diff options
Diffstat (limited to 'block/blk-mq.h')
| -rw-r--r-- | block/blk-mq.h | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/block/blk-mq.h b/block/blk-mq.h index ebf67f4d4f2e..d8ccb341e82e 100644 --- a/block/blk-mq.h +++ b/block/blk-mq.h @@ -258,7 +258,20 @@ static inline void blk_mq_put_driver_tag(struct request *rq) __blk_mq_put_driver_tag(rq->mq_hctx, rq); } -bool blk_mq_get_driver_tag(struct request *rq); +bool __blk_mq_get_driver_tag(struct blk_mq_hw_ctx *hctx, struct request *rq); + +static inline bool blk_mq_get_driver_tag(struct request *rq) +{ + struct blk_mq_hw_ctx *hctx = rq->mq_hctx; + + if (rq->tag != BLK_MQ_NO_TAG && + !(hctx->flags & BLK_MQ_F_TAG_QUEUE_SHARED)) { + hctx->tags->rqs[rq->tag] = rq; + return true; + } + + return __blk_mq_get_driver_tag(hctx, rq); +} static inline void blk_mq_clear_mq_map(struct blk_mq_queue_map *qmap) { |