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Date: Fri, 14 Apr 1995 15:32:00 -0700
From: Poul-Henning Kamp <phk>
Message-Id: <199504142232.PAA10932@freefall.cdrom.com>
To: CVS-commiters, cvs-sys
Subject: cvs commit: src/sys/i386/isa wd.c
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phk         95/04/14 15:32:00

  Modified:    sys/i386/isa wd.c
  Log:
  I commit this for Bruce, who has serious connectivity problmes pt.
  This should NOT go into 2.0.5  /phk
  
  Support disk slices.  This involves mainly replacing inline code with
  function calls.  Support for ST506 drives is temporarily broken since
  the `setgeom' arg to dsopen() is not implemented completely enough to
  use.  The `setgeom' arg will go away and ST506 drives will be supported
  in another way.  A large amount of dead code is left in wdopen() as a
  reminder of the problems here.
  
  Close the device in wdsize().  Open tracking was broken on all drives
  with a swap device.
  
  Remove support for soft write protection.  There are no ioctls to set
  it.  It was used to disable writing to unlabelled disks, but we want
  to support writing to foreign partitions on unlabeled disks.
  
  Use generic dkbad routines to do about 2/3 of the work for supporting
  bad144.
  
  Improve disk statistics: estimate 4MB/sec instead of 8MB/sec for
  the transfer rate (ISA max is 4MB/sec, old IDE max is 3.3MB/sec);
  fix dk_xfer[] (it counted sectors, not transfers); keep the estimate
  dk_seek[] = dk_xfer[] (was sectors, is now transfers); only count
  words actually transferred (the count is still too high after a
  failed write and after retries).  Remove wdxfer[].
  
  Fix indentation in wdattach().  Fix resulting botched printing of the
  disk size for ST506 drives.  Print the disk geometry less cryptically.