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 char *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(char *buf
, unsigned int length
);
95 extern bool is_valid_oplock_break(char *, struct TCP_Server_Info
*);
96 extern bool backup_cred(struct cifs_sb_info
*);
97 extern bool is_size_safe_to_change(struct cifsInodeInfo
*, __u64 eof
);
98 extern void cifs_update_eof(struct cifsInodeInfo
*cifsi
, loff_t offset
,
99 unsigned int bytes_written
);
100 extern struct cifsFileInfo
*find_writable_file(struct cifsInodeInfo
*, bool);
101 extern struct cifsFileInfo
*find_readable_file(struct cifsInodeInfo
*, bool);
102 extern unsigned int smbCalcSize(struct smb_hdr
*ptr
);
103 extern int decode_negTokenInit(unsigned char *security_blob
, int length
,
104 struct TCP_Server_Info
*server
);
105 extern int cifs_convert_address(struct sockaddr
*dst
, const char *src
, int len
);
106 extern int cifs_set_port(struct sockaddr
*addr
, const unsigned short int port
);
107 extern int cifs_fill_sockaddr(struct sockaddr
*dst
, const char *src
, int len
,
108 const unsigned short int port
);
109 extern int map_smb_to_linux_error(char *buf
, bool logErr
);
110 extern void header_assemble(struct smb_hdr
*, char /* command */ ,
111 const struct cifs_tcon
*, int /* length of
112 fixed section (word count) in two byte units */);
113 extern int small_smb_init_no_tc(const int smb_cmd
, const int wct
,
114 struct cifs_ses
*ses
,
116 extern int CIFS_SessSetup(unsigned int xid
, struct cifs_ses
*ses
,
117 const struct nls_table
*nls_cp
);
118 extern __u64
GetNextMid(struct TCP_Server_Info
*server
);
119 extern struct timespec
cifs_NTtimeToUnix(__le64 utc_nanoseconds_since_1601
);
120 extern u64
cifs_UnixTimeToNT(struct timespec
);
121 extern struct timespec
cnvrtDosUnixTm(__le16 le_date
, __le16 le_time
,
123 extern void cifs_set_oplock_level(struct cifsInodeInfo
*cinode
, __u32 oplock
);
125 extern struct cifsFileInfo
*cifs_new_fileinfo(__u16 fileHandle
,
126 struct file
*file
, struct tcon_link
*tlink
,
128 extern int cifs_posix_open(char *full_path
, struct inode
**pinode
,
129 struct super_block
*sb
,
130 int mode
, unsigned int f_flags
,
131 __u32
*poplock
, __u16
*pnetfid
, int xid
);
132 void cifs_fill_uniqueid(struct super_block
*sb
, struct cifs_fattr
*fattr
);
133 extern void cifs_unix_basic_to_fattr(struct cifs_fattr
*fattr
,
134 FILE_UNIX_BASIC_INFO
*info
,
135 struct cifs_sb_info
*cifs_sb
);
136 extern void cifs_fattr_to_inode(struct inode
*inode
, struct cifs_fattr
*fattr
);
137 extern struct inode
*cifs_iget(struct super_block
*sb
,
138 struct cifs_fattr
*fattr
);
140 extern int cifs_get_file_info(struct file
*filp
);
141 extern int cifs_get_inode_info(struct inode
**pinode
,
142 const unsigned char *search_path
,
143 FILE_ALL_INFO
*pfile_info
,
144 struct super_block
*sb
, int xid
, const __u16
*pfid
);
145 extern int cifs_get_file_info_unix(struct file
*filp
);
146 extern int cifs_get_inode_info_unix(struct inode
**pinode
,
147 const unsigned char *search_path
,
148 struct super_block
*sb
, int xid
);
149 extern int cifs_acl_to_fattr(struct cifs_sb_info
*cifs_sb
,
150 struct cifs_fattr
*fattr
, struct inode
*inode
,
151 const char *path
, const __u16
*pfid
);
152 extern int id_mode_to_cifs_acl(struct inode
*inode
, const char *path
, __u64
,
154 extern struct cifs_ntsd
*get_cifs_acl(struct cifs_sb_info
*, struct inode
*,
155 const char *, u32
*);
156 extern int set_cifs_acl(struct cifs_ntsd
*, __u32
, struct inode
*,
159 extern void dequeue_mid(struct mid_q_entry
*mid
, bool malformed
);
160 extern int cifs_read_from_socket(struct TCP_Server_Info
*server
, char *buf
,
161 unsigned int to_read
);
162 extern int cifs_readv_from_socket(struct TCP_Server_Info
*server
,
163 struct kvec
*iov_orig
, unsigned int nr_segs
,
164 unsigned int to_read
