136 			     int mirror_num, int need_raid_map);
5445 					 u64 srcdev_devid, int *mirror_num,  in get_extra_mirror_from_replace()  argument
5464 	if (*mirror_num > num_stripes) {  in get_extra_mirror_from_replace()
5502 	*mirror_num = index_srcdev + 1;  in get_extra_mirror_from_replace()
5610 			     int mirror_num, int need_raid_map)  in __btrfs_map_block()  argument
5707 	if (dev_replace_is_ongoing && mirror_num == map->num_stripes + 1 &&  in __btrfs_map_block()
5711 						    &mirror_num,  in __btrfs_map_block()
5717 	} else if (mirror_num > map->num_stripes) {  in __btrfs_map_block()
5718 		mirror_num = 0;  in __btrfs_map_block()
5727 			mirror_num = 1;  in __btrfs_map_block()
5731 		else if (mirror_num)  in __btrfs_map_block()
5732 			stripe_index = mirror_num - 1;  in __btrfs_map_block()
5736 			mirror_num = stripe_index + 1;  in __btrfs_map_block()
5742 		} else if (mirror_num) {  in __btrfs_map_block()
5743 			stripe_index = mirror_num - 1;  in __btrfs_map_block()
5745 			mirror_num = 1;  in __btrfs_map_block()
5756 		else if (mirror_num)  in __btrfs_map_block()
5757 			stripe_index += mirror_num - 1;  in __btrfs_map_block()
5763 			mirror_num = stripe_index - old_stripe_index + 1;  in __btrfs_map_block()
5767 		if (need_raid_map && (need_full_stripe(op) || mirror_num > 1)) {  in __btrfs_map_block()
5787 			if (mirror_num > 1)  in __btrfs_map_block()
5789 						mirror_num - 2;  in __btrfs_map_block()
5794 			if (!need_full_stripe(op) && mirror_num <= 1)  in __btrfs_map_block()
5795 				mirror_num = 1;  in __btrfs_map_block()
5805 		mirror_num = stripe_index + 1;  in __btrfs_map_block()
5834 	    (need_full_stripe(op) || mirror_num > 1)) {  in __btrfs_map_block()
5885 	bbio->mirror_num = mirror_num;  in __btrfs_map_block()
5896 		bbio->mirror_num = map->num_stripes + 1;  in __btrfs_map_block()
5909 		      struct btrfs_bio **bbio_ret, int mirror_num)  in btrfs_map_block()  argument
5912 				 mirror_num, 0);  in btrfs_map_block()
6041 		btrfs_io_bio(bio)->mirror_num = bbio->mirror_num;  in btrfs_end_bio()
6143 		btrfs_io_bio(bio)->mirror_num = bbio->mirror_num;  in bbio_error()
6154 			   int mirror_num, int async_submit)  in btrfs_map_bio()  argument
6171 				&map_length, &bbio, mirror_num, 1);  in btrfs_map_bio()
6185 	    ((bio_op(bio) == REQ_OP_WRITE) || (mirror_num > 1))) {  in btrfs_map_bio()
6193 						    map_length, mirror_num, 1);  in btrfs_map_bio()