2 files changed, 3 insertions, 0 deletions

diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index aae86fd10c4f..482a7fd48831 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -115,6 +115,7 @@ struct request {
         void *elevator_private3;
 
         struct gendisk *rq_disk;
+        struct hd_struct *part;
         unsigned long start_time;
 #ifdef CONFIG_BLK_CGROUP
         unsigned long long start_time_ns;
diff --git a/include/linux/genhd.h b/include/linux/genhd.h
index 7a7b9c1644e4..2ba2792a3dd4 100644
--- a/include/linux/genhd.h
+++ b/include/linux/genhd.h
@@ -116,6 +116,7 @@ struct hd_struct {
         struct disk_stats dkstats;
 #endif
         struct rcu_head rcu_head;
+        struct kref ref;
 };
 
 #define GENHD_FL_REMOVABLE                      1
@@ -583,6 +584,7 @@ extern struct hd_struct * __must_check add_partition(struct gendisk *disk,
                                                      sector_t len, int flags,
                                                      struct partition_meta_info
                                                        *info);
+extern void __delete_partition(struct kref *ref);
 extern void delete_partition(struct gendisk *, int);
 extern void printk_all_partitions(void);