33 		const struct iovec *iov;  member
47 static inline size_t iov_length(const struct iovec *iov, unsigned long nr_segs)  in iov_length()  argument
53 		ret += iov[seg].iov_len;  in iov_length()
60 		.iov_base = iter->iov->iov_base + iter->iov_offset,  in iov_iter_iovec()
62 			       iter->iov->iov_len - iter->iov_offset),  in iov_iter_iovec()
66 #define iov_for_each(iov, iter, start)				\  argument
70 	     ((iov = iov_iter_iovec(&(iter))), 1);		\
71 	     iov_iter_advance(&(iter), (iov).iov_len))
73 unsigned long iov_shorten(struct iovec *iov, unsigned long nr_segs, size_t to);
90 void iov_iter_init(struct iov_iter *i, int direction, const struct iovec *iov,
153 		 struct iovec **iov, struct iov_iter *i);
159 		 struct iovec **iov, struct iov_iter *i);
163 		 struct iovec *iov, struct iov_iter *i);