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-rw-r--r--fs/cifs/smb2pdu.h17
1 files changed, 16 insertions, 1 deletions
diff --git a/fs/cifs/smb2pdu.h b/fs/cifs/smb2pdu.h
index 4a7d154fffae..8b9f546dd842 100644
--- a/fs/cifs/smb2pdu.h
+++ b/fs/cifs/smb2pdu.h
@@ -137,6 +137,21 @@ struct smb2_transform_hdr {
__u64 SessionId;
} __packed;
+/* See MS-SMB2 2.2.42.1 */
+struct compression_playload_header {
+ __le16 AlgorithmId;
+ __le16 Reserved;
+ __le32 Length;
+} __packed;
+
+/* See MS-SMB2 2.2.42.2 */
+struct compression_pattern_payload_v1 {
+ __le16 Pattern;
+ __le16 Reserved1;
+ __le16 Reserved2;
+ __le32 Repetitions;
+} __packed;
+
/*
* SMB2 flag definitions
*/
@@ -1186,7 +1201,7 @@ struct smb2_write_req {
__le64 Offset;
__u64 PersistentFileId; /* opaque endianness */
__u64 VolatileFileId; /* opaque endianness */
- __le32 Channel; /* Reserved MBZ */
+ __le32 Channel; /* MBZ unless SMB3.02 or later */
__le32 RemainingBytes;
__le16 WriteChannelInfoOffset;
__le16 WriteChannelInfoLength;