From 427242ce99e43208188f843eed2739d8a99cc967 Mon Sep 17 00:00:00 2001
From: Sagi Grimberg <sagi@grimberg.me>
Date: Mon, 6 Mar 2017 18:46:20 +0200
Subject: nvmet: confirm sq percpu has scheduled and switched to atomic

percpu_ref_kill is not enough to prevent subsequent
percpu_ref_tryget_live from failing. Hence call
perfcpu_ref_kill_confirm to make it safe.

Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Jens Axboe <axboe@fb.com>
---
 drivers/nvme/target/nvmet.h | 1 +
 1 file changed, 1 insertion(+)

(limited to 'drivers/nvme/target/nvmet.h')

diff --git a/drivers/nvme/target/nvmet.h b/drivers/nvme/target/nvmet.h
index 1370eee0a3c0..f7ff15f17ca9 100644
--- a/drivers/nvme/target/nvmet.h
+++ b/drivers/nvme/target/nvmet.h
@@ -73,6 +73,7 @@ struct nvmet_sq {
 	u16			qid;
 	u16			size;
 	struct completion	free_done;
+	struct completion	confirm_done;
 };
 
 /**
-- 
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