153 	struct btrfs_root *parent_root;  member
397 		  (sctx->parent_root ?  in inconsistent_snapshot_error()
398 		   sctx->parent_root->root_key.objectid : 0));  in inconsistent_snapshot_error()
421 	return (sctx->parent_root && !sctx->cur_inode_new &&  in need_send_hole()
1845 		if (!sctx->parent_root) {  in gen_unique_name()
1851 		di = btrfs_lookup_dir_item(NULL, sctx->parent_root,  in gen_unique_name()
1901 	if (!sctx->parent_root) {  in get_cur_inode_state()
1904 		ret = get_inode_info(sctx->parent_root, ino, &info);  in get_cur_inode_state()
2129 	if (!sctx->parent_root)  in will_overwrite_ref()
2144 	if (sctx->parent_root && dir != BTRFS_FIRST_FREE_OBJECTID &&  in will_overwrite_ref()
2148 	ret = lookup_dir_item_inode(sctx->parent_root, dir, name, name_len,  in will_overwrite_ref()
2162 		ret = get_inode_info(sctx->parent_root, other_inode, &info);  in will_overwrite_ref()
2192 	if (!sctx->parent_root)  in did_overwrite_ref()
2260 	if (!sctx->parent_root)  in did_overwrite_first_ref()
2267 	ret = get_first_ref(sctx->parent_root, ino, &dir, &dir_gen, name);  in did_overwrite_first_ref()
2355 		ret = get_first_ref(sctx->parent_root, ino,  in __get_cur_name_and_parent()
2470 			ret = get_first_ref(sctx->parent_root, ino,  in get_cur_path()
2505 	struct btrfs_root *parent_root = sctx->parent_root;  in send_subvol_begin()  local
2548 	if (parent_root) {  in send_subvol_begin()
2569 	if (parent_root) {  in send_subvol_begin()
2570 		if (!btrfs_is_empty_uuid(parent_root->root_item.received_uuid))  in send_subvol_begin()
2572 				     parent_root->root_item.received_uuid);  in send_subvol_begin()
2575 				     parent_root->root_item.uuid);  in send_subvol_begin()
2577 			    btrfs_root_ctransid(&sctx->parent_root->root_item));  in send_subvol_begin()
3193 	struct btrfs_root *root = sctx->parent_root;  in can_rmdir()
3490 			ret = get_first_ref(sctx->parent_root, ino,  in path_loop()
3548 		ret = get_first_ref(sctx->parent_root, pm->ino,  in apply_dir_move()
3759 	struct btrfs_fs_info *fs_info = sctx->parent_root->fs_info;  in wait_for_dest_dir_move()
3780 	ret = btrfs_search_slot(NULL, sctx->parent_root, &key, path, 0, 0);  in wait_for_dest_dir_move()
3808 	ret = get_inode_gen(sctx->parent_root, di_key.objectid, &left_gen);  in wait_for_dest_dir_move()
4001 			ret = is_ancestor(sctx->parent_root,  in wait_for_parent_move()
4015 		ret = get_first_ref(sctx->parent_root, ino, &parent_ino_before,  in wait_for_parent_move()
4031 			ret = get_inode_gen(sctx->parent_root, ino, &parent_ino_gen);  in wait_for_parent_move()
4282 			ret = is_first_ref(sctx->parent_root,  in process_recorded_refs()
4336 				ret = is_ancestor(sctx->parent_root,  in process_recorded_refs()
4410 		if (S_ISDIR(sctx->cur_inode_mode) && sctx->parent_root) {  in process_recorded_refs()
4420 		if (S_ISDIR(sctx->cur_inode_mode) && sctx->parent_root &&  in process_recorded_refs()
4733 	ret = get_inode_gen(sctx->parent_root, dir, &dir_gen);  in record_deleted_ref_if_needed()
4771 	ret = iterate_inode_ref(sctx->parent_root, sctx->right_path,  in record_deleted_ref()
4790 	ret = iterate_inode_ref(sctx->parent_root, sctx->right_path,  in record_changed_ref()
4824 		root = sctx->parent_root;  in process_all_refs()
4985 	return iterate_dir_item(sctx->parent_root, sctx->right_path,  in process_deleted_xattr()
5055 	ret = find_xattr(sctx->parent_root, sctx->right_path,  in __process_changed_new_xattr()
5102 	ret = iterate_dir_item(sctx->parent_root, sctx->right_path,  in process_changed_xattr()
6232 	ret = btrfs_search_slot_for_read(sctx->parent_root, &key, path, 0, 0);  in is_extent_unchanged()
6322 		ret = btrfs_next_item(sctx->parent_root, path);  in is_extent_unchanged()
6393 	struct btrfs_root *root = sctx->parent_root;  in range_is_hole_in_parent()
6506 	if (sctx->parent_root && !sctx->cur_inode_new) {  in process_extent()
6669 	if (!sctx->parent_root || sctx->cur_inode_new) {  in finish_inode_if_needed()
6678 		ret = get_inode_info(sctx->parent_root, sctx->cur_ino, &info);  in finish_inode_if_needed()
7140 	ret = get_inode_gen(sctx->parent_root, dir, &orig_gen);  in dir_changed()
7316 			  (root == sctx->parent_root ? "parent" : "send"),  in search_key_again()
7588 	ret = search_key_again(sctx, sctx->parent_root, right_path, right_key);  in restart_after_relocation()
7622 	root_level = btrfs_header_level(sctx->parent_root->commit_root);  in restart_after_relocation()
7945 	if (sctx->parent_root) {  in send_subvol()
7946 		ret = btrfs_compare_trees(sctx->send_root, sctx->parent_root, sctx);  in send_subvol()
7982 	if (sctx->parent_root &&  in ensure_commit_roots_uptodate()
7983 	    sctx->parent_root->node != sctx->parent_root->commit_root)  in ensure_commit_roots_uptodate()
8018 	struct btrfs_root *root = sctx->parent_root;  in flush_delalloc_roots()
8265 	if (arg->parent_root) {  in btrfs_ioctl_send()
8266 		sctx->parent_root = btrfs_get_fs_root(fs_info, arg->parent_root,  in btrfs_ioctl_send()
8268 		if (IS_ERR(sctx->parent_root)) {  in btrfs_ioctl_send()
8269 			ret = PTR_ERR(sctx->parent_root);  in btrfs_ioctl_send()
8273 		spin_lock(&sctx->parent_root->root_item_lock);  in btrfs_ioctl_send()
8274 		sctx->parent_root->send_in_progress++;  in btrfs_ioctl_send()
8275 		if (!btrfs_root_readonly(sctx->parent_root) ||  in btrfs_ioctl_send()
8276 				btrfs_root_dead(sctx->parent_root)) {  in btrfs_ioctl_send()
8277 			spin_unlock(&sctx->parent_root->root_item_lock);  in btrfs_ioctl_send()
8281 		if (sctx->parent_root->dedupe_in_progress) {  in btrfs_ioctl_send()
8282 			dedupe_in_progress_warn(sctx->parent_root);  in btrfs_ioctl_send()
8283 			spin_unlock(&sctx->parent_root->root_item_lock);  in btrfs_ioctl_send()
8287 		spin_unlock(&sctx->parent_root->root_item_lock);  in btrfs_ioctl_send()
8386 	if (sctx && !IS_ERR_OR_NULL(sctx->parent_root)) {  in btrfs_ioctl_send()
8387 		btrfs_root_dec_send_in_progress(sctx->parent_root);  in btrfs_ioctl_send()
8388 		btrfs_put_root(sctx->parent_root);  in btrfs_ioctl_send()