465 		rdev = conf->mirrors[dev].replacement;  in raid10_end_write_request()
476 			/* Never record new bad blocks to replacement,  in raid10_end_write_request()
758 		rdev = conf->mirrors[disk].replacement;  in read_balance()
1244 				  struct bio *bio, bool replacement,  in raid10_write_one_disk()  argument
1253 	rdev = replacement ? conf->mirrors[devnum].replacement :  in raid10_write_one_disk()
1257 	if (replacement)  in raid10_write_one_disk()
1265 	if (!replacement && test_bit(FailFast,  in raid10_write_one_disk()
1320 		rrdev = conf->mirrors[i].replacement;  in wait_blocked_dev()
1419 		rrdev = conf->mirrors[d].replacement;  in raid10_write_request()
1512 		struct md_rdev *rrdev = conf->mirrors[d].replacement;  in raid10_write_request()
1589 	rdev = repl ? conf->mirrors[dev].replacement :  in raid10_end_discard_request()
1754 		rrdev = conf->mirrors[disk].replacement;  in raid10_handle_discard()
1827 			struct md_rdev *rrdev = conf->mirrors[disk].replacement;  in raid10_handle_discard()
2067 		if (tmp->replacement  in raid10_spare_active()
2068 		    && tmp->replacement->recovery_offset == MaxSector  in raid10_spare_active()
2069 		    && !test_bit(Faulty, &tmp->replacement->flags)  in raid10_spare_active()
2070 		    && !test_and_set_bit(In_sync, &tmp->replacement->flags)) {  in raid10_spare_active()
2071 			/* Replacement has just become active */  in raid10_spare_active()
2084 			sysfs_notify_dirent_safe(tmp->replacement->sysfs_state);  in raid10_spare_active()
2133 			    p->replacement == NULL && repl_slot < 0)  in raid10_add_disk()
2154 		set_bit(Replacement, &rdev->flags);  in raid10_add_disk()
2160 		WRITE_ONCE(p->replacement, rdev);  in raid10_add_disk()
2181 	else if (rdev == p->replacement)  in raid10_remove_disk()
2182 		rdevp = &p->replacement;  in raid10_remove_disk()
2196 	    (!p->replacement || p->replacement == rdev) &&  in raid10_remove_disk()
2203 	if (p->replacement) {  in raid10_remove_disk()
2205 		WRITE_ONCE(p->rdev, p->replacement);  in raid10_remove_disk()
2206 		clear_bit(Replacement, &p->replacement->flags);  in raid10_remove_disk()
2207 		WRITE_ONCE(p->replacement, NULL);  in raid10_remove_disk()
2301 		rdev = conf->mirrors[d].replacement;  in end_sync_write()
2436 	/* Now write out to any replacement devices  in sync_request_write()
2450 		md_sync_acct(conf->mirrors[d].replacement->bdev,  in sync_request_write()
2589 		atomic_inc(&conf->mirrors[d].replacement->nr_pending);  in recovery_request_write()
2590 		md_sync_acct(conf->mirrors[d].replacement->bdev,  in recovery_request_write()
2911 			rdev = conf->mirrors[dev].replacement;  in handle_write_completed()
2949 			rdev = conf->mirrors[dev].replacement;  in handle_write_completed()
3058 		if (conf->mirrors[i].replacement)  in init_resync()
3243 						conf->mirrors[i].replacement;  in raid10_sync_request()
3329 			mreplace = mirror->replacement;  in raid10_sync_request()
3349 			/* Unless we are doing a full sync, or a replacement  in raid10_sync_request()
3465 				/* and maybe write to replacement */  in raid10_sync_request()
3640 			rdev = conf->mirrors[d].replacement;  in raid10_sync_request()
3646 			/* Need to set up for writing to the replacement */  in raid10_sync_request()
3671 						conf->mirrors[d].replacement,  in raid10_sync_request()
4067 		if (test_bit(Replacement, &rdev->flags)) {  in raid10_run()
4068 			if (disk->replacement)  in raid10_run()
4070 			disk->replacement = rdev;  in raid10_run()
4122 		if (!disk->rdev && disk->replacement) {  in raid10_run()
4123 			/* The replacement is all we have - use it */  in raid10_run()
4124 			disk->rdev = disk->replacement;  in raid10_run()
4125 			disk->replacement = NULL;  in raid10_run()
4126 			clear_bit(Replacement, &disk->rdev->flags);  in raid10_run()
4138 		if (disk->replacement &&  in raid10_run()
4139 		    !test_bit(In_sync, &disk->replacement->flags) &&  in raid10_run()
4140 		    disk->replacement->saved_raid_disk < 0) {  in raid10_run()
4842 			rdev2 = conf->mirrors[d].replacement;  in reshape_request()
4932 			rdev = conf->mirrors[d].replacement;  in reshape_request_write()
5062 	rdev = repl ? conf->mirrors[d].replacement :  in end_reshape_write()
5104 			rdev = conf->mirrors[d].replacement;  in raid10_finish_reshape()