smb: move client and server files to common directory fs/smb

Move CIFS/SMB3 related client and server files (cifs.ko and ksmbd.ko
and helper modules) to new fs/smb subdirectory:

   fs/cifs --> fs/smb/client
   fs/ksmbd --> fs/smb/server
   fs/smbfs_common --> fs/smb/common

Suggested-by: Linus Torvalds <torvalds@linux-foundation.org>
Acked-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>

1 files changed, 0 insertions, 741 deletions

diff --git a/fs/cifs/cifsproto.h b/fs/cifs/cifsproto.h
deleted file mode 100644
index c1c704990b98..000000000000
--- a/fs/cifs/cifsproto.h
+++ /dev/null
@@ -1,741 +0,0 @@
-/* SPDX-License-Identifier: LGPL-2.1 */
-/*
- *
- *   Copyright (c) International Business Machines  Corp., 2002,2008
- *   Author(s): Steve French (sfrench@us.ibm.com)
- *
- */
-#ifndef _CIFSPROTO_H
-#define _CIFSPROTO_H
-#include <linux/nls.h>
-#include <linux/ctype.h>
-#include "trace.h"
-#ifdef CONFIG_CIFS_DFS_UPCALL
-#include "dfs_cache.h"
-#endif
-
-struct statfs;
-struct smb_rqst;
-struct smb3_fs_context;
-
-/*
- *****************************************************************
- * All Prototypes
- *****************************************************************
- */
-
-extern struct smb_hdr *cifs_buf_get(void);
-extern void cifs_buf_release(void *);
-extern struct smb_hdr *cifs_small_buf_get(void);
-extern void cifs_small_buf_release(void *);
-extern void free_rsp_buf(int, void *);
-extern int smb_send(struct TCP_Server_Info *, struct smb_hdr *,
-			unsigned int /* length */);
-extern unsigned int _get_xid(void);
-extern void _free_xid(unsigned int);
-#define get_xid()							\
-({									\
-	unsigned int __xid = _get_xid();				\
-	cifs_dbg(FYI, "VFS: in %s as Xid: %u with uid: %d\n",		\
-		 __func__, __xid,					\
-		 from_kuid(&init_user_ns, current_fsuid()));		\
-	trace_smb3_enter(__xid, __func__);				\
-	__xid;								\
-})
-
-#define free_xid(curr_xid)						\
-do {									\
-	_free_xid(curr_xid);						\
-	cifs_dbg(FYI, "VFS: leaving %s (xid = %u) rc = %d\n",		\
-		 __func__, curr_xid, (int)rc);				\
-	if (rc)								\
-		trace_smb3_exit_err(curr_xid, __func__, (int)rc);	\
-	else								\
-		trace_smb3_exit_done(curr_xid, __func__);		\
-} while (0)
-extern int init_cifs_idmap(void);
-extern void exit_cifs_idmap(void);
-extern int init_cifs_spnego(void);
-extern void exit_cifs_spnego(void);
-extern const char *build_path_from_dentry(struct dentry *, void *);
-char *__build_path_from_dentry_optional_prefix(struct dentry *direntry, void *page,
-					       const char *tree, int tree_len,
-					       bool prefix);
-extern char *build_path_from_dentry_optional_prefix(struct dentry *direntry,
-						    void *page, bool prefix);
-static inline void *alloc_dentry_path(void)
-{
-	return __getname();
-}
-
-static inline void free_dentry_path(void *page)
-{
-	if (page)
-		__putname(page);
-}
-
-extern char *cifs_build_path_to_root(struct smb3_fs_context *ctx,
-				     struct cifs_sb_info *cifs_sb,
-				     struct cifs_tcon *tcon,
-				     int add_treename);
-extern char *build_wildcard_path_from_dentry(struct dentry *direntry);
-char *cifs_build_devname(char *nodename, const char *prepath);
-extern void delete_mid(struct mid_q_entry *mid);
-extern void release_mid(struct mid_q_entry *mid);
-extern void cifs_wake_up_task(struct mid_q_entry *mid);
-extern int cifs_handle_standard(struct TCP_Server_Info *server,
-				struct mid_q_entry *mid);
-extern int smb3_parse_devname(const char *devname, struct smb3_fs_context *ctx);
-extern int smb3_parse_opt(const char *options, const char *key, char **val);
-extern bool cifs_match_ipaddr(struct sockaddr *srcaddr, struct sockaddr *rhs);
-extern int cifs_discard_remaining_data(struct TCP_Server_Info *server);
-extern int cifs_call_async(struct TCP_Server_Info *server,
-			struct smb_rqst *rqst,
-			mid_receive_t *receive, mid_callback_t *callback,
-			mid_handle_t *handle, void *cbdata, const int flags,
-			const struct cifs_credits *exist_credits);
-extern struct TCP_Server_Info *cifs_pick_channel(struct cifs_ses *ses);
-extern int cifs_send_recv(const unsigned int xid, struct cifs_ses *ses,
