36 		const struct iovec *iov;  member
57 static inline size_t iov_length(const struct iovec *iov, unsigned long nr_segs)  in iov_length()  argument
63 		ret += iov[seg].iov_len;  in iov_length()
70 		.iov_base = iter->iov->iov_base + iter->iov_offset,  in iov_iter_iovec()
72 			       iter->iov->iov_len - iter->iov_offset),  in iov_iter_iovec()
76 #define iov_for_each(iov, iter, start)				\  argument
80 	     ((iov = iov_iter_iovec(&(iter))), 1);		\
81 	     iov_iter_advance(&(iter), (iov).iov_len))
184 void iov_iter_init(struct iov_iter *i, int direction, const struct iovec *iov,
250 		 struct iovec **iov, struct iov_iter *i);
256 		 struct iovec **iov, struct iov_iter *i);
260 		 struct iovec *iov, struct iov_iter *i);