2007 	int cur_level = root_level;  in qgroup_trace_extent_swap()  local
2033 	while (cur_level >= dst_level) {  in qgroup_trace_extent_swap()
2037 		if (src_path->nodes[cur_level] == NULL) {  in qgroup_trace_extent_swap()
2044 			eb = src_path->nodes[cur_level + 1];  in qgroup_trace_extent_swap()
2045 			parent_slot = src_path->slots[cur_level + 1];  in qgroup_trace_extent_swap()
2051 					     cur_level, &first_key);  in qgroup_trace_extent_swap()
2061 			src_path->nodes[cur_level] = eb;  in qgroup_trace_extent_swap()
2065 			src_path->locks[cur_level] = BTRFS_READ_LOCK_BLOCKING;  in qgroup_trace_extent_swap()
2068 		src_path->slots[cur_level] = dst_path->slots[cur_level];  in qgroup_trace_extent_swap()
2069 		if (cur_level) {  in qgroup_trace_extent_swap()
2070 			btrfs_node_key_to_cpu(dst_path->nodes[cur_level],  in qgroup_trace_extent_swap()
2071 					&dst_key, dst_path->slots[cur_level]);  in qgroup_trace_extent_swap()
2072 			btrfs_node_key_to_cpu(src_path->nodes[cur_level],  in qgroup_trace_extent_swap()
2073 					&src_key, src_path->slots[cur_level]);  in qgroup_trace_extent_swap()
2075 			btrfs_item_key_to_cpu(dst_path->nodes[cur_level],  in qgroup_trace_extent_swap()
2076 					&dst_key, dst_path->slots[cur_level]);  in qgroup_trace_extent_swap()
2077 			btrfs_item_key_to_cpu(src_path->nodes[cur_level],  in qgroup_trace_extent_swap()
2078 					&src_key, src_path->slots[cur_level]);  in qgroup_trace_extent_swap()
2085 		cur_level--;  in qgroup_trace_extent_swap()
2139 					   int cur_level, int root_level,  in qgroup_trace_new_subtree_blocks()  argument
2149 	if (cur_level < 0 || cur_level >= BTRFS_MAX_LEVEL - 1 ||  in qgroup_trace_new_subtree_blocks()
2151 	    root_level < cur_level) {  in qgroup_trace_new_subtree_blocks()
2154 			__func__, cur_level, root_level);  in qgroup_trace_new_subtree_blocks()
2159 	if (dst_path->nodes[cur_level] == NULL) {  in qgroup_trace_new_subtree_blocks()
2169 		if (cur_level == root_level) {  in qgroup_trace_new_subtree_blocks()
2172 				__func__, root_level, root_level, cur_level);  in qgroup_trace_new_subtree_blocks()
2180 		eb = dst_path->nodes[cur_level + 1];  in qgroup_trace_new_subtree_blocks()
2181 		parent_slot = dst_path->slots[cur_level + 1];  in qgroup_trace_new_subtree_blocks()
2191 				     cur_level, &first_key);  in qgroup_trace_new_subtree_blocks()
2201 		dst_path->nodes[cur_level] = eb;  in qgroup_trace_new_subtree_blocks()
2202 		dst_path->slots[cur_level] = 0;  in qgroup_trace_new_subtree_blocks()
2206 		dst_path->locks[cur_level] = BTRFS_READ_LOCK_BLOCKING;  in qgroup_trace_new_subtree_blocks()
2211 	ret = qgroup_trace_extent_swap(trans, src_eb, dst_path, cur_level,  in qgroup_trace_new_subtree_blocks()
2216 	eb = dst_path->nodes[cur_level];  in qgroup_trace_new_subtree_blocks()
2218 	if (cur_level > 0) {  in qgroup_trace_new_subtree_blocks()
2224 			dst_path->slots[cur_level] = i;  in qgroup_trace_new_subtree_blocks()
2228 					dst_path, cur_level - 1, root_level,  in qgroup_trace_new_subtree_blocks()
2238 		btrfs_tree_unlock_rw(dst_path->nodes[cur_level],  in qgroup_trace_new_subtree_blocks()
2239 				     dst_path->locks[cur_level]);  in qgroup_trace_new_subtree_blocks()
2240 		free_extent_buffer(dst_path->nodes[cur_level]);  in qgroup_trace_new_subtree_blocks()
2241 		dst_path->nodes[cur_level] = NULL;  in qgroup_trace_new_subtree_blocks()
2242 		dst_path->slots[cur_level] = 0;  in qgroup_trace_new_subtree_blocks()
2243 		dst_path->locks[cur_level] = 0;  in qgroup_trace_new_subtree_blocks()