ref: 11025d6f4a2c3c7e75010f85c2d3108e602270b7
parent: f5f37ba5eb2a471c1014b406d00a84df87295143
author: BurnZeZ <devnull@localhost>
date: Sun Mar 29 13:39:30 EDT 2020
lib9p: fix re-use of root Qid when using createfile(); remove unused dirqidgen