85 static inline const struct iovec *iter_iov(const struct iov_iter *iter)  in iter_iov()  argument
87 	if (iter->iter_type == ITER_UBUF)  in iter_iov()
88 		return (const struct iovec *) &iter->__ubuf_iovec;  in iter_iov()
89 	return iter->__iov;  in iter_iov()
92 #define iter_iov_addr(iter)	(iter_iov(iter)->iov_base + (iter)->iov_offset)  argument
93 #define iter_iov_len(iter)	(iter_iov(iter)->iov_len - (iter)->iov_offset)  argument
100 static inline void iov_iter_save_state(struct iov_iter *iter,  in iov_iter_save_state()  argument
103 	state->iov_offset = iter->iov_offset;  in iov_iter_save_state()
104 	state->count = iter->count;  in iov_iter_save_state()
105 	state->nr_segs = iter->nr_segs;  in iov_iter_save_state()
402 static inline bool iov_iter_extract_will_pin(const struct iov_iter *iter)  in iov_iter_extract_will_pin()  argument
404 	return user_backed_iter(iter);  in iov_iter_extract_will_pin()
408 ssize_t extract_iter_to_sg(struct iov_iter *iter, size_t len,