502 lines
22 KiB
C
502 lines
22 KiB
C
/*
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* fs/cifs/cifsproto.h
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*
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* Copyright (c) International Business Machines Corp., 2002,2008
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* Author(s): Steve French (sfrench@us.ibm.com)
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*
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* This library is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published
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* by the Free Software Foundation; either version 2.1 of the License, or
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* (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
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* the GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef _CIFSPROTO_H
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#define _CIFSPROTO_H
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#include <linux/nls.h>
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struct statfs;
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struct smb_vol;
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struct smb_rqst;
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/*
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*****************************************************************
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* All Prototypes
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*****************************************************************
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*/
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extern struct smb_hdr *cifs_buf_get(void);
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extern void cifs_buf_release(void *);
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extern struct smb_hdr *cifs_small_buf_get(void);
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extern void cifs_small_buf_release(void *);
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extern void cifs_rqst_page_to_kvec(struct smb_rqst *rqst, unsigned int idx,
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struct kvec *iov);
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extern int smb_send(struct TCP_Server_Info *, struct smb_hdr *,
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unsigned int /* length */);
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extern unsigned int _get_xid(void);
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extern void _free_xid(unsigned int);
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#define get_xid() \
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({ \
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unsigned int __xid = _get_xid(); \
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cifs_dbg(FYI, "CIFS VFS: in %s as Xid: %u with uid: %d\n", \
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__func__, __xid, \
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from_kuid(&init_user_ns, current_fsuid())); \
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__xid; \
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})
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#define free_xid(curr_xid) \
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do { \
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_free_xid(curr_xid); \
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cifs_dbg(FYI, "CIFS VFS: leaving %s (xid = %u) rc = %d\n", \
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__func__, curr_xid, (int)rc); \
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} while (0)
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extern int init_cifs_idmap(void);
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extern void exit_cifs_idmap(void);
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extern char *build_path_from_dentry(struct dentry *);
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extern char *cifs_build_path_to_root(struct smb_vol *vol,
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struct cifs_sb_info *cifs_sb,
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struct cifs_tcon *tcon);
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extern char *build_wildcard_path_from_dentry(struct dentry *direntry);
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extern char *cifs_compose_mount_options(const char *sb_mountdata,
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const char *fullpath, const struct dfs_info3_param *ref,
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char **devname);
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/* extern void renew_parental_timestamps(struct dentry *direntry);*/
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extern struct mid_q_entry *AllocMidQEntry(const struct smb_hdr *smb_buffer,
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struct TCP_Server_Info *server);
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extern void DeleteMidQEntry(struct mid_q_entry *midEntry);
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extern void cifs_delete_mid(struct mid_q_entry *mid);
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extern void cifs_wake_up_task(struct mid_q_entry *mid);
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extern int cifs_call_async(struct TCP_Server_Info *server,
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struct smb_rqst *rqst,
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mid_receive_t *receive, mid_callback_t *callback,
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void *cbdata, const int flags);
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extern int SendReceive(const unsigned int /* xid */ , struct cifs_ses *,
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struct smb_hdr * /* input */ ,
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struct smb_hdr * /* out */ ,
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int * /* bytes returned */ , const int);
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extern int SendReceiveNoRsp(const unsigned int xid, struct cifs_ses *ses,
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char *in_buf, int flags);
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extern struct mid_q_entry *cifs_setup_request(struct cifs_ses *,
