73 	struct ubifs_znode *znode, *zprev;  in shrink_tnc()  local
79 	if (!c->zroot.znode || atomic_long_read(&c->clean_zn_cnt) == 0)  in shrink_tnc()
92 	znode = ubifs_tnc_levelorder_next(c->zroot.znode, NULL);  in shrink_tnc()
93 	while (znode && total_freed < nr &&  in shrink_tnc()
115 		if (znode->cnext) {  in shrink_tnc()
121 		} else if (!ubifs_zn_dirty(znode) &&  in shrink_tnc()
122 			   abs(time - znode->time) >= age) {  in shrink_tnc()
123 			if (znode->parent)  in shrink_tnc()
124 				znode->parent->zbranch[znode->iip].znode = NULL;  in shrink_tnc()
126 				c->zroot.znode = NULL;  in shrink_tnc()
128 			freed = ubifs_destroy_tnc_subtree(znode);  in shrink_tnc()
132 			znode = zprev;  in shrink_tnc()
135 		if (unlikely(!c->zroot.znode))  in shrink_tnc()
138 		zprev = znode;  in shrink_tnc()
139 		znode = ubifs_tnc_levelorder_next(c->zroot.znode, znode);  in shrink_tnc()