116 	int size = offsetof(struct r1bio, bios[pi->raid_disks]);  in r1bio_pool_alloc()
142 	rps = kmalloc_array(pi->raid_disks, sizeof(struct resync_pages),  in r1buf_pool_alloc()
150 	for (j = pi->raid_disks ; j-- ; ) {  in r1buf_pool_alloc()
163 		need_pages = pi->raid_disks;  in r1buf_pool_alloc()
166 	for (j = 0; j < pi->raid_disks; j++) {  in r1buf_pool_alloc()
192 	while (++j < pi->raid_disks)  in r1buf_pool_alloc()
208 	for (i = pi->raid_disks; i--; ) {  in r1buf_pool_free()
224 	for (i = 0; i < conf->raid_disks * 2; i++) {  in put_all_bios()
246 	for (i = 0; i < conf->raid_disks * 2; i++) {  in put_buf()
329 	int raid_disks = conf->raid_disks;  in find_bio_disk()  local
331 	for (mirror = 0; mirror < raid_disks * 2; mirror++)  in find_bio_disk()
335 	BUG_ON(mirror == raid_disks * 2);  in find_bio_disk()
367 		if (r1_bio->mddev->degraded == conf->raid_disks ||  in raid1_end_read_request()
368 		    (r1_bio->mddev->degraded == conf->raid_disks-1 &&  in raid1_end_read_request()
617 	for (disk = 0 ; disk < conf->raid_disks * 2 ; disk++) {  in read_balance()
782 	for (i = 0; i < conf->raid_disks * 2; i++) {  in raid1_congested()
1207 	memset(r1_bio->bios, 0, conf->raid_disks * sizeof(r1_bio->bios[0]));  in alloc_r1bio()
1384 	disks = conf->raid_disks * 2;  in raid1_write_request()
1398 			if (i < conf->raid_disks)  in raid1_write_request()
1530 		    conf->raid_disks - mddev->degraded > 1)  in raid1_write_request()
1600 	seq_printf(seq, " [%d/%d] [", conf->raid_disks,  in raid1_status()
1601 		   conf->raid_disks - mddev->degraded);  in raid1_status()
1603 	for (i = 0; i < conf->raid_disks; i++) {  in raid1_status()
1626 	    && (conf->raid_disks - mddev->degraded) == 1) {  in raid1_error()
1651 		mdname(mddev), conf->raid_disks - mddev->degraded);  in raid1_error()
1663 	pr_debug(" --- wd:%d rd:%d\n", conf->raid_disks - conf->mddev->degraded,  in print_conf()
1664 		 conf->raid_disks);  in print_conf()
1667 	for (i = 0; i < conf->raid_disks; i++) {  in print_conf()
1706 	for (i = 0; i < conf->raid_disks; i++) {  in raid1_spare_active()
1708 		struct md_rdev *repl = conf->mirrors[conf->raid_disks + i].rdev;  in raid1_spare_active()
1750 	int last = conf->raid_disks - 1;  in raid1_add_disk()
1767 	    rdev->saved_raid_disk < conf->raid_disks &&  in raid1_add_disk()
1790 		    p[conf->raid_disks].rdev == NULL) {  in raid1_add_disk()
1797 			rcu_assign_pointer(p[conf->raid_disks].rdev, rdev);  in raid1_add_disk()
1815 		p = conf->mirrors + conf->raid_disks + number;  in raid1_remove_disk()
1829 		    mddev->degraded < conf->raid_disks) {  in raid1_remove_disk()
1843 		if (conf->mirrors[conf->raid_disks + number].rdev) {  in raid1_remove_disk()
1849 				conf->mirrors[conf->raid_disks + number].rdev;  in raid1_remove_disk()
1864 			conf->mirrors[conf->raid_disks + number].rdev = NULL;  in raid1_remove_disk()
2030 			if (d == conf->raid_disks * 2)  in fix_sync_read_error()
2045 			for (d = 0; d < conf->raid_disks * 2; d++) {  in fix_sync_read_error()
