[PATCH 06/13] smb: update struct duplicate_extents_to_file_ex

chenxiaosong.chenxiaosong
2025-12-09T01:12:00Z

From: ChenXiaoSong <chenxiaosong@kylinos.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@kylinos.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