1392 	u32 su = le32_to_cpu(layout->fl_stripe_unit);  in ceph_calc_file_object_mapping()  local
1399 	     osize, su);  in ceph_calc_file_object_mapping()
1400 	if (su == 0 || sc == 0)  in ceph_calc_file_object_mapping()
1402 	su_per_object = osize / su;  in ceph_calc_file_object_mapping()
1405 	dout("osize %u / su %u = su_per_object %u\n", osize, su,  in ceph_calc_file_object_mapping()
1408 	if ((su & ~PAGE_MASK) != 0)  in ceph_calc_file_object_mapping()
1413 	do_div(t, su);  in ceph_calc_file_object_mapping()
1415 	dout("off %llu / su %u = bl %u\n", off, su, bl);  in ceph_calc_file_object_mapping()
1426 	su_offset = do_div(t, su);  in ceph_calc_file_object_mapping()
1427 	*oxoff = su_offset + (stripeno % su_per_object) * su;  in ceph_calc_file_object_mapping()
1434 	*oxlen = min_t(u64, len, su - su_offset);  in ceph_calc_file_object_mapping()