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* [PATCH v2 1/5] nvme-core: introduce sync io queues
@ 2020-10-22  2:15 Chao Leng
  2020-11-03  9:26 ` Christoph Hellwig
  0 siblings, 1 reply; 2+ messages in thread
From: Chao Leng @ 2020-10-22  2:15 UTC (permalink / raw)
  To: linux-nvme; +Cc: kbusch, axboe, hch, lengchao, sagi

Introduce sync io queues for some scenarios which just only need sync
io queues not sync all queues.

Signed-off-by: Chao Leng <lengchao@huawei.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
---
 drivers/nvme/host/core.c | 8 ++++++--
 drivers/nvme/host/nvme.h | 1 +
 2 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index e85f6304efd7..2211cf155e89 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -4573,8 +4573,7 @@ void nvme_start_queues(struct nvme_ctrl *ctrl)
 }
 EXPORT_SYMBOL_GPL(nvme_start_queues);
 
-
-void nvme_sync_queues(struct nvme_ctrl *ctrl)
+void nvme_sync_io_queues(struct nvme_ctrl *ctrl)
 {
 	struct nvme_ns *ns;
 
@@ -4582,7 +4581,12 @@ void nvme_sync_queues(struct nvme_ctrl *ctrl)
 	list_for_each_entry(ns, &ctrl->namespaces, list)
 		blk_sync_queue(ns->queue);
 	up_read(&ctrl->namespaces_rwsem);
+}
+EXPORT_SYMBOL_GPL(nvme_sync_io_queues);
 
+void nvme_sync_queues(struct nvme_ctrl *ctrl)
+{
+	nvme_sync_io_queues(ctrl);
 	if (ctrl->admin_q)
 		blk_sync_queue(ctrl->admin_q);
 }
diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h
index 566776100126..49d7f43511d4 100644
--- a/drivers/nvme/host/nvme.h
+++ b/drivers/nvme/host/nvme.h
@@ -602,6 +602,7 @@ void nvme_stop_queues(struct nvme_ctrl *ctrl);
 void nvme_start_queues(struct nvme_ctrl *ctrl);
 void nvme_kill_queues(struct nvme_ctrl *ctrl);
 void nvme_sync_queues(struct nvme_ctrl *ctrl);
+void nvme_sync_io_queues(struct nvme_ctrl *ctrl);
 void nvme_unfreeze(struct nvme_ctrl *ctrl);
 void nvme_wait_freeze(struct nvme_ctrl *ctrl);
 int nvme_wait_freeze_timeout(struct nvme_ctrl *ctrl, long timeout);
-- 
2.16.4


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^ permalink raw reply	[flat|nested] 2+ messages in thread

* Re: [PATCH v2 1/5] nvme-core: introduce sync io queues
  2020-10-22  2:15 [PATCH v2 1/5] nvme-core: introduce sync io queues Chao Leng
@ 2020-11-03  9:26 ` Christoph Hellwig
  0 siblings, 0 replies; 2+ messages in thread
From: Christoph Hellwig @ 2020-11-03  9:26 UTC (permalink / raw)
  To: Chao Leng; +Cc: kbusch, axboe, hch, linux-nvme, sagi

Thanks,

I've applied the series to nvme-5.10.

_______________________________________________
Linux-nvme mailing list
Linux-nvme@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-nvme

^ permalink raw reply	[flat|nested] 2+ messages in thread

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2020-10-22  2:15 [PATCH v2 1/5] nvme-core: introduce sync io queues Chao Leng
2020-11-03  9:26 ` Christoph Hellwig

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