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Message-ID: <9C8C84DE02D904B4+20251012150915.2992220-4-chenxiaosong@chenxiaosong.com>
Date: Sun, 12 Oct 2025 23:08:56 +0800
From: chenxiaosong@...nxiaosong.com
To: stfrench@...rosoft.com,
metze@...ba.org,
pali@...nel.org,
linkinjeon@...nel.org,
smfrench@...il.com,
sfrench@...ba.org,
senozhatsky@...omium.org,
tom@...pey.com,
pc@...guebit.org,
ronniesahlberg@...il.com,
sprasad@...rosoft.com,
bharathsm@...rosoft.com,
zhangguodong@...inos.cn
Cc: linux-cifs@...r.kernel.org,
linux-kernel@...r.kernel.org,
ChenXiaoSong <chenxiaosong@...inos.cn>
Subject: [PATCH 03/22] smb: move some duplicate definitions to common/cifsglob.h
From: ZhangGuoDong <zhangguodong@...inos.cn>
In order to maintain the code more easily, move duplicate definitions to
new common header file.
Co-developed-by: ChenXiaoSong <chenxiaosong@...inos.cn>
Signed-off-by: ChenXiaoSong <chenxiaosong@...inos.cn>
Signed-off-by: ZhangGuoDong <zhangguodong@...inos.cn>
---
fs/smb/client/cifsglob.h | 19 +------------------
fs/smb/common/cifsglob.h | 30 ++++++++++++++++++++++++++++++
fs/smb/server/smb_common.h | 14 +-------------
3 files changed, 32 insertions(+), 31 deletions(-)
create mode 100644 fs/smb/common/cifsglob.h
diff --git a/fs/smb/client/cifsglob.h b/fs/smb/client/cifsglob.h
index 8f6f567d7474..c5034cf9ac9e 100644
--- a/fs/smb/client/cifsglob.h
+++ b/fs/smb/client/cifsglob.h
@@ -24,6 +24,7 @@
#include "cifsacl.h"
#include <crypto/internal/hash.h>
#include <uapi/linux/cifs/cifs_mount.h>
+#include "../common/cifsglob.h"
#include "../common/smb2pdu.h"
#include "smb2pdu.h"
#include <linux/filelock.h>
@@ -702,12 +703,6 @@ get_rfc1002_length(void *buf)
return be32_to_cpu(*((__be32 *)buf)) & 0xffffff;
}
-static inline void
-inc_rfc1001_len(void *buf, int count)
-{
- be32_add_cpu((__be32 *)buf, count);
-}
-
struct TCP_Server_Info {
struct list_head tcp_ses_list;
struct list_head smb_ses_list;
@@ -1021,8 +1016,6 @@ compare_mid(__u16 mid, const struct smb_hdr *smb)
#define CIFS_MAX_RFC1002_WSIZE ((1<<17) - 1 - sizeof(WRITE_REQ) + 4)
#define CIFS_MAX_RFC1002_RSIZE ((1<<17) - 1 - sizeof(READ_RSP) + 4)
-#define CIFS_DEFAULT_IOSIZE (1024 * 1024)
-
/*
* Windows only supports a max of 60kb reads and 65535 byte writes. Default to
* those values when posix extensions aren't in force. In actuality here, we
@@ -2148,30 +2141,20 @@ extern mempool_t cifs_io_request_pool;
extern mempool_t cifs_io_subrequest_pool;
/* Operations for different SMB versions */
-#define SMB1_VERSION_STRING "1.0"
-#define SMB20_VERSION_STRING "2.0"
#ifdef CONFIG_CIFS_ALLOW_INSECURE_LEGACY
extern struct smb_version_operations smb1_operations;
extern struct smb_version_values smb1_values;
extern struct smb_version_operations smb20_operations;
extern struct smb_version_values smb20_values;
#endif /* CIFS_ALLOW_INSECURE_LEGACY */
-#define SMB21_VERSION_STRING "2.1"
extern struct smb_version_operations smb21_operations;