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struct smb_rqst *);
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extern struct mid_q_entry *cifs_setup_async_request(struct TCP_Server_Info *,
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struct smb_rqst *);
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extern int cifs_check_receive(struct mid_q_entry *mid,
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struct TCP_Server_Info *server, bool log_error);
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extern int SendReceive2(const unsigned int /* xid */ , struct cifs_ses *,
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struct kvec *, int /* nvec to send */,
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int * /* type of buf returned */ , const int flags);
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extern int SendReceiveBlockingLock(const unsigned int xid,
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struct cifs_tcon *ptcon,
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struct smb_hdr *in_buf ,
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struct smb_hdr *out_buf,
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int *bytes_returned);
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extern int cifs_reconnect(struct TCP_Server_Info *server);
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extern int checkSMB(char *buf, unsigned int length);
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extern bool is_valid_oplock_break(char *, struct TCP_Server_Info *);
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extern bool backup_cred(struct cifs_sb_info *);
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extern bool is_size_safe_to_change(struct cifsInodeInfo *, __u64 eof);
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extern void cifs_update_eof(struct cifsInodeInfo *cifsi, loff_t offset,
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unsigned int bytes_written);
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extern struct cifsFileInfo *find_writable_file(struct cifsInodeInfo *, bool);
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extern struct cifsFileInfo *find_readable_file(struct cifsInodeInfo *, bool);
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extern unsigned int smbCalcSize(void *buf);
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extern int decode_negTokenInit(unsigned char *security_blob, int length,
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struct TCP_Server_Info *server);
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extern int cifs_convert_address(struct sockaddr *dst, const char *src, int len);
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extern void cifs_set_port(struct sockaddr *addr, const unsigned short int port);
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extern int map_smb_to_linux_error(char *buf, bool logErr);
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extern void header_assemble(struct smb_hdr *, char /* command */ ,
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const struct cifs_tcon *, int /* length of
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fixed section (word count) in two byte units */);
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extern int small_smb_init_no_tc(const int smb_cmd, const int wct,
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struct cifs_ses *ses,
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void **request_buf);
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extern enum securityEnum select_sectype(struct TCP_Server_Info *server,
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enum securityEnum requested);
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extern int CIFS_SessSetup(const unsigned int xid, struct cifs_ses *ses,
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const struct nls_table *nls_cp);
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extern struct timespec cifs_NTtimeToUnix(__le64 utc_nanoseconds_since_1601);
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extern u64 cifs_UnixTimeToNT(struct timespec);
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extern struct timespec cnvrtDosUnixTm(__le16 le_date, __le16 le_time,
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int offset);
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extern void cifs_set_oplock_level(struct cifsInodeInfo *cinode, __u32 oplock);
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extern int cifs_unlock_range(struct cifsFileInfo *cfile,
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struct file_lock *flock, const unsigned int xid);
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extern int cifs_push_mandatory_locks(struct cifsFileInfo *cfile);
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extern struct cifsFileInfo *cifs_new_fileinfo(struct cifs_fid *fid,
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struct file *file,
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struct tcon_link *tlink,
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__u32 oplock);
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extern int cifs_posix_open(char *full_path, struct inode **inode,
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struct super_block *sb, int mode,
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unsigned int f_flags, __u32 *oplock, __u16 *netfid,
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unsigned int xid);
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void cifs_fill_uniqueid(struct super_block *sb, struct cifs_fattr *fattr);
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extern void cifs_unix_basic_to_fattr(struct cifs_fattr *fattr,
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FILE_UNIX_BASIC_INFO *info,
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struct cifs_sb_info *cifs_sb);
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extern void cifs_dir_info_to_fattr(struct cifs_fattr *, FILE_DIRECTORY_INFO *,
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struct cifs_sb_info *);
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extern void cifs_fattr_to_inode(struct inode *inode, struct cifs_fattr *fattr);
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extern struct inode *cifs_iget(struct super_block *sb,
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struct cifs_fattr *fattr);
