diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index 1a6c5ce..66f2823 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -2769,8 +2769,7 @@ int btrfs_inc_extent_ref(struct btrfs_trans_handle *trans,
 int btrfs_start_dirty_block_groups(struct btrfs_trans_handle *trans);
 int btrfs_write_dirty_block_groups(struct btrfs_trans_handle *trans,
 				   struct btrfs_fs_info *fs_info);
-int btrfs_setup_space_cache(struct btrfs_trans_handle *trans,
-			    struct btrfs_fs_info *fs_info);
+int btrfs_setup_space_cache(struct btrfs_trans_handle *trans);
 int btrfs_extent_readonly(struct btrfs_fs_info *fs_info, u64 bytenr);
 int btrfs_free_block_groups(struct btrfs_fs_info *info);
 int btrfs_read_block_groups(struct btrfs_fs_info *info);
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index ef901d1..ecb590a 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -3531,9 +3531,9 @@ static int cache_save_setup(struct btrfs_block_group_cache *block_group,
 	return ret;
 }
 
-int btrfs_setup_space_cache(struct btrfs_trans_handle *trans,
-			    struct btrfs_fs_info *fs_info)
+int btrfs_setup_space_cache(struct btrfs_trans_handle *trans)
 {
+	struct btrfs_fs_info *fs_info = trans->fs_info;
 	struct btrfs_block_group_cache *cache, *tmp;
 	struct btrfs_transaction *cur_trans = trans->transaction;
 	struct btrfs_path *path;
diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c
index e540432..f233aeb 100644
--- a/fs/btrfs/transaction.c
+++ b/fs/btrfs/transaction.c
@@ -1104,7 +1104,7 @@ static noinline int commit_cowonly_roots(struct btrfs_trans_handle *trans)
 	if (ret)
 		return ret;
 
-	ret = btrfs_setup_space_cache(trans, fs_info);
+	ret = btrfs_setup_space_cache(trans);
 	if (ret)
 		return ret;