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author | Mystery Man <unknown@mandriva.org> | 2000-11-08 00:01:16 +0000 |
---|---|---|
committer | Mystery Man <unknown@mandriva.org> | 2000-11-08 00:01:16 +0000 |
commit | d5c526273db473a7d87a26000585900fc10dda7d (patch) | |
tree | 0fdaabe7a00921b6cc556601b103d344fc7ac781 /perl-install/fs.pm | |
parent | 9c164312d4bfff6d93e1c4529de6b992f2bebc44 (diff) | |
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This commit was manufactured by cvs2svn to create branch
'unlabeled-1.1.1'.
Diffstat (limited to 'perl-install/fs.pm')
-rw-r--r-- | perl-install/fs.pm | 414 |
1 files changed, 104 insertions, 310 deletions
diff --git a/perl-install/fs.pm b/perl-install/fs.pm index 3d9628071..cf29fe014 100644 --- a/perl-install/fs.pm +++ b/perl-install/fs.pm @@ -3,7 +3,7 @@ package fs; use diagnostics; use strict; -use common qw(:common :file :system :functional); +use common qw(:common :file :system); use log; use devices; use partition_table qw(:types); @@ -12,40 +12,24 @@ use nfs; use swap; use detect_devices; use commands; -use modules; -use raid; -use loopback; 1; -sub add_options(\$@) { - my ($option, @options) = @_; - my %l; @l{split(',', $$option), @options} = (); delete $l{defaults}; - $$option = join(',', keys %l) || "defaults"; -} sub read_fstab($) { my ($file) = @_; local *F; open F, $file or return; - + map { - my ($dev, @l) = split; + my ($dev, $mntpoint, @l) = split ' '; $dev =~ s,/(tmp|dev)/,,; - { device => $dev, mntpoint => $l[0], type => $l[1], options => $l[2] } + while (@l > 4) { $mntpoint .= " " . shift @l; } + { device => $dev, mntpoint => $mntpoint, type => $l[0], options => $l[1] } } <F>; } -sub up_mount_point { - my ($mntpoint, $fstab) = @_; - while (1) { - $mntpoint = dirname($mntpoint); - $mntpoint ne "." or return; - $_->{mntpoint} eq $mntpoint and return $_ foreach @$fstab; - } -} - sub check_mounted($) { my ($fstab) = @_; @@ -55,7 +39,7 @@ sub check_mounted($) { open H, "/proc/swaps"; foreach (<F>, <G>, <H>) { foreach my $p (@$fstab) { - /$p->{device}\s+([^\s]*)\s+/ and $p->{realMntpoint} = $1, $p->{isMounted} = $p->{isFormatted} = 1; + /$p->{device}\s/ and $p->{isMounted} = 1; } } } @@ -68,202 +52,94 @@ sub get_mntpoints_from_fstab($) { $p->{device} eq $_->{device} or next; $p->{mntpoint} ||= $_->{mntpoint}; $p->{options} ||= $_->{options}; - $_->{type} ne 'auto' && $_->{type} ne type2fs($p->{type}) and + $_->{type} ne 'auto' && $_->{type} ne type2fs($p->{type}) and log::l("err, fstab and partition table do not agree for $_->{device} type: " . (type2fs($p->{type}) || type2name($p->{type})) . " vs $_->{type}"); } } } -#- mke2fs -b (1024|2048|4096) -c -i(1024 > 262144) -N (1 > 100000000) -m (0-100%) -L volume-label -#- tune2fs -sub format_ext2($@) { - my ($dev, @options) = @_; - - $dev =~ m,(rd|ida)/, and push @options, qw(-b 4096 -R stride=16); #- For RAID only. - push @options, qw(-b 1024 -O none) if arch() =~ /alpha/; - - run_program::run("mke2fs", @options, devices::make($dev)) or die _("%s formatting of %s failed", "ext2", $dev); -} - -sub format_reiserfs($@) { - my ($dev, @options) = @_; - - run_program::run("mkreiserfs", "-f", @options, devices::make($dev)) or die _("%s formatting of %s failed", "reiserfs", $dev); -} +sub format_ext2($;$) { + my ($dev, $bad_blocks) = @_; + my @options; -sub format_dos($@) { - my ($dev, @options) = @_; + $dev =~ m,(rd|ida)/, and push @options, qw(-b 4096 -R stride=16); # For RAID only. + $bad_blocks and push @options, "-c"; - run_program::run("mkdosfs", @options, devices::make($dev)) or die _("%s formatting of %s failed", "dos", $dev); + run_program::run("mke2fs", devices::make($dev), @options) or die "ext2 formatting of $dev failed"; } -sub format_hfs($@) { - my ($dev, @options) = @_; +sub format_dos($;$) { + my ($dev, $bad_blocks) = @_; - run_program::run("hformat", @options, devices::make($dev)) or die _("%s formatting of %s failed", "HFS", $dev); + run_program::run("mkdosfs", devices::make($dev), $bad_blocks ? "-c" : ()) or die "dos formatting of $dev failed"; } -sub real_format_part { - my ($part) = @_; +sub format_part($;$) { + my ($part, $bad_blocks) = @_; $part->{isFormatted} and return; - my @options = $part->{toFormatCheck} ? "-c" : (); - log::l("formatting device $part->{device} (type ", type2name($part->{type}), ")"); - if (isExt2($part)) { - push @options, "-F" if isLoopback($part); - format_ext2($part->{device}, @options); - } elsif (isReiserfs($part)) { - format_reiserfs($part->{device}, @options); + format_ext2($part->{device}, $bad_blocks); } elsif (isDos($part)) { - format_dos($part->{device}, @options); - } elsif (isWin($part)) { - format_dos($part->{device}, @options, '-F', 32); - } elsif (isHFS($part)) { - format_hfs($part->{device}, @options, '-l', "Untitled"); + format_dos($part->{device}, $bad_blocks); } elsif (isSwap($part)) { - my $check_blocks = grep { /^-c$/ } @options; - swap::make($part->{device}, $check_blocks); + swap::make($part->{device}, $bad_blocks); } else { - die _("I don't know how to format %s in type %s", $_->{device}, type2name($_->{type})); + die "don't know how to format $_->{device} in type " . type2name($_->{type}); } $part->{isFormatted} = 1; } -sub format_part { - my ($raid, $part, $prefix) = @_; - if (raid::is($part)) { - raid::format_part($raid, $part); - } elsif (isLoopback($part)) { - loopback::format_part($part, $prefix); - } else { - real_format_part($part); - } -} - -sub formatMount_part { - my ($part, $raid, $fstab, $prefix, $callback) = @_; - - if (isLoopback($part)) { - formatMount_part($part->{device}, $raid, $fstab, $prefix, $callback); - } - if (my $p = up_mount_point($part->{mntpoint}, $fstab)) { - formatMount_part($p, $raid, $fstab, $prefix, $callback) unless loopback::carryRootLoopback($part); - } - - if ($part->{toFormat}) { - $callback->($part) if $callback; - format_part($raid, $part, $prefix); - } - mount_part($part, $prefix); -} - -sub formatMount_all { - my ($raid, $fstab, $prefix, $callback) = @_; - formatMount_part($_, $raid, $fstab, $prefix, $callback) - foreach sort { isLoopback($a) ? 