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This is the beginnings of non-root ext2 root_fs creation with Erick Anderson's

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most recently revised genext2fs.
This commit is contained in:
freesource 2001-10-31 06:51:59 +00:00
parent 22300ca6bf
commit 2726b68559
2 changed files with 56 additions and 20 deletions
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73
BootRoot/Yard.pm
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@ -792,44 +792,56 @@ sub create_filesystem {
my $file;
my $error;
my $fs_type = (split(/\s/,$main::makefs))[0];
info(0, "Creating root filesystem.\n");
info(0, "Description: $fs_size K ext2 file system\n");
info(0, "Description: $fs_size K root file system\n");
info(0, "Where: $device\n");
sync();
sys("dd if=/dev/zero of=$device bs=1k count=$fs_size");
sync();
# Maybe other fs will be represented in the future, but genext2fs is all
# that exists now for non-root users.
if ( $fs_type ne "genext2fs" ) {
if (-f $device) {
##### If device is a plain file, it means we're using some loopback
##### device. Use -F switch in mke2fs so it won't complain.
## Options here can be changed.
## Originally, this was -b 1024 switched with the inode approach.
sync();
sys("dd if=/dev/zero of=$device bs=1k count=$fs_size");
sync();
if (-f $device) {
##### If device is a plain file, it means we're using some
##### loopback device. Use -F switch in mke2fs so it
##### won't complain.
## Options here can be changed.
## Originally, this was -b 1024 switched with the inode approach.
if (sys("$main::makefs $device $fs_size") !~
/^0$/ ) {
my $fs_type = (split(/\s/,$main::makefs))[0];
$error = error("Can not $fs_type filesystem.");
return "ERROR" if $error && $error eq "ERROR";
}
} else {
} else {
if (sys("$main::makefs $device $fs_size") !~
/^0$/ ) {
my $fs_type = (split(/\s/,$main::makefs))[0];
$error = error("Can not $fs_type filesystem.");
return "ERROR" if $error && $error eq "ERROR";
}
}
}
if (!-d $mount_point) {
return "ERROR" if errmk(sys("mkdir $mount_point")) == 2;
}
return "ERROR" if errm(mount_device($device,$mount_point)) == 2;
##### lost+found on a ramdisk is pointless
sys("rm -rf $mount_point/lost+found");
sync();
if ( $fs_type ne "genext2fs" ) {
return "ERROR" if errm(mount_device($device,$mount_point)) == 2;
##### lost+found on a ramdisk is pointless
sys("rm -rf $mount_point/lost+found");
sync();
}
##### Setting up the file structure is tricky. Given a tangled set
##### of symbolic links and directories, we have to create the
@ -960,11 +972,32 @@ sub create_filesystem {
sys("ldconfig -v -r $mount_point");
}
## Probably will want to umount here
return "ERROR" if errum(sys("umount $mount_point")) == 2;
info(0, "\nDone making the root filesystem. $Warnings warnings.\n",
"$device is now umounted from $mount_point\n\n");
if ( $fs_type ne "genext2fs" ) {
## Probably will want to umount here
return "ERROR" if errum(sys("umount $mount_point")) == 2;
}
# This is fun.
else {
# The -D option is unique to the newest unreleased version of
# genextfs modified by BusyBox maintainer Erick Andersen
# August 20, 2001.
my $device_table; # to be removed once device table creation is
# added.
if (
sys("$main::makefs -b $fs_size -d $mount_point -D $device_table $device") !~
/^0$/ ) {
$error = error("Can not $fs_type filesystem.");
return "ERROR" if $error && $error eq "ERROR";
}
}
info(0, "\nDone making the root filesystem. $Warnings warnings.\n",
"$device is now umounted from $mount_point\n\n");
#info(0, "All done!\n");
#info(0, "You can run more tests with the UML kernel\n",

3
BootRoot/YardBox.pm
View File

@ -276,6 +276,9 @@ sub file_system {
# Editor and execute options
label("Filesystem Command:",0,1,0,1,$table_filesystem);
my $fs1 = entry(1,3,0,1,2,$table_filesystem);
if ( $> != 0 && -e "/usr/lib/bootroot/genext2fs" ) {
$main::makefs = "genext2fs -i8192";
}
$fs1->set_text($main::makefs);
$table_filesystem->set_row_spacing( 0, 2);