linux-kernel - [PATCH 06/13] smb: update struct duplicate_extents_to_file

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Message-ID: <20251209011020.3270989-7-chenxiaosong.chenxiaosong@linux.dev>
Date: Tue,  9 Dec 2025 09:10:12 +0800
From: chenxiaosong.chenxiaosong@...ux.dev
To: sfrench@...ba.org,
	smfrench@...il.com,
	linkinjeon@...nel.org,
	linkinjeon@...ba.org
Cc: linux-cifs@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	liuzhengyuan@...inos.cn,
	huhai@...inos.cn,
	liuyun01@...inos.cn,
	ChenXiaoSong <chenxiaosong@...inos.cn>
Subject: [PATCH 06/13] smb: update struct duplicate_extents_to_file_ex

From: ChenXiaoSong <chenxiaosong@...inos.cn>

Add the missing field to the structure (see MS-FSCC 2.3.9.2), and correct
the section number in the documentation reference.

Signed-off-by: ChenXiaoSong <chenxiaosong@...inos.cn>
---
 fs/smb/common/smb2pdu.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/fs/smb/common/smb2pdu.h b/fs/smb/common/smb2pdu.h
index 87a92cd00282..5d6ca221d4b6 100644
--- a/fs/smb/common/smb2pdu.h
+++ b/fs/smb/common/smb2pdu.h
@@ -1510,9 +1510,10 @@ struct duplicate_extents_to_file {
 	__le64 ByteCount;  /* Bytes to be copied */
 } __packed;
 
-/* See MS-FSCC 2.3.8 */
+/* See MS-FSCC 2.3.9 */
 #define DUPLICATE_EXTENTS_DATA_EX_SOURCE_ATOMIC	0x00000001
 struct duplicate_extents_to_file_ex {
+	__u64 StructureSize; /* MUST be set to 0x30 */
 	__u64 PersistentFileHandle; /* source file handle, opaque endianness */
 	__u64 VolatileFileHandle;
 	__le64 SourceFileOffset;
-- 
2.43.0