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From: Ming Lei <ming.lei@redhat.com>
To: Jens Axboe <axboe@kernel.dk>, Christoph Hellwig <hch@lst.de>,
	linux-block@vger.kernel.org
Cc: Sagi Grimberg <sagi@grimberg.me>,
	linux-nvme@lists.infradead.org, Keith Busch <kbusch@kernel.org>,
	Ming Lei <ming.lei@redhat.com>
Subject: [PATCH 1/5] nvme: add APIs for stopping/starting admin queue
Date: Wed, 29 Sep 2021 12:15:55 +0800	[thread overview]
Message-ID: <20210929041559.701102-2-ming.lei@redhat.com> (raw)
In-Reply-To: <20210929041559.701102-1-ming.lei@redhat.com>

Add two APIs for stopping and starting admin queue.

Signed-off-by: Ming Lei <ming.lei@redhat.com>
---
 drivers/nvme/host/core.c | 12 ++++++++++++
 drivers/nvme/host/nvme.h |  2 ++
 2 files changed, 14 insertions(+)

diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index 7fa75433c036..c675eef70a63 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -4563,6 +4563,18 @@ void nvme_start_queues(struct nvme_ctrl *ctrl)
 }
 EXPORT_SYMBOL_GPL(nvme_start_queues);
 
+void nvme_stop_admin_queue(struct nvme_ctrl *ctrl)
+{
+	blk_mq_quiesce_queue(ctrl->admin_q);
+}
+EXPORT_SYMBOL_GPL(nvme_stop_admin_queue);
+
+void nvme_start_admin_queue(struct nvme_ctrl *ctrl)
+{
+	blk_mq_unquiesce_queue(ctrl->admin_q);
+}
+EXPORT_SYMBOL_GPL(nvme_start_admin_queue);
+
 void nvme_sync_io_queues(struct nvme_ctrl *ctrl)
 {
 	struct nvme_ns *ns;
diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h
index 9871c0c9374c..47877a5f1515 100644
--- a/drivers/nvme/host/nvme.h
+++ b/drivers/nvme/host/nvme.h
@@ -659,6 +659,8 @@ void nvme_complete_async_event(struct nvme_ctrl *ctrl, __le16 status,
 
 void nvme_stop_queues(struct nvme_ctrl *ctrl);
 void nvme_start_queues(struct nvme_ctrl *ctrl);
+void nvme_stop_admin_queue(struct nvme_ctrl *ctrl);
+void nvme_start_admin_queue(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);
-- 
2.31.1


WARNING: multiple messages have this Message-ID (diff)
From: Ming Lei <ming.lei@redhat.com>
To: Jens Axboe <axboe@kernel.dk>, Christoph Hellwig <hch@lst.de>,
	linux-block@vger.kernel.org
Cc: Sagi Grimberg <sagi@grimberg.me>,
	linux-nvme@lists.infradead.org, Keith Busch <kbusch@kernel.org>,
	Ming Lei <ming.lei@redhat.com>
Subject: [PATCH 1/5] nvme: add APIs for stopping/starting admin queue
Date: Wed, 29 Sep 2021 12:15:55 +0800	[thread overview]
Message-ID: <20210929041559.701102-2-ming.lei@redhat.com> (raw)
In-Reply-To: <20210929041559.701102-1-ming.lei@redhat.com>

Add two APIs for stopping and starting admin queue.

Signed-off-by: Ming Lei <ming.lei@redhat.com>
---
 drivers/nvme/host/core.c | 12 ++++++++++++
 drivers/nvme/host/nvme.h |  2 ++
 2 files changed, 14 insertions(+)

diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index 7fa75433c036..c675eef70a63 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -4563,6 +4563,18 @@ void nvme_start_queues(struct nvme_ctrl *ctrl)
 }
 EXPORT_SYMBOL_GPL(nvme_start_queues);
 
+void nvme_stop_admin_queue(struct nvme_ctrl *ctrl)
+{
+	blk_mq_quiesce_queue(ctrl->admin_q);
+}
+EXPORT_SYMBOL_GPL(nvme_stop_admin_queue);
+
+void nvme_start_admin_queue(struct nvme_ctrl *ctrl)
+{
+	blk_mq_unquiesce_queue(ctrl->admin_q);
+}
+EXPORT_SYMBOL_GPL(nvme_start_admin_queue);
+
 void nvme_sync_io_queues(struct nvme_ctrl *ctrl)
 {
 	struct nvme_ns *ns;
diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h
index 9871c0c9374c..47877a5f1515 100644
--- a/drivers/nvme/host/nvme.h
+++ b/drivers/nvme/host/nvme.h
@@ -659,6 +659,8 @@ void nvme_complete_async_event(struct nvme_ctrl *ctrl, __le16 status,
 
 void nvme_stop_queues(struct nvme_ctrl *ctrl);
 void nvme_start_queues(struct nvme_ctrl *ctrl);
+void nvme_stop_admin_queue(struct nvme_ctrl *ctrl);
+void nvme_start_admin_queue(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);
-- 
2.31.1


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

  reply	other threads:[~2021-09-29  4:17 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-09-29  4:15 [PATCH 0/5] blk-mq: support nested queue quiescing Ming Lei
2021-09-29  4:15 ` Ming Lei
2021-09-29  4:15 ` Ming Lei [this message]
2021-09-29  4:15   ` [PATCH 1/5] nvme: add APIs for stopping/starting admin queue Ming Lei
2021-09-29  4:15 ` [PATCH 2/5] nvme: apply nvme API to quiesce/unquiesce " Ming Lei
2021-09-29  4:15   ` Ming Lei
2021-09-29  4:15 ` [PATCH 3/5] nvme: prepare for pairing quiescing and unquiescing Ming Lei
2021-09-29  4:15   ` Ming Lei
2021-09-29  4:15 ` [PATCH 4/5] nvme: paring quiesce/unquiesce Ming Lei
2021-09-29  4:15   ` Ming Lei
2021-09-29 11:49   ` Sagi Grimberg
2021-09-29 11:49     ` Sagi Grimberg
2021-09-29 15:28     ` Ming Lei
2021-09-29 15:28       ` Ming Lei
2021-09-29  4:15 ` [PATCH 5/5] blk-mq: support nested blk_mq_quiesce_queue() Ming Lei
2021-09-29  4:15   ` Ming Lei
2021-09-29 11:53   ` Sagi Grimberg
2021-09-29 11:53     ` Sagi Grimberg
2021-09-29 15:44     ` Ming Lei
2021-09-29 15:44       ` Ming Lei

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