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SubjectRe: [PATCH 5/7] fsdax: Dedup file range to use a compare function
On Tue, Feb 09, 2021 at 05:15:13PM +0800, Ruan Shiyang wrote:
> The dax dedupe comparison need the iomap_ops pointer as argument, so my
> understanding is that we don't modify the argument list of
> generic_remap_file_range_prep(), but move its code into
> __generic_remap_file_range_prep() whose argument list can be modified to
> accepts the iomap_ops pointer. Then it looks like this:

I'd say just add the iomap_ops pointer to
generic_remap_file_range_prep and do away with the extra wrappers. We
only have three callers anyway.

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