-			  struct TCP_Server_Info *server,
-			  struct smb_rqst *rqst, int *resp_buf_type,
-			  const int flags, struct kvec *resp_iov);
-extern int compound_send_recv(const unsigned int xid, struct cifs_ses *ses,
-			      struct TCP_Server_Info *server,
-			      const int flags, const int num_rqst,
-			      struct smb_rqst *rqst, int *resp_buf_type,
-			      struct kvec *resp_iov);
-extern int SendReceive(const unsigned int /* xid */ , struct cifs_ses *,
-			struct smb_hdr * /* input */ ,
-			struct smb_hdr * /* out */ ,
-			int * /* bytes returned */ , const int);
-extern int SendReceiveNoRsp(const unsigned int xid, struct cifs_ses *ses,
-			    char *in_buf, int flags);
-extern struct mid_q_entry *cifs_setup_request(struct cifs_ses *,
-				struct TCP_Server_Info *,
-				struct smb_rqst *);
-extern struct mid_q_entry *cifs_setup_async_request(struct TCP_Server_Info *,
-						struct smb_rqst *);
-extern int cifs_check_receive(struct mid_q_entry *mid,
-			struct TCP_Server_Info *server, bool log_error);
-extern int cifs_wait_mtu_credits(struct TCP_Server_Info *server,
-				 unsigned int size, unsigned int *num,
-				 struct cifs_credits *credits);
-extern int SendReceive2(const unsigned int /* xid */ , struct cifs_ses *,
-			struct kvec *, int /* nvec to send */,
-			int * /* type of buf returned */, const int flags,
-			struct kvec * /* resp vec */);
-extern int SendReceiveBlockingLock(const unsigned int xid,
-			struct cifs_tcon *ptcon,
-			struct smb_hdr *in_buf,
-			struct smb_hdr *out_buf,
-			int *bytes_returned);
-void
-cifs_signal_cifsd_for_reconnect(struct TCP_Server_Info *server,
-				      bool all_channels);
-void
-cifs_mark_tcp_ses_conns_for_reconnect(struct TCP_Server_Info *server,
-				      bool mark_smb_session);
-extern int cifs_reconnect(struct TCP_Server_Info *server,
-			  bool mark_smb_session);
-extern int checkSMB(char *buf, unsigned int len, struct TCP_Server_Info *srvr);
-extern bool is_valid_oplock_break(char *, struct TCP_Server_Info *);
-extern bool backup_cred(struct cifs_sb_info *);
-extern bool is_size_safe_to_change(struct cifsInodeInfo *, __u64 eof);
-extern void cifs_update_eof(struct cifsInodeInfo *cifsi, loff_t offset,
-			    unsigned int bytes_written);
-extern struct cifsFileInfo *find_writable_file(struct cifsInodeInfo *, int);
-extern int cifs_get_writable_file(struct cifsInodeInfo *cifs_inode,
-				  int flags,
-				  struct cifsFileInfo **ret_file);
-extern int cifs_get_writable_path(struct cifs_tcon *tcon, const char *name,
-				  int flags,
-				  struct cifsFileInfo **ret_file);
-extern struct cifsFileInfo *find_readable_file(struct cifsInodeInfo *, bool);
-extern int cifs_get_readable_path(struct cifs_tcon *tcon, const char *name,
-				  struct cifsFileInfo **ret_file);
-extern unsigned int smbCalcSize(void *buf);
-extern int decode_negTokenInit(unsigned char *security_blob, int length,
-			struct TCP_Server_Info *server);
-extern int cifs_convert_address(struct sockaddr *dst, const char *src, int len);
-extern void cifs_set_port(struct sockaddr *addr, const unsigned short int port);
-extern int map_smb_to_linux_error(char *buf, bool logErr);
-extern int map_and_check_smb_error(struct mid_q_entry *mid, bool logErr);
-extern void header_assemble(struct smb_hdr *, char /* command */ ,
-			    const struct cifs_tcon *, int /* length of
-			    fixed section (word count) in two byte units */);
-extern int small_smb_init_no_tc(const int smb_cmd, const int wct,
-				struct cifs_ses *ses,
-				void **request_buf);
-extern enum securityEnum select_sectype(struct TCP_Server_Info *server,
-				enum securityEnum requested);
-extern int CIFS_SessSetup(const unsigned int xid, struct cifs_ses *ses,
-			  struct TCP_Server_Info *server,
-			  const struct nls_table *nls_cp);
-extern struct timespec64 cifs_NTtimeToUnix(__le64 utc_nanoseconds_since_1601);
-extern u64 cifs_UnixTimeToNT(struct timespec64);
-extern struct timespec64 cnvrtDosUnixTm(__le16 le_date, __le16 le_time,
-				      int offset);
-extern void cifs_set_oplock_level(struct cifsInodeInfo *cinode, __u32 oplock);
