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  1.   c9f801deb73d69cb815199861d1f433ea476f4a2
  2.   patches.suse
  3.   nvme-apply-nvme-API-to-quiesce-unquiesce-admin-queue.patch
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From: Ming Lei <ming.lei@redhat.com>
Date: Thu, 14 Oct 2021 16:17:06 +0800
Subject: nvme: apply nvme API to quiesce/unquiesce admin queue
Patch-mainline: v5.16-rc1
Git-commit: 6ca1d9027e0d9ce5604a3e28de89456a76138034
References: bsc#1201651

Apply the added two APIs to quiesce/unquiesce admin queue.

Signed-off-by: Ming Lei <ming.lei@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20211014081710.1871747-3-ming.lei@redhat.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Acked-by: Daniel Wagner <dwagner@suse.de>
---
 drivers/nvme/host/core.c   |    2 +-
 drivers/nvme/host/fc.c     |    8 ++++----
 drivers/nvme/host/pci.c    |    8 ++++----
 drivers/nvme/host/rdma.c   |   14 +++++++-------
 drivers/nvme/host/tcp.c    |   16 ++++++++--------
 drivers/nvme/target/loop.c |    4 ++--
 6 files changed, 26 insertions(+), 26 deletions(-)

--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -4488,7 +4488,7 @@ void nvme_kill_queues(struct nvme_ctrl *
 
 	/* Forcibly unquiesce queues to avoid blocking dispatch */
 	if (ctrl->admin_q && !blk_queue_dying(ctrl->admin_q))
-		blk_mq_unquiesce_queue(ctrl->admin_q);
+		nvme_start_admin_queue(ctrl);
 
 	list_for_each_entry(ns, &ctrl->namespaces, list)
 		nvme_set_queue_dying(ns);
--- a/drivers/nvme/host/fc.c
+++ b/drivers/nvme/host/fc.c
@@ -2382,7 +2382,7 @@ nvme_fc_ctrl_free(struct kref *ref)
 	list_del(&ctrl->ctrl_list);
 	spin_unlock_irqrestore(&ctrl->rport->lock, flags);
 
-	blk_mq_unquiesce_queue(ctrl->ctrl.admin_q);
+	nvme_start_admin_queue(&ctrl->ctrl);
 	blk_cleanup_queue(ctrl->ctrl.admin_q);
 	blk_cleanup_queue(ctrl->ctrl.fabrics_q);
 	blk_mq_free_tag_set(&ctrl->admin_tag_set);
@@ -2510,7 +2510,7 @@ static void
 	/*
 	 * clean up the admin queue. Same thing as above.
 	 */
-	blk_mq_quiesce_queue(ctrl->ctrl.admin_q);
+	nvme_stop_admin_queue(&ctrl->ctrl);
 	blk_sync_queue(ctrl->ctrl.admin_q);
 	blk_mq_tagset_busy_iter(&ctrl->admin_tag_set,
 				nvme_fc_terminate_exchange, &ctrl->ctrl);
@@ -3095,7 +3095,7 @@ nvme_fc_create_association(struct nvme_f
 	ctrl->ctrl.max_hw_sectors = ctrl->ctrl.max_segments <<
 						(ilog2(SZ_4K) - 9);
 
-	blk_mq_unquiesce_queue(ctrl->ctrl.admin_q);
+	nvme_start_admin_queue(&ctrl->ctrl);
 
 	ret = nvme_init_ctrl_finish(&ctrl->ctrl);
 	if (ret || test_bit(ASSOC_FAILED, &ctrl->flags))
@@ -3249,7 +3249,7 @@ nvme_fc_delete_association(struct nvme_f
 	nvme_fc_free_queue(&ctrl->queues[0]);
 
 	/* re-enable the admin_q so anything new can fast fail */
-	blk_mq_unquiesce_queue(ctrl->ctrl.admin_q);
+	nvme_start_admin_queue(&ctrl->ctrl);
 
 	/* resume the io queues so that things will fast fail */
 	nvme_start_queues(&ctrl->ctrl);
--- a/drivers/nvme/host/pci.c
+++ b/drivers/nvme/host/pci.c
@@ -1395,7 +1395,7 @@ static int nvme_suspend_queue(struct nvm
 