1 : isSwap($a) ? -1 : 0 } grep { $_->{mntpoint} } @$fstab; - - #- ensure the link is there - loopback::carryRootCreateSymlink($_, $prefix) foreach @$fstab; - - #- for fun :) - #- that way, when install exits via ctrl-c, it gives hand to partition - eval { - local $SIG{__DIE__} = 'ignore'; - my ($type, $major, $minor) = devices::entry(fsedit::get_root($fstab)->{device}); - output "/proc/sys/kernel/real-root-dev", makedev($major, $minor); - }; -} sub mount($$$;$) { - my ($dev, $where, $fs, $rdonly) = @_; + my ($dev, $where, $fs, $rdonly) = @_; log::l("mounting $dev on $where as type $fs"); - + + $::testing and return; + -d $where or commands::mkdir_('-p', $where); - + if ($fs eq 'nfs') { log::l("calling nfs::mount($dev, $where)"); - nfs::mount($dev, $where) or die _("nfs mount failed"); + nfs::mount($dev, $where) or die "nfs mount failed"; } elsif ($fs eq 'smb') { die "no smb yet..."; - } else { - $dev = devices::make($dev) if $fs ne 'proc'; - - my $flag = c::MS_MGC_VAL(); - $flag |= c::MS_RDONLY() if $rdonly; - my $mount_opt = ""; - - if ($fs eq 'vfat') { - $mount_opt = 'check=relaxed'; - eval { modules::load('vfat') }; #- try using vfat - eval { modules::load('msdos') } if $@; #- otherwise msdos... - } elsif ($fs eq 'ufs') { - eval { modules::load('ufs') }; - } elsif ($fs eq 'reiserfs') { - #- could be better if we knew if there is a /boot or not - #- without knowing it, / is forced to be mounted with notail - $mount_opt = 'notail' if $where =~ m|/(boot)?$|; - eval { modules::load('reiserfs') }; - } elsif ($fs eq 'romfs') { - eval { modules::load('romfs') }; - } - - $where =~ s|/$||; - log::l("calling mount($dev, $where, $fs, $flag, $mount_opt)"); - syscall_('mount', $dev, $where, $fs, $flag, $mount_opt) or die _("mount failed: ") . "$!"; } + $dev = devices::make($dev); + + my $flag = 0;#c::MS_MGC_VAL(); + $flag |= c::MS_RDONLY() if $rdonly; + my $mount_opt = $fs eq 'vfat' ? "check=relaxed" : ""; + + log::l("calling mount($dev, $where, $fs, $flag, $mount_opt)"); + syscall_('mount', $dev, $where, $fs, $flag, $mount_opt) or die "mount failed: $!"; + local *F; - open F, ">>/etc/mtab" or return; #- fail silently, must be read-only /etc + open F, ">>/etc/mtab" or return; # fail silently, must be read-only /etc print F "$dev $where $fs defaults 0 0\n"; } -#- takes the mount point to umount (can also be the device) -sub umount($) { +# takes the mount point to umount (can also be the device) +sub umount($) { my ($mntpoint) = @_; - log::l("calling umount($mntpoint)"); - syscall_('umount', $mntpoint) or die _("error unmounting %s: %s", $mntpoint, "$!"); + syscall_('umount', $mntpoint) or die "error unmounting $mntpoint: $!";; - my @mtab = cat_('/etc/mtab'); #- don't care about error, if we can't read, we won't manage to write... (and mess mtab) + my @mtab = cat_('/etc/mtab'); # don't care about error, if we can't read, we won't manage to write... (and mess mtab) local *F; open F, ">/etc/mtab" or return; foreach (@mtab) { print F $_ unless /(^|\s)$mntpoint\s/; } } -sub mount_part($;$$) { - my ($part, $prefix, $rdonly) = @_; - - if ($part->{realMntpoint} eq "/tmp/hdimage") { - my $dir = "$prefix$part->{mntpoint}"; - $dir =~ s|/+$||; - log::l("special hd case ($dir)"); - rmdir $dir; - symlink "/tmp/hdimage", $dir; - return; - } - #- root carrier's link can't be mounted - loopback::carryRootCreateSymlink($part, $prefix); - - return if $part->{isMounted}; - - unless ($::testing) { - if (isSwap($part)) { - swap::swapon(isLoopback($part) ? $prefix . loopback::file($part) : $part->{device}); - } else { - $part->{mntpoint} or die "missing mount point"; - - my $dev = $part->{device}; - my $mntpoint = ($prefix || '') . $part->{mntpoint}; - if (isLoopback($part)) { - eval { modules::load('loop') }; - $dev = $part->{real_device} = devices::set_loop($prefix . loopback::file($part)) || die; - } elsif (loopback::carryRootLoopback($part)) { - $mntpoint = "/initrd/loopfs"; - } - mount(devices::make($dev), $mntpoint, type2fs($part->{type}), $rdonly); - rmdir "$mntpoint/lost+found"; - } - } - $part->{isMounted} = $part->{isFormatted} = 1; #- assume that if mount works, partition is formatted +sub mount_part($;$) { + my ($part, $prefix) = @_; + + $part->{isMounted} and return; + $part->{mntpoint} or die "missing mount point"; + + isSwap($part) ? + swap::swapon($part->{device}) : + mount(devices::make($part->{device}), ($prefix || '') . $part->{mntpoint}, type2fs($part->{type}), 0); + $part->{isMounted} = 1; } sub umount_part($;$) { @@ -271,27 +147,20 @@ sub umount_part($;$) { $part->{isMounted} or return; - unless ($::testing) { - if (isSwap($part)) { - swap::swapoff($part->{device}); - } elsif (loopback::carryRootLoopback($part)) { - umount("/initrd/loopfs"); - } else { - umount(($prefix || '') . $part->{mntpoint} || devices::make($part->{device})); - c::del_loop(delete $part->{real_device}) if isLoopback($part); - } - } + isSwap($part) ? + swap::swapoff($part->{device}) : + umount(($prefix || '') . ($part->{mntpoint} || "/dev/$part->{device}")); $part->{isMounted} = 0; } -sub mount_all($;$$) { +sub mount_all($;$) { my ($fstab, $prefix) = @_; log::l("mounting all filesystems"); - #- order mount by alphabetical ordre, that way / < /home < /home/httpd... - foreach (sort { $a->{mntpoint} cmp $b->{mntpoint} } grep { $_->{mntpoint} } @$fstab) { - mount_part($_, $prefix); + # order mount by alphabetical ordre, that way / < /home < /home/httpd... + foreach (sort { $a->{mntpoint} cmp $b->{mntpoint} } @$fstab) { + $_->{mntpoint} and mount_part($_, $prefix); } } @@ -305,147 +174,72 @@ sub umount_all($;$) { } } -sub df { - my ($part, $prefix) = @_; - my $dir = "/tmp/tmp_fs_df"; - - return $part->{free} if exists $part->{free}; - - if ($part->{isMounted}) { - $dir = ($prefix || '') . $part->{mntpoint}; - } elsif ($part->{notFormatted} && !$part->{isFormatted}) { - return; #- won't even try! - } else { - mkdir $dir; - eval { mount($part->{device}, $dir, type2fs($part->{type}), 'readonly') }; - if ($@) { - unlink $dir; - return; - } - } - my (undef, $free) = common::df($dir); +# do some stuff before calling write_fstab +sub write($$) { + my ($prefix, $fstab) = @_; + my @cd_drives = detect_devices::cdroms(); - if (!