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extern int cifs_get_inode_info(struct inode **inode, const char *full_path,
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FILE_ALL_INFO *data, struct super_block *sb,
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int xid, const __u16 *fid);
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extern int cifs_get_inode_info_unix(struct inode **pinode,
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const unsigned char *search_path,
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struct super_block *sb, unsigned int xid);
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extern int cifs_set_file_info(struct inode *inode, struct iattr *attrs,
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unsigned int xid, char *full_path, __u32 dosattr);
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extern int cifs_rename_pending_delete(const char *full_path,
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struct dentry *dentry,
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const unsigned int xid);
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extern int cifs_acl_to_fattr(struct cifs_sb_info *cifs_sb,
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struct cifs_fattr *fattr, struct inode *inode,
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const char *path, const __u16 *pfid);
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extern int id_mode_to_cifs_acl(struct inode *inode, const char *path, __u64,
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kuid_t, kgid_t);
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extern struct cifs_ntsd *get_cifs_acl(struct cifs_sb_info *, struct inode *,
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const char *, u32 *);
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extern int set_cifs_acl(struct cifs_ntsd *, __u32, struct inode *,
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const char *, int);
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extern void dequeue_mid(struct mid_q_entry *mid, bool malformed);
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extern int cifs_read_from_socket(struct TCP_Server_Info *server, char *buf,
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unsigned int to_read);
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extern int cifs_readv_from_socket(struct TCP_Server_Info *server,
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struct kvec *iov_orig, unsigned int nr_segs,
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unsigned int to_read);
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extern void cifs_setup_cifs_sb(struct smb_vol *pvolume_info,
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struct cifs_sb_info *cifs_sb);
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extern int cifs_match_super(struct super_block *, void *);
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extern void cifs_cleanup_volume_info(struct smb_vol *pvolume_info);
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extern struct smb_vol *cifs_get_volume_info(char *mount_data,
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const char *devname);
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extern int cifs_mount(struct cifs_sb_info *, struct smb_vol *);
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extern void cifs_umount(struct cifs_sb_info *);
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extern void cifs_mark_open_files_invalid(struct cifs_tcon *tcon);
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extern bool cifs_find_lock_conflict(struct cifsFileInfo *cfile, __u64 offset,
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__u64 length, __u8 type,
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struct cifsLockInfo **conf_lock,
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int rw_check);
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extern void cifs_add_pending_open(struct cifs_fid *fid,
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struct tcon_link *tlink,
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struct cifs_pending_open *open);
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extern void cifs_add_pending_open_locked(struct cifs_fid *fid,
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struct tcon_link *tlink,
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struct cifs_pending_open *open);
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extern void cifs_del_pending_open(struct cifs_pending_open *open);
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#if IS_ENABLED(CONFIG_CIFS_DFS_UPCALL)
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extern void cifs_dfs_release_automount_timer(void);
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#else /* ! IS_ENABLED(CONFIG_CIFS_DFS_UPCALL) */
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#define cifs_dfs_release_automount_timer() do { } while (0)
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#endif /* ! IS_ENABLED(CONFIG_CIFS_DFS_UPCALL) */
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void cifs_proc_init(void);
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void cifs_proc_clean(void);
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extern void cifs_move_llist(struct list_head *source, struct list_head *dest);
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extern void cifs_free_llist(struct list_head *llist);
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extern void cifs_del_lock_waiters(struct cifsLockInfo *lock);
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extern int cifs_negotiate_protocol(const unsigned int xid,
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struct cifs_ses *ses);
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extern int cifs_setup_session(const unsigned int xid, struct cifs_ses *ses,
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struct nls_table *nls_info);
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extern int cifs_enable_signing(struct TCP_Server_Info *server, bool mnt_sign_required);
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extern int CIFSSMBNegotiate(const unsigned int xid, struct cifs_ses *ses);
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extern int CIFSTCon(const unsigned int xid, struct cifs_ses *ses,
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const char *tree, struct cifs_tcon *tcon,