2071 				d = conf->raid_disks * 2;  in fix_sync_read_error()
2086 				d = conf->raid_disks * 2;  in fix_sync_read_error()
2122 	for (i = 0; i < conf->raid_disks * 2; i++) {  in process_checks()
2142 	for (primary = 0; primary < conf->raid_disks * 2; primary++)  in process_checks()
2150 	for (i = 0; i < conf->raid_disks * 2; i++) {  in process_checks()
2196 	int disks = conf->raid_disks * 2;  in sync_request_write()
2282 			if (d == conf->raid_disks * 2)  in fix_read_error()
2297 				d = conf->raid_disks * 2;  in fix_read_error()
2315 				d = conf->raid_disks * 2;  in fix_read_error()
2415 	for (m = 0; m < conf->raid_disks * 2 ; m++) {  in handle_sync_write_finished()
2439 	for (m = 0; m < conf->raid_disks * 2 ; m++)  in handle_write_finished()
2612 	for (i = conf->poolinfo->raid_disks; i--; ) {  in raid1_alloc_init_r1buf()
2731 	for (i = 0; i < conf->raid_disks * 2; i++) {  in raid1_sync_request()
2738 			if (i < conf->raid_disks)  in raid1_sync_request()
2803 		for (i = 0 ; i < conf->raid_disks * 2 ; i++)  in raid1_sync_request()
2873 		for (i = 0 ; i < conf->raid_disks * 2; i++) {  in raid1_sync_request()
2910 		for (i = 0; i < conf->raid_disks * 2 && read_targets; i++) {  in raid1_sync_request()
2931 static sector_t raid1_size(struct mddev *mddev, sector_t sectors, int raid_disks)  in raid1_size()  argument
2972 					    mddev->raid_disks, 2),  in setup_conf()
2984 	conf->poolinfo->raid_disks = mddev->raid_disks * 2;  in setup_conf()
3000 		if (disk_idx >= mddev->raid_disks  in setup_conf()
3004 			disk = conf->mirrors + mddev->raid_disks + disk_idx;  in setup_conf()
3014 	conf->raid_disks = mddev->raid_disks;  in setup_conf()
3027 	for (i = 0; i < conf->raid_disks * 2; i++) {  in setup_conf()
3031 		if (i < conf->raid_disks &&  in setup_conf()
3032 		    disk[conf->raid_disks].rdev) {  in setup_conf()
3039 					disk[conf->raid_disks].rdev;  in setup_conf()
3040 				disk[conf->raid_disks].rdev = NULL;  in setup_conf()
3127 	for (i = 0; i < conf->raid_disks; i++)  in raid1_run()
3135 	if (conf->raid_disks - mddev->degraded < 1) {  in raid1_run()
3140 	if (conf->raid_disks - mddev->degraded == 1)  in raid1_run()
3147 		mdname(mddev), mddev->raid_disks - mddev->degraded,  in raid1_run()
3148 		mddev->raid_disks);  in raid1_run()
3243 	int cnt, raid_disks;  in raid1_reshape()  local
3264 	raid_disks = mddev->raid_disks + mddev->delta_disks;  in raid1_reshape()
3266 	if (raid_disks < conf->raid_disks) {  in raid1_reshape()
3268 		for (d= 0; d < conf->raid_disks; d++)  in raid1_reshape()
3271 		if (cnt > raid_disks)  in raid1_reshape()
3279 	newpoolinfo->raid_disks = raid_disks * 2;  in raid1_reshape()
3288 					 raid_disks, 2),  in raid1_reshape()
3302 	for (d = d2 = 0; d < conf->raid_disks; d++) {  in raid1_reshape()
3321 	mddev->degraded += (raid_disks - conf->raid_disks);  in raid1_reshape()
3323 	conf->raid_disks = mddev->raid_disks = raid_disks;  in raid1_reshape()
3351 	if (mddev->level == 5 && mddev->raid_disks == 2) {  in raid1_takeover()