Hi, The first patch try to improve blk_mq_tag_to_rq(). The second patch will cleanup code. Yufen Yu (2): blk-mq: test tags bitmap before get request blk-mq: blk_mq_tag_to_rq() always return null for sched_tags block/blk-mq.c | 24 ++++++++++++------------ 1 file changed, 12 insertions(+), 12 deletions(-) -- 2.25.4