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const struct nls_table *);
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extern int CIFSFindFirst(const unsigned int xid, struct cifs_tcon *tcon,
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const char *searchName, struct cifs_sb_info *cifs_sb,
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__u16 *searchHandle, __u16 search_flags,
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struct cifs_search_info *psrch_inf,
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bool msearch);
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extern int CIFSFindNext(const unsigned int xid, struct cifs_tcon *tcon,
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__u16 searchHandle, __u16 search_flags,
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struct cifs_search_info *psrch_inf);
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extern int CIFSFindClose(const unsigned int xid, struct cifs_tcon *tcon,
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const __u16 search_handle);
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extern int CIFSSMBQFileInfo(const unsigned int xid, struct cifs_tcon *tcon,
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u16 netfid, FILE_ALL_INFO *pFindData);
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extern int CIFSSMBQPathInfo(const unsigned int xid, struct cifs_tcon *tcon,
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const char *search_Name, FILE_ALL_INFO *data,
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int legacy /* whether to use old info level */,
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const struct nls_table *nls_codepage, int remap);
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extern int SMBQueryInformation(const unsigned int xid, struct cifs_tcon *tcon,
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const char *search_name, FILE_ALL_INFO *data,
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const struct nls_table *nls_codepage, int remap);
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extern int CIFSSMBUnixQFileInfo(const unsigned int xid, struct cifs_tcon *tcon,
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u16 netfid, FILE_UNIX_BASIC_INFO *pFindData);
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extern int CIFSSMBUnixQPathInfo(const unsigned int xid,
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struct cifs_tcon *tcon,
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const unsigned char *searchName,
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FILE_UNIX_BASIC_INFO *pFindData,
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const struct nls_table *nls_codepage, int remap);
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extern int CIFSGetDFSRefer(const unsigned int xid, struct cifs_ses *ses,
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const char *search_name,
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struct dfs_info3_param **target_nodes,
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unsigned int *num_of_nodes,
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const struct nls_table *nls_codepage, int remap);
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extern int get_dfs_path(const unsigned int xid, struct cifs_ses *ses,
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const char *old_path,
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const struct nls_table *nls_codepage,
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unsigned int *num_referrals,
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struct dfs_info3_param **referrals, int remap);
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extern void reset_cifs_unix_caps(unsigned int xid, struct cifs_tcon *tcon,
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struct cifs_sb_info *cifs_sb,
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struct smb_vol *vol);
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extern int CIFSSMBQFSInfo(const unsigned int xid, struct cifs_tcon *tcon,
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struct kstatfs *FSData);
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extern int SMBOldQFSInfo(const unsigned int xid, struct cifs_tcon *tcon,
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struct kstatfs *FSData);
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extern int CIFSSMBSetFSUnixInfo(const unsigned int xid, struct cifs_tcon *tcon,
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__u64 cap);
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extern int CIFSSMBQFSAttributeInfo(const unsigned int xid,
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struct cifs_tcon *tcon);
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extern int CIFSSMBQFSDeviceInfo(const unsigned int xid, struct cifs_tcon *tcon);
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extern int CIFSSMBQFSUnixInfo(const unsigned int xid, struct cifs_tcon *tcon);
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extern int CIFSSMBQFSPosixInfo(const unsigned int xid, struct cifs_tcon *tcon,
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struct kstatfs *FSData);
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extern int CIFSSMBSetPathInfo(const unsigned int xid, struct cifs_tcon *tcon,
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const char *fileName, const FILE_BASIC_INFO *data,
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const struct nls_table *nls_codepage,
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int remap_special_chars);
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extern int CIFSSMBSetFileInfo(const unsigned int xid, struct cifs_tcon *tcon,
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const FILE_BASIC_INFO *data, __u16 fid,
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__u32 pid_of_opener);
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extern int CIFSSMBSetFileDisposition(const unsigned int xid,
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struct cifs_tcon *tcon,
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bool delete_file, __u16 fid,
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__u32 pid_of_opener);
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#if 0
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extern int CIFSSMBSetAttrLegacy(unsigned int xid, struct cifs_tcon *tcon,
