need_truncate    5904 fs/btrfs/send.c 	int need_truncate = 1;
need_truncate    5946 fs/btrfs/send.c 			need_truncate = 0;
need_truncate    5963 fs/btrfs/send.c 			need_truncate = 0;
need_truncate    5982 fs/btrfs/send.c 		if (need_truncate) {