Commit aa306ab7 authored by Ming Lei's avatar Ming Lei Committed by Jens Axboe
Browse files

blk-mq: introduce blk_mq_request_completed()



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: default avatarSagi Grimberg <sagi@grimberg.me>
Signed-off-by: default avatarMing Lei <ming.lei@redhat.com>
Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent e21a712a
......@@ -665,6 +665,12 @@ 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;
......
......@@ -296,6 +296,7 @@ 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);
......
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