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char *fileName, __u16 dos_attributes,
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const struct nls_table *nls_codepage);
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#endif /* possibly unneeded function */
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extern int CIFSSMBSetEOF(const unsigned int xid, struct cifs_tcon *tcon,
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const char *file_name, __u64 size,
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struct cifs_sb_info *cifs_sb, bool set_allocation);
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extern int CIFSSMBSetFileSize(const unsigned int xid, struct cifs_tcon *tcon,
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struct cifsFileInfo *cfile, __u64 size,
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bool set_allocation);
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struct cifs_unix_set_info_args {
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__u64 ctime;
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__u64 atime;
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__u64 mtime;
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__u64 mode;
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kuid_t uid;
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kgid_t gid;
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dev_t device;
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};
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extern int CIFSSMBUnixSetFileInfo(const unsigned int xid,
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struct cifs_tcon *tcon,
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const struct cifs_unix_set_info_args *args,
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u16 fid, u32 pid_of_opener);
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extern int CIFSSMBUnixSetPathInfo(const unsigned int xid,
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struct cifs_tcon *tcon, const char *file_name,
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const struct cifs_unix_set_info_args *args,
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const struct nls_table *nls_codepage,
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int remap);
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extern int CIFSSMBMkDir(const unsigned int xid, struct cifs_tcon *tcon,
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const char *name, struct cifs_sb_info *cifs_sb);
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extern int CIFSSMBRmDir(const unsigned int xid, struct cifs_tcon *tcon,
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const char *name, struct cifs_sb_info *cifs_sb);
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extern int CIFSPOSIXDelFile(const unsigned int xid, struct cifs_tcon *tcon,
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const char *name, __u16 type,
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const struct nls_table *nls_codepage,
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int remap_special_chars);
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extern int CIFSSMBDelFile(const unsigned int xid, struct cifs_tcon *tcon,
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const char *name, struct cifs_sb_info *cifs_sb);
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extern int CIFSSMBRename(const unsigned int xid, struct cifs_tcon *tcon,
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const char *from_name, const char *to_name,
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struct cifs_sb_info *cifs_sb);
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extern int CIFSSMBRenameOpenFile(const unsigned int xid, struct cifs_tcon *tcon,
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int netfid, const char *target_name,
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const struct nls_table *nls_codepage,
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int remap_special_chars);
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extern int CIFSCreateHardLink(const unsigned int xid, struct cifs_tcon *tcon,
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const char *from_name, const char *to_name,
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struct cifs_sb_info *cifs_sb);
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extern int CIFSUnixCreateHardLink(const unsigned int xid,
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struct cifs_tcon *tcon,
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const char *fromName, const char *toName,
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const struct nls_table *nls_codepage,
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int remap_special_chars);
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extern int CIFSUnixCreateSymLink(const unsigned int xid,
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struct cifs_tcon *tcon,
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const char *fromName, const char *toName,
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const struct nls_table *nls_codepage);
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extern int CIFSSMBUnixQuerySymLink(const unsigned int xid,
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struct cifs_tcon *tcon,
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const unsigned char *searchName, char **syminfo,
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const struct nls_table *nls_codepage);
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extern int CIFSSMBQuerySymLink(const unsigned int xid, struct cifs_tcon *tcon,
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__u16 fid, char **symlinkinfo,
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const struct nls_table *nls_codepage);
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extern int CIFSSMB_set_compression(const unsigned int xid,
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struct cifs_tcon *tcon, __u16 fid);
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extern int CIFSSMBOpen(const unsigned int xid, struct cifs_tcon *tcon,
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const char *fileName, const int disposition,
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const int access_flags, const int omode,
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__u16 *netfid, int *pOplock, FILE_ALL_INFO *,
