received_uuid_changed 5015 fs/btrfs/ioctl.c int received_uuid_changed; received_uuid_changed 5051 fs/btrfs/ioctl.c received_uuid_changed = memcmp(root_item->received_uuid, sa->uuid, received_uuid_changed 5053 fs/btrfs/ioctl.c if (received_uuid_changed && received_uuid_changed 5078 fs/btrfs/ioctl.c if (received_uuid_changed && !btrfs_is_empty_uuid(sa->uuid)) {