211 	prt_printf(out, "is_subvol %llu deleted %llu parent %10u children %10u %10u subvol %u tree %u",  in bch2_snapshot_to_text()
215 	       le32_to_cpu(s.v->children[0]),  in bch2_snapshot_to_text()
216 	       le32_to_cpu(s.v->children[1]),  in bch2_snapshot_to_text()
248 	bkey_fsck_err_on(le32_to_cpu(s.v->children[0]) < le32_to_cpu(s.v->children[1]),  in bch2_snapshot_validate()
250 			 "children not normalized");  in bch2_snapshot_validate()
252 	bkey_fsck_err_on(s.v->children[0] && s.v->children[0] == s.v->children[1],  in bch2_snapshot_validate()
257 		id = le32_to_cpu(s.v->children[i]);  in bch2_snapshot_validate()
306 		t->children[0]	= le32_to_cpu(s.v->children[0]);  in __bch2_mark_snapshot()
307 		t->children[1]	= le32_to_cpu(s.v->children[1]);  in __bch2_mark_snapshot()
361 	return snapshot_t(c, id)->children[child];  in bch2_snapshot_child()
710 		if (le32_to_cpu(v.children[0]) != k.k->p.offset &&  in check_snapshot()
711 		    le32_to_cpu(v.children[1]) != k.k->p.offset) {  in check_snapshot()
719 	for (i = 0; i < 2 && s.children[i]; i++) {  in check_snapshot()
720 		id = le32_to_cpu(s.children[i]);  in check_snapshot()
1069 	if (le32_to_cpu(s->children[0]) < le32_to_cpu(s->children[1]))  in normalize_snapshot_child_pointers()
1070 		swap(s->children[0], s->children[1]);  in normalize_snapshot_child_pointers()
1093 	BUG_ON(s.v->children[1]);  in bch2_snapshot_node_delete()
1096 	child_id = le32_to_cpu(s.v->children[0]);  in bch2_snapshot_node_delete()
1110 		/* find entry in parent->children for node being deleted */  in bch2_snapshot_node_delete()
1112 			if (le32_to_cpu(parent->v.children[i]) == id)  in bch2_snapshot_node_delete()
1120 		parent->v.children[i] = cpu_to_le32(child_id);  in bch2_snapshot_node_delete()
1154 		BUG_ON(s.v->children[1]);  in bch2_snapshot_node_delete()
1163 		if (s.v->children[0]) {  in bch2_snapshot_node_delete()
1164 			s_t->v.root_snapshot = s.v->children[0];  in bch2_snapshot_node_delete()
1243  * Create new snapshot IDs as children of an existing snapshot ID:
1264 	if (n_parent->v.children[0] || n_parent->v.children[1]) {  in bch2_snapshot_node_create_children()
1265 		bch_err(trans->c, "Trying to add child snapshot nodes to parent that already has children");  in bch2_snapshot_node_create_children()
1275 	n_parent->v.children[0] = cpu_to_le32(new_snapids[0]);  in bch2_snapshot_node_create_children()
1276 	n_parent->v.children[1] = cpu_to_le32(new_snapids[1]);  in bch2_snapshot_node_create_children()
1363 	for (unsigned i = 0; i < ARRAY_SIZE(s->children); i++)  in __live_child()
1364 		if (s->children[i] &&  in __live_child()
1365 		    !snapshot_list_has_id(delete_leaves, s->children[i]) &&  in __live_child()
1366 		    !interior_delete_has_id(delete_interior, s->children[i]))  in __live_child()
1367 			return s->children[i];  in __live_child()
1369 	for (unsigned i = 0; i < ARRAY_SIZE(s->children); i++) {  in __live_child()
1370 		u32 live_child = s->children[i]  in __live_child()
1371 			? __live_child(t, s->children[i], delete_leaves, delete_interior)  in __live_child()
1452 		u32 child = le32_to_cpu(s.v->children[i]);  in check_should_delete_snapshot()
1561 	 * For every snapshot node: If we have no live children and it's not  in bch2_delete_dead_snapshots()
1622 	 * Fixing children of deleted snapshots can't be done completely  in bch2_delete_dead_snapshots()
1700 	return !!snap.v->children[0] + !!snap.v->children[1] == 1;  in interior_snapshot_needs_delete()