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

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On Mon 11-11-19 16:43:20, Andrew Morton wrote:
> On Mon, 11 Nov 2019 16:34:52 -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.
> 
> What does this mean?

See my reply to Christoph [1]. Ira wants to make switching inodes between
DAX and non-DAX mode work which means switching also
address_space_operations pointer in the mapping. 

								Honza

[1] lore.kernel.org/r/20191112133055.GI1241@xxxxxxxxxxxxxx

-- 
Jan Kara <jack@xxxxxxxx>
SUSE Labs, CR



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