4 * Copyright (c) International Business Machines Corp., 2002,2008
5 * Author(s): Steve French (sfrench@us.ibm.com)
7 * This library is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU Lesser General Public License as published
9 * by the Free Software Foundation; either version 2.1 of the License, or
10 * (at your option) any later version.
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
15 * the GNU Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public License
18 * along with this library; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23 #include <linux/nls.h>
29 *****************************************************************
31 *****************************************************************
34 extern struct smb_hdr
*cifs_buf_get(void);
35 extern void cifs_buf_release(void *);
36 extern struct smb_hdr
*cifs_small_buf_get(void);
37 extern void cifs_small_buf_release(void *);
38 extern int smb_send(struct TCP_Server_Info
*, struct smb_hdr
*,
39 unsigned int /* length */);
40 extern unsigned int _GetXid(void);
41 extern void _FreeXid(unsigned int);
44 int __xid = (int)_GetXid(); \
45 cFYI(1, "CIFS VFS: in %s as Xid: %d with uid: %d", \
46 __func__, __xid, current_fsuid()); \
50 #define FreeXid(curr_xid) \
53 cFYI(1, "CIFS VFS: leaving %s (xid = %d) rc = %d", \
54 __func__, curr_xid, (int)rc); \
56 extern int init_cifs_idmap(void);
57 extern void exit_cifs_idmap(void);
58 extern void cifs_destroy_idmaptrees(void);
59 extern char *build_path_from_dentry(struct dentry
*);
60 extern char *cifs_build_path_to_root(struct smb_vol
*vol
,
61 struct cifs_sb_info
*cifs_sb
,
62 struct cifs_tcon
*tcon
);
63 extern char *build_wildcard_path_from_dentry(struct dentry
*direntry
);
64 extern char *cifs_compose_mount_options(const char *sb_mountdata
,
65 const char *fullpath
, const struct dfs_info3_param
*ref
,
67 /* extern void renew_parental_timestamps(struct dentry *direntry);*/
68 extern struct mid_q_entry
*AllocMidQEntry(const struct smb_hdr
*smb_buffer
,
69 struct TCP_Server_Info
*server
);
70 extern void DeleteMidQEntry(struct mid_q_entry
*midEntry
);
71 extern int cifs_call_async(struct TCP_Server_Info
*server
, struct kvec
*iov
,
72 unsigned int nvec
, mid_receive_t
*receive
,
73 mid_callback_t
*callback
, void *cbdata
,
75 extern int SendReceive(const unsigned int /* xid */ , struct cifs_ses
*,
76 struct smb_hdr
* /* input */ ,
77 struct smb_hdr
* /* out */ ,
78 int * /* bytes returned */ , const int long_op
);
79 extern int SendReceiveNoRsp(const unsigned int xid
, struct cifs_ses
*ses
,
80 struct smb_hdr
*in_buf
, int flags
);
81 extern int cifs_check_receive(struct mid_q_entry
*mid
,
82 struct TCP_Server_Info
*server
, bool log_error
);
83 extern int SendReceive2(const unsigned int /* xid */ , struct cifs_ses
*,
84 struct kvec
*, int /* nvec to send */,
85 int * /* type of buf returned */ , const int flags
);
86 extern int SendReceiveBlockingLock(const unsigned int xid
,
87 struct cifs_tcon
*ptcon
,
88 struct smb_hdr
*in_buf
,
89 struct smb_hdr
*out_buf
,
91 extern void cifs_add_credits(struct TCP_Server_Info
