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authorMing Lei <ming.lei@redhat.com>2017-11-02 23:24:34 +0800
committerJens Axboe <axboe@kernel.dk>2017-11-04 12:38:40 -0600
commitb0850297c749ea79a5717d597931366b3d7f4b09 (patch)
treeb22dba5d09cac0a46d5144adbd191bb732b43fcc /block
parent9c71c83c857e7a84a5be5a56ea88da7098f51db8 (diff)
downloadlinux-stericsson-b0850297c749ea79a5717d597931366b3d7f4b09.tar.gz
block: pass 'run_queue' to blk_mq_request_bypass_insert
Block flush need this function without running the queue, so add a parameter controlling whether we run it or not. Signed-off-by: Ming Lei <ming.lei@redhat.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block')
-rw-r--r--block/blk-core.c2
-rw-r--r--block/blk-mq.c5
-rw-r--r--block/blk-mq.h2
3 files changed, 5 insertions, 4 deletions
diff --git a/block/blk-core.c b/block/blk-core.c
index 223f32826e62..b8d1aa2d1008 100644
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -2397,7 +2397,7 @@ 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 6eacc1dea8b7..021562bd5d2c 100644
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -1492,7 +1492,7 @@ 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);
@@ -1501,7 +1501,8 @@ 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 f97aceff76e9..9fffec0ad8e9 100644
--- a/block/blk-mq.h
+++ b/block/blk-mq.h
@@ -56,7 +56,7 @@ 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);