diff options
| author | David S. Miller <davem@davemloft.net> | 2018-08-02 20:55:32 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2018-08-02 20:55:32 +0300 |
| commit | 89b1698c93a9dee043154f33d96bca9964e705f1 (patch) | |
| tree | dd9dcb1965baae8edcf0b496aaa6a70609b6fc11 /include/linux/blk-mq.h | |
| parent | ffd7ce3cd9c294f1ff49ec02cdbd1bc7cb913db6 (diff) | |
| parent | e30cb13c5a09ff5f043a6570c32e49b063bea6a1 (diff) | |
| download | linux-89b1698c93a9dee043154f33d96bca9964e705f1.tar.xz | |
Merge ra.kernel.org:/pub/scm/linux/kernel/git/davem/net
The BTF conflicts were simple overlapping changes.
The virtio_net conflict was an overlap of a fix of statistics counter,
happening alongisde a move over to a bonafide statistics structure
rather than counting value on the stack.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/linux/blk-mq.h')
| -rw-r--r-- | include/linux/blk-mq.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/include/linux/blk-mq.h b/include/linux/blk-mq.h index e3147eb74222..ca3f2c2edd85 100644 --- a/include/linux/blk-mq.h +++ b/include/linux/blk-mq.h @@ -287,6 +287,20 @@ void blk_mq_update_nr_hw_queues(struct blk_mq_tag_set *set, int nr_hw_queues); void blk_mq_quiesce_queue_nowait(struct request_queue *q); +/** + * blk_mq_mark_complete() - Set request state to complete + * @rq: request to set to complete state + * + * Returns true if request state was successfully set to complete. If + * successful, the caller is responsibile for seeing this request is ended, as + * blk_mq_complete_request will not work again. + */ +static inline bool blk_mq_mark_complete(struct request *rq) +{ + return cmpxchg(&rq->state, MQ_RQ_IN_FLIGHT, MQ_RQ_COMPLETE) == + MQ_RQ_IN_FLIGHT; +} + /* * Driver command data is immediately after the request. So subtract request * size to get back to the original request, add request size to get the PDU. |