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Commit 0a72bbba authored by Christoph Hellwig's avatar Christoph Hellwig
Browse files

nvme: allow calling nvme_change_ctrl_state from irq context 



Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
Reviewed-by: default avatarKeith Busch <keith.busch@intel.com>
Reviewed-by: default avatarSagi Grimberg <sagi@grimberg.me>
parent a751da33

drivers/nvme/host/core.c

+3 −2
Original line number Diff line number Diff line
@@ -176,9 +176,10 @@ bool nvme_change_ctrl_state(struct nvme_ctrl *ctrl, 
		enum nvme_ctrl_state new_state)

{

	enum nvme_ctrl_state old_state;

	unsigned long flags;

	bool changed = false;



	spin_lock_irq(&ctrl->lock);

	spin_lock_irqsave(&ctrl->lock, flags);



	old_state = ctrl->state;

	switch (new_state) {
@@ -239,7 +240,7 @@ bool nvme_change_ctrl_state(struct nvme_ctrl *ctrl, 
	if (changed)

		ctrl->state = new_state;



	spin_unlock_irq(&ctrl->lock);

	spin_unlock_irqrestore(&ctrl->lock, flags);



	return changed;

}