[gsoc] HTree Directory Index and Journal in ext2fs

[Ivan Voras]

On 05/04/2011 15:48, gnehzuil wrote:
> Hello,
>
> I would like to apply a new project "HTree Directory Index and Journal
> in ext2fs" in GSoC 2011. This project is not in ideas page. But this
> project can improve ext2fs in FreeBSD.
>
> Last year, I have participated GSoC 2010 and have implemented a
> preallocation algorithm in ext2fs and make it can read ext4 file system
> in read-only mode. I have try to read htree dir index in ext4 read-only
> mode. Yet I don't finish it. I am plan to implement a htree dir index in
> ext2fs before midterm evaluation.
>
> Next I will try to implement journal in ext2fs. I think I can borrow
> some ideas from WAPBL in NetBSD.

When you say 'journal in ext2fs' do you mean ext3-compatible or 
something different entirely? I don't think that a journalling addition 
to our ext2fs which would not make it compatible with ext3 would be useful.