Re: [PATCH v3 9/9] mm: Remove swap BIO paths and only use DIO paths

From: Matthew Wilcox
Date: Sat Sep 25 2021 - 10:57:36 EST

On Fri, Sep 24, 2021 at 06:19:23PM +0100, David Howells wrote:
> Delete the BIO-generating swap read/write paths and always use ->swap_rw().
> This puts the mapping layer in the filesystem.

Is SWP_FS_OPS now unused after this patch?

Also, do we still need ->swap_activate and ->swap_deactivate?