481 		rdev = conf->mirrors[dev].replacement;  in raid10_end_write_request()
782 		rdev = rcu_dereference(conf->mirrors[disk].replacement);  in read_balance()
1242 				  struct bio *bio, bool replacement,  in raid10_write_one_disk()  argument
1256 	if (replacement) {  in raid10_write_one_disk()
1257 		rdev = conf->mirrors[devnum].replacement;  in raid10_write_one_disk()
1267 	if (replacement)  in raid10_write_one_disk()
1277 	if (!replacement && test_bit(FailFast,  in raid10_write_one_disk()
1403 			conf->mirrors[d].replacement);  in raid10_write_request()
1493 				rdev = conf->mirrors[d].replacement;  in raid10_write_request()
1754 		if (tmp->replacement  in raid10_spare_active()
1755 		    && tmp->replacement->recovery_offset == MaxSector  in raid10_spare_active()
1756 		    && !test_bit(Faulty, &tmp->replacement->flags)  in raid10_spare_active()
1757 		    && !test_and_set_bit(In_sync, &tmp->replacement->flags)) {  in raid10_spare_active()
1771 			sysfs_notify_dirent_safe(tmp->replacement->sysfs_state);  in raid10_spare_active()
1821 			    p->replacement != NULL)  in raid10_add_disk()
1831 			rcu_assign_pointer(p->replacement, rdev);  in raid10_add_disk()
1866 	else if (rdev == p->replacement)  in raid10_remove_disk()
1867 		rdevp = &p->replacement;  in raid10_remove_disk()
1881 	    (!p->replacement || p->replacement == rdev) &&  in raid10_remove_disk()
1897 	if (p->replacement) {  in raid10_remove_disk()
1899 		p->rdev = p->replacement;  in raid10_remove_disk()
1900 		clear_bit(Replacement, &p->replacement->flags);  in raid10_remove_disk()
1904 		p->replacement = NULL;  in raid10_remove_disk()
2000 		rdev = conf->mirrors[d].replacement;  in end_sync_write()
2152 		md_sync_acct(conf->mirrors[d].replacement->bdev,  in sync_request_write()
2288 		atomic_inc(&conf->mirrors[d].replacement->nr_pending);  in recovery_request_write()
2289 		md_sync_acct(conf->mirrors[d].replacement->bdev,  in recovery_request_write()
2674 			rdev = conf->mirrors[dev].replacement;  in handle_write_completed()
2715 			rdev = conf->mirrors[dev].replacement;  in handle_write_completed()
2826 		if (conf->mirrors[i].replacement)  in init_resync()
3013 						rcu_dereference(conf->mirrors[i].replacement);  in raid10_sync_request()
3087 			mreplace = rcu_dereference(mirror->replacement);  in raid10_sync_request()
3408 			rdev = rcu_dereference(conf->mirrors[d].replacement);  in raid10_sync_request()
3441 						conf->mirrors[d].replacement,  in raid10_sync_request()
3820 			if (disk->replacement)  in raid10_run()
3822 			disk->replacement = rdev;  in raid10_run()
3880 		if (!disk->rdev && disk->replacement) {  in raid10_run()
3882 			disk->rdev = disk->replacement;  in raid10_run()
3883 			disk->replacement = NULL;  in raid10_run()
3896 		if (disk->replacement &&  in raid10_run()
3897 		    !test_bit(In_sync, &disk->replacement->flags) &&  in raid10_run()
3898 		    disk->replacement->saved_raid_disk < 0) {  in raid10_run()
4583 			rdev2 = rcu_dereference(conf->mirrors[d].replacement);  in reshape_request()
4676 			rdev = rcu_dereference(conf->mirrors[d].replacement);  in reshape_request_write()
4810 		rdev = conf->mirrors[d].replacement;  in end_reshape_write()
4856 			rdev = rcu_dereference(conf->mirrors[d].replacement);  in raid10_finish_reshape()