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

From: Matthew Wilcox
Date: Fri Jun 09 2006 - 11:30:11 EST


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.
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