diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 18408b9dbcce..41517d14c950 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -8413,15 +8413,11 @@ again:
 		 * for the finish_ordered_io
 		 */
 		if (TestClearPagePrivate2(page)) {
-			struct btrfs_ordered_inode_tree *tree;
-
-			tree = &inode->ordered_tree;
-
-			spin_lock_irq(&tree->lock);
+			spin_lock_irq(&inode->ordered_tree.lock);
 			set_bit(BTRFS_ORDERED_TRUNCATED, &ordered->flags);
 			ordered->truncated_len = min(ordered->truncated_len,
 						     start - ordered->file_offset);
-			spin_unlock_irq(&tree->lock);
+			spin_unlock_irq(&inode->ordered_tree.lock);
 
 			if (btrfs_dec_test_ordered_pending(inode, &ordered,
 							   start,