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

From: Weiny, Ira
Date: Tue Nov 12 2019 - 12:10:03 EST


>
> 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.

Obviously I was not clear enough. The point is to have 2 fewer a_ops functions to worry about synchronizing.

I see Jan already replied. So I'll leave it at that.

Ira