From 5e39f59fc6aa05e96221665a43c3ed35582fc5b8 Mon Sep 17 00:00:00 2001
From: Pascal Rigaux <pixel@mandriva.com>
Date: Wed, 19 Sep 2007 15:34:17 +0000
Subject: - diskdrake :   o do not allow partitions bigger than 2TB-1 on DOS
 MBR, nor partitions     starting above 2TB-1

---
 perl-install/NEWS                   | 2 ++
 perl-install/install/NEWS           | 2 ++
 perl-install/partition_table.pm     | 2 +-
 perl-install/partition_table/dos.pm | 4 ++++
 perl-install/partition_table/raw.pm | 3 +++
 5 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/perl-install/NEWS b/perl-install/NEWS
index 5e4068cac..25c3dbf39 100644
--- a/perl-install/NEWS
+++ b/perl-install/NEWS
@@ -1,5 +1,7 @@
 - diskdrake:
   o "Clear All" defaults to LVM on full disk if drive is >4TB
+  o do not allow partitions bigger than 2TB-1 on DOS MBR, nor partitions
+    starting above 2TB-1
 - bootloader-config:
   o handle /boot/xxx files on linux raid1
 - fix getting UUID on mdmadm (eg: md0) devices
diff --git a/perl-install/install/NEWS b/perl-install/install/NEWS
index 4431b8cd1..f811b41bb 100644
--- a/perl-install/install/NEWS
+++ b/perl-install/install/NEWS
@@ -1,5 +1,7 @@
 - diskdrake:
   o "Clear All" defaults to LVM on full disk if drive is >4TB
+  o do not allow partitions bigger than 2TB-1 on DOS MBR, nor partitions
+    starting above 2TB-1
 - restore banner on pop up messages (#33753)
 - handle /boot/xxx files on linux raid1
 - when basesystem can't be selected, display the reason
diff --git a/perl-install/partition_table.pm b/perl-install/partition_table.pm
index 5b2d30aaf..590365536 100644
--- a/perl-install/partition_table.pm
+++ b/perl-install/partition_table.pm
@@ -219,7 +219,7 @@ sub get_normal_parts_and_holes {
 	$hole, $_;
     } sort { $a->{start} <=> $b->{start} } grep { !isWholedisk($_) } get_normal_parts($hd);
 
-    push @l, { start => $start, size => $last - $start, %$minimal_hole };
+    push @l, { start => $start, size => min($last - $start, $hd->max_partition_size), %$minimal_hole } if $start < $hd->max_partition_start;
     grep { !isEmpty($_) || $_->{size} >= $hd->cylinder_size } @l;
 }
 
diff --git a/perl-install/partition_table/dos.pm b/perl-install/partition_table/dos.pm
index c12b7cba4..2376fce11 100644
--- a/perl-install/partition_table/dos.pm
+++ b/perl-install/partition_table/dos.pm
@@ -33,6 +33,10 @@ sub last_usable_sector {
     $hd->{geom}{sectors} * $hd->{geom}{heads} * $hd->{geom}{cylinders};
 }
 
+my $two_TB = 2 * 1024 * 1024 * 2048;
+sub max_partition_start { $two_TB - 1 }
+sub max_partition_size { $two_TB - 1 }
+
 sub get_rawCHS {
     my ($part) = @_;
 
diff --git a/perl-install/partition_table/raw.pm b/perl-install/partition_table/raw.pm
index 925ae6562..c3bc9dcce 100644
--- a/perl-install/partition_table/raw.pm
+++ b/perl-install/partition_table/raw.pm
@@ -69,6 +69,9 @@ sub last_usable_sector {
     my ($hd) = @_;
     $hd->{totalsectors};
 }
+# no limit
+sub max_partition_start { 1e99 }
+sub max_partition_size { 1e99 }
 
 #- default method for starting a partition, only head size or twice
 #- is allowed for starting a partition after a cylinder boundarie.
-- 
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