walk_log_tree 3307 fs/btrfs/tree-log.c ret = walk_log_tree(trans, log, &wc); walk_log_tree 6187 fs/btrfs/tree-log.c ret = walk_log_tree(trans, log_root_tree, &wc); walk_log_tree 6262 fs/btrfs/tree-log.c ret = walk_log_tree(trans, log, &wc);