2 files changed, 9 insertions, 1 deletions

diff --git a/include/linux/genhd.h b/include/linux/genhd.h
index f589559cf070..4c03ee353e78 100644
--- a/include/linux/genhd.h
+++ b/include/linux/genhd.h
@@ -434,6 +434,10 @@ static inline struct block_device *bdget_disk(struct gendisk *disk, int index)
 
 #endif
 
-#endif
+#else /* CONFIG_BLOCK */
+
+static inline void printk_all_partitions(void) { }
+
+#endif /* CONFIG_BLOCK */
 
 #endif
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 97c0c7da58ef..a81897e2a244 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -88,6 +88,7 @@ struct sched_param {
 
 struct exec_domain;
 struct futex_pi_state;
+struct bio;
 
 /*
  * List of flags we want to share for kernel threads,
@@ -1016,6 +1017,9 @@ struct task_struct {
 /* journalling filesystem info */
         void *journal_info;
 
+/* stacked block device info */
+        struct bio *bio_list, **bio_tail;
+
 /* VM state */
         struct reclaim_state *reclaim_state;