new helper: iov_iter_get_pages()

[deliverable/linux.git] / include / linux / uio.h

diff --git a/include/linux/uio.h b/include/linux/uio.h
index b80bbe197d13f6b463714acb30a481c98ca20ebc..341986116d83dd284b84b4b8a418a7c0fc2bc82e 100644 (file)
--- a/include/linux/uio.h
+++ b/include/linux/uio.h
@@ -71,6 +71,8 @@ size_t copy_page_to_iter(struct page *page, size_t offset, size_t bytes,
 unsigned long iov_iter_alignment(const struct iov_iter *i);
 void iov_iter_init(struct iov_iter *i, int direction, const struct iovec *iov,
                        unsigned long nr_segs, size_t count);
+ssize_t iov_iter_get_pages(struct iov_iter *i, struct page **pages,
+                       size_t maxsize, size_t *start);
 
 static inline size_t iov_iter_count(struct iov_iter *i)
 {