extern struct smb_version_values smb21_values;
-#define SMBDEFAULT_VERSION_STRING "default"
extern struct smb_version_values smbdefault_values;
-#define SMB3ANY_VERSION_STRING "3"
extern struct smb_version_values smb3any_values;
-#define SMB30_VERSION_STRING "3.0"
extern struct smb_version_operations smb30_operations;
extern struct smb_version_values smb30_values;
-#define SMB302_VERSION_STRING "3.02"
-#define ALT_SMB302_VERSION_STRING "3.0.2"
/*extern struct smb_version_operations smb302_operations;*/ /* not needed yet */
extern struct smb_version_values smb302_values;
-#define SMB311_VERSION_STRING "3.1.1"
-#define ALT_SMB311_VERSION_STRING "3.11"
extern struct smb_version_operations smb311_operations;
extern struct smb_version_values smb311_values;
diff --git a/fs/smb/common/cifsglob.h b/fs/smb/common/cifsglob.h
new file mode 100644
index 000000000000..00fd215e3eb5
--- /dev/null
+++ b/fs/smb/common/cifsglob.h
@@ -0,0 +1,30 @@
+/* SPDX-License-Identifier: LGPL-2.1 */
+/*
+ *
+ * Copyright (C) International Business Machines Corp., 2002,2008
+ * Author(s): Steve French (sfrench@...ibm.com)
+ * Jeremy Allison (jra@...ba.org)
+ *
+ */
+#ifndef _COMMON_CIFS_GLOB_H
+#define _COMMON_CIFS_GLOB_H
+
+static inline void inc_rfc1001_len(void *buf, int count)
+{
+ be32_add_cpu((__be32 *)buf, count);
+}
+
+#define SMB1_VERSION_STRING "1.0"
+#define SMB20_VERSION_STRING "2.0"
+#define SMB21_VERSION_STRING "2.1"
+#define SMBDEFAULT_VERSION_STRING "default"
+#define SMB3ANY_VERSION_STRING "3"
+#define SMB30_VERSION_STRING "3.0"
+#define SMB302_VERSION_STRING "3.02"
+#define ALT_SMB302_VERSION_STRING "3.0.2"
+#define SMB311_VERSION_STRING "3.1.1"
+#define ALT_SMB311_VERSION_STRING "3.11"
+
+#define CIFS_DEFAULT_IOSIZE (1024 * 1024)
+
+#endif /* _COMMON_CIFS_GLOB_H */
diff --git a/fs/smb/server/smb_common.h b/fs/smb/server/smb_common.h
index d742ba754348..863716207a0d 100644
--- a/fs/smb/server/smb_common.h
+++ b/fs/smb/server/smb_common.h
@@ -10,6 +10,7 @@
#include "glob.h"
#include "nterr.h"
+#include "../common/cifsglob.h"
#include "../common/smb2pdu.h"
#include "smb2pdu.h"
@@ -26,16 +27,8 @@
#define SMB311_PROT 6
#define BAD_PROT 0xFFFF
-#define SMB1_VERSION_STRING "1.0"
-#define SMB20_VERSION_STRING "2.0"
-#define SMB21_VERSION_STRING "2.1"
-#define SMB30_VERSION_STRING "3.0"
-#define SMB302_VERSION_STRING "3.02"
-#define SMB311_VERSION_STRING "3.1.1"
-
#define SMB_ECHO_INTERVAL (60 * HZ)
-#define CIFS_DEFAULT_IOSIZE (64 * 1024)
#define MAX_CIFS_SMALL_BUFFER_SIZE 448 /* big enough for most */
#define MAX_STREAM_PROT_LEN 0x00FFFFFF
@@ -464,9 +457,4 @@ static inline unsigned int get_rfc1002_len(void *buf)
{
return be32_to_cpu(*((__be32 *)buf)) & 0xffffff;
}
-
-static inline void inc_rfc1001_len(void *buf, int count)
-{
- be32_add_cpu((__be32 *)buf, count);
-}
#endif /* __SMB_COMMON_H__ */
--
2.43.0
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