tech-kern archive

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index][Old Index]

Re: GSoC ext3



On Thu, May 15, 2008 at 04:26:17PM +0800, rae l wrote:
> On Thu, May 15, 2008 at 2:45 PM, Rus-Rebreanu Alin-Florin
> <netblock%gmail.com@localhost> wrote:
> > Hi everyone,
> >  I may be a little late so my apologies. As I said in a previous email
> > my job is to implement ext3 support on NetBSD as a GSoC student.
> > My plan is to use the already available wapbl code to add journaling
> > support to the ext2fs implementation. Since wapbl code has its primary
> > target FFS some work needs to be done such that we have a more
> > abstract journaling layer (like JBD with those familiar to linux).
> > This will help when adding journaling capabilities to other
> > filesystems. At this moment wapbl supports only metadata logging but
> > in order to fully support ext3 there must also be support for
> > data=journal and data=writeback.
> I think it's a good idea to implement JBD for NB first.

Why?

We've looked at JBD in the past, and I see no reason to actually use it.  
We certainly want to write the same data to disk, and we want to be able
to read what it write, but I see no reason to use a block device 
abstraction.

Take care,

Bill

Attachment: pgpVjpjNkCfVD.pgp
Description: PGP signature



Home | Main Index | Thread Index | Old Index