diff options
Diffstat (limited to 'perl-install/fs/format.pm')
| -rw-r--r-- | perl-install/fs/format.pm | 195 | 
1 files changed, 162 insertions, 33 deletions
| diff --git a/perl-install/fs/format.pm b/perl-install/fs/format.pm index 6e4568da7..1fa90c29e 100644 --- a/perl-install/fs/format.pm +++ b/perl-install/fs/format.pm @@ -1,4 +1,4 @@ -package fs::format; # $Id: format.pm 268842 2010-05-17 06:54:44Z pterjan $ +package fs::format;  use diagnostics;  use strict; @@ -10,30 +10,57 @@ use fs::type;  use fs::loopback;  use log; +=head1 SYNOPSYS + +B<fs::format> enables to format filesystems. + +=head1 Variables + +=over + +=item %cmds + +Commands to format filesystem: + +For each filesystem, list: [ package_name, command_to_use, options_to_use ] + +=cut +  my %cmds = (      ext2     => [ 'e2fsprogs', 'mkfs.ext2', '-F' ],      ext3     => [ 'e2fsprogs', 'mkfs.ext3', '-F' ],      ext4     => [ 'e2fsprogs', 'mkfs.ext4', '-F' ], +    f2fs     => [ 'f2fs-tools', 'mkfs.f2fs', '-f' ],      reiserfs => [ 'reiserfsprogs', 'mkfs.reiserfs', '-ff' ], -    reiser4  => [ 'reiser4progs', 'mkfs.reiser4', '-f', '-y' ],      xfs      => [ 'xfsprogs', 'mkfs.xfs', '-f', '-q' ],      jfs      => [ 'jfsutils', 'mkfs.jfs', '-f' ],      hfs      => [ 'hfsutils', 'hformat' ], -    dos      => [ 'dosfstools', 'mkdosfs' ], -    vfat     => [ 'dosfstools', 'mkdosfs', '-F', '32' ], +    dos      => [ 'dosfstools', 'mkfs.fat' ], +    vfat     => [ 'dosfstools', 'mkfs.fat', '-F', '32' ], +    exfat    => [ 'exfatprogs', 'mkfs.exfat' ],      swap     => [ 'util-linux', 'mkswap' ], -    ntfs     => [ 'ntfsprogs', 'mkntfs', '--fast' ], -   'ntfs-3g' => [ 'ntfsprogs', 'mkntfs', '--fast' ], -    btrfs    => [ 'btrfs-progs', 'mkfs.btrfs' ], -    nilfs2   => [ 'nilfs-utils', 'mkfs.nilfs2' ], +    ntfs     => [ 'ntfs-3g', 'mkfs.ntfs', '--fast' ], +   'ntfs-3g' => [ 'ntfs-3g', 'mkfs.ntfs', '--fast' ], +    btrfs    => [ 'btrfs-progs', 'mkfs.btrfs', '-f' ], +    nilfs2   => [ 'nilfs-utils', 'mkfs.nilfs2', '-f' ],  ); -my %LABELs = ( #- option, length, handled_by_mount + +=item %LABELs + +mkfs option to use in order to set the label + label specs. + +For each filesystem, list: [ option, max_length, handled_by_mount ] + +=cut + +my %LABELs = (      ext2     => [ '-L', 16, 1 ],      ext3     => [ '-L', 16, 1 ],      ext4     => [ '-L', 16, 1 ], +    exfat    => [ '-L', 16, 1 ], +    f2fs     => [ '-l', 16, 1 ],      reiserfs => [ '-l', 16, 1 ], -    reiser4  => [ '-L', 16, 1 ],      xfs      => [ '-L', 12, 1 ],      jfs      => [ '-L', 16, 1 ],      hfs      => [ '-l', 27, 0 ], @@ -46,34 +73,63 @@ my %LABELs = ( #- option, length, handled_by_mount      nilfs2   => [ '-L', 16, 1 ],  ); -my %edit_LABEL = ( # package, command, option -# If option is defined, run <command> <option> <label> <device> -# If no option, run <command> <device> <label> +=item %edit_LABEL + +Commands to set the file system label. + +For each filesystem, list: [ package, command, option ] + +If option is defined, run <command> <option> <label> <device> + +If no option, run <command> <device> <label> + +=cut + +my %edit_LABEL = ( #       ext2     => [ 'e2fsprogs', 'tune2fs', '-L' ],      ext3     => [ 'e2fsprogs', 'tune2fs', '-L' ],      ext4     => [ 'e2fsprogs', 'tune2fs', '-L' ],      reiserfs => [ 'reiserfsprogs', 'reiserfstune', '-l' ], -#    reiser4      xfs      => [ 'xfsprogs', 'xfs_admin', '-L' ],      jfs      => [ 'jfsutils', 'jfs_tune', '-L' ],  #    hfs      dos      => [ 'mtools', 'mlabel', '-i' ], +    exfat    => [ 'exfatprogs', 'tune.exfat', '-L' ],      vfat     => [ 'mtools', 'mlabel', '-i' ],      swap     => [ 'util-linux', 'swaplabel', '-L' ], -    ntfs     => [ 'ntfsprogs', 'ntfslabel' ], -   'ntfs-3g' => [ 'ntfsprogs', 'ntfslabel' ], -    btrfs => [ 'btrfs-progs', 'btrfs', 'filesystem', 'label' ], -    nilfs2 => [ 'nilfs-utils', 'nilfs-tune', '-L' ], +    ntfs     => [ 'ntfs-3g', 'ntfslabel' ], +   'ntfs-3g' => [ 'ntfs-3g', 'ntfslabel' ], +    btrfs    => [ 'btrfs-progs', 'btrfs', 'filesystem', 'label' ], +    nilfs2   => [ 'nilfs-utils', 'nilfs-tune', '-L' ],  ); -# Preserve UUID on fs where we couldn't enforce it while formatting -my %preserve_UUID = ( # package, commande -    #btrfs    => [ 'btrfs-progs', 'FIXME' ], +=item %preserve_UUID + +For each filesystem, list: [ option, max_length, handled_by_mount ] + +Those are used in order to preserve UUID on fs where we couldn't enforce