The "result" field is in 64bit to be printed out which means it could be like: nvme_complete_rq: nvme0: qid=0, cmdid=0, res=18446612684158962624, etries=0, flags=0x0, status=0 Switch both the result and status field to be printed in hexadecimal format to be easier to read. Signe...
nvme: fix multipath crash caused by flush request when blktrace is enabled 由blk_kick_flush初始化的flush请求具有NULL的bio。在io完成期间,可能会被nvme_end_req处理。当启用blktrace时,激活多路径的nvme_trace_bio_complete尝试从flush请求访问NULL指针bio数据,导致系统crash。