Dec 052017
 
OS/2 installable file system, allows OS/2 to use the Linux 32 bit ext2 Unix file system. This is version 0.4 beta.

Full Description of File


Linux ext2fs file system driver (IFS) for OS/2.
Version 0.4 beta. Allows OS/2 to access Linux
native partitions (ext2fs partitions) as normal
OS/2 drive letters. (replaces ext2_os2.zip,
ext2_02a.zip, ext2_03a.zip and ext2fix.zip).
Licence agreement : GNU GPL.
Matthieu WILLM
Home : [email protected]
Work : [email protected]



File EXT2_04B.ZIP from The Programmer’s Corner in
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OS/2 installable file system, allows OS/2 to use the Linux 32 bit ext2 Unix file system. This is version 0.4 beta.
File Name File Size Zip Size Zip Type
E2FLT12B.ZIP 59240 57685 deflated
EXT2-OS2.DDP 1476 727 deflated
EXT2-OS2.EXE 25200 14059 deflated
EXT2-OS2.IFS 74330 39454 deflated
EXT2-OS2.INF 53332 31750 deflated
EXT2-OS2.SYM 21156 9600 deflated
EXT2D.IFS 78546 41123 deflated
EXT2FLT.DDP 291 187 deflated
EXT2FLT.DOC 3997 1574 deflated
EXT2FLT.FLT 12052 4795 deflated
EXT2FLT.SYM 14004 3004 deflated
EXT2_LW.EXE 21088 11964 deflated
EXT2_OS2.ZIP 60925 60249 deflated
FILE_ID.DIZ 339 236 deflated
README 6003 2638 deflated
README.SRC 5086 2206 deflated
SRC_04B.ZIP 195641 188260 deflated
SYNC.EXE 20960 11894 deflated

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Contents of the README file


Linux ext2fs file system driver (IFS) for OS/2.
Version 0.4 beta. Allows OS/2 to access Linux
native partitions (ext2fs partitions) as normal
OS/2 drive letters. (replaces ext2_os2.zip,
ext2_02a.zip, ext2_03a.zip and ext2fix.zip).
Licence agreement : GNU GPL.
Matthieu WILLM
Home : [email protected]
Work : [email protected]

[$Header: D:/ext2-os2/doc/RCS/README,v 1.4 1995/09/07 23:55:25 Willm Exp Willm $]

Linux ext2 file system driver for OS/2 2.x and WARP - Allows OS/2 to
access your Linux ext2fs partitions as normal drive letters.
OS/2 implementation : Copyright (C) 1995 Matthieu WILLM

This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.


BETA VERSION 0.4

Please consult the online help file (ext2-os2.inf) for
IMPORTANT installation and configuration instructions.
Please read the documentation BEFORE trying the driver !!


***** IMPORTANT WARNING - READ THIS FIRST *****

This is a beta file system driver. It means that IT IS NOT FINISHED
AND STILL UNSTABLE. Being a driver it runs at the most privileged level of
the OS/2 operating system, known as "kernel mode". IN KERNEL MODE THERE IS
NO MORE CRASH PROTECTION. It means that if a bug occurs in the driver IT
CAN CAUSE A HANG OR A SYSTEM HALT, AND THUS CAN CAUSE LOSS OF DATA.

Write capabilities are not yet completely bug free, so please notice that
if a problem occurs, IT IS NOT IMPOSSIBLE THAT EXT2-OS2 COMPLETELY TRASHES
YOUR EXT2FS PARTITION(S). HAVING A BACKUP OF YOUR LINUX PARTITION WOULD BE
A GOOD IDEA ! I *STRONGLY* recommend to test this driver on a dedicated ext2fs
partition first.


- DON'T RUN THIS DRIVER ON A PRODUCTION MACHINE
- DON'T RUN THIS DRIVER IF YOU MANIPULATE CRITICAL DATA
- DON'T RUN THIS DRIVER ON A HEAVY LOADED MACHINE
- BE PREPARED TO ENCOUNTER SYSTEM HANGS
- BE PREPARED TO ENCOUNTER SYSTEM HALTS
- BE PREPARED TO HAVE YOUR EXT2FS PARTITION DAMAGED OR EVEN DESTROYED AND
ALL ITS DATA LOST
- USE IT AT YOUR OWN RISKS, AND ONLY ON A TEST MACHINE YOU ACCEPT TO CRASH
AND REINSTALL !

Note : If you don't want to take the risk of trashing your ext2fs partition(s)
then don't use the read-write version, use the read-only version (V0.1)
included in this package instead (it's in the file ext2_os2.zip) : V0.1
is pretty stable according to people who tested it since released.



TROUBLESHOOTING :
-----------------

To help debug this driver, I included two useful files :
- ext2-os2.exe : a IFS debug console. If you suspect a problem, try to look
at the messages it produces...they are sometimes useful !

- ext2-os2.sym : the symbol file, for those who play with the kernel debugger
daily :-))


PREVIOUS VERSIONS TESTERS :
---------------------------

Many thanks to all of you. This is really helpful to debug and improve ext2-os2 !
You can find a summary of changes in ext2-os2.inf


INCLUDED IN THIS PACKAGE :
--------------------------

The package now includes Deon van der Westhuysen's Linux ext2fs partition filter V 1.2b
Please look at the file ext2flt.doc for its usage and Deon's copyright notice.
(I started to merge e2flt12 doc with ext2-os2.inf but it's not yet finished !)
This package includes :
- e2flt12b.zip : original ext2flt package with sources
- ext2flt.ddp : ext2flt device driver profile
- ext2flt.doc : ext2flt documentation
- EXT2FLT.FLT : ext2flt filter driver
- ext2flt.sym : ext2flt symbol file for kernel debugger users

WRITE ACCESS CONSIDERATIONS :
-----------------------------
- This release uses only lazy writes : it means that data are not committed
to the disk immediately. You *MUST ALWAYS* SHUTDOWN YOUR SYSTEM PROPERLY
so that data can be written to disk. IF YOU DON'T FOLLOW THIS RULE, YOUR
EXT2FS PARTITION WILL BE PROBABLY DAMAGED, AND YOUR DATA LOST.
- I included a sync utility that flushes the cache to disk if you need to be
sure that data are committed without shutting down the system. This sync
utility is still primitive, so please use it only when no other activity
is taking place on your partition.
- I included also a lazy write daemon that runs at a low priority and tries
to write at most 10% of buffers every 30 s. (if they are dirty). This
daemon (ext2_lw.exe) is automatically loaded at boot time.

DEFAULTS SETTINGS :
-------------------
-he default behavior after installation is read only. To turn on read/write
access you have to specify -rw on the ext2-os2.ifs command line AND /W
on the ext2flt.flt command line.




Matthieu WILLM
[email protected] (home)
[email protected] (work)


Note : file_id.diz contents, for BBS sysops !
---- Cut here ----
Linux ext2fs file system driver (IFS) for OS/2.
Version 0.4 beta. Allows OS/2 to access Linux
native partitions (ext2fs partitions) as normal
OS/2 drive letters. (replaces ext2_os2.zip,
ext2_02a.zip, ext2_03a.zip and ext2fix.zip).
Licence agreement : GNU GPL.
Matthieu WILLM
Home : [email protected]
Work : [email protected]
---- Cut here ----




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