blk_mq_tag_is_reserved 197 block/blk-mq-tag.c if (!blk_mq_tag_is_reserved(tags, tag)) { blk_mq_tag_is_reserved 1069 block/blk-mq.c if (blk_mq_tag_is_reserved(data.hctx->sched_tags, rq->internal_tag))