-extern int cifs_get_writer(struct cifsInodeInfo *cinode);
-extern void cifs_put_writer(struct cifsInodeInfo *cinode);
-extern void cifs_done_oplock_break(struct cifsInodeInfo *cinode);
-extern int cifs_unlock_range(struct cifsFileInfo *cfile,
-			     struct file_lock *flock, const unsigned int xid);
-extern int cifs_push_mandatory_locks(struct cifsFileInfo *cfile);
-
-extern void cifs_down_write(struct rw_semaphore *sem);
-struct cifsFileInfo *cifs_new_fileinfo(struct cifs_fid *fid, struct file *file,
-				       struct tcon_link *tlink, __u32 oplock,
-				       const char *symlink_target);
-extern int cifs_posix_open(const char *full_path, struct inode **inode,
-			   struct super_block *sb, int mode,
-			   unsigned int f_flags, __u32 *oplock, __u16 *netfid,
-			   unsigned int xid);
-void cifs_fill_uniqueid(struct super_block *sb, struct cifs_fattr *fattr);
-extern void cifs_unix_basic_to_fattr(struct cifs_fattr *fattr,
-				     FILE_UNIX_BASIC_INFO *info,
-				     struct cifs_sb_info *cifs_sb);
-extern void cifs_dir_info_to_fattr(struct cifs_fattr *, FILE_DIRECTORY_INFO *,
-					struct cifs_sb_info *);
-extern int cifs_fattr_to_inode(struct inode *inode, struct cifs_fattr *fattr);
-extern struct inode *cifs_iget(struct super_block *sb,
-			       struct cifs_fattr *fattr);
-
-int cifs_get_inode_info(struct inode **inode, const char *full_path,
-			struct cifs_open_info_data *data, struct super_block *sb, int xid,
-			const struct cifs_fid *fid);
-extern int smb311_posix_get_inode_info(struct inode **pinode, const char *search_path,
-			struct super_block *sb, unsigned int xid);
-extern int cifs_get_inode_info_unix(struct inode **pinode,
-			const unsigned char *search_path,
-			struct super_block *sb, unsigned int xid);
-extern int cifs_set_file_info(struct inode *inode, struct iattr *attrs,
-			      unsigned int xid, const char *full_path, __u32 dosattr);
-extern int cifs_rename_pending_delete(const char *full_path,
-				      struct dentry *dentry,
-				      const unsigned int xid);
-extern int sid_to_id(struct cifs_sb_info *cifs_sb, struct cifs_sid *psid,
-				struct cifs_fattr *fattr, uint sidtype);
-extern int cifs_acl_to_fattr(struct cifs_sb_info *cifs_sb,
-			      struct cifs_fattr *fattr, struct inode *inode,
-			      bool get_mode_from_special_sid,
-			      const char *path, const struct cifs_fid *pfid);
-extern int id_mode_to_cifs_acl(struct inode *inode, const char *path, __u64 *pnmode,
-					kuid_t uid, kgid_t gid);
-extern struct cifs_ntsd *get_cifs_acl(struct cifs_sb_info *, struct inode *,
-				      const char *, u32 *, u32);
-extern struct cifs_ntsd *get_cifs_acl_by_fid(struct cifs_sb_info *,
-				const struct cifs_fid *, u32 *, u32);
-extern struct posix_acl *cifs_get_acl(struct mnt_idmap *idmap,
-				      struct dentry *dentry, int type);
-extern int cifs_set_acl(struct mnt_idmap *idmap,
-			struct dentry *dentry, struct posix_acl *acl, int type);
-extern int set_cifs_acl(struct cifs_ntsd *, __u32, struct inode *,
-				const char *, int);
-extern unsigned int setup_authusers_ACE(struct cifs_ace *pace);
-extern unsigned int setup_special_mode_ACE(struct cifs_ace *pace, __u64 nmode);
-extern unsigned int setup_special_user_owner_ACE(struct cifs_ace *pace);
-
-extern void dequeue_mid(struct mid_q_entry *mid, bool malformed);
-extern int cifs_read_from_socket(struct TCP_Server_Info *server, char *buf,
-			         unsigned int to_read);
-extern ssize_t cifs_discard_from_socket(struct TCP_Server_Info *server,
-					size_t to_read);
-extern int cifs_read_page_from_socket(struct TCP_Server_Info *server,
-					struct page *page,
-					unsigned int page_offset,
-					unsigned int to_read);
-int cifs_read_iter_from_socket(struct TCP_Server_Info *server,
-			       struct iov_iter *iter,
-			       unsigned int to_read);
-extern int cifs_setup_cifs_sb(struct cifs_sb_info *cifs_sb);
-void cifs_mount_put_conns(struct cifs_mount_ctx *mnt_ctx);
-int cifs_mount_get_session(struct cifs_mount_ctx *mnt_ctx);
-int cifs_is_path_remote(struct cifs_mount_ctx *mnt_ctx);
-int cifs_mount_get_tcon(struct cifs_mount_ctx *mnt_ctx);