$part->{isMounted}) { - umount($dir); - unlink($dir) - } + log::l("scanning /proc/mounts for iso9660 filesystems"); + unshift @cd_drives, grep { $_->{type} eq 'iso9660' } read_fstab("/proc/mounts"); + log::l("found cdrom drive(s) " . join(', ', map { $_->{device} } @cd_drives)); - $part->{free} = 2 * $free if defined $free; - $part->{free}; -} + # cd-rom rooted installs have the cdrom mounted on /dev/root which + # is not what we want to symlink to /dev/cdrom. + my $cddev = first(grep { $_ ne 'root' } map { $_->{device} } @cd_drives); -#- do some stuff before calling write_fstab -sub write($$$$) { - my ($prefix, $fstab, $manualFstab, $useSupermount) = @_; - $fstab = [ @{$fstab||[]}, @{$manualFstab||[]} ]; + $::testing and return 1; log::l("resetting /etc/mtab"); local *F; open F, "> $prefix/etc/mtab" or die "error resetting $prefix/etc/mtab"; - my ($floppy) = detect_devices::floppies(); - - my @to_add = ( - $useSupermount ? - [ split ' ', "/mnt/floppy /mnt/floppy supermount fs=vfat,dev=/dev/$floppy 0 0" ] : - [ split ' ', "/dev/$floppy /mnt/floppy auto sync,user,noauto,nosuid,nodev 0 0" ], - [ split ' ', 'none /proc proc defaults 0 0' ], - [ split ' ', 'none /dev/pts devpts mode=0620 0 0' ], - (map_index { - my $i = $::i ? $::i + 1 : ''; - mkdir "$prefix/mnt/cdrom$i", 0755;#- or log::l("failed to mkdir $prefix/mnt/cdrom$i: $!"); - symlinkf $_->{device}, "$prefix/dev/cdrom$i" or log::l("failed to symlink $prefix/dev/cdrom$i: $!"); - chown 0, 22, "$prefix/dev/$_->{device}"; - $useSupermount ? - [ "/mnt/cdrom$i", "/mnt/cdrom$i", "supermount", "fs=iso9660,dev=/dev/cdrom$i", 0, 0 ] : - [ "/dev/cdrom$i", "/mnt/cdrom$i", "auto", "user,noauto,nosuid,exec,nodev,ro", 0, 0 ]; - } detect_devices::cdroms()), - (map_index { #- for zip drives, the right partition is the 4th by default. - my $i = $::i ? $::i + 1 : ''; - mkdir "$prefix/mnt/zip$i", 0755 or log::l("failed to mkdir $prefix/mnt/zip$i: $!"); - symlinkf "$_->{device}4", "$prefix/dev/zip$i" or log::l("failed to symlink $prefix/dev/zip$i: $!"); - $useSupermount ? - [ "/mnt/zip$i", "/mnt/zip$i", "supermount", "fs=vfat,dev=/dev/zip$i", 0, 0 ] : - [ "/dev/zip$i", "/mnt/zip$i", "auto", "user,noauto,nosuid,exec,nodev", 0, 0 ]; - } detect_devices::zips())); - write_fstab($fstab, $prefix, @to_add); + if ($cddev) { + mkdir "$prefix/mnt/cdrom", 0755 or log::l("failed to mkdir $prefix/mnt/cdrom: $!"); + symlink $cddev, "$prefix/dev/cdrom" or log::l("failed to symlink $prefix/dev/cdrom: $!"); + } + write_fstab($fstab, $prefix, $cddev); } + sub write_fstab($;$$) { - my ($fstab, $prefix, @to_add) = @_; + my ($fstab, $prefix, $cddev) = @_; $prefix ||= ''; - #- get the list of devices and mntpoint to remove existing entries - #- and @to_add take precedence over $fstab to handle removable device - #- if they are mounted OR NOT during install. - my @new = grep { $_ ne 'none' } map { @$_[0,1] } @to_add; - my %new; @new{@new} = undef; - - require fsedit; - unshift @to_add, - grep { - my $b = !exists $new{$_->[0]} && !exists $new{$_->[1]}; - #- keep in mind the new line for fstab. - @new{@$_[0,1]} = undef; - $b - } map { + my @to_add = + map { my ($dir, $options, $freq, $passno) = qw(/dev/ defaults 0 0); - $options = $_->{options} || $options; - - isTrueFS($_) and ($freq, $passno) = (1, ($_->{mntpoint} eq '/') ? 