*server
,
92 const unsigned int add
);
93 extern void cifs_set_credits(struct TCP_Server_Info
*server
, const int val
);
94 extern int checkSMB(struct smb_hdr
*smb
, __u16 mid
, unsigned int length
);
95 extern bool is_valid_oplock_break(struct smb_hdr
*smb
,
96 struct TCP_Server_Info
*);
97 extern bool backup_cred(struct cifs_sb_info
*);
98 extern bool is_size_safe_to_change(struct cifsInodeInfo
*, __u64 eof
);
99 extern void cifs_update_eof(struct cifsInodeInfo
*cifsi
, loff_t offset
,
100 unsigned int bytes_written
);
101 extern struct cifsFileInfo
*find_writable_file(struct cifsInodeInfo
*, bool);
102 extern struct cifsFileInfo
*find_readable_file(struct cifsInodeInfo
*, bool);
103 extern unsigned int smbCalcSize(struct smb_hdr
*ptr
);
104 extern int decode_negTokenInit(unsigned char *security_blob
, int length
,
105 struct TCP_Server_Info
*server
);
106 extern int cifs_convert_address(struct sockaddr
*dst
, const char *src
, int len
);
107 extern int cifs_set_port(struct sockaddr
*addr
, const unsigned short int port
);
108 extern int cifs_fill_sockaddr(struct sockaddr
*dst
, const char *src
, int len
,
109 const unsigned short int port
);
110 extern int map_smb_to_linux_error(struct smb_hdr
*smb
, bool logErr
);
111 extern void header_assemble(struct smb_hdr
*, char /* command */ ,
112 const struct cifs_tcon
*, int /* length of
113 fixed section (word count) in two byte units */);
114 extern int small_smb_init_no_tc(const int smb_cmd
, const int wct
,
115 struct cifs_ses
*ses
,
117 extern int CIFS_SessSetup(unsigned int xid
, struct cifs_ses
*ses
,
118 const struct nls_table
*nls_cp
);
119 extern __u16
GetNextMid(struct TCP_Server_Info
*server
);
120 extern struct timespec
cifs_NTtimeToUnix(__le64 utc_nanoseconds_since_1601
);
121 extern u64
cifs_UnixTimeToNT(struct timespec
);
122 extern struct timespec
cnvrtDosUnixTm(__le16 le_date
, __le16 le_time
,
124 extern void cifs_set_oplock_level(struct cifsInodeInfo
*cinode
, __u32 oplock
);
126 extern struct cifsFileInfo
*cifs_new_fileinfo(__u16 fileHandle
,
127 struct file
*file
, struct tcon_link
*tlink
,
129 extern int cifs_posix_open(char *full_path
, struct inode
**pinode
,
130 struct super_block
*sb
,
131 int mode
, unsigned int f_flags
,
132 __u32
*poplock
, __u16
*pnetfid
, int xid
);
133 void cifs_fill_uniqueid(struct super_block
*sb
, struct cifs_fattr
*fattr
);
134 extern void cifs_unix_basic_to_fattr(struct cifs_fattr
*fattr
,
135 FILE_UNIX_BASIC_INFO
*info
,
136 struct cifs_sb_info
*cifs_sb
);
137 extern void cifs_fattr_to_inode(struct inode
*inode
, struct cifs_fattr
*fattr
);
138 extern struct inode
*cifs_iget(struct super_block
*sb
,
139 struct cifs_fattr
*fattr
);
141 extern int cifs_get_file_info(struct file
*filp
);
142 extern int cifs_get_inode_info(struct inode
**pinode
,
143 const unsigned char *search_path
,
144 FILE_ALL_INFO
*pfile_info
,
145 struct super_block
*sb
, int xid
, const __u16
*pfid
);
146 extern int cifs_get_file_info_unix(struct file
*filp
);
147 extern int cifs_get_inode_info_unix(struct inode
**pinode
,