-extern int cifs_match_super(struct super_block *, void *);
-extern int cifs_mount(struct cifs_sb_info *cifs_sb, struct smb3_fs_context *ctx);
-extern void cifs_umount(struct cifs_sb_info *);
-extern void cifs_mark_open_files_invalid(struct cifs_tcon *tcon);
-extern void cifs_reopen_persistent_handles(struct cifs_tcon *tcon);
-
-extern bool cifs_find_lock_conflict(struct cifsFileInfo *cfile, __u64 offset,
-				    __u64 length, __u8 type, __u16 flags,
-				    struct cifsLockInfo **conf_lock,
-				    int rw_check);
-extern void cifs_add_pending_open(struct cifs_fid *fid,
-				  struct tcon_link *tlink,
-				  struct cifs_pending_open *open);
-extern void cifs_add_pending_open_locked(struct cifs_fid *fid,
-					 struct tcon_link *tlink,
-					 struct cifs_pending_open *open);
-extern void cifs_del_pending_open(struct cifs_pending_open *open);
-
-extern bool cifs_is_deferred_close(struct cifsFileInfo *cfile,
-				struct cifs_deferred_close **dclose);
-
-extern void cifs_add_deferred_close(struct cifsFileInfo *cfile,
-				struct cifs_deferred_close *dclose);
-
-extern void cifs_del_deferred_close(struct cifsFileInfo *cfile);
-
-extern void cifs_close_deferred_file(struct cifsInodeInfo *cifs_inode);
-
-extern void cifs_close_all_deferred_files(struct cifs_tcon *cifs_tcon);
-
-extern void cifs_close_deferred_file_under_dentry(struct cifs_tcon *cifs_tcon,
-				const char *path);
-extern struct TCP_Server_Info *
-cifs_get_tcp_session(struct smb3_fs_context *ctx,
-		     struct TCP_Server_Info *primary_server);
-extern void cifs_put_tcp_session(struct TCP_Server_Info *server,
-				 int from_reconnect);
-extern void cifs_put_tcon(struct cifs_tcon *tcon);
-
-#if IS_ENABLED(CONFIG_CIFS_DFS_UPCALL)
-extern void cifs_dfs_release_automount_timer(void);
-#else /* ! IS_ENABLED(CONFIG_CIFS_DFS_UPCALL) */
-#define cifs_dfs_release_automount_timer()	do { } while (0)
-#endif /* ! IS_ENABLED(CONFIG_CIFS_DFS_UPCALL) */
-
-void cifs_proc_init(void);
-void cifs_proc_clean(void);
-
-extern void cifs_move_llist(struct list_head *source, struct list_head *dest);
-extern void cifs_free_llist(struct list_head *llist);
-extern void cifs_del_lock_waiters(struct cifsLockInfo *lock);
-
-extern int cifs_tree_connect(const unsigned int xid, struct cifs_tcon *tcon,
-			     const struct nls_table *nlsc);
-
-extern int cifs_negotiate_protocol(const unsigned int xid,
-				   struct cifs_ses *ses,
-				   struct TCP_Server_Info *server);
-extern int cifs_setup_session(const unsigned int xid, struct cifs_ses *ses,
-			      struct TCP_Server_Info *server,
-			      struct nls_table *nls_info);
-extern int cifs_enable_signing(struct TCP_Server_Info *server, bool mnt_sign_required);
-extern int CIFSSMBNegotiate(const unsigned int xid,
-			    struct cifs_ses *ses,
-			    struct TCP_Server_Info *server);
-
-extern int CIFSTCon(const unsigned int xid, struct cifs_ses *ses,
-		    const char *tree, struct cifs_tcon *tcon,
-		    const struct nls_table *);
-
-extern int CIFSFindFirst(const unsigned int xid, struct cifs_tcon *tcon,
-		const char *searchName, struct cifs_sb_info *cifs_sb,
-		__u16 *searchHandle, __u16 search_flags,
-		struct cifs_search_info *psrch_inf,
-		bool msearch);
-
-extern int CIFSFindNext(const unsigned int xid, struct cifs_tcon *tcon,
-		__u16 searchHandle, __u16 search_flags,
-		struct cifs_search_info *psrch_inf);
-
-extern int CIFSFindClose(const unsigned int xid, struct cifs_tcon *tcon,
-			const __u16 search_handle);
-
-extern int CIFSSMBQFileInfo(const unsigned int xid, struct cifs_tcon *tcon,
-			u16 netfid, FILE_ALL_INFO *pFindData);
-extern int CIFSSMBQPathInfo(const unsigned int xid, struct cifs_tcon *tcon,
-			    const char *search_Name, FILE_ALL_INFO *data,
-			    int legacy /* whether to use old info level */,
-			    const struct nls_table *nls_codepage, int remap);
-extern int SMBQueryInformation(const unsigned int xid, struct cifs_tcon *tcon,
-			       const char *search_name, FILE_ALL_INFO *data,
-			       const struct nls_table *nls_codepage, int remap);
-
-extern int CIFSSMBUnixQFileInfo(const unsigned int xid, struct cifs_tcon *tcon,
