move loopback.pm to fs/loopback.pm

(since it's tightly tight to many fs* things)

1 files changed, 0 insertions, 126 deletions

diff --git a/perl-install/loopback.pm b/perl-install/loopback.pm
deleted file mode 100644
index 96e542ab8..000000000
--- a/perl-install/loopback.pm
+++ /dev/null
@@ -1,126 +0,0 @@
-package loopback; # $Id$
-
-use diagnostics;
-use strict;
-
-#-######################################################################################
-#- misc imports
-#-######################################################################################
-use MDK::Common::System;
-use common;
-use fs::type;
-use fs;
-use log;
-
-
-sub carryRootLoopback {
-    my ($part) = @_;
-    $_->{mntpoint} eq '/' and return 1 foreach @{$part->{loopback} || []};
-    0;
-}
-
-sub check_circular_mounts {
-    my ($part, $all_hds) = @_;
-
-    my $fstab = [ fs::get::fstab($all_hds), $part ]; # no pb if $part is already in $all_hds
-
-    my $base_mntpoint = $part->{mntpoint};
-    my $check; $check = sub {
-	my ($part, @seen) = @_;
-	push @seen, $part->{mntpoint} || return;
-	@seen > 1 && $part->{mntpoint} eq $base_mntpoint and die N("Circular mounts %s\n", join(", ", @seen));
-	if (my $part = fs::get::up_mount_point($part->{mntpoint}, $fstab)) {
-	    #- '/' carrier is a special case, it will be mounted first
-	    $check->($part, @seen) if !carryRootLoopback($part);
-	}
-	if (isLoopback($part)) {
-	    $check->($part->{loopback_device}, @seen);
-	}
-    };
-    $check->($part) if !($base_mntpoint eq '/' && isLoopback($part)); #- '/' is a special case, no loop check
-}
-
-sub carryRootCreateSymlink {
-    my ($part, $prefix) = @_;
-
-    carryRootLoopback($part) or return;
-
-    my $mntpoint = "$prefix$part->{mntpoint}";
-    unless (-e $mntpoint) {
-	eval { mkdir_p(dirname($mntpoint)) };
-	#- do non-relative link for install, should be changed to relative link before rebooting
-	symlink "/initrd/loopfs", $mntpoint;
-
-	mkdir_p("/initrd/loopfs/lnx4win/boot");
-	symlink "/initrd/loopfs/lnx4win/boot", "$prefix/boot";
-    }
-    #- indicate kernel to keep initrd
-    mkdir_p("$prefix/initrd");
-}
-
-
-sub format_part {
-    my ($part, $prefix) = @_;
-    fs::mount_part($part->{loopback_device}, $prefix);
-    create($part, $prefix);
-    fs::format::part_raw($part, undef);
-}
-
-sub create {
-    my ($part, $prefix) = @_;
-    my $f = $part->{device} = "$prefix$part->{loopback_device}{mntpoint}$part->{loopback_file}";
-    return if -e $f;
-
-    eval { mkdir_p(dirname($f)) };
-
-    log::l("creating loopback file $f ($part->{size} sectors)");
-
-    my $block_size = 128;
-    my $s = "\0" x (512 * $block_size);
-    sysopen(my $F, $f, 2 | c::O_CREAT()) or die "failed to create loopback file";
-    for (my $i = 0; $i < $part->{size}; $i += $block_size) {
-	syswrite $F, $s or die "failed to create loopback file";
-    }
-}
-
-sub getFree {
-    my ($dir, $part) = @_;
-    my $freespace = $dir ? 
-      2 * (MDK::Common::System::df($dir))[1] : #- df in KiB
-      $part->{size};
-
-    $freespace - sum map { $_->{size} } @{$part->{loopback} || []};
-}
-
-#- returns the size of the loopback file if it already exists
-#- returns -1 is the loopback file can not be used
-sub verifFile {
-    my ($dir, $file, $part) = @_;
-    -e "$dir$file" and return -s "$dir$file";
-
-    $_->{loopback_file} eq $file and return -1 foreach @{$part->{loopback} || []};
-
-    undef;
-}
-
-sub prepare_boot() {
-    my $r = readlink "$::prefix/boot"; 
-    unlink "$::prefix/boot"; 
-    mkdir_p("$::prefix/boot");
-    [$r, $::prefix];
-}
-
-sub save_boot {
-    my ($loop_boot, $prefix) = @{$_[0]};
-    
-    $loop_boot or return;
-
-    my @files = glob_("$prefix/boot/*");
-    cp_af(@files, $loop_boot) if @files;
-    rm_rf("$prefix/boot");
-    symlink $loop_boot, "$prefix/boot";
-}
-
-
-1;
-