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const struct nls_table *nls_codepage, int remap);
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extern int SMBLegacyOpen(const unsigned int xid, struct cifs_tcon *tcon,
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const char *fileName, const int disposition,
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const int access_flags, const int omode,
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__u16 *netfid, int *pOplock, FILE_ALL_INFO *,
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const struct nls_table *nls_codepage, int remap);
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extern int CIFSPOSIXCreate(const unsigned int xid, struct cifs_tcon *tcon,
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u32 posix_flags, __u64 mode, __u16 *netfid,
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FILE_UNIX_BASIC_INFO *pRetData,
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__u32 *pOplock, const char *name,
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const struct nls_table *nls_codepage, int remap);
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extern int CIFSSMBClose(const unsigned int xid, struct cifs_tcon *tcon,
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const int smb_file_id);
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extern int CIFSSMBFlush(const unsigned int xid, struct cifs_tcon *tcon,
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const int smb_file_id);
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extern int CIFSSMBRead(const unsigned int xid, struct cifs_io_parms *io_parms,
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unsigned int *nbytes, char **buf,
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int *return_buf_type);
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extern int CIFSSMBWrite(const unsigned int xid, struct cifs_io_parms *io_parms,
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unsigned int *nbytes, const char *buf,
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const char __user *ubuf, const int long_op);
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extern int CIFSSMBWrite2(const unsigned int xid, struct cifs_io_parms *io_parms,
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unsigned int *nbytes, struct kvec *iov, const int nvec);
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extern int CIFSGetSrvInodeNumber(const unsigned int xid, struct cifs_tcon *tcon,
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const char *search_name, __u64 *inode_number,
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const struct nls_table *nls_codepage,
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int remap);
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extern int cifs_lockv(const unsigned int xid, struct cifs_tcon *tcon,
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const __u16 netfid, const __u8 lock_type,
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const __u32 num_unlock, const __u32 num_lock,
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LOCKING_ANDX_RANGE *buf);
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extern int CIFSSMBLock(const unsigned int xid, struct cifs_tcon *tcon,
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const __u16 netfid, const __u32 netpid, const __u64 len,
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const __u64 offset, const __u32 numUnlock,
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const __u32 numLock, const __u8 lockType,
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const bool waitFlag, const __u8 oplock_level);
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extern int CIFSSMBPosixLock(const unsigned int xid, struct cifs_tcon *tcon,
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const __u16 smb_file_id, const __u32 netpid,
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const loff_t start_offset, const __u64 len,
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struct file_lock *, const __u16 lock_type,
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const bool waitFlag);
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extern int CIFSSMBTDis(const unsigned int xid, struct cifs_tcon *tcon);
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extern int CIFSSMBEcho(struct TCP_Server_Info *server);
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extern int CIFSSMBLogoff(const unsigned int xid, struct cifs_ses *ses);
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extern struct cifs_ses *sesInfoAlloc(void);
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extern void sesInfoFree(struct cifs_ses *);
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extern struct cifs_tcon *tconInfoAlloc(void);
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extern void tconInfoFree(struct cifs_tcon *);
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extern int cifs_sign_rqst(struct smb_rqst *rqst, struct TCP_Server_Info *server,
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__u32 *pexpected_response_sequence_number);
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extern int cifs_sign_smbv(struct kvec *iov, int n_vec, struct TCP_Server_Info *,
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__u32 *);
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extern int cifs_sign_smb(struct smb_hdr *, struct TCP_Server_Info *, __u32 *);
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extern int cifs_verify_signature(struct smb_rqst *rqst,
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struct TCP_Server_Info *server,
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__u32 expected_sequence_number);
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extern int SMBNTencrypt(unsigned char *, unsigned char *, unsigned char *,
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const struct nls_table *);
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extern int setup_ntlm_response(struct cifs_ses *, const struct nls_table *);
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extern int setup_ntlmv2_rsp(struct cifs_ses *, const struct nls_table *);
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extern void cifs_crypto_shash_release(struct TCP_Server_Info *);
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extern int calc_seckey(struct cifs_ses *);
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extern int generate_smb3signingkey(struct cifs_ses *);