148 const unsigned char *search_path
,
149 struct super_block
*sb
, int xid
);
150 extern int cifs_acl_to_fattr(struct cifs_sb_info
*cifs_sb
,
151 struct cifs_fattr
*fattr
, struct inode
*inode
,
152 const char *path
, const __u16
*pfid
);
153 extern int id_mode_to_cifs_acl(struct inode
*inode
, const char *path
, __u64
,
155 extern struct cifs_ntsd
*get_cifs_acl(struct cifs_sb_info
*, struct inode
*,
156 const char *, u32
*);
157 extern int set_cifs_acl(struct cifs_ntsd
*, __u32
, struct inode
*,
160 extern void dequeue_mid(struct mid_q_entry
*mid
, bool malformed
);
161 extern int cifs_read_from_socket(struct TCP_Server_Info
*server
, char *buf
,
162 unsigned int to_read
);
163 extern int cifs_readv_from_socket(struct TCP_Server_Info
*server
,
164 struct kvec
*iov_orig
, unsigned int nr_segs
,
165 unsigned int to_read
);
166 extern void cifs_setup_cifs_sb(struct smb_vol
*pvolume_info
,
167 struct cifs_sb_info
*cifs_sb
);
168 extern int cifs_match_super(struct super_block
*, void *);
169 extern void cifs_cleanup_volume_info(struct smb_vol
*pvolume_info
);
170 extern struct smb_vol
*cifs_get_volume_info(char *mount_data
,
171 const char *devname
);
172 extern int cifs_mount(struct cifs_sb_info
*, struct smb_vol
*);
173 extern void cifs_umount(struct cifs_sb_info
*);
175 #if IS_ENABLED(CONFIG_CIFS_DFS_UPCALL)
176 extern void cifs_dfs_release_automount_timer(void);
177 #else /* ! IS_ENABLED(CONFIG_CIFS_DFS_UPCALL) */
178 #define cifs_dfs_release_automount_timer() do { } while (0)
179 #endif /* ! IS_ENABLED(CONFIG_CIFS_DFS_UPCALL) */
181 void cifs_proc_init(void);
182 void cifs_proc_clean(void);
184 extern int cifs_negotiate_protocol(unsigned int xid
,
185 struct cifs_ses
*ses
);
186 extern int cifs_setup_session(unsigned int xid
, struct cifs_ses
*ses
,
187 struct nls_table
*nls_info
);
188 extern int CIFSSMBNegotiate(unsigned int xid
, struct cifs_ses
*ses
);
190 extern int CIFSTCon(unsigned int xid
, struct cifs_ses
*ses
,
191 const char *tree
, struct cifs_tcon
*tcon
,
192 const struct nls_table
*);
194 extern int CIFSFindFirst(const int xid
, struct cifs_tcon
*tcon
,
195 const char *searchName
, const struct nls_table
*nls_codepage
,
196 __u16
*searchHandle
, struct cifs_search_info
*psrch_inf
,
197 int map
, const char dirsep
);
199 extern int CIFSFindNext(const int xid
, struct cifs_tcon
*tcon
,
200 __u16 searchHandle
, struct cifs_search_info
*psrch_inf
);
202 extern int CIFSFindClose(const int, struct cifs_tcon
*tcon
,
203 const __u16 search_handle
);
205 extern int CIFSSMBQFileInfo(const int xid
, struct cifs_tcon
*tcon
,
206 u16 netfid
, FILE_ALL_INFO
*pFindData
);
207 extern int CIFSSMBQPathInfo(const int xid
, struct cifs_tcon
*tcon
,
208 const unsigned char *searchName
,
209 FILE_ALL_INFO
*findData
,
210 int legacy
/* whether to use old info level */,
211 const struct nls_table
*nls_codepage
, int remap
);
212 extern int SMBQueryInformation(const int xid
, struct cifs_tcon
*tcon
,
213 const unsigned char *searchName
,
214 FILE_ALL_INFO
*findData
,
215 const struct nls_table
*nls_codepage
