From 3d8b35387e01cab217dc4691a6f770cbb6ed852c Mon Sep 17 00:00:00 2001
From: Keith Busch <kbusch@kernel.org>
Date: Wed, 6 Jul 2022 10:05:05 -0700
Subject: nvme: use struct group for generic command dwords

[ Upstream commit 5c629dc9609dc43492a7bc8060cc6120875bf096 ]

This will allow the trace event to know the full size of the data
intended to be copied and silence read overflow checks.

Reported-by: John Garry <john.garry@huawei.com>
Suggested-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Keith Busch <kbusch@kernel.org>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 include/linux/nvme.h | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'include')

diff --git a/include/linux/nvme.h b/include/linux/nvme.h
index f626a445d1a8..99b1b56f0cd3 100644
--- a/include/linux/nvme.h
+++ b/include/linux/nvme.h
@@ -867,12 +867,14 @@ struct nvme_common_command {
 	__le32			cdw2[2];
 	__le64			metadata;
 	union nvme_data_ptr	dptr;
+	struct_group(cdws,
 	__le32			cdw10;
 	__le32			cdw11;
 	__le32			cdw12;
 	__le32			cdw13;
 	__le32			cdw14;
 	__le32			cdw15;
+	);
 };
 
 struct nvme_rw_command {
-- 
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