1 files changed, 4 insertions, 2 deletions

diff --git a/mm/page_io.c b/mm/page_io.c
index 7c59ef681381..0ed0644c73db 100644
--- a/mm/page_io.c
+++ b/mm/page_io.c
@@ -263,16 +263,18 @@ int __swap_writepage(struct page *page, struct writeback_control *wbc,
                         .iov_base = kmap(page),
                         .iov_len  = PAGE_SIZE,
                 };
+                struct iov_iter from;
 
                 init_sync_kiocb(&kiocb, swap_file);
                 kiocb.ki_pos = page_file_offset(page);
                 kiocb.ki_nbytes = PAGE_SIZE;
+                iov_iter_init(&from, &iov, 1, PAGE_SIZE, 0);
 
                 set_page_writeback(page);
                 unlock_page(page);
                 ret = mapping->a_ops->direct_IO(KERNEL_WRITE,
-                                                &kiocb, &iov,
-                                                kiocb.ki_pos, 1);
+                                                &kiocb, &from,
+                                                kiocb.ki_pos);
                 kunmap(page);
                 if (ret == PAGE_SIZE) {
                         count_vm_event(PSWPOUT);