Re: [PATCH][RFC] fast file mapping for loop

[Christoph Hellwig]

On Thu, Jan 10, 2008 at 09:44:57AM +0100, Jens Axboe wrote:
> > IMHO this shouldn't be done in the loop driver anyway.  Filesystems have
> > their own effricient extent lookup trees (well, at least xfs and btrfs
> > do), and we should leverage that instead of reinventing it.
> 
> Completely agree, it's just needed right now for this solution since all
> we have is a crappy bmap() interface to get at those mappings.

So let's fix the interface instead of piling crap ontop of it.  As I
said I think Peter has something to start with so let's beat on it
until we have something suitable.   If we aren't done by end of Feb
I'm happy to host a hackfest to get it sorted around the fs/storage
summit..

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