-			u16 netfid, FILE_UNIX_BASIC_INFO *pFindData);
-extern int CIFSSMBUnixQPathInfo(const unsigned int xid,
-			struct cifs_tcon *tcon,
-			const unsigned char *searchName,
-			FILE_UNIX_BASIC_INFO *pFindData,
-			const struct nls_table *nls_codepage, int remap);
-
-extern int CIFSGetDFSRefer(const unsigned int xid, struct cifs_ses *ses,
-			   const char *search_name,
-			   struct dfs_info3_param **target_nodes,
-			   unsigned int *num_of_nodes,
-			   const struct nls_table *nls_codepage, int remap);
-
-extern int parse_dfs_referrals(struct get_dfs_referral_rsp *rsp, u32 rsp_size,
-			       unsigned int *num_of_nodes,
-			       struct dfs_info3_param **target_nodes,
-			       const struct nls_table *nls_codepage, int remap,
-			       const char *searchName, bool is_unicode);
-extern void reset_cifs_unix_caps(unsigned int xid, struct cifs_tcon *tcon,
-				 struct cifs_sb_info *cifs_sb,
-				 struct smb3_fs_context *ctx);
-extern int CIFSSMBQFSInfo(const unsigned int xid, struct cifs_tcon *tcon,
-			struct kstatfs *FSData);
-extern int SMBOldQFSInfo(const unsigned int xid, struct cifs_tcon *tcon,
-			struct kstatfs *FSData);
-extern int CIFSSMBSetFSUnixInfo(const unsigned int xid, struct cifs_tcon *tcon,
-			__u64 cap);
-
-extern int CIFSSMBQFSAttributeInfo(const unsigned int xid,
-			struct cifs_tcon *tcon);
-extern int CIFSSMBQFSDeviceInfo(const unsigned int xid, struct cifs_tcon *tcon);
-extern int CIFSSMBQFSUnixInfo(const unsigned int xid, struct cifs_tcon *tcon);
-extern int CIFSSMBQFSPosixInfo(const unsigned int xid, struct cifs_tcon *tcon,
-			struct kstatfs *FSData);
-
-extern int CIFSSMBSetPathInfo(const unsigned int xid, struct cifs_tcon *tcon,
-			const char *fileName, const FILE_BASIC_INFO *data,
-			const struct nls_table *nls_codepage,
-			struct cifs_sb_info *cifs_sb);
-extern int CIFSSMBSetFileInfo(const unsigned int xid, struct cifs_tcon *tcon,
-			const FILE_BASIC_INFO *data, __u16 fid,
-			__u32 pid_of_opener);
-extern int CIFSSMBSetFileDisposition(const unsigned int xid,
-				     struct cifs_tcon *tcon,
-				     bool delete_file, __u16 fid,
-				     __u32 pid_of_opener);
-extern int CIFSSMBSetEOF(const unsigned int xid, struct cifs_tcon *tcon,
-			 const char *file_name, __u64 size,
-			 struct cifs_sb_info *cifs_sb, bool set_allocation);
-extern int CIFSSMBSetFileSize(const unsigned int xid, struct cifs_tcon *tcon,
-			      struct cifsFileInfo *cfile, __u64 size,
-			      bool set_allocation);
-
-struct cifs_unix_set_info_args {
-	__u64	ctime;
-	__u64	atime;
-	__u64	mtime;
-	__u64	mode;
-	kuid_t	uid;
-	kgid_t	gid;
-	dev_t	device;
-};
-
-extern int CIFSSMBUnixSetFileInfo(const unsigned int xid,
-				  struct cifs_tcon *tcon,
-				  const struct cifs_unix_set_info_args *args,
-				  u16 fid, u32 pid_of_opener);
-
-extern int CIFSSMBUnixSetPathInfo(const unsigned int xid,
-				  struct cifs_tcon *tcon, const char *file_name,
-				  const struct cifs_unix_set_info_args *args,
-				  const struct nls_table *nls_codepage,
-				  int remap);
-
-extern int CIFSSMBMkDir(const unsigned int xid, struct inode *inode,
-			umode_t mode, struct cifs_tcon *tcon,
-			const char *name, struct cifs_sb_info *cifs_sb);
-extern int CIFSSMBRmDir(const unsigned int xid, struct cifs_tcon *tcon,
-			const char *name, struct cifs_sb_info *cifs_sb);
-extern int CIFSPOSIXDelFile(const unsigned int xid, struct cifs_tcon *tcon,
-			const char *name, __u16 type,
-			const struct nls_table *nls_codepage,
-			int remap_special_chars);
-extern int CIFSSMBDelFile(const unsigned int xid, struct cifs_tcon *tcon,
-			  const char *name, struct cifs_sb_info *cifs_sb);
-extern int CIFSSMBRename(const unsigned int xid, struct cifs_tcon *tcon,
-			 const char *from_name, const char *to_name,
-			 struct cifs_sb_info *cifs_sb);
-extern int CIFSSMBRenameOpenFile(const unsigned int xid, struct cifs_tcon *tcon,
-				 int netfid, const char *target_name,
-				 const struct nls_table *nls_codepage,
-				 int remap_special_chars);
-extern int CIFSCreateHardLink(const unsigned int xid, struct cifs_tcon *tcon,
-			      const char *from_name, const char *to_name,
