188 	tmpfs_node_t *node, *dnode;  in tmpfs_newvnode()  local
192 		dnode = VP_TO_TMPFS_DIR(dvp);  in tmpfs_newvnode()
193 		if (dnode->tn_links == 0)  in tmpfs_newvnode()
197 			if (dnode->tn_links == LINK_MAX)  in tmpfs_newvnode()
199 			KASSERT(dnode->tn_links < LINK_MAX);  in tmpfs_newvnode()
202 		dnode = NULL;  in tmpfs_newvnode()
248 		KASSERT(dnode != NULL);  in tmpfs_newvnode()
250 		node->tn_gid = dnode->tn_gid;  in tmpfs_newvnode()
372 	tmpfs_node_t *dnode = VP_TO_TMPFS_DIR(dvp), *node;  in tmpfs_construct_node()  local
426 		wde = tmpfs_dir_lookup(dnode, cnp);  in tmpfs_construct_node()
428 		tmpfs_dir_detach(dnode, wde);  in tmpfs_construct_node()
433 	tmpfs_dir_attach(dnode, de, node);  in tmpfs_construct_node()
498 tmpfs_dir_attach(tmpfs_node_t *dnode, tmpfs_dirent_t *de, tmpfs_node_t *node)  in tmpfs_dir_attach()  argument
500 	vnode_t *dvp = dnode->tn_vnode;  in tmpfs_dir_attach()
508 	de->td_seq = tmpfs_dir_getseq(dnode, de);  in tmpfs_dir_attach()
518 	} else if ((dnode->tn_gen & TMPFS_WHITEOUT_BIT) == 0) {  in tmpfs_dir_attach()
520 		atomic_or_32(&dnode->tn_gen, TMPFS_WHITEOUT_BIT);  in tmpfs_dir_attach()
524 	TAILQ_INSERT_TAIL(&dnode->tn_spec.tn_dir.tn_dir, de, td_entries);  in tmpfs_dir_attach()
525 	KASSERT(dnode->tn_size <= __type_max(off_t) - sizeof(tmpfs_dirent_t));  in tmpfs_dir_attach()
526 	dnode->tn_size += sizeof(tmpfs_dirent_t);  in tmpfs_dir_attach()
527 	uvm_vnp_setsize(dvp, dnode->tn_size);  in tmpfs_dir_attach()
532 		node->tn_spec.tn_dir.tn_parent = dnode;  in tmpfs_dir_attach()
535 		KASSERT(dnode->tn_links < LINK_MAX);  in tmpfs_dir_attach()
536 		dnode->tn_links++;  in tmpfs_dir_attach()
554 tmpfs_dir_detach(tmpfs_node_t *dnode, tmpfs_dirent_t *de)  in tmpfs_dir_detach()  argument
557 	vnode_t *dvp = dnode->tn_vnode;  in tmpfs_dir_detach()
570 			KASSERT(node->tn_spec.tn_dir.tn_parent == dnode);  in tmpfs_dir_detach()
573 			KASSERT(dnode->tn_links > 0);  in tmpfs_dir_detach()
574 			dnode->tn_links--;  in tmpfs_dir_detach()
580 	if (dnode->tn_spec.tn_dir.tn_readdir_lastp == de) {  in tmpfs_dir_detach()
581 		dnode->tn_spec.tn_dir.tn_readdir_lastp = NULL;  in tmpfs_dir_detach()
583 	TAILQ_REMOVE(&dnode->tn_spec.tn_dir.tn_dir, de, td_entries);  in tmpfs_dir_detach()
584 	KASSERT(dnode->tn_size >= sizeof(tmpfs_dirent_t));  in tmpfs_dir_detach()
585 	dnode->tn_size -= sizeof(tmpfs_dirent_t);  in tmpfs_dir_detach()
586 	tmpfs_dir_putseq(dnode, de);  in tmpfs_dir_detach()
589 		uvm_vnp_setsize(dvp, dnode->tn_size);  in tmpfs_dir_detach()
652 tmpfs_dir_getseq(tmpfs_node_t *dnode, tmpfs_dirent_t *de)  in tmpfs_dir_getseq()  argument
659 	TMPFS_VALIDATE_DIR(dnode);  in tmpfs_dir_getseq()
677 	seq = dnode->tn_spec.tn_dir.tn_next_seq;  in tmpfs_dir_getseq()
682 		dnode->tn_spec.tn_dir.tn_next_seq++;  in tmpfs_dir_getseq()
690 	if ((seq_arena = dnode->tn_spec.tn_dir.tn_seq_arena) == NULL) {  in tmpfs_dir_getseq()
694 		dnode->tn_spec.tn_dir.tn_seq_arena = seq_arena;  in tmpfs_dir_getseq()
706 tmpfs_dir_putseq(tmpfs_node_t *dnode, tmpfs_dirent_t *de)  in tmpfs_dir_putseq()  argument
708 	vmem_t *seq_arena = dnode->tn_spec.tn_dir.tn_seq_arena;  in tmpfs_dir_putseq()
711 	TMPFS_VALIDATE_DIR(dnode);  in tmpfs_dir_putseq()
726 	if (seq_arena && dnode->tn_size == 0) {  in tmpfs_dir_putseq()
727 		dnode->tn_spec.tn_dir.tn_seq_arena = NULL;  in tmpfs_dir_putseq()
728 		dnode->tn_spec.tn_dir.tn_next_seq = TMPFS_DIRSEQ_START;  in tmpfs_dir_putseq()