blkif_req
info->tag_set.cmd_size = sizeof(struct blkif_req);
static inline struct blkif_req *blkif_req(struct request *rq)
blkif_req(req)->error = BLK_STS_OK;
blkif_req(req)->error = BLK_STS_IOERR;
blkif_req(req)->error = BLK_STS_NOTSUPP;
blkif_req(req)->error = BLK_STS_NOTSUPP;
blkif_req(req)->error = BLK_STS_NOTSUPP;
if (unlikely(blkif_req(req)->error)) {
if (blkif_req(req)->error == BLK_STS_NOTSUPP)
blkif_req(req)->error = BLK_STS_OK;
blk_mq_end_request(rq, blkif_req(rq)->error);