, int remap
);
217 extern int CIFSSMBUnixQFileInfo(const int xid
, struct cifs_tcon
*tcon
,
218 u16 netfid
, FILE_UNIX_BASIC_INFO
*pFindData
);
219 extern int CIFSSMBUnixQPathInfo(const int xid
,
220 struct cifs_tcon
*tcon
,
221 const unsigned char *searchName
,
222 FILE_UNIX_BASIC_INFO
*pFindData
,
223 const struct nls_table
*nls_codepage
, int remap
);
225 extern int CIFSGetDFSRefer(const int xid
, struct cifs_ses
*ses
,
226 const unsigned char *searchName
,
227 struct dfs_info3_param
**target_nodes
,
228 unsigned int *number_of_nodes_in_array
,
229 const struct nls_table
*nls_codepage
, int remap
);
231 extern int get_dfs_path(int xid
, struct cifs_ses
*pSesInfo
,
232 const char *old_path
,
233 const struct nls_table
*nls_codepage
,
234 unsigned int *pnum_referrals
,
235 struct dfs_info3_param
**preferrals
,
237 extern void reset_cifs_unix_caps(int xid
, struct cifs_tcon
*tcon
,
238 struct cifs_sb_info
*cifs_sb
,
239 struct smb_vol
*vol
);
240 extern int CIFSSMBQFSInfo(const int xid
, struct cifs_tcon
*tcon
,
241 struct kstatfs
*FSData
);
242 extern int SMBOldQFSInfo(const int xid
, struct cifs_tcon
*tcon
,
243 struct kstatfs
*FSData
);
244 extern int CIFSSMBSetFSUnixInfo(const int xid
, struct cifs_tcon
*tcon
,
247 extern int CIFSSMBQFSAttributeInfo(const int xid
,
248 struct cifs_tcon
*tcon
);
249 extern int CIFSSMBQFSDeviceInfo(const int xid
, struct cifs_tcon
*tcon
);
250 extern int CIFSSMBQFSUnixInfo(const int xid
, struct cifs_tcon
*tcon
);
251 extern int CIFSSMBQFSPosixInfo(const int xid
, struct cifs_tcon
*tcon
,
252 struct kstatfs
*FSData
);
254 extern int CIFSSMBSetPathInfo(const int xid
, struct cifs_tcon
*tcon
,
255 const char *fileName
, const FILE_BASIC_INFO
*data
,
256 const struct nls_table
*nls_codepage
,
257 int remap_special_chars
);
258 extern int CIFSSMBSetFileInfo(const int xid
, struct cifs_tcon
*tcon
,
259 const FILE_BASIC_INFO
*data
, __u16 fid
,
260 __u32 pid_of_opener
);
261 extern int CIFSSMBSetFileDisposition(const int xid
, struct cifs_tcon
*tcon
,
262 bool delete_file
, __u16 fid
, __u32 pid_of_opener
);
264 extern int CIFSSMBSetAttrLegacy(int xid
, struct cifs_tcon
*tcon
,
265 char *fileName
, __u16 dos_attributes
,
266 const struct nls_table
*nls_codepage
);
267 #endif /* possibly unneeded function */
268 extern int CIFSSMBSetEOF(const int xid
, struct cifs_tcon
*tcon
,
269 const char *fileName
, __u64 size
,
270 bool setAllocationSizeFlag
,
271 const struct nls_table
*nls_codepage
,
272 int remap_special_chars
);
273 extern int CIFSSMBSetFileSize(const int xid
, struct cifs_tcon
*tcon
,
274 __u64 size
, __u16 fileHandle
, __u32 opener_pid
,
277 struct cifs_unix_set_info_args
{
287 extern int CIFSSMBUnixSetFileInfo(const int xid
, struct cifs_tcon
*tcon
,
288 const struct cifs_unix_set_info_args
*args
,
289 u16 fid
, u32 pid_of_opener
);
291 extern int CIFSSMBUnixSetPathInfo(const int xid
, struct cifs_tcon
*pTcon
,
293 const struct cifs_unix_set_info_args
*args
,
294 const struct nls_table
*nls_codepage
,
295 int remap_special_chars
);
297 extern int CIFSSMBMkDir(const int xid
