Re: 2.5 merge candidate list, final version. (End of "crunch

[Andrew Morton]

Jeff Garzik wrote:
> 
> Hans Reiser wrote:
> 
> > We are going to submit a patch appropriate for inclusion as an
> > experimental FS on Halloween.   I hope you will forgive our pushing
> > the limit timewise, it is not by choice, but the algorithms we used to
> > more than double reiserfs V3 performance were, quite frankly, hard to
> > code.
> 
> Does your merge change the core code at all?  Does it add new syscalls?
> 

Their changes are tiny, and sensible.  See
http://www.namesys.com/snapshots/2002.10.29/

But I'd like to ask about the status of reiser3 support.

Chris had patches *ages* ago to convert it to use direct-to-BIO for
reads, and writes should be done as well.  reiserfs3 is still using
buffer-head-based IO for bulk reads and writes.  That's a 25-30% hit
in CPU cost, and all the old ZONE_NORMAL-full-of-buffer_heads
problems.

Any plans to get that work finished off?