Block flush need this function without needing run queue,
so introduce the parameter.

Signed-off-by: Ming Lei <[email protected]>
---
 block/blk-core.c | 2 +-
 block/blk-mq.c   | 5 +++--
 block/blk-mq.h   | 2 +-
 3 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/block/blk-core.c b/block/blk-core.c
index aebe676225e6..bb9ec0013582 100644
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -2347,7 +2347,7 @@ blk_status_t blk_insert_cloned_request(struct 
request_queue *q, struct request *
                 * bypass a potential scheduler on the bottom device for
                 * insert.
                 */
-               blk_mq_request_bypass_insert(rq);
+               blk_mq_request_bypass_insert(rq, true);
                return BLK_STS_OK;
        }
 
diff --git a/block/blk-mq.c b/block/blk-mq.c
index 98a18609755e..21331e785919 100644
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -1405,7 +1405,7 @@ void __blk_mq_insert_request(struct blk_mq_hw_ctx *hctx, 
struct request *rq,
  * Should only be used carefully, when the caller knows we want to
  * bypass a potential IO scheduler on the target device.
  */
-void blk_mq_request_bypass_insert(struct request *rq)
+void blk_mq_request_bypass_insert(struct request *rq, bool run_queue)
 {
        struct blk_mq_ctx *ctx = rq->mq_ctx;
        struct blk_mq_hw_ctx *hctx = blk_mq_map_queue(rq->q, ctx->cpu);
@@ -1414,7 +1414,8 @@ void blk_mq_request_bypass_insert(struct request *rq)
        list_add_tail(&rq->queuelist, &hctx->dispatch);
        spin_unlock(&hctx->lock);
 
-       blk_mq_run_hw_queue(hctx, false);
+       if (run_queue)
+               blk_mq_run_hw_queue(hctx, false);
 }
 
 void blk_mq_insert_requests(struct blk_mq_hw_ctx *hctx, struct blk_mq_ctx *ctx,
diff --git a/block/blk-mq.h b/block/blk-mq.h
index ef15b3414da5..038bdeb84629 100644
--- a/block/blk-mq.h
+++ b/block/blk-mq.h
@@ -54,7 +54,7 @@ int blk_mq_alloc_rqs(struct blk_mq_tag_set *set, struct 
blk_mq_tags *tags,
  */
 void __blk_mq_insert_request(struct blk_mq_hw_ctx *hctx, struct request *rq,
                                bool at_head);
-void blk_mq_request_bypass_insert(struct request *rq);
+void blk_mq_request_bypass_insert(struct request *rq, bool run_queue);
 void blk_mq_insert_requests(struct blk_mq_hw_ctx *hctx, struct blk_mq_ctx *ctx,
                                struct list_head *list);
 
-- 
2.9.5

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