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  1. From: Stephen Henson (CSM) <shenson@camborne-school-of-mines.ac.uk>
  2. Date: Tue, 16 Mar 93 01:33:37 GMT
  3. Message-Id: <26304.9303160133@csm.ac.uk>
  4. To: mint <mint@terminator.rs.itd.umich.edu>
  5. Subject: Minixfs 0.60 pre-alpha, patch 1
  6.  
  7.     Here is patch level 1 to minixfs 0.60 pre-alpha. Seems like the
  8. ground rules changed from gcc 2.1 to 2.3.3. I was using the older version
  9. and 2.3.3 didn't like some of my code, the result was that it wouldn't write
  10. to filesystems and complained "alloc_bit: this can't happen". Anyway, this
  11. patch fixes it and adds a few cosmetic changes to keep gcc -Wall happy in
  12. 2.3.3. My thanks to Michael for reporting the problem; hopefully it's OK now.
  13.     Julian: readlabel *does* return EFILNF.
  14.     A few other musings: fsck doesn't work on partitions that require 
  15. lrecno in fact it may well trash them badly. Having said that, due to a 
  16. fatal bug in hard disk driver software, this feature can't be used anyway.
  17. I'll try to get this going, on the few pieces of driver software that use
  18. the XHDI standard (no, I hadn't heard of it either until Julian pointed
  19. me in the direction of some docs), when I get hold of a test binary of an
  20. XHDI compliant driver.
  21.     If anyone knows a way of accessing large partitions in 512 byte 
  22. or 1K chunks let me know. The only ways I know of are with lrecno and
  23. Rwabs in logical mode (which doesn't work), lrecno and Rwabs in physical
  24. sector mode (which needs the partition info to be manually interpreted,
  25. and can trigger even nastier bugs which trash hard disks) or XHDI.
  26.     I'd be interested to know how the 'rumoured' Macintosh driver
  27. accesses Mac partitions (which have a different partition id) assuming it
  28. isn't via partition table interpretation.
  29.     Enough waffle, patch follows.
  30. Have fun, Steve.
  31.  
  32. table
  33.  !"#$%&'()*+,-./0123456789:;<=>?
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  84.  d
  85. end
  86.