494 			bpobj_t *subbpo = kmem_alloc(sizeof (bpobj_t),  in bpobj_iterate_impl()  local
496 			err = bpobj_open(subbpo, bpo->bpo_os, subobj);  in bpobj_iterate_impl()
498 				kmem_free(subbpo, sizeof (bpobj_t));  in bpobj_iterate_impl()
502 			if (subbpo->bpo_havesubobj &&  in bpobj_iterate_impl()
503 			    subbpo->bpo_phys->bpo_subobjs != 0) {  in bpobj_iterate_impl()
504 				dmu_prefetch(subbpo->bpo_os,  in bpobj_iterate_impl()
505 				    subbpo->bpo_phys->bpo_subobjs, 0, 0, 0,  in bpobj_iterate_impl()
509 			list_insert_head(&stack, bpi_alloc(subbpo, bpi, i));  in bpobj_iterate_impl()
510 			mutex_enter(&subbpo->bpo_lock);  in bpobj_iterate_impl()
675 	bpobj_t subbpo;  in bpobj_enqueue_subobj()  local
691 	VERIFY3U(0, ==, bpobj_open(&subbpo, bpo->bpo_os, subobj));  in bpobj_enqueue_subobj()
692 	if (bpobj_is_empty(&subbpo)) {  in bpobj_enqueue_subobj()
694 		bpobj_close(&subbpo);  in bpobj_enqueue_subobj()
698 	VERIFY3U(0, ==, bpobj_space(&subbpo, &used, &comp, &uncomp));  in bpobj_enqueue_subobj()
716 	subsubobjs = subbpo.bpo_phys->bpo_subobjs;  in bpobj_enqueue_subobj()
737 		uint64_t numsubsub = subbpo.bpo_phys->bpo_num_subobjs;  in bpobj_enqueue_subobj()
759 		dmu_buf_will_dirty(subbpo.bpo_dbuf, tx);  in bpobj_enqueue_subobj()
760 		subbpo.bpo_phys->bpo_subobjs = 0;  in bpobj_enqueue_subobj()
766 		uint64_t numbps = subbpo.bpo_phys->bpo_num_blkptrs;  in bpobj_enqueue_subobj()
784 		bpobj_close(&subbpo);  in bpobj_enqueue_subobj()
787 		bpobj_close(&subbpo);  in bpobj_enqueue_subobj()
815 	bpobj_t subbpo;  in bpobj_prefetch_subobj()  local
826 	if (bpobj_open(&subbpo, bpo->bpo_os, subobj) != 0)  in bpobj_prefetch_subobj()
828 	if (bpobj_is_empty(&subbpo)) {  in bpobj_prefetch_subobj()
829 		bpobj_close(&subbpo);  in bpobj_prefetch_subobj()
832 	subsubobjs = subbpo.bpo_phys->bpo_subobjs;  in bpobj_prefetch_subobj()
833 	bpobj_close(&subbpo);  in bpobj_prefetch_subobj()