it while formatting. + +=cut + +my %preserve_UUID = ( # package, command      jfs      => [ 'jfsutils', 'jfs_tune', ],      xfs      => [ 'xfsprogs', 'xfs_admin' ],      nilfs2   => [ 'nilfs-utils', 'nilfs-tune' ],  ); -  + + +=back + +=head1 Functions + +=over + +=item package_needed_for_partition_type($part) + +Return the package needed for that partition's type. + +=cut +  sub package_needed_for_partition_type {      my ($part) = @_;      my $l = $cmds{$part->{fs_type}} or return; @@ -104,6 +160,12 @@ sub canEditLabel {      to_bool($edit_LABEL{$part->{fs_type}});  } +=item part($all_hds, $part, $wait_message) + +Frontend to part_raw() + +=cut +  sub part {      my ($all_hds, $part, $wait_message) = @_;      if (isRAID($part)) { @@ -117,8 +179,15 @@ sub part {  	$wait_message->(N("Formatting partition %s", $part->{device})) if $wait_message;  	part_raw($part, $wait_message);      } +    undef $part->{toFormat};  } +=item write_label($part) + +Set the label on the filesystem hold in $part. + +=cut +  sub write_label {      my ($part) = @_; @@ -146,6 +215,36 @@ sub write_label {      delete $part->{device_LABEL_changed};  } +sub write_btrfs_uuid { +    my ($UUID, $dev) = @_; +    $dev = devices::make($dev); +    my $status = system("echo y|btrfstune -U $UUID $dev") == 0; +    die "failed to set UUID to '$UUID' on $dev (status=$status)" if !$status; +} + +=item sub option_to_preserve_UUID_while_formating($part, $fs_type) + +Return the options needed to preserve UUID while formating + +=cut + +sub option_to_preserve_UUID_while_formating { +    my ($part, $fs_type) = @_; +    if (member($fs_type, qw(swap ext2 ext3 ext4))) { +	return '-U', $part->{device_UUID} if $part->{device_UUID}; +    } elsif ($fs_type eq 'reiserfs') { +	return '-u', $part->{device_UUID} if $part->{device_UUID}; +    } +    return (); +} + +=item part_raw($part, $wait_message) + +Actually format the $part partition disk. $wait_message is only used when formating ext3/4. +If not set, ext[3-4] will be formated without any progression bar, like other fses... + +=cut +  sub part_raw {      my ($part, $wait_message) = @_; @@ -172,13 +271,8 @@ sub part_raw {  	push @options, '-l', 'bootstrap';      } -    # Preserve UUID -    if (member($fs_type, 'swap', 'ext2', 'ext3', 'ext4')) { -	push @options, '-U', $part->{device_UUID} if $part->{device_UUID}; -    } elsif ($fs_type eq 'reiserfs') { -	push @options, '-u', $part->{device_UUID} if $part->{device_UUID}; -    } - +    push @options, option_to_preserve_UUID_while_formating($part, $fs_type); +          if ($part->{device_LABEL}) {  	push @options, @{$LABELs{$fs_type}}[0], $part->{device_LABEL};      } @@ -195,10 +289,8 @@ sub part_raw {      delete $part->{device_LABEL_changed}; -    # Preserve UUID on fs where we couldn't enforce it while formatting -    (undef, $cmd) = @{$preserve_UUID{$fs_type}}; -    run_program::raw($cmd, '-U', devices::make($dev)) if $cmd; -     +    preserve_UUID_after_format($dev, $part, $fs_type); +      if (member($fs_type, qw(ext3 ext4))) {  	disable_forced_fsck($dev);      } @@ -206,6 +298,28 @@ sub part_raw {      after_formatting($part);  } +=item preserve_UUID_after_format($dev, $part, $fs_type) + +Preserve UUID on fs where we couldn't enforce it while formatting + +=cut + +sub preserve_UUID_after_format { +    my ($dev, $part, $fs_type) = @_; +    if (my $uuid_cmd = $preserve_UUID{$fs_type}) { +	my (undef, $cmd) = @$uuid_cmd; +	run_program::raw({}, $cmd, '-U', $part->{device_UUID}, devices::make($dev)) if $cmd; +    } elsif ($fs_type eq 'btrfs' && $part->{device_UUID}) { +	write_btrfs_uuid($part->{device_UUID}, $dev); +    } +} + +=item after_formatting($part) + +Misc post formating tags (rereading UUID & setting state) + +=cut +  sub after_formatting {      my ($part) = @_; @@ -215,6 +329,12 @@ sub after_formatting {      set_isFormatted($part, 1);  } +=item mkfs_ext3($wait_message, @args) + +Display a progression bar whike formating ext3/4 + +=cut +  sub mkfs_ext3 {      my ($wait_message, @args) = @_; @@ -231,6 +351,12 @@ sub mkfs_ext3 {      return close($F);  } +=item disable_forced_fsck($dev) + +Disable automatic fsck on extX (infinite number of mounts & duration between 2 fsck runs) + +=cut +  sub disable_forced_fsck {      my ($dev) = @_;      run_program::run("tune2fs", "-c0", "-i0", devices::make($dev)); @@ -302,5 +428,8 @@ sub formatMount_all {      };  } +=back + +=cut  1; | 
