From: Ming Lei <ming.lei@redhat.com> mainline inclusion from mainline-v5.4-rc1 commit aa306ab703e9452b1e25cc8e8f04b8df523d0bb8 category: bugfix bugzilla: NA CVE: NA Link: https://gitee.com/openeuler/kernel/issues/I1WGZE ------------------------------------------------- NVMe needs this function to decide if one request to be aborted has been completed in normal IO path already. So introduce it. Cc: Max Gurtovoy <maxg@mellanox.com> Cc: Sagi Grimberg <sagi@grimberg.me> Cc: Keith Busch <keith.busch@intel.com> Cc: Christoph Hellwig <hch@lst.de> Reviewed-by: Sagi Grimberg <sagi@grimberg.me> Signed-off-by: Ming Lei <ming.lei@redhat.com> Signed-off-by: Jens Axboe <axboe@kernel.dk> Reviewed-by: Chao Leng <lengchao@huawei.com> Reviewed-by: Jike Cheng <chengjike.cheng@huawei.com> Signed-off-by: Ruozhu Li <liruozhu@huawei.com> Signed-off-by: Lijie <lijie34@huawei.com> Reviewed-by: Tao Hou <houtao1@huawei.com> Signed-off-by: Yang Yingliang <yangyingliang@huawei.com> --- block/blk-mq.c | 6 ++++++ include/linux/blk-mq.h | 1 + 2 files changed, 7 insertions(+) diff --git a/block/blk-mq.c b/block/blk-mq.c index 7f5360949509..7096f23b18da 100644 --- a/block/blk-mq.c +++ b/block/blk-mq.c @@ -636,6 +636,12 @@ int blk_mq_request_started(struct request *rq) } EXPORT_SYMBOL_GPL(blk_mq_request_started); +int blk_mq_request_completed(struct request *rq) +{ + return blk_mq_rq_state(rq) == MQ_RQ_COMPLETE; +} +EXPORT_SYMBOL_GPL(blk_mq_request_completed); + void blk_mq_start_request(struct request *rq) { struct request_queue *q = rq->q; diff --git a/include/linux/blk-mq.h b/include/linux/blk-mq.h index 4878d8ed4914..b414cad68024 100644 --- a/include/linux/blk-mq.h +++ b/include/linux/blk-mq.h @@ -288,6 +288,7 @@ static inline u16 blk_mq_unique_tag_to_tag(u32 unique_tag) int blk_mq_request_started(struct request *rq); +int blk_mq_request_completed(struct request *rq); void blk_mq_start_request(struct request *rq); void blk_mq_end_request(struct request *rq, blk_status_t error); void __blk_mq_end_request(struct request *rq, blk_status_t error); -- 2.25.1