 	nvmeq->dev->online_queues--;
 	if (!nvmeq->qid && nvmeq->dev->ctrl.admin_q)
-		blk_mq_quiesce_queue(nvmeq->dev->ctrl.admin_q);
+		nvme_stop_admin_queue(&nvmeq->dev->ctrl);
 	if (!test_and_clear_bit(NVMEQ_POLLED, &nvmeq->flags))
 		pci_free_irq(to_pci_dev(nvmeq->dev->dev), nvmeq->cq_vector, nvmeq);
 	return 0;
@@ -1654,7 +1654,7 @@ static void nvme_dev_remove_admin(struct
 		 * user requests may be waiting on a stopped queue. Start the
 		 * queue to flush these to completion.
 		 */
-		blk_mq_unquiesce_queue(dev->ctrl.admin_q);
+		nvme_start_admin_queue(&dev->ctrl);
 		blk_cleanup_queue(dev->ctrl.admin_q);
 		blk_mq_free_tag_set(&dev->admin_tagset);
 	}
@@ -1688,7 +1688,7 @@ static int nvme_alloc_admin_tags(struct
 			return -ENODEV;
 		}
 	} else
-		blk_mq_unquiesce_queue(dev->ctrl.admin_q);
+		nvme_start_admin_queue(&dev->ctrl);
 
 	return 0;
 }
@@ -2623,7 +2623,7 @@ static void nvme_dev_disable(struct nvme
 	if (shutdown) {
 		nvme_start_queues(&dev->ctrl);
 		if (dev->ctrl.admin_q && !blk_queue_dying(dev->ctrl.admin_q))
-			blk_mq_unquiesce_queue(dev->ctrl.admin_q);
+			nvme_start_admin_queue(&dev->ctrl);
 	}
 	mutex_unlock(&dev->shutdown_lock);
 }
--- a/drivers/nvme/host/rdma.c
+++ b/drivers/nvme/host/rdma.c
@@ -918,7 +918,7 @@ static int nvme_rdma_configure_admin_que
 	else
 		ctrl->ctrl.max_integrity_segments = 0;
 
-	blk_mq_unquiesce_queue(ctrl->ctrl.admin_q);
+	nvme_start_admin_queue(&ctrl->ctrl);
 
 	error = nvme_init_ctrl_finish(&ctrl->ctrl);
 	if (error)
@@ -927,7 +927,7 @@ static int nvme_rdma_configure_admin_que
 	return 0;
 
 out_quiesce_queue:
-	blk_mq_quiesce_queue(ctrl->ctrl.admin_q);
+	nvme_stop_admin_queue(&ctrl->ctrl);
 	blk_sync_queue(ctrl->ctrl.admin_q);
 out_stop_queue:
 	nvme_rdma_stop_queue(&ctrl->queues[0]);
@@ -1025,12 +1025,12 @@ static int nvme_rdma_configure_io_queues
 static void nvme_rdma_teardown_admin_queue(struct nvme_rdma_ctrl *ctrl,
 		bool remove)
 {
-	blk_mq_quiesce_queue(ctrl->ctrl.admin_q);
+	nvme_stop_admin_queue(&ctrl->ctrl);
 	blk_sync_queue(ctrl->ctrl.admin_q);
 	nvme_rdma_stop_queue(&ctrl->queues[0]);
 	nvme_cancel_admin_tagset(&ctrl->ctrl);
 	if (remove)
-		blk_mq_unquiesce_queue(ctrl->ctrl.admin_q);
+		nvme_start_admin_queue(&ctrl->ctrl);
 	nvme_rdma_destroy_admin_queue(ctrl, remove);
 }
 
@@ -1153,7 +1153,7 @@ static int nvme_rdma_setup_ctrl(struct n
 		nvme_rdma_destroy_io_queues(ctrl, new);
 	}
 destroy_admin:
-	blk_mq_quiesce_queue(ctrl->ctrl.admin_q);
+	nvme_stop_admin_queue(&ctrl->ctrl);
 	blk_sync_queue(ctrl->ctrl.admin_q);
 	nvme_rdma_stop_queue(&ctrl->queues[0]);
 	nvme_cancel_admin_tagset(&ctrl->ctrl);
@@ -1193,7 +1193,7 @@ static void nvme_rdma_error_recovery_wor
 	nvme_rdma_teardown_io_queues(ctrl, false);
 	nvme_start_queues(&ctrl->ctrl);
 	nvme_rdma_teardown_admin_queue(ctrl, false);
-	blk_mq_unquiesce_queue(ctrl->ctrl.admin_q);
+	nvme_start_admin_queue(&ctrl->ctrl);
 
 	if (!nvme_change_ctrl_state(&ctrl->ctrl, NVME_CTRL_CONNECTING)) {
 		/* state change failure is ok if we started ctrl delete */
@@ -2231,7 +2231,7 @@ static void nvme_rdma_shutdown_ctrl(stru
 	cancel_delayed_work_sync(&ctrl->reconnect_work);
 
 	nvme_rdma_teardown_io_queues(ctrl, shutdown);
-	blk_mq_quiesce_queue(ctrl->ctrl.admin_q);
+	nvme_stop_admin_queue(&ctrl->ctrl);
 	if (shutdown)
 		nvme_shutdown_ctrl(&ctrl->ctrl);
 	else
--- a/drivers/nvme/host/tcp.c
+++ b/drivers/nvme/host/tcp.c
@@ -1918,7 +1918,7 @@ static int nvme_tcp_configure_admin_queu
 	if (error)
 		goto out_stop_queue;
 
