Re: [PATCH 2/2] fs: Move swap_[de]activate to file_operations

[Christoph Hellwig]

On Mon, Nov 11, 2019 at 04:34:52PM -0800, ira.weiny@xxxxxxxxx wrote:
> From: Ira Weiny <ira.weiny@xxxxxxxxx>
> 
> swap_activate() and swap_deactivate() have nothing to do with
> address spaces.  We want to eventually make the address space operations
> dynamic to switch inode flags on the fly.  So to simplify this code as
> well as properly track these operations we move these functions to the
> file_operations vector.

What is the point?  If we switch aops for DAX vs not we might as well
switch file operations as well, as they pretty much are entirely
different.