ntfs_up_cluster
ondisk_size = ntfs_up_cluster(sbi, compr_size);
attr->nres.alloc_size = cpu_to_le64(ntfs_up_cluster(sbi, size));
u32 alloc_size = ntfs_up_cluster(sbi, data_size);
loff_t i_size_up = ntfs_up_cluster(sbi, inode->i_size);
cpu_to_le64(ntfs_up_cluster(sbi, nsize));
sbi->mft.recs_mirr = ntfs_up_cluster(sbi, inode->i_size) >>