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| author | Ming Lei <ming.lei@redhat.com> | 2019-07-24 11:48:39 +0800 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2019-08-04 21:41:29 -0600 |
| commit | aa306ab703e9452b1e25cc8e8f04b8df523d0bb8 (patch) | |
| tree | 788e30753358ef836231752766f417c9540018cb /block/blk-mq.c | |
| parent | e21a712a9685488f5ce80495b37b9fdbe96c230d (diff) | |
| download | linux-aa306ab703e9452b1e25cc8e8f04b8df523d0bb8.tar.bz2 | |
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: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block/blk-mq.c')
| -rw-r--r-- | block/blk-mq.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/block/blk-mq.c b/block/blk-mq.c index f78d3287dd82..8bb5854a62f3 100644 --- a/block/blk-mq.c +++ b/block/blk-mq.c @@ -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; |