diff options
| author | Keith Busch <keith.busch@intel.com> | 2018-11-26 19:54:28 +0300 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2018-11-26 20:34:24 +0300 |
| commit | 16c15eb16a793f2d81ae52f41f43fb6831b34212 (patch) | |
| tree | 186d56d7aabeff57f4069d2b052894d5ff044584 | |
| parent | 4ab32bf3305eedb4d31f85cac68a67becab10494 (diff) | |
| download | linux-16c15eb16a793f2d81ae52f41f43fb6831b34212.tar.xz | |
blk-mq: Return true if request was completed
A driver may have internal state to cleanup if we're pretending a request
didn't complete. Return 'false' if the command wasn't actually completed
due to the timeout error injection, and true otherwise.
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Keith Busch <keith.busch@intel.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
| -rw-r--r-- | block/blk-mq.c | 5 | ||||
| -rw-r--r-- | include/linux/blk-mq.h | 2 |
2 files changed, 4 insertions, 3 deletions
diff --git a/block/blk-mq.c b/block/blk-mq.c index 37674c1766a7..7c8cfa0cd420 100644 --- a/block/blk-mq.c +++ b/block/blk-mq.c @@ -638,11 +638,12 @@ static void hctx_lock(struct blk_mq_hw_ctx *hctx, int *srcu_idx) * Ends all I/O on a request. It does not handle partial completions. * The actual completion happens out-of-order, through a IPI handler. **/ -void blk_mq_complete_request(struct request *rq) +bool blk_mq_complete_request(struct request *rq) { if (unlikely(blk_should_fake_timeout(rq->q))) - return; + return false; __blk_mq_complete_request(rq); + return true; } EXPORT_SYMBOL(blk_mq_complete_request); diff --git a/include/linux/blk-mq.h b/include/linux/blk-mq.h index ca0520ca6437..6e3da356a8eb 100644 --- a/include/linux/blk-mq.h +++ b/include/linux/blk-mq.h @@ -298,7 +298,7 @@ void blk_mq_add_to_requeue_list(struct request *rq, bool at_head, bool kick_requeue_list); void blk_mq_kick_requeue_list(struct request_queue *q); void blk_mq_delay_kick_requeue_list(struct request_queue *q, unsigned long msecs); -void blk_mq_complete_request(struct request *rq); +bool blk_mq_complete_request(struct request *rq); bool blk_mq_bio_list_merge(struct request_queue *q, struct list_head *list, struct bio *bio); bool blk_mq_queue_stopped(struct request_queue *q); |