-	blk_mq_unquiesce_queue(ctrl->admin_q);
+	nvme_start_admin_queue(ctrl);
 
 	error = nvme_init_ctrl_finish(ctrl);
 	if (error)
@@ -1927,7 +1927,7 @@ static int nvme_tcp_configure_admin_queu
 	return 0;
 
 out_quiesce_queue:
-	blk_mq_quiesce_queue(ctrl->admin_q);
+	nvme_stop_admin_queue(ctrl);
 	blk_sync_queue(ctrl->admin_q);
 out_stop_queue:
 	nvme_tcp_stop_queue(ctrl, 0);
@@ -1949,12 +1949,12 @@ static int nvme_tcp_configure_admin_queu
 static void nvme_tcp_teardown_admin_queue(struct nvme_ctrl *ctrl,
 		bool remove)
 {
-	blk_mq_quiesce_queue(ctrl->admin_q);
+	nvme_stop_admin_queue(ctrl);
 	blk_sync_queue(ctrl->admin_q);
 	nvme_tcp_stop_queue(ctrl, 0);
 	nvme_cancel_admin_tagset(ctrl);
 	if (remove)
-		blk_mq_unquiesce_queue(ctrl->admin_q);
+		nvme_start_admin_queue(ctrl);
 	nvme_tcp_destroy_admin_queue(ctrl, remove);
 }
 
@@ -1963,7 +1963,7 @@ static void nvme_tcp_teardown_io_queues(
 {
 	if (ctrl->queue_count <= 1)
 		return;
-	blk_mq_quiesce_queue(ctrl->admin_q);
+	nvme_stop_admin_queue(ctrl);
 	nvme_start_freeze(ctrl);
 	nvme_stop_queues(ctrl);
 	nvme_sync_io_queues(ctrl);
@@ -2058,7 +2058,7 @@ static int nvme_tcp_setup_ctrl(struct nv
 		nvme_tcp_destroy_io_queues(ctrl, new);
 	}
 destroy_admin:
-	blk_mq_quiesce_queue(ctrl->admin_q);
+	nvme_stop_admin_queue(ctrl);
 	blk_sync_queue(ctrl->admin_q);
 	nvme_tcp_stop_queue(ctrl, 0);
 	nvme_cancel_admin_tagset(ctrl);
@@ -2101,7 +2101,7 @@ static void nvme_tcp_error_recovery_work
 	/* unquiesce to fail fast pending requests */
 	nvme_start_queues(ctrl);
 	nvme_tcp_teardown_admin_queue(ctrl, false);
-	blk_mq_unquiesce_queue(ctrl->admin_q);
+	nvme_start_admin_queue(ctrl);
 
 	if (!nvme_change_ctrl_state(ctrl, NVME_CTRL_CONNECTING)) {
 		/* state change failure is ok if we started ctrl delete */
@@ -2119,7 +2119,7 @@ static void nvme_tcp_teardown_ctrl(struc
 	cancel_delayed_work_sync(&to_tcp_ctrl(ctrl)->connect_work);
 
 	nvme_tcp_teardown_io_queues(ctrl, shutdown);
-	blk_mq_quiesce_queue(ctrl->admin_q);
+	nvme_stop_admin_queue(ctrl);
 	if (shutdown)
 		nvme_shutdown_ctrl(ctrl);
 	else
--- a/drivers/nvme/target/loop.c
+++ b/drivers/nvme/target/loop.c
@@ -398,7 +398,7 @@ static int nvme_loop_configure_admin_que
 	ctrl->ctrl.max_hw_sectors =
 		(NVME_LOOP_MAX_SEGMENTS - 1) << (PAGE_SHIFT - 9);
 
-	blk_mq_unquiesce_queue(ctrl->ctrl.admin_q);
+	nvme_start_admin_queue(&ctrl->ctrl);
 
 	error = nvme_init_ctrl_finish(&ctrl->ctrl);
 	if (error)
@@ -428,7 +428,7 @@ static void nvme_loop_shutdown_ctrl(stru
 		nvme_loop_destroy_io_queues(ctrl);
 	}
 
-	blk_mq_quiesce_queue(ctrl->ctrl.admin_q);
+	nvme_stop_admin_queue(&ctrl->ctrl);
 	if (ctrl->ctrl.state == NVME_CTRL_LIVE)
 		nvme_shutdown_ctrl(&ctrl->ctrl);
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