diff options
| author | Dave Airlie <airlied@redhat.com> | 2018-07-30 03:39:22 +0300 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2018-07-30 03:39:22 +0300 |
| commit | 3fce4618279373efc59a91adb16c11da46cd69e5 (patch) | |
| tree | 086fad6c9f260a0bcc9b6a3532c6cddc387dd907 /include/linux/blk-mq.h | |
| parent | ecd7963f7cf967009882fd56eaee1e87a229bea2 (diff) | |
| parent | acb1872577b346bd15ab3a3f8dff780d6cca4b70 (diff) | |
| download | linux-3fce4618279373efc59a91adb16c11da46cd69e5.tar.xz | |
BackMerge v4.18-rc7 into drm-next
rmk requested this for armada and I think we've had a few
conflicts build up.
Signed-off-by: Dave Airlie <airlied@redhat.com>
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. |