1 files changed, 12 insertions, 7 deletions

diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index c683aaa925fa..b9f9f815ed09 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -81,6 +81,10 @@ struct btrfs_ordered_sum;
 #define BTRFS_TREE_LOG_OBJECTID -6ULL
 #define BTRFS_TREE_LOG_FIXUP_OBJECTID -7ULL
 
+/* for space balancing */
+#define BTRFS_TREE_RELOC_OBJECTID -8ULL
+#define BTRFS_DATA_RELOC_TREE_OBJECTID -9ULL
+
 /* dummy objectid represents multiple objectids */
 #define BTRFS_MULTIPLE_OBJECTIDS -255ULL
 
@@ -539,6 +543,12 @@ struct btrfs_block_group_cache {
         struct list_head list;
 };
 
+struct btrfs_leaf_ref_tree {
+        struct rb_root root;
+        struct list_head list;
+        spinlock_t lock;
+};
+
 struct btrfs_device;
 struct btrfs_fs_devices;
 struct btrfs_fs_info {
@@ -637,6 +647,8 @@ struct btrfs_fs_info {
         struct task_struct *cleaner_kthread;
         int thread_pool_size;
 
+        struct btrfs_leaf_ref_tree shared_ref_tree;
+
         struct kobject super_kobj;
         struct completion kobj_unregister;
         int do_barriers;
@@ -670,13 +682,6 @@ struct btrfs_fs_info {
         void *bdev_holder;
 };
 
-struct btrfs_leaf_ref_tree {
-        struct rb_root root;
-        struct btrfs_leaf_ref *last;
-        struct list_head list;
-        spinlock_t lock;
-};
-
 /*
  * in ram representation of the tree.  extent_root is used for all allocations
  * and for the extent tree extent_root root.