, struct cifs_tcon
*tcon
,
299 const struct nls_table
*nls_codepage
,
300 int remap_special_chars
);
301 extern int CIFSSMBRmDir(const int xid
, struct cifs_tcon
*tcon
,
302 const char *name
, const struct nls_table
*nls_codepage
,
303 int remap_special_chars
);
304 extern int CIFSPOSIXDelFile(const int xid
, struct cifs_tcon
*tcon
,
305 const char *name
, __u16 type
,
306 const struct nls_table
*nls_codepage
,
307 int remap_special_chars
);
308 extern int CIFSSMBDelFile(const int xid
, struct cifs_tcon
*tcon
,
310 const struct nls_table
*nls_codepage
,
311 int remap_special_chars
);
312 extern int CIFSSMBRename(const int xid
, struct cifs_tcon
*tcon
,
313 const char *fromName
, const char *toName
,
314 const struct nls_table
*nls_codepage
,
315 int remap_special_chars
);
316 extern int CIFSSMBRenameOpenFile(const int xid
, struct cifs_tcon
*pTcon
,
317 int netfid
, const char *target_name
,
318 const struct nls_table
*nls_codepage
,
319 int remap_special_chars
);
320 extern int CIFSCreateHardLink(const int xid
,
321 struct cifs_tcon
*tcon
,
322 const char *fromName
, const char *toName
,
323 const struct nls_table
*nls_codepage
,
324 int remap_special_chars
);
325 extern int CIFSUnixCreateHardLink(const int xid
,
326 struct cifs_tcon
*tcon
,
327 const char *fromName
, const char *toName
,
328 const struct nls_table
*nls_codepage
,
329 int remap_special_chars
);
330 extern int CIFSUnixCreateSymLink(const int xid
,
331 struct cifs_tcon
*tcon
,
332 const char *fromName
, const char *toName
,
333 const struct nls_table
*nls_codepage
);
334 extern int CIFSSMBUnixQuerySymLink(const int xid
,
335 struct cifs_tcon
*tcon
,
336 const unsigned char *searchName
, char **syminfo
,
337 const struct nls_table
*nls_codepage
);
338 #ifdef CONFIG_CIFS_SYMLINK_EXPERIMENTAL
339 extern int CIFSSMBQueryReparseLinkInfo(const int xid
,
340 struct cifs_tcon
*tcon
,
341 const unsigned char *searchName
,
342 char *symlinkinfo
, const int buflen
, __u16 fid
,
343 const struct nls_table
*nls_codepage
);
344 #endif /* temporarily unused until cifs_symlink fixed */
345 extern int CIFSSMBOpen(const int xid
, struct cifs_tcon
*tcon
,
346 const char *fileName
, const int disposition
,
347 const int access_flags
, const int omode
,
348 __u16
*netfid
, int *pOplock
, FILE_ALL_INFO
*,
349 const struct nls_table
*nls_codepage
, int remap
);
350 extern int SMBLegacyOpen(const int xid
, struct cifs_tcon
*tcon
,
351 const char *fileName
, const int disposition
,
352 const int access_flags
, const int omode
,
353 __u16
*netfid
, int *pOplock
, FILE_ALL_INFO
*,
354 const struct nls_table
*nls_codepage
, int remap
);
355 extern int CIFSPOSIXCreate(const int xid
, struct cifs_tcon
*tcon
,
356 u32 posix_flags
, __u64 mode
, __u16
*netfid
,
357 FILE_UNIX_BASIC_INFO
*pRetData
,
358 __u32
*pOplock
, const char *name
,
359 const struct nls_table
*nls_codepage
, int remap
);
360 extern int CIFSSMBClose(const int xid
, struct cifs_tcon
*tcon
,
361 const int smb_file_id
);
363 extern int CIFSSMBFlush(const int xid
, struct cifs_tcon
*tcon
,
364 const int smb_file_id
