543 	zio_t *first, *last, *aio, *dio, *mandatory, *nio;  in vdev_queue_aggregate()  local
585 	while ((dio = AVL_PREV(t, first)) != NULL &&  in vdev_queue_aggregate()
586 	    (dio->io_flags & ZIO_FLAG_AGG_INHERIT) == flags &&  in vdev_queue_aggregate()
587 	    IO_SPAN(dio, last) <= zfs_vdev_aggregation_limit &&  in vdev_queue_aggregate()
588 	    IO_GAP(dio, first) <= maxgap &&  in vdev_queue_aggregate()
589 	    dio->io_type == zio->io_type) {  in vdev_queue_aggregate()
590 		first = dio;  in vdev_queue_aggregate()
609 	while ((dio = AVL_NEXT(t, last)) != NULL &&  in vdev_queue_aggregate()
610 	    (dio->io_flags & ZIO_FLAG_AGG_INHERIT) == flags &&  in vdev_queue_aggregate()
611 	    (IO_SPAN(first, dio) <= zfs_vdev_aggregation_limit ||  in vdev_queue_aggregate()
612 	    (dio->io_flags & ZIO_FLAG_OPTIONAL)) &&  in vdev_queue_aggregate()
613 	    IO_GAP(last, dio) <= maxgap &&  in vdev_queue_aggregate()
614 	    dio->io_type == zio->io_type) {  in vdev_queue_aggregate()
615 		last = dio;  in vdev_queue_aggregate()
632 		while ((dio = AVL_NEXT(t, nio)) != NULL &&  in vdev_queue_aggregate()
633 		    IO_GAP(nio, dio) == 0 &&  in vdev_queue_aggregate()
634 		    IO_GAP(mandatory, dio) <= zfs_vdev_write_gap_limit) {  in vdev_queue_aggregate()
635 			nio = dio;  in vdev_queue_aggregate()
650 		dio = AVL_NEXT(t, last);  in vdev_queue_aggregate()
651 		dio->io_flags &= ~ZIO_FLAG_OPTIONAL;  in vdev_queue_aggregate()
675 		dio = nio;  in vdev_queue_aggregate()
676 		nio = AVL_NEXT(t, dio);  in vdev_queue_aggregate()
677 		ASSERT3U(dio->io_type, ==, aio->io_type);  in vdev_queue_aggregate()
679 		if (dio->io_flags & ZIO_FLAG_NODATA) {  in vdev_queue_aggregate()
680 			ASSERT3U(dio->io_type, ==, ZIO_TYPE_WRITE);  in vdev_queue_aggregate()
682 			    dio->io_offset - aio->io_offset, dio->io_size);  in vdev_queue_aggregate()
683 		} else if (dio->io_type == ZIO_TYPE_WRITE) {  in vdev_queue_aggregate()
684 			abd_copy_off(aio->io_abd, dio->io_abd,  in vdev_queue_aggregate()
685 			    dio->io_offset - aio->io_offset, 0, dio->io_size);  in vdev_queue_aggregate()
688 		zio_add_child(dio, aio);  in vdev_queue_aggregate()
689 		vdev_queue_io_remove(vq, dio);  in vdev_queue_aggregate()
690 	} while (dio != last);  in vdev_queue_aggregate()
697 	while ((dio = zio_walk_parents(aio, &zl)) != NULL) {  in vdev_queue_aggregate()
698 		zio_vdev_io_bypass(dio);  in vdev_queue_aggregate()
699 		zio_execute(dio);  in vdev_queue_aggregate()