[src/trunk]: src/sys/arch/mac68k/mac68k Before reading the (new) Apple Partit...

[scottr <scottr%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/bc5d2add4905
branches:  trunk
changeset: 533411:bc5d2add4905
user:      scottr <scottr%NetBSD.org@localhost>
date:      Sat Jun 29 19:44:52 2002 +0000

description:
Before reading the (new) Apple Partition Map laid out by sysinst, be sure
to clear the disk label. From Bob Nestor; part 2 of 2 of a fix for
PR 15528.

diffstat:

 sys/arch/mac68k/mac68k/disksubr.c |  23 ++++++++++++++++-------
 1 files changed, 16 insertions(+), 7 deletions(-)

diffs (40 lines):

diff -r 028b5a07bc69 -r bc5d2add4905 sys/arch/mac68k/mac68k/disksubr.c
--- a/sys/arch/mac68k/mac68k/disksubr.c Sat Jun 29 19:29:11 2002 +0000
+++ b/sys/arch/mac68k/mac68k/disksubr.c Sat Jun 29 19:44:52 2002 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: disksubr.c,v 1.41 2002/03/05 09:40:40 simonb Exp $     */
+/*     $NetBSD: disksubr.c,v 1.42 2002/06/29 19:44:52 scottr Exp $     */
 
 /*
  * Copyright (c) 1982, 1986, 1988 Regents of the University of California.
@@ -593,15 +593,24 @@
        brelse(bp);
        return (error);
 #else
+       int i;
+
        /*
-        * Re-analyze the ondisk Apple Disk Partition Map and recompute
-        * the faked incore disk label. This is necessary for sysinst,
-        * which may have modified the disk layout. We don't (yet)
-        * support writing real BSD disk labels, so this hack instead
-        * causes the DIOCWDINFO ioctl invoked by sysinst to update the
-        * in-core disk label when it is "written" to disk.
+        * Clear and re-analyze the ondisk Apple Disk Partition Map,
+        * then recompute the faked incore disk label. This is necessary
+        * for sysinst, which may have modified the disk layout. We don't
+        * (yet?) support writing real BSD disk labels, so this hack
+        * instead causes the DIOCWDINFO ioctl invoked by sysinst to
+        * update the in-core disk label when it is "written" to disk.
         * This code was originally developed by Bob Nestor on 9/13/99.
         */
+       lp->d_npartitions = 0;
+       for (i = 0; i < MAXPARTITIONS; i++) {
+               lp->d_partitions[i].p_fstype = FS_UNUSED;
+               lp->d_partitions[i].p_offset = 0;
+               if (i != RAW_PART)
+                       lp->d_partitions[i].p_size = 0;
+       }
        return (readdisklabel(dev, strat, lp, osdep) ? EINVAL : 0);
 #endif
 }