Bug#462461: support for ext4

[Otavio Salvador]

Robert Millan <rmh at aybabtu.com> writes:

> Now about support for ext4 itself...
>
> On Fri, Jan 25, 2008 at 02:45:27PM +0100, Idzi wrote:
>> > On a sidenote, can you tell me more about ext4?  Does Linux 2.6.24 automaticaly
>> > add ext4 extensions to your existing ext3 partitions, or did you make them (or
>> > migrate them) explicitly via mke2fs/tune2fs or so?
>> 
>> In the simplest possible way,   « mount -t ext4dev /dev/sda1 »  but it's irreversible ... the option extents is default now .
>
> Ok.  What would help is if you can provide a (small) filesystem image that
> reproduces the problem, and report that to grub-devel at gnu.org.  There are
> people more clued than me about ext[234]fs internals in that list, and
> possibly someone will pick this up.

What I didn't get is:

 - partition layout

   If /boot is on ext4, it's expected that it fail since grub2 isn't
   suppose to have ext4 support/testing yet however if it isn't, the
   grub2 isn't really involved since the kernel itself handles it
   later.

 - why tag it critical?

   ext4 is still a development filesystem with changing data format on
   disk and I doubt someone will be willing to work on grub2 support
   while it's in this state;

 - there's any other bootloader that works with it?

-- 
        O T A V I O    S A L V A D O R
---------------------------------------------
 E-mail: otavio at debian.org      UIN: 5906116
 GNU/Linux User: 239058     GPG ID: 49A5F855
 Home Page: http://otavio.ossystems.com.br
---------------------------------------------
"Microsoft sells you Windows ... Linux gives
 you the whole house."