btrfs_add_delayed_data_ref
int btrfs_add_delayed_data_ref(struct btrfs_trans_handle *trans,
ret = btrfs_add_delayed_data_ref(trans, generic_ref, 0);
ret = btrfs_add_delayed_data_ref(trans, ref, 0);
return btrfs_add_delayed_data_ref(trans, &generic_ref, ram_bytes);
ret = btrfs_add_delayed_data_ref(trans, &ref, 0);
ret = btrfs_add_delayed_data_ref(trans, &ref, 0);
ret = btrfs_add_delayed_data_ref(trans, &ref, 0);
ret = btrfs_add_delayed_data_ref(trans, &ref, 0);
ret = btrfs_add_delayed_data_ref(trans, &ref, 0);
ret = btrfs_add_delayed_data_ref(trans, &ref, 0);
ret = btrfs_add_delayed_data_ref(trans, &ref, 0);
ret = btrfs_add_delayed_data_ref(trans, &ref, 0);
ret = btrfs_add_delayed_data_ref(trans, &ref, 0);
ret = btrfs_add_delayed_data_ref(trans, &ref, 0);
ret = btrfs_add_delayed_data_ref(trans, &ref, 0);
ret = btrfs_add_delayed_data_ref(trans, &ref, 0);
ret = btrfs_add_delayed_data_ref(trans, &ref, 0);