On Tue, 29 May 2001, Chuck Silvers wrote:

> hi bill,
> 
> I'll leave the struct lock pointer in for now, but the discussion is
> interesting.  how do you propose to use this pointer for anything
> when underlying filesystems are not required to supply it? it seems
> to me that the relationships between layers cannot be expressed
> using just a pointer to a struct lock.  I can believe that we'll
> end up with a pointer to stacking info in the vnode, but that info
> be more than just a lock.

Hmmm... I think you're right. We will eventually need to add a stacking
info struct, and make these pointers point to it.

Take care,

Bill