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1994-08-27
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13KB
From: Stephen Henson (CSM) <shenson@camborne-school-of-mines.ac.uk>
Date: Thu, 1 Apr 93 21:51:39 BST
Message-Id: <27961.9304012051@csm.ac.uk>
To: mint <mint@terminator.rs.itd.umich.edu>
Subject: Minixfs/fsck patch level 2
Here is a patch to bring minixfs and fsck up to patch level 2. Minixfs hasn't
changed much, just added support for altered fs format. Makefiles have been
sanitised, you should just have to do 'make install' at the top level to get
everything compiled now, the actual install program and final destination
are in the file 'dirs' which gets included (I did it like this so if the
makefile gets patched later it wont have altered if you edit the destination).
fsck has changed a bit. This version will recover a trashed root
directory/inode (something which took me ages to do manually when it happened
to me), the option '-R' will automatically assume the root inode is invalid
and reallocate it. This basically makes a valid root with lost+found and stuffs
all the orphaned inodes into it. I haven't dared try this on my hard disk yet,
but it seems OK on floppies; anyone silly enough to try this on a hard disk
partition let me know what happens. You have to manually input the directory
increment with '-R' at present, not that much of a problem, hopefully you'll
never have to use this option!
[Note: If you are thinking of trying out '-R' then I ought to spell out what it
does : IT TRASHES THE ROOT DIRECTORY! It then recreates a new root directory,
and put all the old entries into a directory called 'lost+found' the names are
not recoverable so it uses the inode number for a name. ]
'-R' is mainly there to test things out at present, it may well be replaced by
a selective inode/dir trasher.
Bjarne: Sorry haven't inluded your patch in this patch level, I'll add something
to give a wider range of error codes in the next patch.
No XHDI support yet 'cos I haven't got a test binary yet! No binary,
no XHDI.
Use patch -p0 or whatever, it patches subdirs as well ...
table
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