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

On Fri, Jun 09, 2006 at 07:28:22PM +0400, Alex Tomas wrote:
>  JG> "ext3" will become more and more meaningless.  It could mean _any_ of 
>  JG> several filesystem metadata variants, and the admin will have no clue 
>  JG> which variant they are talking to until they try to mount the blkdev 
>  JG> (and possibly fail the mount).
> 
> debugfs <dev> -R stats | grep features ?

... a simple and intuitive command which just trips off the tongue.

I want extents, but I'm still unconvinced that ext3 needs to grow beyond
32-bit blocks.  The scheme posted by Val and Arjan (with the
continuation inodes) seems much neater.