1321 	struct md_rdev *rdev, *rrdev;  in dereference_rdev_and_rrdev()  local
1323 	rrdev = rcu_dereference(mirror->replacement);  in dereference_rdev_and_rrdev()
1330 	if (rdev == rrdev)  in dereference_rdev_and_rrdev()
1331 		rrdev = NULL;  in dereference_rdev_and_rrdev()
1333 	*prrdev = rrdev;  in dereference_rdev_and_rrdev()
1347 		struct md_rdev *rdev, *rrdev;  in wait_blocked_dev()  local
1349 		rdev = dereference_rdev_and_rrdev(&conf->mirrors[i], &rrdev);  in wait_blocked_dev()
1355 		if (rrdev && unlikely(test_bit(Blocked, &rrdev->flags))) {  in wait_blocked_dev()
1356 			atomic_inc(&rrdev->nr_pending);  in wait_blocked_dev()
1357 			blocked_rdev = rrdev;  in wait_blocked_dev()
1476 		struct md_rdev *rdev, *rrdev;  in raid10_write_request()  local
1478 		rdev = dereference_rdev_and_rrdev(&conf->mirrors[d], &rrdev);  in raid10_write_request()
1481 		if (rrdev && (test_bit(Faulty, &rrdev->flags)))  in raid10_write_request()
1482 			rrdev = NULL;  in raid10_write_request()
1487 		if (!rdev && !rrdev)  in raid10_write_request()
1517 		if (rrdev) {  in raid10_write_request()
1519 			atomic_inc(&rrdev->nr_pending);  in raid10_write_request()
1773 		struct md_rdev *rdev, *rrdev;  in raid10_handle_discard()  local
1775 		rdev = dereference_rdev_and_rrdev(&conf->mirrors[disk], &rrdev);  in raid10_handle_discard()
1781 		if (rrdev && (test_bit(Faulty, &rrdev->flags)))  in raid10_handle_discard()
1782 			rrdev = NULL;  in raid10_handle_discard()
1783 		if (!rdev && !rrdev)  in raid10_handle_discard()
1790 		if (rrdev) {  in raid10_handle_discard()
1792 			atomic_inc(&rrdev->nr_pending);  in raid10_handle_discard()
1849 			struct md_rdev *rrdev = conf->mirrors[disk].replacement;  in raid10_handle_discard()  local
1857 			md_submit_discard_bio(mddev, rrdev, rbio,  in raid10_handle_discard()
1858 					dev_start + choose_data_offset(r10_bio, rrdev),  in raid10_handle_discard()