Re: [PATCH v7 2/8] iov_iter: Add a function to extract a page list from an iterator

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> +#define iov_iter_extract_mode(iter, extract_flags) \
> +	(user_backed_iter(iter) ?				\
> +	 (iter->data_source == ITER_SOURCE) ?			\
> +	 FOLL_GET : FOLL_PIN : 0)

The extract_flags argument is unused here.



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