1 files changed, 6 insertions, 4 deletions

diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 1b135d49b279..0375654adb28 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -291,6 +291,7 @@ struct queue_limits {
         unsigned char           discard_misaligned;
         unsigned char           cluster;
         unsigned char           discard_zeroes_data;
+        unsigned char           raid_partial_stripes_expensive;
 };
 
 struct request_queue {
@@ -735,7 +736,7 @@ struct rq_map_data {
 };
 
 struct req_iterator {
-        int i;
+        struct bvec_iter iter;
         struct bio *bio;
 };
 
@@ -748,10 +749,11 @@ 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)
+#define rq_iter_last(bvec, _iter)                               \
+                (_iter.bio->bi_next == NULL &&                  \
+                 bio_iter_last(bvec, _iter.iter))
 
 #ifndef ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE
 # error "You should define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE for your platform"