306 		ore_calc_stripe_info(layout, offset, length, &ios->si);  in ore_get_rw_state()
307 		ios->length = ios->si.length;  in ore_get_rw_state()
541 			  u64 length, struct ore_striping_info *si)  in ore_calc_stripe_info()  argument
569 	div_u64_rem(file_offset, stripe_unit, &si->unit_off);  in ore_calc_stripe_info()
571 	si->obj_offset = si->unit_off + (N * stripe_unit) +  in ore_calc_stripe_info()
573 	si->cur_comp = C - first_dev;  in ore_calc_stripe_info()
574 	si->cur_pg = si->unit_off / PAGE_SIZE;  in ore_calc_stripe_info()
581 		si->par_dev = (group_width + group_width - parity - RxP) %  in ore_calc_stripe_info()
583 		si->dev = (group_width + group_width + C - RxP) %  in ore_calc_stripe_info()
585 		si->bytes_in_stripe = U;  in ore_calc_stripe_info()
586 		si->first_stripe_start = M * S + G * T + N * U;  in ore_calc_stripe_info()
589 		si->par_dev = group_width;  in ore_calc_stripe_info()
590 		si->dev = C;  in ore_calc_stripe_info()
593 	si->dev *= layout->mirrors_p1;  in ore_calc_stripe_info()
594 	si->par_dev *= layout->mirrors_p1;  in ore_calc_stripe_info()
595 	si->offset = file_offset;  in ore_calc_stripe_info()
596 	si->length = T - H;  in ore_calc_stripe_info()
597 	if (si->length > length)  in ore_calc_stripe_info()
598 		si->length = length;  in ore_calc_stripe_info()
600 	Nlast = div_u64(H + si->length + U - 1, U);  in ore_calc_stripe_info()
601 	si->maxdevUnits = Nlast - N;  in ore_calc_stripe_info()
603 	si->M = M;  in ore_calc_stripe_info()
621 			bio_size = ios->si.maxdevUnits;  in _ore_add_stripe_unit()
623 			bio_size = (ios->si.maxdevUnits + 1) *  in _ore_add_stripe_unit()
656 		_add_stripe_page(ios->sp2d, &ios->si, pages[pg]);  in _ore_add_stripe_unit()
675 			     struct ore_striping_info *si,  in _add_parity_units()  argument
693 			per_dev->offset = si->obj_offset - si->unit_off;  in _add_parity_units()
696 		ret = _ore_add_parity_unit(ios, si, per_dev, cur_len,  in _add_parity_units()
703 			si->cur_comp = (si->cur_comp + 1) %  in _add_parity_units()
713 	struct ore_striping_info *si = &ios->si;  in _prepare_for_striping()  local
718 	unsigned dev = si->dev;  in _prepare_for_striping()
729 	BUG_ON(length > si->length);  in _prepare_for_striping()
739 			if (dev == si->dev) {  in _prepare_for_striping()
740 				WARN_ON(dev == si->par_dev);  in _prepare_for_striping()
741 				per_dev->offset = si->obj_offset;  in _prepare_for_striping()
742 				cur_len = stripe_unit - si->unit_off;  in _prepare_for_striping()
743 				page_off = si->unit_off & ~PAGE_MASK;  in _prepare_for_striping()
746 				per_dev->offset = si->obj_offset - si->unit_off;  in _prepare_for_striping()
763 		si->cur_comp = (si->cur_comp + 1) % group_width;  in _prepare_for_striping()
764 		if (unlikely((dev == si->par_dev) || (!length && ios->sp2d))) {  in _prepare_for_striping()
769 				dev = si->par_dev;  in _prepare_for_striping()
771 				si->cur_comp = group_width - ios->layout->parity;  in _prepare_for_striping()
777 			ret = _add_parity_units(ios, si, dev, first_dev,  in _prepare_for_striping()
784 			si->par_dev = (devs_in_group + si->par_dev -  in _prepare_for_striping()
788 			si->cur_comp = 0;  in _prepare_for_striping()
789 			si->cur_pg = 0;  in _prepare_for_striping()
790 			si->obj_offset += cur_len;  in _prepare_for_striping()
791 			si->unit_off = 0;  in _prepare_for_striping()
906 			per_dev->offset = ios->si.obj_offset;  in _write_mirror()
907 			per_dev->dev = ios->si.dev + dev;  in _write_mirror()
911 			       (ios->si.unit_off + ios->length >  in _write_mirror()
1092 	struct ore_striping_info si;  member
1105 	ore_calc_stripe_info(layout, file_offset, 0, &ti->si);  in _calc_trunk_info()
1107 	ti->prev_group_obj_off = ti->si.M * stripe_unit;  in _calc_trunk_info()
1108 	ti->next_group_obj_off = ti->si.M ? (ti->si.M - 1) * stripe_unit : 0;  in _calc_trunk_info()
1110 	ti->first_group_dev = ti->si.dev - (ti->si.dev % layout->group_width);  in _calc_trunk_info()
1148 		else if (i < ti.si.dev) /* dev within this group */  in ore_truncate()
1149 			obj_size = ti.si.obj_offset +  in ore_truncate()
1150 				      ios->layout->stripe_unit - ti.si.unit_off;  in ore_truncate()
1151 		else if (i == ti.si.dev)  in ore_truncate()
1152 			obj_size = ti.si.obj_offset;  in ore_truncate()
1154 			obj_size = ti.si.obj_offset - ti.si.unit_off;  in ore_truncate()