1 : 2); - isNfs($_) and $dir = '', $options = $_->{options} || 'ro,nosuid,rsize=8192,wsize=8192'; - isFat($_) and $options = $_->{options} || "user,exec,umask=0"; - - require fsedit; - isReiserfs($_) && $_ == fsedit::get_root($fstab, 'boot') and add_options($options, "notail"); + $options ||= $_->{options}; - my $dev = isLoopback($_) ? - ($_->{mntpoint} eq '/' ? "/initrd/loopfs$_->{loopback_file}" : loopback::file($_)) : - ($_->{device} =~ /^\// ? $_->{device} : "$dir$_->{device}"); - - local $_->{mntpoint} = do { - $passno = 0; - "/initrd/loopfs"; - } if loopback::carryRootLoopback($_); + isExt2($_) and ($freq, $passno) = (1, ($_->{mntpoint} eq '/') ? 1 : 2); + isNfs($_) and ($dir, $options) = ('', 'ro'); + + [ "$dir$_->{device}", $_->{mntpoint}, type2fs($_->{type}), $options, $freq, $passno ]; - add_options($options, "loop") if isLoopback($_) && !isSwap($_); #- no need for loop option for swap files - - eval { devices::make("$prefix/$dev") } if $dir && !isLoopback($_); - mkdir "$prefix/$_->{mntpoint}", 0755 if $_->{mntpoint} && !isSwap($_); + } grep { $_->{mntpoint} && type2fs($_->{type}) } @$fstab; - [ $dev, $_->{mntpoint}, type2fs($_->{type}), $options, $freq, $passno ]; + { + push @to_add, [ split ' ', '/dev/fd0 /mnt/floppy auto sync,user,noauto,nosuid,nodev,unhide 0 0' ]; + push @to_add, [ split ' ', '/dev/cdrom /mnt/cdrom auto user,noauto,nosuid,exec,nodev,ro 0 0' ] if $cddev; + push @to_add, [ split ' ', 'none /proc proc defaults 0 0' ]; + push @to_add, [ split ' ', 'none /dev/pts devpts mode=0620 0 0' ]; + } - } grep { $_->{mntpoint} && type2fs($_->{type}) } @$fstab; + # get the list of devices and mntpoint + my @new = grep { $_ ne 'none' } map { @$_[0,1] } @to_add; + my %new; @new{@new} = undef; - push @to_add, - grep { !exists $new{$_->[0]} && !exists $new{$_->[1]} } - map { [ split ] } cat_("$prefix/etc/fstab"); + my @current = cat_("$prefix/etc/fstab"); log::l("writing $prefix/etc/fstab"); local *F; open F, "> $prefix/etc/fstab" or die "error writing $prefix/etc/fstab"; - print F join(" ", @$_), "\n" foreach sort { $a->[1] cmp $b->[1] } @to_add; -} - -sub merge_fstabs { - my ($fstab, $manualFstab) = @_; - my %l; $l{$_->{device}} = $_ foreach @$manualFstab; - %$_ = (%$_, %{$l{$_->{device}} || next}) foreach @$fstab; + foreach (@current) { + my ($a, $b) = split; + # if we find one line of fstab containing either the same device or mntpoint, do not write it + exists $new{$a} || exists $new{$b} and next; + print F $_; + } + foreach (@to_add) { + print F join(" ", @$_), "\n"; + } } - -#sub check_mount_all_fstab($;$) { -# my ($fstab, $prefix) = @_; -# $prefix ||= ''; -# -# foreach (sort { ($a->{mntpoint} || '') cmp ($b->{mntpoint} || '') } @$fstab) { -# #- avoid unwanted mount in fstab. -# next if ($_->{device} =~ /none/ || $_->{type} =~ /nfs|smbfs|ncpfs|proc/ || $_->{options} =~ /noauto|ro/); -# -# #- TODO fsck -# -# eval { mount(devices::make($_->{device}), $prefix . $_->{mntpoint}, $_->{type}, 0); }; -# if ($@) { -# log::l("unable to mount partition $_->{device} on $prefix/$_->{mntpoint}"); -# } -# } -#} |