1 files changed, 7 insertions, 0 deletions

diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index 0a68cf7032f5..7a2a2621f0d9 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -35,6 +35,7 @@
 struct btrfs_trans_handle;
 struct btrfs_transaction;
 struct btrfs_pending_snapshot;
+struct btrfs_delayed_ref_root;
 extern struct kmem_cache *btrfs_trans_handle_cachep;
 extern struct kmem_cache *btrfs_bit_radix_cachep;
 extern struct kmem_cache *btrfs_path_cachep;
@@ -786,6 +787,9 @@ enum {
          * main phase. The fs_info::balance_ctl is initialized.
          */
         BTRFS_FS_BALANCE_RUNNING,
+
+        /* Indicate that the cleaner thread is awake and doing something. */
+        BTRFS_FS_CLEANER_RUNNING,
 };
 
 struct btrfs_fs_info {
@@ -2661,6 +2665,9 @@ int btrfs_run_delayed_refs(struct btrfs_trans_handle *trans,
                            unsigned long count);
 int btrfs_async_run_delayed_refs(struct btrfs_fs_info *fs_info,
                                  unsigned long count, u64 transid, int wait);
+void btrfs_cleanup_ref_head_accounting(struct btrfs_fs_info *fs_info,
+                                  struct btrfs_delayed_ref_root *delayed_refs,
+                                  struct btrfs_delayed_ref_head *head);
 int btrfs_lookup_data_extent(struct btrfs_fs_info *fs_info, u64 start, u64 len);
 int btrfs_lookup_extent_info(struct btrfs_trans_handle *trans,
                              struct btrfs_fs_info *fs_info, u64 bytenr,