1 files changed, 4 insertions, 3 deletions

diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 1b135d49b279..337b92a54658 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -735,7 +735,7 @@ struct rq_map_data {
 };
 
 struct req_iterator {
-        int i;
+        struct bvec_iter iter;
         struct bio *bio;
 };
 
@@ -748,10 +748,11 @@ struct req_iterator {
 
 #define rq_for_each_segment(bvl, _rq, _iter)                    \
         __rq_for_each_bio(_iter.bio, _rq)                       \
-                bio_for_each_segment(bvl, _iter.bio, _iter.i)
+                bio_for_each_segment(bvl, _iter.bio, _iter.iter)
 
 #define rq_iter_last(rq, _iter)                                 \
-                (_iter.bio->bi_next == NULL && _iter.i == _iter.bio->bi_vcnt-1)
+                (_iter.bio->bi_next == NULL &&                  \
+                 bio_iter_last(_iter.bio, _iter.iter))
 
 #ifndef ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE
 # error "You should define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE for your platform"