);
366 extern int CIFSSMBRead(const int xid
, struct cifs_io_parms
*io_parms
,
367 unsigned int *nbytes
, char **buf
,
368 int *return_buf_type
);
369 extern int CIFSSMBWrite(const int xid
, struct cifs_io_parms
*io_parms
,
370 unsigned int *nbytes
, const char *buf
,
371 const char __user
*ubuf
, const int long_op
);
372 extern int CIFSSMBWrite2(const int xid
, struct cifs_io_parms
*io_parms
,
373 unsigned int *nbytes
, struct kvec
*iov
, const int nvec
,
375 extern int CIFSGetSrvInodeNumber(const int xid
, struct cifs_tcon
*tcon
,
376 const unsigned char *searchName
, __u64
*inode_number
,
377 const struct nls_table
*nls_codepage
,
378 int remap_special_chars
);
380 extern int cifs_lockv(const int xid
, struct cifs_tcon
*tcon
, const __u16 netfid
,
381 const __u8 lock_type
, const __u32 num_unlock
,
382 const __u32 num_lock
, LOCKING_ANDX_RANGE
*buf
);
383 extern int CIFSSMBLock(const int xid
, struct cifs_tcon
*tcon
,
384 const __u16 netfid
, const __u32 netpid
, const __u64 len
,
385 const __u64 offset
, const __u32 numUnlock
,
386 const __u32 numLock
, const __u8 lockType
,
387 const bool waitFlag
, const __u8 oplock_level
);
388 extern int CIFSSMBPosixLock(const int xid
, struct cifs_tcon
*tcon
,
389 const __u16 smb_file_id
, const __u32 netpid
,
390 const int get_flag
, const __u64 len
, struct file_lock
*,
391 const __u16 lock_type
, const bool waitFlag
);
392 extern int CIFSSMBTDis(const int xid
, struct cifs_tcon
*tcon
);
393 extern int CIFSSMBEcho(struct TCP_Server_Info
*server
);
394 extern int CIFSSMBLogoff(const int xid
, struct cifs_ses
*ses
);
396 extern struct cifs_ses
*sesInfoAlloc(void);
397 extern void sesInfoFree(struct cifs_ses
*);
398 extern struct cifs_tcon
*tconInfoAlloc(void);
399 extern void tconInfoFree(struct cifs_tcon
*);
401 extern int cifs_sign_smb(struct smb_hdr
*, struct TCP_Server_Info
*, __u32
*);
402 extern int cifs_sign_smb2(struct kvec
*iov
, int n_vec
, struct TCP_Server_Info
*,
404 extern int cifs_verify_signature(struct kvec
*iov
, unsigned int nr_iov
,
405 struct TCP_Server_Info
*server
,
406 __u32 expected_sequence_number
);
407 extern int SMBNTencrypt(unsigned char *, unsigned char *, unsigned char *,
408 const struct nls_table
*);
409 extern int setup_ntlm_response(struct cifs_ses
*, const struct nls_table
*);
410 extern int setup_ntlmv2_rsp(struct cifs_ses
*, const struct nls_table
*);
411 extern int cifs_crypto_shash_allocate(struct TCP_Server_Info
*);
412 extern void cifs_crypto_shash_release(struct TCP_Server_Info
*);
413 extern int calc_seckey(struct cifs_ses
*);
415 #ifdef CONFIG_CIFS_WEAK_PW_HASH
416 extern int calc_lanman_hash(const char *password
, const char *cryptkey
,
417 bool encrypt
, char *lnm_session_key
);
418 #endif /* CIFS_WEAK_PW_HASH */
419 #ifdef CONFIG_CIFS_DNOTIFY_EXPERIMENTAL /* unused temporarily */
420 extern int CIFSSMBNotify(const int xid
, struct cifs_tcon
*tcon
,
421 const int notify_subdirs
, const __u16 netfid
,
422 __u32 filter
, struct file
*file
, int multishot
,
423 const struct nls_table
*nls_codepage
);
