239 	int delta_disks;  member
732 	mddev->delta_disks = 0;  in rs_set_new()
755 	rs->delta_disks = 0;  in raid_set_alloc()
765 	rs->md.delta_disks = 0;  in raid_set_alloc()
1397 			rs->delta_disks = value;  in parse_raid_params()
1626 	int delta_disks;  in rs_set_dev_and_array_sectors()  local
1632 		delta_disks = mddev->delta_disks;  in rs_set_dev_and_array_sectors()
1635 		delta_disks = rs->delta_disks;  in rs_set_dev_and_array_sectors()
1644 		    delta_disks < 0) {  in rs_set_dev_and_array_sectors()
1653 		array_sectors = (data_stripes + delta_disks) * dev_sectors;  in rs_set_dev_and_array_sectors()
1662 		array_sectors = (data_stripes + delta_disks) * dev_sectors;  in rs_set_dev_and_array_sectors()
1763 				mddev->delta_disks = mddev->raid_disks;  in rs_check_takeover()
1878 	return (use_mddev ? rs->md.delta_disks : rs->delta_disks) ||  in rs_is_layout_change()
1899 		if (rs->delta_disks)  in rs_reshape_requested()
1900 			return !!rs->delta_disks;  in rs_reshape_requested()
1909 		       rs->delta_disks >= 0;  in rs_reshape_requested()
1976 	__le32 delta_disks;  member
2133 	sb->delta_disks = cpu_to_le32(mddev->delta_disks);  in super_sync()
2141 		if (mddev->delta_disks < 0 || mddev->reshape_backwards)  in super_sync()
2244 		mddev->delta_disks = le32_to_cpu(sb->delta_disks);  in super_init_validation()
2254 			if (mddev->delta_disks < 0 ||  in super_init_validation()
2255 			    (!mddev->delta_disks && (le32_to_cpu(sb->flags) & SB_FLAG_RESHAPE_BACKWARDS)))  in super_init_validation()
2291 			if (rs->delta_disks)  in super_init_validation()
2293 				      mddev->raid_disks, mddev->raid_disks + rs->delta_disks);  in super_init_validation()
2349 			   new_devs != rs->delta_disks) {  in super_init_validation()
2612 	if (rs->delta_disks < 0) {  in rs_adjust_data_offsets()
2624 	} else if (rs->delta_disks > 0) {  in rs_adjust_data_offsets()
2784 		if (rs->delta_disks) {  in rs_prepare_reshape()
2786 			mddev->degraded = rs->delta_disks < 0 ? -rs->delta_disks : rs->delta_disks;  in rs_prepare_reshape()
2840 	mddev->delta_disks = rs->delta_disks;  in rs_setup_reshape()
2844 	if (mddev->delta_disks &&  in rs_setup_reshape()
2846 		DMINFO("Ignoring invalid layout change with delta_disks=%d", rs->delta_disks);  in rs_setup_reshape()
2873 	if (rs->delta_disks > 0) {  in rs_setup_reshape()
2893 	} else if (rs->delta_disks < 0) {  in rs_setup_reshape()
2944 		rs->md.delta_disks = 0;  in rs_reset_inconclusive_reshape()
3653 					 max(rs->delta_disks, mddev->delta_disks));  in raid_status()
4050 		if (mddev->delta_disks < 0)  in raid_resume()