diff --git a/fs/btrfs/relocation.c b/fs/btrfs/relocation.c
index 2f0e25afa486..00504657b602 100644
--- a/fs/btrfs/relocation.c
+++ b/fs/btrfs/relocation.c
@@ -1435,6 +1435,13 @@ int btrfs_init_reloc_root(struct btrfs_trans_handle *trans,
 	int clear_rsv = 0;
 	int ret;
 
+	/*
+	 * The subvolume has reloc tree but the swap is finished, no need to
+	 * create/update the dead reloc tree
+	 */
+	if (test_bit(BTRFS_ROOT_DEAD_RELOC_TREE, &root->state))
+		return 0;
+
 	if (root->reloc_root) {
 		reloc_root = root->reloc_root;
 		reloc_root->last_trans = trans->transid;
@@ -2187,7 +2194,6 @@ static int clean_dirty_subvols(struct reloc_control *rc)
 			/* Merged subvolume, cleanup its reloc root */
 			struct btrfs_root *reloc_root = root->reloc_root;
 
-			clear_bit(BTRFS_ROOT_DEAD_RELOC_TREE, &root->state);
 			list_del_init(&root->reloc_dirty_list);
 			root->reloc_root = NULL;
 			if (reloc_root) {
@@ -2196,6 +2202,7 @@ static int clean_dirty_subvols(struct reloc_control *rc)
 				if (ret2 < 0 && !ret)
 					ret = ret2;
 			}
+			clear_bit(BTRFS_ROOT_DEAD_RELOC_TREE, &root->state);
 			btrfs_put_fs_root(root);
 		} else {
 			/* Orphan reloc tree, just clean it up */