1 files changed, 8 insertions, 1 deletions

diff --git a/drivers/md/raid5.h b/drivers/md/raid5.h
index 0f86f5e36724..36eaed5dfd6e 100644
--- a/drivers/md/raid5.h
+++ b/drivers/md/raid5.h
@@ -388,7 +388,7 @@ struct raid5_private_data {
          * two caches.
          */
         int                     active_name;
-        char                    cache_name[2][20];
+        char                    cache_name[2][32];
         struct kmem_cache               *slab_cache; /* for allocating stripes */
 
         int                     seq_flush, seq_write;
@@ -398,6 +398,9 @@ struct raid5_private_data {
                                             * (fresh device added).
                                             * Cleared when a sync completes.
                                             */
+
+        struct plug_handle      plug;
+
         /* per cpu variables */
         struct raid5_percpu {
                 struct page     *spare_page; /* Used when checking P/Q in raid6 */
@@ -497,4 +500,8 @@ static inline int algorithm_is_DDF(int layout)
 {
         return layout >= 8 && layout <= 10;
 }
+
+extern int md_raid5_congested(mddev_t *mddev, int bits);
+extern void md_raid5_unplug_device(raid5_conf_t *conf);
+extern int raid5_set_cache_size(mddev_t *mddev, int size);
 #endif