From de4f752c310da49cfe15cc9cc90886354511b5cc Mon Sep 17 00:00:00 2001
From: Pascal Rigaux <pixel@mandriva.com>
Date: Mon, 6 Aug 2007 11:21:09 +0000
Subject: - fix range max value >2TB when creating a partition (useful for LVs
 >2TB)

nb: >> 11 and << 11 doesn't work on floats which we use to handle >2TB
partitions. perl floats are precise enough up until 512TB
---
 perl-install/fs/partitioning_wizard.pm | 32 ++++++++++++++++++--------------
 perl-install/fs/type.pm                |  4 ++--
 2 files changed, 20 insertions(+), 16 deletions(-)

(limited to 'perl-install/fs')

diff --git a/perl-install/fs/partitioning_wizard.pm b/perl-install/fs/partitioning_wizard.pm
index d833f5b26..4aff222c7 100644
--- a/perl-install/fs/partitioning_wizard.pm
+++ b/perl-install/fs/partitioning_wizard.pm
@@ -18,9 +18,13 @@ use partition_table::raw;
 #- modified to take into account a true bounding with min and max.
 sub from_Mb {
     my ($mb, $min, $max) = @_;
-    $mb <= $min >> 11 and return $min;
-    $mb >= $max >> 11 and return $max;
-    $mb * 2048;
+    $mb <= to_Mb($min) and return $min;
+    $mb >= to_Mb($max) and return $max;
+    MB($mb);
+}
+sub to_Mb {
+    my ($size_sector) = @_;
+    to_int($size_sector / 2048);
 }
 
 sub partition_with_diskdrake {
@@ -66,11 +70,11 @@ sub partitionWizardSolutions {
     my @wizlog;
     my (%solutions);
 
-    my $min_linux = 400 << 11;
-    my $max_linux = 2000 << 11;
-    my $min_swap = 50 << 11;
-    my $max_swap = 300 << 11;
-    my $min_freewin = 100 << 11;
+    my $min_linux = MB(400);
+    my $max_linux = MB(2000);
+    my $min_swap = MB(50);
+    my $max_swap = MB(300);
+    my $min_freewin = MB(100);
 
     # each solution is a [ score, text, function ], where the function retunrs true if succeeded
 
@@ -102,12 +106,12 @@ sub partitionWizardSolutions {
 		my $part = $in->ask_from_listf('', N("Which partition do you want to use for Linux4Win?"), \&partition_table::description, \@ok_forloopback) or return;
 		$max_swap = $min_swap + 1 if $part->{free} - $max_swap < $min_linux;
 		$in->ask_from('', N("Choose the sizes"), [ 
-		   { label => N("Root partition size in MB: "), val => \$s_root, min => $min_linux >> 11, max => min($part->{free} - $max_swap, $max_linux) >> 11, type => 'range' },
-		   { label => N("Swap partition size in MB: "), val => \$s_swap, min => $min_swap >> 11,  max => $max_swap >> 11, type => 'range' },
+		   { label => N("Root partition size in MB: "), val => \$s_root, min => to_Mb($min_linux), max => to_Mb(min($part->{free} - $max_swap, $max_linux)), type => 'range' },
+		   { label => N("Swap partition size in MB: "), val => \$s_swap, min => to_Mb($min_swap),  max => to_Mb($max_swap), type => 'range' },
 		]) or return;
 		push @{$part->{loopback}}, 
-		  { fs_type => 'ext3', loopback_file => '/lnx4win/linuxsys.img', mntpoint => '/',    size => $s_root << 11, loopback_device => $part, notFormatted => 1 },
-		  { fs_type => 'swap', loopback_file => '/lnx4win/swapfile',     mntpoint => 'swap', size => $s_swap << 11, loopback_device => $part, notFormatted => 1 };
+		  { fs_type => 'ext3', loopback_file => '/lnx4win/linuxsys.img', mntpoint => '/',    size => $s_root * 2048, loopback_device => $part, notFormatted => 1 },
+		  { fs_type => 'swap', loopback_file => '/lnx4win/swapfile',     mntpoint => 'swap', size => $s_swap * 2048, loopback_device => $part, notFormatted => 1 };
 		fsedit::recompute_loopbacks($all_hds);
 		1;
 	    } ];
@@ -159,9 +163,9 @@ Be careful: this operation is dangerous. If you have not already done so, you fi
 
 When sure, press %s.", N("Next")))) or return;
 
-		my $mb_size = $part->{size} >> 11;
+		my $mb_size = to_Mb($part->{size});
 		$in->ask_from('', N("Which size do you want to keep for Microsoft Windows® on partition %s?", partition_table::description($part)), [
-                   { label => N("Size"), val => \$mb_size, min => $min_win >> 11, max => ($part->{size} - $min_linux - $min_swap) >> 11, type => 'range' },
+                   { label => N("Size"), val => \$mb_size, min => to_Mb($min_win), max => to_Mb($part->{size} - $min_linux - $min_swap), type => 'range' },
                 ]) or return;
 
 		my $oldsize = $part->{size};
diff --git a/perl-install/fs/type.pm b/perl-install/fs/type.pm
index 2abb61918..63ef3e475 100644
--- a/perl-install/fs/type.pm
+++ b/perl-install/fs/type.pm
@@ -364,8 +364,8 @@ sub set_isFormatted {
 #- do this before modifying $part->{fs_type}
 sub check {
     my ($fs_type, $_hd, $part) = @_;
-    $fs_type eq "jfs" && $part->{size} < 16 << 11 and die N("You can not use JFS for partitions smaller than 16MB");
-    $fs_type eq "reiserfs" && $part->{size} < 32 << 11 and die N("You can not use ReiserFS for partitions smaller than 32MB");
+    $fs_type eq "jfs" && $part->{size} < MB(16) and die N("You can not use JFS for partitions smaller than 16MB");
+    $fs_type eq "reiserfs" && $part->{size} < MB(32) and die N("You can not use ReiserFS for partitions smaller than 32MB");
 }
 
 sub guessed_by_mount() {
-- 
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