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#ifdef CONFIG_CIFS_WEAK_PW_HASH
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extern int calc_lanman_hash(const char *password, const char *cryptkey,
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bool encrypt, char *lnm_session_key);
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#endif /* CIFS_WEAK_PW_HASH */
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#ifdef CONFIG_CIFS_DNOTIFY_EXPERIMENTAL /* unused temporarily */
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extern int CIFSSMBNotify(const unsigned int xid, struct cifs_tcon *tcon,
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const int notify_subdirs, const __u16 netfid,
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__u32 filter, struct file *file, int multishot,
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const struct nls_table *nls_codepage);
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#endif /* was needed for dnotify, and will be needed for inotify when VFS fix */
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extern int CIFSSMBCopy(unsigned int xid,
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struct cifs_tcon *source_tcon,
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const char *fromName,
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const __u16 target_tid,
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const char *toName, const int flags,
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const struct nls_table *nls_codepage,
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int remap_special_chars);
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extern ssize_t CIFSSMBQAllEAs(const unsigned int xid, struct cifs_tcon *tcon,
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const unsigned char *searchName,
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const unsigned char *ea_name, char *EAData,
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size_t bufsize, const struct nls_table *nls_codepage,
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int remap_special_chars);
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extern int CIFSSMBSetEA(const unsigned int xid, struct cifs_tcon *tcon,
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const char *fileName, const char *ea_name,
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const void *ea_value, const __u16 ea_value_len,
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const struct nls_table *nls_codepage, int remap_special_chars);
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extern int CIFSSMBGetCIFSACL(const unsigned int xid, struct cifs_tcon *tcon,
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__u16 fid, struct cifs_ntsd **acl_inf, __u32 *buflen);
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extern int CIFSSMBSetCIFSACL(const unsigned int, struct cifs_tcon *, __u16,
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struct cifs_ntsd *, __u32, int);
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extern int CIFSSMBGetPosixACL(const unsigned int xid, struct cifs_tcon *tcon,
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const unsigned char *searchName,
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char *acl_inf, const int buflen, const int acl_type,
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const struct nls_table *nls_codepage, int remap_special_chars);
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extern int CIFSSMBSetPosixACL(const unsigned int xid, struct cifs_tcon *tcon,
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const unsigned char *fileName,
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const char *local_acl, const int buflen, const int acl_type,
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const struct nls_table *nls_codepage, int remap_special_chars);
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extern int CIFSGetExtAttr(const unsigned int xid, struct cifs_tcon *tcon,
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const int netfid, __u64 *pExtAttrBits, __u64 *pMask);
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extern void cifs_autodisable_serverino(struct cifs_sb_info *cifs_sb);
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extern bool CIFSCouldBeMFSymlink(const struct cifs_fattr *fattr);
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extern int CIFSCheckMFSymlink(struct cifs_fattr *fattr,
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const unsigned char *path,
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struct cifs_sb_info *cifs_sb, unsigned int xid);
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extern int mdfour(unsigned char *, unsigned char *, int);
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extern int E_md4hash(const unsigned char *passwd, unsigned char *p16,
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const struct nls_table *codepage);
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extern int SMBencrypt(unsigned char *passwd, const unsigned char *c8,
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unsigned char *p24);
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void cifs_readdata_release(struct kref *refcount);
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int cifs_async_readv(struct cifs_readdata *rdata);
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int cifs_readv_receive(struct TCP_Server_Info *server, struct mid_q_entry *mid);
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int cifs_async_writev(struct cifs_writedata *wdata);
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void cifs_writev_complete(struct work_struct *work);
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struct cifs_writedata *cifs_writedata_alloc(unsigned int nr_pages,
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work_func_t complete);
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void cifs_writedata_release(struct kref *refcount);
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int open_query_close_cifs_symlink(const unsigned char *path, char *pbuf,
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unsigned int *pbytes_read, struct cifs_sb_info *cifs_sb,
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unsigned int xid);
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#endif /* _CIFSPROTO_H */
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