new helper: iov_iter_bvec()
similar to iov_iter_kvec(), for ITER_BVEC ones
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/mm/page_io.c b/mm/page_io.c
index 955db8b..e604580 100644
--- a/mm/page_io.c
+++ b/mm/page_io.c
@@ -269,14 +269,9 @@
.bv_len = PAGE_SIZE,
.bv_offset = 0
};
- struct iov_iter from = {
- .type = ITER_BVEC | WRITE,
- .count = PAGE_SIZE,
- .iov_offset = 0,
- .nr_segs = 1,
- };
- from.bvec = &bv; /* older gcc versions are broken */
+ struct iov_iter from;
+ iov_iter_bvec(&from, ITER_BVEC | WRITE, &bv, 1, PAGE_SIZE);
init_sync_kiocb(&kiocb, swap_file);
kiocb.ki_pos = page_file_offset(page);
kiocb.ki_nbytes = PAGE_SIZE;