424 #endif /* was needed for dnotify, and will be needed for inotify when VFS fix */
425 extern int CIFSSMBCopy(int xid
,
426 struct cifs_tcon
*source_tcon
,
427 const char *fromName
,
428 const __u16 target_tid
,
429 const char *toName
, const int flags
,
430 const struct nls_table
*nls_codepage
,
431 int remap_special_chars
);
432 extern ssize_t
CIFSSMBQAllEAs(const int xid
, struct cifs_tcon
*tcon
,
433 const unsigned char *searchName
,
434 const unsigned char *ea_name
, char *EAData
,
435 size_t bufsize
, const struct nls_table
*nls_codepage
,
436 int remap_special_chars
);
437 extern int CIFSSMBSetEA(const int xid
, struct cifs_tcon
*tcon
,
438 const char *fileName
, const char *ea_name
,
439 const void *ea_value
, const __u16 ea_value_len
,
440 const struct nls_table
*nls_codepage
, int remap_special_chars
);
441 extern int CIFSSMBGetCIFSACL(const int xid
, struct cifs_tcon
*tcon
,
442 __u16 fid
, struct cifs_ntsd
**acl_inf
, __u32
*buflen
);
443 extern int CIFSSMBSetCIFSACL(const int, struct cifs_tcon
*, __u16
,
444 struct cifs_ntsd
*, __u32
, int);
445 extern int CIFSSMBGetPosixACL(const int xid
, struct cifs_tcon
*tcon
,
446 const unsigned char *searchName
,
447 char *acl_inf
, const int buflen
, const int acl_type
,
448 const struct nls_table
*nls_codepage
, int remap_special_chars
);
449 extern int CIFSSMBSetPosixACL(const int xid
, struct cifs_tcon
*tcon
,
450 const unsigned char *fileName
,
451 const char *local_acl
, const int buflen
, const int acl_type
,
452 const struct nls_table
*nls_codepage
, int remap_special_chars
);
453 extern int CIFSGetExtAttr(const int xid
, struct cifs_tcon
*tcon
,
454 const int netfid
, __u64
*pExtAttrBits
, __u64
*pMask
);
455 extern void cifs_autodisable_serverino(struct cifs_sb_info
*cifs_sb
);
456 extern bool CIFSCouldBeMFSymlink(const struct cifs_fattr
*fattr
);
457 extern int CIFSCheckMFSymlink(struct cifs_fattr
*fattr
,
458 const unsigned char *path
,
459 struct cifs_sb_info
*cifs_sb
, int xid
);
460 extern int mdfour(unsigned char *, unsigned char *, int);
461 extern int E_md4hash(const unsigned char *passwd
, unsigned char *p16
,
462 const struct nls_table
*codepage
);
463 extern int SMBencrypt(unsigned char *passwd
, const unsigned char *c8
,
466 /* asynchronous read support */
467 struct cifs_readdata
{
468 struct cifsFileInfo
*cfile
;
469 struct address_space
*mapping
;
474 struct list_head pages
;
475 struct work_struct work
;
480 struct cifs_readdata
*cifs_readdata_alloc(unsigned int nr_pages
);
481 void cifs_readdata_free(struct cifs_readdata
*rdata
);
482 int cifs_async_readv(struct cifs_readdata
*rdata
);
484 /* asynchronous write support */
485 struct cifs_writedata
{
486 struct kref refcount
;
487 enum writeback_sync_modes sync_mode
;
488 struct work_struct work
;
489 struct cifsFileInfo
*cfile
;
493 unsigned int nr_pages
;
494 struct page
*pages
[1];
497 int cifs_async_writev(struct cifs_writedata
*wdata
);
498 struct cifs_writedata
*cifs_writedata_alloc(unsigned int nr_pages
);
499 void cifs_writedata_release(struct kref
*refcount
);
501 #endif /* _CIFSPROTO_H */