xfs_inode_alloc_unitsize
rounding = max_t(xfs_off_t, xfs_inode_alloc_unitsize(ip), PAGE_SIZE);
rounding = xfs_inode_alloc_unitsize(ip);
unsigned int alloc_unit = xfs_inode_alloc_unitsize(ip2);
unsigned int alloc_unit = xfs_inode_alloc_unitsize(ip);
unsigned int xfs_inode_alloc_unitsize(struct xfs_inode *ip);
stat->dio_offset_align = xfs_inode_alloc_unitsize(ip);