diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 1b35ea6..c0ca9c3 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -2886,7 +2886,7 @@
 	btrfs_wait_ordered_range(inode, 0, (u64)-1);
 
 	btrfs_i_size_write(inode, 0);
-	trans = btrfs_start_transaction(root, 1);
+	trans = btrfs_join_transaction(root, 1);
 
 	btrfs_set_trans_block_group(trans, inode);
 	ret = btrfs_truncate_inode_items(trans, root, inode, inode->i_size, 0);
diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c
index 56ab1f5..8a08f94 100644
--- a/fs/btrfs/transaction.c
+++ b/fs/btrfs/transaction.c
@@ -800,7 +800,7 @@
 
 	parent_inode = pending->dentry->d_parent->d_inode;
 	parent_root = BTRFS_I(parent_inode)->root;
-	trans = btrfs_start_transaction(parent_root, 1);
+	trans = btrfs_join_transaction(parent_root, 1);
 
 	/*
 	 * insert the directory item