-			      struct cifs_sb_info *cifs_sb);
-extern int CIFSUnixCreateHardLink(const unsigned int xid,
-			struct cifs_tcon *tcon,
-			const char *fromName, const char *toName,
-			const struct nls_table *nls_codepage,
-			int remap_special_chars);
-extern int CIFSUnixCreateSymLink(const unsigned int xid,
-			struct cifs_tcon *tcon,
-			const char *fromName, const char *toName,
-			const struct nls_table *nls_codepage, int remap);
-extern int CIFSSMBUnixQuerySymLink(const unsigned int xid,
-			struct cifs_tcon *tcon,
-			const unsigned char *searchName, char **syminfo,
-			const struct nls_table *nls_codepage, int remap);
-extern int CIFSSMBQuerySymLink(const unsigned int xid, struct cifs_tcon *tcon,
-			       __u16 fid, char **symlinkinfo,
-			       const struct nls_table *nls_codepage);
-extern int CIFSSMB_set_compression(const unsigned int xid,
-				   struct cifs_tcon *tcon, __u16 fid);
-extern int CIFS_open(const unsigned int xid, struct cifs_open_parms *oparms,
-		     int *oplock, FILE_ALL_INFO *buf);
-extern int SMBLegacyOpen(const unsigned int xid, struct cifs_tcon *tcon,
-			const char *fileName, const int disposition,
-			const int access_flags, const int omode,
-			__u16 *netfid, int *pOplock, FILE_ALL_INFO *,
-			const struct nls_table *nls_codepage, int remap);
-extern int CIFSPOSIXCreate(const unsigned int xid, struct cifs_tcon *tcon,
-			u32 posix_flags, __u64 mode, __u16 *netfid,
-			FILE_UNIX_BASIC_INFO *pRetData,
-			__u32 *pOplock, const char *name,
-			const struct nls_table *nls_codepage, int remap);
-extern int CIFSSMBClose(const unsigned int xid, struct cifs_tcon *tcon,
-			const int smb_file_id);
-
-extern int CIFSSMBFlush(const unsigned int xid, struct cifs_tcon *tcon,
-			const int smb_file_id);
-
-extern int CIFSSMBRead(const unsigned int xid, struct cifs_io_parms *io_parms,
-			unsigned int *nbytes, char **buf,
-			int *return_buf_type);
-extern int CIFSSMBWrite(const unsigned int xid, struct cifs_io_parms *io_parms,
-			unsigned int *nbytes, const char *buf);
-extern int CIFSSMBWrite2(const unsigned int xid, struct cifs_io_parms *io_parms,
-			unsigned int *nbytes, struct kvec *iov, const int nvec);
-extern int CIFSGetSrvInodeNumber(const unsigned int xid, struct cifs_tcon *tcon,
-				 const char *search_name, __u64 *inode_number,
-				 const struct nls_table *nls_codepage,
-				 int remap);
-
-extern int cifs_lockv(const unsigned int xid, struct cifs_tcon *tcon,
-		      const __u16 netfid, const __u8 lock_type,
-		      const __u32 num_unlock, const __u32 num_lock,
-		      LOCKING_ANDX_RANGE *buf);
-extern int CIFSSMBLock(const unsigned int xid, struct cifs_tcon *tcon,
-			const __u16 netfid, const __u32 netpid, const __u64 len,
-			const __u64 offset, const __u32 numUnlock,
-			const __u32 numLock, const __u8 lockType,
-			const bool waitFlag, const __u8 oplock_level);
-extern int CIFSSMBPosixLock(const unsigned int xid, struct cifs_tcon *tcon,
-			const __u16 smb_file_id, const __u32 netpid,
-			const loff_t start_offset, const __u64 len,
-			struct file_lock *, const __u16 lock_type,
-			const bool waitFlag);
-extern int CIFSSMBTDis(const unsigned int xid, struct cifs_tcon *tcon);
-extern int CIFSSMBEcho(struct TCP_Server_Info *server);
-extern int CIFSSMBLogoff(const unsigned int xid, struct cifs_ses *ses);
-
-extern struct cifs_ses *sesInfoAlloc(void);
-extern void sesInfoFree(struct cifs_ses *);
-extern struct cifs_tcon *tconInfoAlloc(void);
-extern void tconInfoFree(struct cifs_tcon *);
-
-extern int cifs_sign_rqst(struct smb_rqst *rqst, struct TCP_Server_Info *server,
-		   __u32 *pexpected_response_sequence_number);
-extern int cifs_sign_smbv(struct kvec *iov, int n_vec, struct TCP_Server_Info *,
-			  __u32 *);
-extern int cifs_sign_smb(struct smb_hdr *, struct TCP_Server_Info *, __u32 *);
-extern int cifs_verify_signature(struct smb_rqst *rqst,
-				 struct TCP_Server_Info *server,
-				__u32 expected_sequence_number);
-extern int setup_ntlmv2_rsp(struct cifs_ses *, const struct nls_table *);
-extern void cifs_crypto_secmech_release(struct TCP_Server_Info *server);
