diff options
author | Omar Sandoval <osandov@fb.com> | 2017-04-14 11:00:01 +0300 |
---|---|---|
committer | Jens Axboe <axboe@fb.com> | 2017-04-14 23:06:57 +0300 |
commit | c05f8525f67b7d6489b0502211d4ed35622d9beb (patch) | |
tree | fe474e51721e497374bbf6e674f883e54138e699 /include/linux | |
parent | 5b72727299307e53888277729f980ab03264dac8 (diff) | |
download | linux-c05f8525f67b7d6489b0502211d4ed35622d9beb.tar.xz |
blk-mq-sched: make completed_request() callback more useful
Currently, this callback is called right after put_request() and has no
distinguishable purpose. Instead, let's call it before put_request() as
soon as I/O has completed on the request, before we account it in
blk-stat. With this, Kyber can enable stats when it sees a latency
outlier and make sure the outlier gets accounted.
Signed-off-by: Omar Sandoval <osandov@fb.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'include/linux')
-rw-r--r-- | include/linux/elevator.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/include/linux/elevator.h b/include/linux/elevator.h index b7ec315ee7e7..3a216318ae73 100644 --- a/include/linux/elevator.h +++ b/include/linux/elevator.h @@ -106,7 +106,7 @@ struct elevator_mq_ops { void (*insert_requests)(struct blk_mq_hw_ctx *, struct list_head *, bool); struct request *(*dispatch_request)(struct blk_mq_hw_ctx *); bool (*has_work)(struct blk_mq_hw_ctx *); - void (*completed_request)(struct blk_mq_hw_ctx *, struct request *); + void (*completed_request)(struct request *); void (*started_request)(struct request *); void (*requeue_request)(struct request *); struct request *(*former_request)(struct request_queue *, struct request *); |