1979 	int cur_level = root_level;  in qgroup_trace_extent_swap()  local
2005 	while (cur_level >= dst_level) {  in qgroup_trace_extent_swap()
2009 		if (src_path->nodes[cur_level] == NULL) {  in qgroup_trace_extent_swap()
2016 			eb = src_path->nodes[cur_level + 1];  in qgroup_trace_extent_swap()
2017 			parent_slot = src_path->slots[cur_level + 1];  in qgroup_trace_extent_swap()
2023 					     cur_level, &first_key);  in qgroup_trace_extent_swap()
2033 			src_path->nodes[cur_level] = eb;  in qgroup_trace_extent_swap()
2037 			src_path->locks[cur_level] = BTRFS_READ_LOCK_BLOCKING;  in qgroup_trace_extent_swap()
2040 		src_path->slots[cur_level] = dst_path->slots[cur_level];  in qgroup_trace_extent_swap()
2041 		if (cur_level) {  in qgroup_trace_extent_swap()
2042 			btrfs_node_key_to_cpu(dst_path->nodes[cur_level],  in qgroup_trace_extent_swap()
2043 					&dst_key, dst_path->slots[cur_level]);  in qgroup_trace_extent_swap()
2044 			btrfs_node_key_to_cpu(src_path->nodes[cur_level],  in qgroup_trace_extent_swap()
2045 					&src_key, src_path->slots[cur_level]);  in qgroup_trace_extent_swap()
2047 			btrfs_item_key_to_cpu(dst_path->nodes[cur_level],  in qgroup_trace_extent_swap()
2048 					&dst_key, dst_path->slots[cur_level]);  in qgroup_trace_extent_swap()
2049 			btrfs_item_key_to_cpu(src_path->nodes[cur_level],  in qgroup_trace_extent_swap()
2050 					&src_key, src_path->slots[cur_level]);  in qgroup_trace_extent_swap()
2057 		cur_level--;  in qgroup_trace_extent_swap()
2111 					   int cur_level, int root_level,  in qgroup_trace_new_subtree_blocks()  argument
2121 	if (cur_level < 0 || cur_level >= BTRFS_MAX_LEVEL - 1 ||  in qgroup_trace_new_subtree_blocks()
2123 	    root_level < cur_level) {  in qgroup_trace_new_subtree_blocks()
2126 			__func__, cur_level, root_level);  in qgroup_trace_new_subtree_blocks()
2131 	if (dst_path->nodes[cur_level] == NULL) {  in qgroup_trace_new_subtree_blocks()
2141 		if (cur_level == root_level) {  in qgroup_trace_new_subtree_blocks()
2144 				__func__, root_level, root_level, cur_level);  in qgroup_trace_new_subtree_blocks()
2152 		eb = dst_path->nodes[cur_level + 1];  in qgroup_trace_new_subtree_blocks()
2153 		parent_slot = dst_path->slots[cur_level + 1];  in qgroup_trace_new_subtree_blocks()
2163 				     cur_level, &first_key);  in qgroup_trace_new_subtree_blocks()
2173 		dst_path->nodes[cur_level] = eb;  in qgroup_trace_new_subtree_blocks()
2174 		dst_path->slots[cur_level] = 0;  in qgroup_trace_new_subtree_blocks()
2178 		dst_path->locks[cur_level] = BTRFS_READ_LOCK_BLOCKING;  in qgroup_trace_new_subtree_blocks()
2183 	ret = qgroup_trace_extent_swap(trans, src_eb, dst_path, cur_level,  in qgroup_trace_new_subtree_blocks()
2188 	eb = dst_path->nodes[cur_level];  in qgroup_trace_new_subtree_blocks()
2190 	if (cur_level > 0) {  in qgroup_trace_new_subtree_blocks()
2196 			dst_path->slots[cur_level] = i;  in qgroup_trace_new_subtree_blocks()
2200 					dst_path, cur_level - 1, root_level,  in qgroup_trace_new_subtree_blocks()
2210 		btrfs_tree_unlock_rw(dst_path->nodes[cur_level],  in qgroup_trace_new_subtree_blocks()
2211 				     dst_path->locks[cur_level]);  in qgroup_trace_new_subtree_blocks()
2212 		free_extent_buffer(dst_path->nodes[cur_level]);  in qgroup_trace_new_subtree_blocks()
2213 		dst_path->nodes[cur_level] = NULL;  in qgroup_trace_new_subtree_blocks()
2214 		dst_path->slots[cur_level] = 0;  in qgroup_trace_new_subtree_blocks()
2215 		dst_path->locks[cur_level] = 0;  in qgroup_trace_new_subtree_blocks()