-extern int calc_seckey(struct cifs_ses *);
-extern int generate_smb30signingkey(struct cifs_ses *ses,
-				    struct TCP_Server_Info *server);
-extern int generate_smb311signingkey(struct cifs_ses *ses,
-				     struct TCP_Server_Info *server);
-
-#ifdef CONFIG_CIFS_ALLOW_INSECURE_LEGACY
-extern int CIFSSMBCopy(unsigned int xid,
-			struct cifs_tcon *source_tcon,
-			const char *fromName,
-			const __u16 target_tid,
-			const char *toName, const int flags,
-			const struct nls_table *nls_codepage,
-			int remap_special_chars);
-extern ssize_t CIFSSMBQAllEAs(const unsigned int xid, struct cifs_tcon *tcon,
-			const unsigned char *searchName,
-			const unsigned char *ea_name, char *EAData,
-			size_t bufsize, struct cifs_sb_info *cifs_sb);
-extern int CIFSSMBSetEA(const unsigned int xid, struct cifs_tcon *tcon,
-		const char *fileName, const char *ea_name,
-		const void *ea_value, const __u16 ea_value_len,
-		const struct nls_table *nls_codepage,
-		struct cifs_sb_info *cifs_sb);
-extern int CIFSSMBGetCIFSACL(const unsigned int xid, struct cifs_tcon *tcon,
-			__u16 fid, struct cifs_ntsd **acl_inf, __u32 *buflen);
-extern int CIFSSMBSetCIFSACL(const unsigned int, struct cifs_tcon *, __u16,
-			struct cifs_ntsd *, __u32, int);
-extern int cifs_do_get_acl(const unsigned int xid, struct cifs_tcon *tcon,
-			   const unsigned char *searchName,
-			   struct posix_acl **acl, const int acl_type,
-			   const struct nls_table *nls_codepage, int remap);
-extern int cifs_do_set_acl(const unsigned int xid, struct cifs_tcon *tcon,
-			   const unsigned char *fileName,
-			   const struct posix_acl *acl, const int acl_type,
-			   const struct nls_table *nls_codepage, int remap);
-extern int CIFSGetExtAttr(const unsigned int xid, struct cifs_tcon *tcon,
-			const int netfid, __u64 *pExtAttrBits, __u64 *pMask);
-#endif /* CIFS_ALLOW_INSECURE_LEGACY */
-extern void cifs_autodisable_serverino(struct cifs_sb_info *cifs_sb);
-extern bool couldbe_mf_symlink(const struct cifs_fattr *fattr);
-extern int check_mf_symlink(unsigned int xid, struct cifs_tcon *tcon,
-			      struct cifs_sb_info *cifs_sb,
-			      struct cifs_fattr *fattr,
-			      const unsigned char *path);
-extern int E_md4hash(const unsigned char *passwd, unsigned char *p16,
-			const struct nls_table *codepage);
-
-extern struct TCP_Server_Info *
-cifs_find_tcp_session(struct smb3_fs_context *ctx);
-
-void __cifs_put_smb_ses(struct cifs_ses *ses);
-
-extern struct cifs_ses *
-cifs_get_smb_ses(struct TCP_Server_Info *server, struct smb3_fs_context *ctx);
-
-void cifs_readdata_release(struct kref *refcount);
-int cifs_async_readv(struct cifs_readdata *rdata);
-int cifs_readv_receive(struct TCP_Server_Info *server, struct mid_q_entry *mid);
-
-int cifs_async_writev(struct cifs_writedata *wdata,
-		      void (*release)(struct kref *kref));
-void cifs_writev_complete(struct work_struct *work);
-struct cifs_writedata *cifs_writedata_alloc(work_func_t complete);
-void cifs_writedata_release(struct kref *refcount);
-int cifs_query_mf_symlink(unsigned int xid, struct cifs_tcon *tcon,
-			  struct cifs_sb_info *cifs_sb,
-			  const unsigned char *path, char *pbuf,
-			  unsigned int *pbytes_read);
-int cifs_create_mf_symlink(unsigned int xid, struct cifs_tcon *tcon,
-			   struct cifs_sb_info *cifs_sb,
-			   const unsigned char *path, char *pbuf,
-			   unsigned int *pbytes_written);
-int __cifs_calc_signature(struct smb_rqst *rqst,
-			struct TCP_Server_Info *server, char *signature,
-			struct shash_desc *shash);
-enum securityEnum cifs_select_sectype(struct TCP_Server_Info *,
-					enum securityEnum);
-struct cifs_aio_ctx *cifs_aio_ctx_alloc(void);
-void cifs_aio_ctx_release(struct kref *refcount);
-
-int cifs_alloc_hash(const char *name, struct shash_desc **sdesc);
-void cifs_free_hash(struct shash_desc **sdesc);
-
-struct cifs_chan *
-cifs_ses_find_chan(struct cifs_ses *ses, struct TCP_Server_Info *server);
-int cifs_try_adding_channels(struct cifs_sb_info *cifs_sb, struct cifs_ses *ses);
-bool is_server_using_iface(struct TCP_Server_Info *server,
-			   struct cifs_server_iface *iface);
