11 	__p = i->iov;					\
95 		const struct iovec *iov;			\
97 		iterate_iovec(i, n, v, iov, skip, (I))		\
124 		const struct iovec *iov;			\
126 		iterate_iovec(i, n, v, iov, skip, (I))		\
127 		if (skip == iov->iov_len) {			\
128 			iov++;					\
131 		i->nr_segs -= iov - i->iov;			\
132 		i->iov = iov;					\
142 	const struct iovec *iov;  in copy_page_to_iter_iovec()  local
153 	iov = i->iov;  in copy_page_to_iter_iovec()
155 	buf = iov->iov_base + skip;  in copy_page_to_iter_iovec()
156 	copy = min(bytes, iov->iov_len - skip);  in copy_page_to_iter_iovec()
170 			iov++;  in copy_page_to_iter_iovec()
171 			buf = iov->iov_base;  in copy_page_to_iter_iovec()
172 			copy = min(bytes, iov->iov_len);  in copy_page_to_iter_iovec()
186 		copy = min(bytes, iov->iov_len - skip);  in copy_page_to_iter_iovec()
197 		iov++;  in copy_page_to_iter_iovec()
198 		buf = iov->iov_base;  in copy_page_to_iter_iovec()
199 		copy = min(bytes, iov->iov_len);  in copy_page_to_iter_iovec()
208 	if (skip == iov->iov_len) {  in copy_page_to_iter_iovec()
209 		iov++;  in copy_page_to_iter_iovec()
213 	i->nr_segs -= iov - i->iov;  in copy_page_to_iter_iovec()
214 	i->iov = iov;  in copy_page_to_iter_iovec()
223 	const struct iovec *iov;  in copy_page_from_iter_iovec()  local
234 	iov = i->iov;  in copy_page_from_iter_iovec()
236 	buf = iov->iov_base + skip;  in copy_page_from_iter_iovec()
237 	copy = min(bytes, iov->iov_len - skip);  in copy_page_from_iter_iovec()
251 			iov++;  in copy_page_from_iter_iovec()
252 			buf = iov->iov_base;  in copy_page_from_iter_iovec()
253 			copy = min(bytes, iov->iov_len);  in copy_page_from_iter_iovec()
267 		copy = min(bytes, iov->iov_len - skip);  in copy_page_from_iter_iovec()
278 		iov++;  in copy_page_from_iter_iovec()
279 		buf = iov->iov_base;  in copy_page_from_iter_iovec()
280 		copy = min(bytes, iov->iov_len);  in copy_page_from_iter_iovec()
289 	if (skip == iov->iov_len) {  in copy_page_from_iter_iovec()
290 		iov++;  in copy_page_from_iter_iovec()
294 	i->nr_segs -= iov - i->iov;  in copy_page_from_iter_iovec()
295 	i->iov = iov;  in copy_page_from_iter_iovec()
312 		char __user *buf = i->iov->iov_base + i->iov_offset;  in iov_iter_fault_in_readable()
313 		bytes = min(bytes, i->iov->iov_len - i->iov_offset);  in iov_iter_fault_in_readable()
330 	const struct iovec *iov;  in iov_iter_fault_in_multipages_readable()  local
335 		iterate_iovec(i, bytes, v, iov, skip, ({  in iov_iter_fault_in_multipages_readable()
347 			const struct iovec *iov, unsigned long nr_segs,  in iov_iter_init()  argument
354 		i->kvec = (struct kvec *)iov;  in iov_iter_init()
357 		i->iov = iov;  in iov_iter_init()
525 		return min(i->count, i->iov->iov_len - i->iov_offset);  in iov_iter_single_seg_count()
790 		return new->iov = kmemdup(new->iov,  in dup_iter()
798 		 struct iovec **iov, struct iov_iter *i)  in import_iovec()  argument
803 				  *iov, &p);  in import_iovec()
805 		if (p != *iov)  in import_iovec()
807 		*iov = NULL;  in import_iovec()
811 	*iov = p == *iov ? NULL : p;  in import_iovec()
821 		 struct iovec **iov, struct iov_iter *i)  in compat_import_iovec()  argument
826 				  *iov, &p);  in compat_import_iovec()
828 		if (p != *iov)  in compat_import_iovec()
830 		*iov = NULL;  in compat_import_iovec()
834 	*iov = p == *iov ? NULL : p;  in compat_import_iovec()
840 		 struct iovec *iov, struct iov_iter *i)  in import_single_range()  argument
847 	iov->iov_base = buf;  in import_single_range()
848 	iov->iov_len = len;  in import_single_range()
849 	iov_iter_init(i, rw, iov, 1, len);  in import_single_range()