1943 	int cur_level = root_level;  in qgroup_trace_extent_swap()  local
1969 	while (cur_level >= dst_level) {  in qgroup_trace_extent_swap()
1973 		if (src_path->nodes[cur_level] == NULL) {  in qgroup_trace_extent_swap()
1980 			eb = src_path->nodes[cur_level + 1];  in qgroup_trace_extent_swap()
1981 			parent_slot = src_path->slots[cur_level + 1];  in qgroup_trace_extent_swap()
1987 					     cur_level, &first_key);  in qgroup_trace_extent_swap()
1997 			src_path->nodes[cur_level] = eb;  in qgroup_trace_extent_swap()
2001 			src_path->locks[cur_level] = BTRFS_READ_LOCK_BLOCKING;  in qgroup_trace_extent_swap()
2004 		src_path->slots[cur_level] = dst_path->slots[cur_level];  in qgroup_trace_extent_swap()
2005 		if (cur_level) {  in qgroup_trace_extent_swap()
2006 			btrfs_node_key_to_cpu(dst_path->nodes[cur_level],  in qgroup_trace_extent_swap()
2007 					&dst_key, dst_path->slots[cur_level]);  in qgroup_trace_extent_swap()
2008 			btrfs_node_key_to_cpu(src_path->nodes[cur_level],  in qgroup_trace_extent_swap()
2009 					&src_key, src_path->slots[cur_level]);  in qgroup_trace_extent_swap()
2011 			btrfs_item_key_to_cpu(dst_path->nodes[cur_level],  in qgroup_trace_extent_swap()
2012 					&dst_key, dst_path->slots[cur_level]);  in qgroup_trace_extent_swap()
2013 			btrfs_item_key_to_cpu(src_path->nodes[cur_level],  in qgroup_trace_extent_swap()
2014 					&src_key, src_path->slots[cur_level]);  in qgroup_trace_extent_swap()
2021 		cur_level--;  in qgroup_trace_extent_swap()
2075 					   int cur_level, int root_level,  in qgroup_trace_new_subtree_blocks()  argument
2085 	if (cur_level < 0 || cur_level >= BTRFS_MAX_LEVEL - 1 ||  in qgroup_trace_new_subtree_blocks()
2087 	    root_level < cur_level) {  in qgroup_trace_new_subtree_blocks()
2090 			__func__, cur_level, root_level);  in qgroup_trace_new_subtree_blocks()
2095 	if (dst_path->nodes[cur_level] == NULL) {  in qgroup_trace_new_subtree_blocks()
2105 		if (cur_level == root_level) {  in qgroup_trace_new_subtree_blocks()
2108 				__func__, root_level, root_level, cur_level);  in qgroup_trace_new_subtree_blocks()
2116 		eb = dst_path->nodes[cur_level + 1];  in qgroup_trace_new_subtree_blocks()
2117 		parent_slot = dst_path->slots[cur_level + 1];  in qgroup_trace_new_subtree_blocks()
2127 				     cur_level, &first_key);  in qgroup_trace_new_subtree_blocks()
2137 		dst_path->nodes[cur_level] = eb;  in qgroup_trace_new_subtree_blocks()
2138 		dst_path->slots[cur_level] = 0;  in qgroup_trace_new_subtree_blocks()
2142 		dst_path->locks[cur_level] = BTRFS_READ_LOCK_BLOCKING;  in qgroup_trace_new_subtree_blocks()
2147 	ret = qgroup_trace_extent_swap(trans, src_eb, dst_path, cur_level,  in qgroup_trace_new_subtree_blocks()
2152 	eb = dst_path->nodes[cur_level];  in qgroup_trace_new_subtree_blocks()
2154 	if (cur_level > 0) {  in qgroup_trace_new_subtree_blocks()
2160 			dst_path->slots[cur_level] = i;  in qgroup_trace_new_subtree_blocks()
2164 					dst_path, cur_level - 1, root_level,  in qgroup_trace_new_subtree_blocks()
2174 		btrfs_tree_unlock_rw(dst_path->nodes[cur_level],  in qgroup_trace_new_subtree_blocks()
2175 				     dst_path->locks[cur_level]);  in qgroup_trace_new_subtree_blocks()
2176 		free_extent_buffer(dst_path->nodes[cur_level]);  in qgroup_trace_new_subtree_blocks()
2177 		dst_path->nodes[cur_level] = NULL;  in qgroup_trace_new_subtree_blocks()
2178 		dst_path->slots[cur_level] = 0;  in qgroup_trace_new_subtree_blocks()
2179 		dst_path->locks[cur_level] = 0;  in qgroup_trace_new_subtree_blocks()