NILFS_BMAP_LARGE_LOW
__u64 keys[NILFS_BMAP_LARGE_LOW + 1];
__u64 ptrs[NILFS_BMAP_LARGE_LOW + 1];
bmap, keys, ptrs, NILFS_BMAP_LARGE_LOW + 1);
return (maxkey == key) && (nextmaxkey < NILFS_BMAP_LARGE_LOW);