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-rw-r--r--block/blk-mq.h20
1 files changed, 20 insertions, 0 deletions
diff --git a/block/blk-mq.h b/block/blk-mq.h
index 3661e821d460..863a2f3346d4 100644
--- a/block/blk-mq.h
+++ b/block/blk-mq.h
@@ -193,6 +193,26 @@ static inline bool blk_mq_get_dispatch_budget(struct request_queue *q)
return true;
}
+static inline void __blk_mq_put_driver_tag(struct blk_mq_hw_ctx *hctx,
+ struct request *rq)
+{
+ blk_mq_put_tag(hctx->tags, rq->mq_ctx, rq->tag);
+ rq->tag = BLK_MQ_NO_TAG;
+
+ if (rq->rq_flags & RQF_MQ_INFLIGHT) {
+ rq->rq_flags &= ~RQF_MQ_INFLIGHT;
+ atomic_dec(&hctx->nr_active);
+ }
+}
+
+static inline void blk_mq_put_driver_tag(struct request *rq)
+{
+ if (rq->tag == BLK_MQ_NO_TAG || rq->internal_tag == BLK_MQ_NO_TAG)
+ return;
+
+ __blk_mq_put_driver_tag(rq->mq_hctx, rq);
+}
+
static inline void blk_mq_clear_mq_map(struct blk_mq_queue_map *qmap)
{
int cpu;