365 static bool __is_raid10_far(int layout);
464 static unsigned int __raid10_near_copies(int layout)  in __raid10_near_copies()  argument
466 	return layout & 0xFF;  in __raid10_near_copies()
470 static unsigned int __raid10_far_copies(int layout)  in __raid10_far_copies()  argument
472 	return __raid10_near_copies(layout >> RAID10_FAR_COPIES_SHIFT);  in __raid10_far_copies()
476 static bool __is_raid10_offset(int layout)  in __is_raid10_offset()  argument
478 	return !!(layout & RAID10_OFFSET);  in __is_raid10_offset()
482 static bool __is_raid10_near(int layout)  in __is_raid10_near()  argument
484 	return !__is_raid10_offset(layout) && __raid10_near_copies(layout) > 1;  in __is_raid10_near()
488 static bool __is_raid10_far(int layout)  in __is_raid10_far()  argument
490 	return !__is_raid10_offset(layout) && __raid10_far_copies(layout) > 1;  in __is_raid10_far()
494 static const char *raid10_md_layout_to_format(int layout)  in raid10_md_layout_to_format()  argument
502 	if (__is_raid10_offset(layout))  in raid10_md_layout_to_format()
505 	if (__raid10_near_copies(layout) > 1)  in raid10_md_layout_to_format()
508 	WARN_ON(__raid10_far_copies(layout) < 2);  in raid10_md_layout_to_format()
527 static unsigned int raid10_md_layout_to_copies(int layout)  in raid10_md_layout_to_copies()  argument
529 	return max(__raid10_near_copies(layout), __raid10_far_copies(layout));  in raid10_md_layout_to_copies()
571 static bool __got_raid10(struct raid_type *rtp, const int layout)  in __got_raid10()  argument
577 			return __is_raid10_near(layout);  in __got_raid10()
579 			return __is_raid10_offset(layout);  in __got_raid10()
581 			return __is_raid10_far(layout);  in __got_raid10()
603 static struct raid_type *get_raid_type_by_ll(const int level, const int layout)  in get_raid_type_by_ll()  argument
610 		    (__got_raid10(rtp, layout) || rtp->algorithm == layout))  in get_raid_type_by_ll()
647 	mddev->new_layout = mddev->layout;  in rs_set_cur()
660 	mddev->layout = mddev->new_layout;  in rs_set_new()
694 	rs->md.layout = raid_type->algorithm;  in raid_set_alloc()
695 	rs->md.new_layout = rs->md.layout;  in raid_set_alloc()
1582 		if (__is_raid10_offset(mddev->layout))  in rs_check_takeover()
1585 		near_copies = __raid10_near_copies(mddev->layout);  in rs_check_takeover()
1599 			    __raid10_far_copies(mddev->layout) > 1)  in rs_check_takeover()
1607 		    max(near_copies, __raid10_far_copies(mddev->layout)) == mddev->raid_disks)  in rs_check_takeover()
1646 		    mddev->layout == ALGORITHM_PARITY_N)  in rs_check_takeover()
1653 		    mddev->layout == ALGORITHM_PARITY_N)  in rs_check_takeover()
1658 		    mddev->layout == ALGORITHM_PARITY_N)  in rs_check_takeover()
1668 		    ((mddev->layout == ALGORITHM_PARITY_N && mddev->new_layout == ALGORITHM_PARITY_N) ||  in rs_check_takeover()
1676 		    mddev->layout == ALGORITHM_PARITY_N)  in rs_check_takeover()
1681 		    mddev->layout == ALGORITHM_PARITY_N)  in rs_check_takeover()
1686 		    ((mddev->layout == ALGORITHM_PARITY_N && mddev->new_layout == ALGORITHM_PARITY_N) ||  in rs_check_takeover()
1716 	change = mddev->new_layout != mddev->layout ||  in rs_reshape_requested()
1776 	__le32 layout;  member
1941 	sb->layout = cpu_to_le32(mddev->layout);  in super_sync()
2061 		mddev->layout = le32_to_cpu(sb->layout);  in super_init_validation()
2083 			rs->raid_type = get_raid_type_by_ll(mddev->level, mddev->layout);  in super_init_validation()
2094 		if (le32_to_cpu(sb->layout) != mddev->new_layout) {  in super_init_validation()
2096 			DMERR("	 0x%X vs 0x%X", le32_to_cpu(sb->layout), mddev->layout);  in super_init_validation()
2098 			      raid10_md_layout_to_format(le32_to_cpu(sb->layout)),  in super_init_validation()
2099 			      raid10_md_layout_to_copies(le32_to_cpu(sb->layout)));  in super_init_validation()
2101 			      raid10_md_layout_to_format(mddev->layout),  in super_init_validation()
2102 			      raid10_md_layout_to_copies(mddev->layout));  in super_init_validation()
2214 				if (__is_raid10_near(mddev->layout)) {  in super_init_validation()
2215 					if (mddev->raid_disks % __raid10_near_copies(mddev->layout) ||  in super_init_validation()
2523 			mddev->layout = raid10_format_to_md_layout(rs, ALGORITHM_RAID10_FAR,  in rs_setup_takeover()
2527 			mddev->layout = raid10_format_to_md_layout(rs, ALGORITHM_RAID10_NEAR,  in rs_setup_takeover()
2562 		    __is_raid10_near(mddev->layout) &&  in rs_prepare_reshape()
2564 		    rs->raid10_copies != __raid10_near_copies(mddev->layout)) {  in rs_prepare_reshape()
2578 			mddev->layout = raid10_format_to_md_layout(rs, ALGORITHM_RAID10_NEAR,  in rs_prepare_reshape()
2580 			mddev->new_layout = mddev->layout;  in rs_prepare_reshape()
2632 	    mddev->layout != mddev->new_layout) {  in rs_setup_reshape()
2634 		mddev->new_layout = mddev->layout;  in rs_setup_reshape()
3268 					 raid10_md_layout_to_format(mddev->layout));  in raid_status()
3271 					 raid10_md_layout_to_copies(mddev->layout));  in raid_status()