15 	__p = i->iov;					\
87 			const struct iovec *iov;		\
89 			iterate_iovec(i, n, v, iov, skip, (I))	\
118 			const struct iovec *iov;		\
120 			iterate_iovec(i, n, v, iov, skip, (I))	\
121 			if (skip == iov->iov_len) {		\
122 				iov++;				\
125 			i->nr_segs -= iov - i->iov;		\
126 			i->iov = iov;				\
155 	const struct iovec *iov;  in copy_page_to_iter_iovec()  local
167 	iov = i->iov;  in copy_page_to_iter_iovec()
169 	buf = iov->iov_base + skip;  in copy_page_to_iter_iovec()
170 	copy = min(bytes, iov->iov_len - skip);  in copy_page_to_iter_iovec()
184 			iov++;  in copy_page_to_iter_iovec()
185 			buf = iov->iov_base;  in copy_page_to_iter_iovec()
186 			copy = min(bytes, iov->iov_len);  in copy_page_to_iter_iovec()
200 		copy = min(bytes, iov->iov_len - skip);  in copy_page_to_iter_iovec()
212 		iov++;  in copy_page_to_iter_iovec()
213 		buf = iov->iov_base;  in copy_page_to_iter_iovec()
214 		copy = min(bytes, iov->iov_len);  in copy_page_to_iter_iovec()
224 	if (skip == iov->iov_len) {  in copy_page_to_iter_iovec()
225 		iov++;  in copy_page_to_iter_iovec()
229 	i->nr_segs -= iov - i->iov;  in copy_page_to_iter_iovec()
230 	i->iov = iov;  in copy_page_to_iter_iovec()
239 	const struct iovec *iov;  in copy_page_from_iter_iovec()  local
251 	iov = i->iov;  in copy_page_from_iter_iovec()
253 	buf = iov->iov_base + skip;  in copy_page_from_iter_iovec()
254 	copy = min(bytes, iov->iov_len - skip);  in copy_page_from_iter_iovec()
268 			iov++;  in copy_page_from_iter_iovec()
269 			buf = iov->iov_base;  in copy_page_from_iter_iovec()
270 			copy = min(bytes, iov->iov_len);  in copy_page_from_iter_iovec()
284 		copy = min(bytes, iov->iov_len - skip);  in copy_page_from_iter_iovec()
296 		iov++;  in copy_page_from_iter_iovec()
297 		buf = iov->iov_base;  in copy_page_from_iter_iovec()
298 		copy = min(bytes, iov->iov_len);  in copy_page_from_iter_iovec()
308 	if (skip == iov->iov_len) {  in copy_page_from_iter_iovec()
309 		iov++;  in copy_page_from_iter_iovec()
313 	i->nr_segs -= iov - i->iov;  in copy_page_from_iter_iovec()
314 	i->iov = iov;  in copy_page_from_iter_iovec()
416 	const struct iovec *iov;  in iov_iter_fault_in_readable()  local
421 		iterate_iovec(i, bytes, v, iov, skip, ({  in iov_iter_fault_in_readable()
432 			const struct iovec *iov, unsigned long nr_segs,  in iov_iter_init()  argument
439 		i->kvec = (struct kvec *)iov;  in iov_iter_init()
442 		i->iov = iov;  in iov_iter_init()
1032 		const struct iovec *iov = i->iov;  in iov_iter_revert()  local
1034 			size_t n = (--iov)->iov_len;  in iov_iter_revert()
1037 				i->iov = iov;  in iov_iter_revert()
1059 		return min(i->count, i->iov->iov_len - i->iov_offset);  in iov_iter_single_seg_count()
1494 		return new->iov = kmemdup(new->iov,  in dup_iter()
1524 		 struct iovec **iov, struct iov_iter *i)  in import_iovec()  argument
1529 				  *iov, &p);  in import_iovec()
1531 		if (p != *iov)  in import_iovec()
1533 		*iov = NULL;  in import_iovec()
1537 	*iov = p == *iov ? NULL : p;  in import_iovec()
1547 		 struct iovec **iov, struct iov_iter *i)  in compat_import_iovec()  argument
1552 				  *iov, &p);  in compat_import_iovec()
1554 		if (p != *iov)  in compat_import_iovec()
1556 		*iov = NULL;  in compat_import_iovec()
1560 	*iov = p == *iov ? NULL : p;  in compat_import_iovec()
1566 		 struct iovec *iov, struct iov_iter *i)  in import_single_range()  argument
1573 	iov->iov_base = buf;  in import_single_range()
1574 	iov->iov_len = len;  in import_single_range()
1575 	iov_iter_init(i, rw, iov, 1, len);  in import_single_range()