirzenius)
Message-ID: <2dgib9$2na@klaava.Helsinki.FI>
Keywords: Linux, kernel, file system, System V, Coherent, Xenix

Sysvfs is an implementation of the System V and Coherent and Xenix
filesystems for Linux. It grew out of separate filesystem implementations

  Xenix FS      Doug Evans <>  June 1992
  SystemV FS    Paul B. Monday <> March-June 1993
  Coherent FS   Pascal Haible <> and
                B. Haible <> June 1993

and was merged together in July 1993.

Version 5 has been uploaded to  /pub/linux/sysvfs/                    /pub/Linux/Incoming/
                              soon   /pub/Linux/system/Filesystems/sysv/

There is a separate set of kernel patches for each Linux kernel from
0.99.10 to 0.99.14.

It implements all kinds of System V like filesystems I know of (but not UFS).
If you are running a System V or Coherent or Xenix, this should make it
easier for you to move to Linux.

mkfs.sysv and fsck.sysv are not provided. The hard disk partitioning scheme
of Xenix requires separate patches.

     *** Use at your own risk. ***
     *** Backup your disk before using it for the first time. ***
     *** Mount read-only the first time. ***

Bruno Haible

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