[PATCH 18/29] fsdax: decouple zeroing from the iomap buffered I/O code

[Christoph Hellwig]

On Tue, Nov 23, 2021 at 02:53:15PM -0800, Darrick J. Wong wrote:
> > -s64 dax_iomap_zero(loff_t pos, u64 length, struct iomap *iomap)
> > +static loff_t dax_zero_iter(struct iomap_iter *iter, bool *did_zero)
> 
> Shouldn't this return value remain s64 to match iomap_iter.processed?

I'll switch it over.  Given that loff_t is always the same as s64
it shouldn't really matter.

(same for the others)