1 files changed, 10 insertions, 16 deletions

diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 1b135d49b279..4afa4f8f6090 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -95,13 +95,10 @@ enum rq_cmd_type_bits {
  * as well!
  */
 struct request {
-        union {
-                struct list_head queuelist;
-                struct llist_node ll_list;
-        };
+        struct list_head queuelist;
         union {
                 struct call_single_data csd;
-                struct work_struct mq_flush_data;
+                struct work_struct mq_flush_work;
         };
 
         struct request_queue *q;
@@ -291,6 +288,7 @@ struct queue_limits {
         unsigned char           discard_misaligned;
         unsigned char           cluster;
         unsigned char           discard_zeroes_data;
+        unsigned char           raid_partial_stripes_expensive;
 };
 
 struct request_queue {
@@ -450,13 +448,8 @@ struct request_queue {
         unsigned long           flush_pending_since;
         struct list_head        flush_queue[2];
         struct list_head        flush_data_in_flight;
-        union {
-                struct request  flush_rq;
-                struct {
-                        spinlock_t mq_flush_lock;
-                        struct work_struct mq_flush_work;
-                };
-        };
+        struct request          *flush_rq;
+        spinlock_t              mq_flush_lock;
 
         struct mutex            sysfs_lock;
 
@@ -735,7 +728,7 @@ struct rq_map_data {
 };
 
 struct req_iterator {
-        int i;
+        struct bvec_iter iter;
         struct bio *bio;
 };
 
@@ -748,10 +741,11 @@ 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"