Re: [Ext2-devel] [RFC 0/13] extents and 48bit ext3

["Jeff Anderson-Lee" <jonah@eecs.berkeley.edu>]

Linus Torvalds wrote:
> On Fri, 9 Jun 2006, Alex Tomas wrote:
>  
> > I believe it's as stable as before until you mount with extents
> > mount option.
>    
> In contrast, the last time two different filesystems introduced bugs in 
> each other was approximately "never". They simply don't modify each others

> code, they don't look at each others data structures, and they don't jump 
> into each others routines.

As an interested bystander (and large filesystem user), I'd say I tend to 
agree with Linus and Jeff on this one.

* ext3 is arguably the main Linux filesystem: too important to keep 
  "experimenting" with.

* I'd encourage a >2TB version, but call it ext4.  It makes it clear
  that you are entering new territory.

* Take advantage of the switch to remove some of the backward compatibility
  cruft from the ext4 version -- make it a clean, explicit break.

* [Possibly even inoculate ext3 against creeping featuris and work on 
  cleanup and optimization instead.]

This is not intended to slight the work/position of the ext3 developers,
merely to inform them of an end-user's perspective.

----
Jeff Anderson-Lee
Petabyte Storage Infrastructure Project
University of California Berkeley
"Simplify, simplify, simplify." -- Henry David Thoreau 
"I think one 'simplify' would have sufficed." -- Ralph Waldo Emerson 

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