.iop_size = (uint(*)(xfs_log_item_t*))xfs_buf_item_size,
.iop_format = (void(*)(xfs_log_item_t*, xfs_log_iovec_t*))
xfs_buf_item_format,
.iop_size = (uint(*)(xfs_log_item_t*))xfs_buf_item_size,
.iop_format = (void(*)(xfs_log_item_t*, xfs_log_iovec_t*))
xfs_buf_item_format,