-bool is_ses_using_iface(struct cifs_ses *ses, struct cifs_server_iface *iface);
-void cifs_ses_mark_for_reconnect(struct cifs_ses *ses);
-
-unsigned int
-cifs_ses_get_chan_index(struct cifs_ses *ses,
-			struct TCP_Server_Info *server);
-void
-cifs_chan_set_in_reconnect(struct cifs_ses *ses,
-			     struct TCP_Server_Info *server);
-void
-cifs_chan_clear_in_reconnect(struct cifs_ses *ses,
-			       struct TCP_Server_Info *server);
-bool
-cifs_chan_in_reconnect(struct cifs_ses *ses,
-			  struct TCP_Server_Info *server);
-void
-cifs_chan_set_need_reconnect(struct cifs_ses *ses,
-			     struct TCP_Server_Info *server);
-void
-cifs_chan_clear_need_reconnect(struct cifs_ses *ses,
-			       struct TCP_Server_Info *server);
-bool
-cifs_chan_needs_reconnect(struct cifs_ses *ses,
-			  struct TCP_Server_Info *server);
-bool
-cifs_chan_is_iface_active(struct cifs_ses *ses,
-			  struct TCP_Server_Info *server);
-int
-cifs_chan_update_iface(struct cifs_ses *ses, struct TCP_Server_Info *server);
-int
-SMB3_request_interfaces(const unsigned int xid, struct cifs_tcon *tcon, bool in_mount);
-
-void extract_unc_hostname(const char *unc, const char **h, size_t *len);
-int copy_path_name(char *dst, const char *src);
-int smb2_parse_query_directory(struct cifs_tcon *tcon, struct kvec *rsp_iov,
-			       int resp_buftype,
-			       struct cifs_search_info *srch_inf);
-
-struct super_block *cifs_get_tcp_super(struct TCP_Server_Info *server);
-void cifs_put_tcp_super(struct super_block *sb);
-int cifs_update_super_prepath(struct cifs_sb_info *cifs_sb, char *prefix);
-char *extract_hostname(const char *unc);
-char *extract_sharename(const char *unc);
-
-#ifdef CONFIG_CIFS_DFS_UPCALL
-static inline int get_dfs_path(const unsigned int xid, struct cifs_ses *ses,
-			       const char *old_path,
-			       const struct nls_table *nls_codepage,
-			       struct dfs_info3_param *referral, int remap)
-{
-	return dfs_cache_find(xid, ses, nls_codepage, remap, old_path,
-			      referral, NULL);
-}
-
-int match_target_ip(struct TCP_Server_Info *server,
-		    const char *share, size_t share_len,
-		    bool *result);
-int cifs_inval_name_dfs_link_error(const unsigned int xid,
-				   struct cifs_tcon *tcon,
-				   struct cifs_sb_info *cifs_sb,
-				   const char *full_path,
-				   bool *islink);
-#else
-static inline int cifs_inval_name_dfs_link_error(const unsigned int xid,
-				   struct cifs_tcon *tcon,
-				   struct cifs_sb_info *cifs_sb,
-				   const char *full_path,
-				   bool *islink)
-{
-	*islink = false;
-	return 0;
-}
-#endif
-
-static inline int cifs_create_options(struct cifs_sb_info *cifs_sb, int options)
-{
-	if (cifs_sb && (backup_cred(cifs_sb)))
-		return options | CREATE_OPEN_BACKUP_INTENT;
-	else
-		return options;
-}
-
-struct super_block *cifs_get_tcon_super(struct cifs_tcon *tcon);
-void cifs_put_tcon_super(struct super_block *sb);
-int cifs_wait_for_server_reconnect(struct TCP_Server_Info *server, bool retry);
-
-/* Put references of @ses and @ses->dfs_root_ses */
-static inline void cifs_put_smb_ses(struct cifs_ses *ses)
-{
-	struct cifs_ses *rses = ses->dfs_root_ses;
-
-	__cifs_put_smb_ses(ses);
-	if (rses)
-		__cifs_put_smb_ses(rses);
-}
-
-/* Get an active reference of @ses and @ses->dfs_root_ses.
- *
- * NOTE: make sure to call this function when incrementing reference count of
- * @ses to ensure that any DFS root session attached to it (@ses->dfs_root_ses)
- * will also get its reference count incremented.
- *
- * cifs_put_smb_ses() will put both references, so call it when you're done.
- */
-static inline void cifs_smb_ses_inc_refcount(struct cifs_ses *ses)
-{
-	lockdep_assert_held(&cifs_tcp_ses_lock);
-
-	ses->ses_count++;
-	if (ses->dfs_root_ses)
-		ses->dfs_root_ses->ses_count++;
-}
-
-static inline bool dfs_src_pathname_equal(const char *s1, const char *s2)
-{
-	if (strlen(s1) != strlen(s2))
-		return false;
-	for (; *s1; s1++, s2++) {
-		if (*s1 == '/' || *s1 == '\\') {
-			if (*s2 != '/' && *s2 != '\\')
-				return false;
-		} else if (tolower(*s1) != tolower(*s2))
-			return false;
-	}
-	return true;
-}
-
-#endif			/* _CIFSPROTO_H */