diff options
Diffstat (limited to 'perl-install/fs')
-rw-r--r-- | perl-install/fs/format.pm | 1 | ||||
-rw-r--r-- | perl-install/fs/get.pm | 128 |
2 files changed, 129 insertions, 0 deletions
diff --git a/perl-install/fs/format.pm b/perl-install/fs/format.pm index ad4eebdd2..eb3f89be4 100644 --- a/perl-install/fs/format.pm +++ b/perl-install/fs/format.pm @@ -54,6 +54,7 @@ sub part_raw { $part->{isFormatted} and return; if ($part->{encrypt_key}) { + require fs; fs::set_loop($part); } diff --git a/perl-install/fs/get.pm b/perl-install/fs/get.pm new file mode 100644 index 000000000..5b5b75077 --- /dev/null +++ b/perl-install/fs/get.pm @@ -0,0 +1,128 @@ +package fs::get; # $Id$ + +use diagnostics; +use strict; + +use partition_table; +use fs::type; +use fs; +use common; +use log; + +sub empty_all_hds() { + { hds => [], lvms => [], raids => [], loopbacks => [], raw_hds => [], nfss => [], smbs => [], davs => [], special => [] }; +} +sub fstab { + my ($all_hds) = @_; + my @parts = map { partition_table::get_normal_parts($_) } hds($all_hds); + my @raids = grep { $_ } @{$all_hds->{raids}}; + @parts, @raids, @{$all_hds->{loopbacks}}; +} +sub really_all_fstab { + my ($all_hds) = @_; + my @l = fstab($all_hds); + @l, @{$all_hds->{raw_hds}}, @{$all_hds->{nfss}}, @{$all_hds->{smbs}}, @{$all_hds->{davs}}; +} + +sub fstab_and_holes { + my ($all_hds) = @_; + my @raids = grep { $_ } @{$all_hds->{raids}}; + hds_fstab_and_holes(hds($all_hds)), @raids, @{$all_hds->{loopbacks}}; +} + +sub holes { + my ($all_hds) = @_; + grep { $_->{pt_type} == 0 } fstab_and_holes($all_hds); +} +sub hds_holes { + grep { $_->{pt_type} == 0 } hds_fstab_and_holes(@_); +} +sub free_space { + my ($all_hds) = @_; + sum map { $_->{size} } holes($all_hds); +} +sub hds_free_space { + sum map { $_->{size} } hds_holes(@_); +} + +sub hds { + my ($all_hds) = @_; + (@{$all_hds->{hds}}, @{$all_hds->{lvms}}); +} + +#- get all normal partition including special ones as found on sparc. +sub hds_fstab { + map { partition_table::get_normal_parts($_) } @_; +} + +sub hds_fstab_and_holes { + map { + if (isLVM($_)) { + my @parts = partition_table::get_normal_parts($_); + my $free = $_->{totalsectors} - sum map { $_->{size} } @parts; + my $free_part = { start => 0, size => $free, pt_type => 0, rootDevice => $_->{VG_name} }; + @parts, if_($free >= $_->cylinder_size, $free_part); + } else { + partition_table::get_normal_parts_and_holes($_); + } + } @_; +} + + +sub device2part { + my ($dev, $fstab) = @_; + my $subpart = fs::subpart_from_wild_device_name($dev); + my $part = find { fsedit::is_same_hd($subpart, $_) } @$fstab; + log::l("fs::device2part: unknown device <<$dev>>") if !$part; + $part; +} + +sub part2hd { + my ($part, $all_hds) = @_; + my $hd = find { $part->{rootDevice} eq ($_->{device} || $_->{VG_name}) } hds($all_hds); + $hd; +} + +sub file2part { + my ($fstab, $file, $b_keep_simple_symlinks) = @_; + my $part; + + $file = $b_keep_simple_symlinks ? common::expand_symlinks_but_simple("$::prefix$file") : expand_symlinks("$::prefix$file"); + unless ($file =~ s/^$::prefix//) { + my $part = find { loopback::carryRootLoopback($_) } @$fstab or die; + log::l("found $part->{mntpoint}"); + $file =~ s|/initrd/loopfs|$part->{mntpoint}|; + } + foreach (@$fstab) { + my $m = $_->{mntpoint}; + $part = $_ if + $file =~ /^\Q$m/ && + (!$part || length $part->{mntpoint} < length $m); + } + $part or die "file2part: not found $file"; + $file =~ s|$part->{mntpoint}/?|/|; + ($part, $file); +} + +sub mntpoint2part { + my ($mntpoint, $fstab) = @_; + find { $mntpoint eq $_->{mntpoint} } @$fstab; +} +sub has_mntpoint { + my ($mntpoint, $all_hds) = @_; + mntpoint2part($mntpoint, [ really_all_fstab($all_hds) ]); +} +sub root_ { + my ($fstab, $o_boot) = @_; + $o_boot && mntpoint2part("/boot", $fstab) || mntpoint2part("/", $fstab); +} +sub root { &root_ || {} } + +sub up_mount_point { + my ($mntpoint, $fstab) = @_; + while (1) { + $mntpoint = dirname($mntpoint); + $mntpoint ne "." or return; + $_->{mntpoint} eq $mntpoint and return $_ foreach @$fstab; + } +} |