[PATCH 02/10] block: copy bip_max_vcnt vecs instead of bip_vcnt during clone

[Christoph Hellwig]

On Tue, Apr 30, 2024 at 09:25:38AM +0100, Keith Busch wrote:
> > I think we need to do something like that - just hiding the bounce
> > buffer is not really maintainable once we get multiple levels of stacking
> > and other creative bio cloning.
> 
> Not sure I follow that. From patches 2-4 here, I think that pretty much
> covers it. It's just missing a good code comment, but the implementation
> side looks complete for any amount of stacking and splitting.

I can't see how it would work, but I'll gladly wait for a better
description.