);
165 extern void cifs_setup_cifs_sb(struct smb_vol
*pvolume_info
,
166 struct cifs_sb_info
*cifs_sb
);
167 extern int cifs_match_super(struct super_block
*, void *);
168 extern void cifs_cleanup_volume_info(struct smb_vol
*pvolume_info
);
169 extern struct smb_vol
*cifs_get_volume_info(char *mount_data
,
170 const char *devname
);
171 extern int cifs_mount(struct cifs_sb_info
*, struct smb_vol
*);
172 extern void cifs_umount(struct cifs_sb_info
*);
174 #if IS_ENABLED(CONFIG_CIFS_DFS_UPCALL)
175 extern void cifs_dfs_release_automount_timer(void);
176 #else /* ! IS_ENABLED(CONFIG_CIFS_DFS_UPCALL) */
177 #define cifs_dfs_release_automount_timer() do { } while (0)
178 #endif /* ! IS_ENABLED(CONFIG_CIFS_DFS_UPCALL) */
180 void cifs_proc_init(void);
181 void cifs_proc_clean(void);
183 extern int cifs_negotiate_protocol(unsigned int xid
,
184 struct cifs_ses
*ses
);
185 extern int cifs_setup_session(unsigned int xid
, struct cifs_ses
*ses
,
186 struct nls_table
*nls_info
);
187 extern int CIFSSMBNegotiate(unsigned int xid
, struct cifs_ses
*ses
);
189 extern int CIFSTCon(unsigned int xid
, struct cifs_ses
*ses
,
190 const char *tree
, struct cifs_tcon
*tcon
,
191 const struct nls_table
*);
193 extern int CIFSFindFirst(const int xid
, struct cifs_tcon
*tcon
,
194 const char *searchName
, const struct nls_table
*nls_codepage
,
195 __u16
*searchHandle
, struct cifs_search_info
*psrch_inf
,
196 int map
, const char dirsep
);
198 extern int CIFSFindNext(const int xid
, struct cifs_tcon
*tcon
,
199 __u16 searchHandle
, struct cifs_search_info
*psrch_inf
);
201 extern int CIFSFindClose(const int, struct cifs_tcon
*tcon
,
202 const __u16 search_handle
);
204 extern int CIFSSMBQFileInfo(const int xid
, struct cifs_tcon
*tcon
,
205 u16 netfid
, FILE_ALL_INFO
*pFindData
);
206 extern int CIFSSMBQPathInfo(const int xid
, struct cifs_tcon
*tcon
,
207 const unsigned char *searchName
,
208 FILE_ALL_INFO
*findData
,
209 int legacy
/* whether to use old info level */,
210 const struct nls_table
*nls_codepage
, int remap
);
211 extern int SMBQueryInformation(const int xid
, struct cifs_tcon
*tcon
,
212 const unsigned char *searchName
,
213 FILE_ALL_INFO
*findData
,
214 const struct nls_table
*nls_codepage
, int remap
);
216 extern int CIFSSMBUnixQFileInfo(const int xid
, struct cifs_tcon
*tcon
,
217 u16 netfid
, FILE_UNIX_BASIC_INFO
*pFindData
);
218 extern int CIFSSMBUnixQPathInfo(const int xid
,
219 struct cifs_tcon
*tcon
,
220 const unsigned char *searchName
,
221 FILE_UNIX_BASIC_INFO
*pFindData
,
222 const struct nls_table
*nls_codepage
, int remap
);
224 extern int CIFSGetDFSRefer(const int xid
, struct cifs_ses
*ses
,
225 const unsigned char *searchName
,
226 struct dfs_info3_param
**target_nodes
,
227 unsigned int *number_of_nodes_in_array
,
228 const struct nls_table
*nls_codepage
, int remap
);
230 extern int get_dfs_path(int xid
, struct cifs_ses
*pSesInfo
,
231 const char *old_path
,
232 const struct nls_table
*nls_codepage
,
233 unsigned int *pnum_referrals
,
234 struct dfs_info3_param
**preferrals
,
236 extern void reset_cifs_unix_caps(int xid
, struct cifs_tcon
*tcon
,
237 struct cifs_sb_info
*cifs_sb
,
238 struct smb_vol
*vol
);
239 extern int CIFSSMBQFSInfo(const int xid
, struct cifs_tcon
*tcon
,
240 struct kstatfs
*FSData
);
241 extern int SMBOldQFSInfo(const int xid
, struct cifs_tcon
*tcon
,
242 struct kstatfs
*FSData
);
243 extern int CIFSSMBSetFSUnixInfo(const int xid
, struct cifs_tcon
*tcon
,
246 extern int CIFSSMBQFSAttributeInfo(const int xid
,
247 struct cifs_tcon
*tcon
);
248 extern int CIFSSMBQFSDeviceInfo(const int xid
, struct cifs_tcon
*tcon
);
249 extern int CIFSSMBQFSUnixInfo(const int xid
, struct cifs_tcon
*tcon
);
250 extern int CIFSSMBQFSPosixInfo(const int xid
, struct cifs_tcon
*tcon
,
251 struct kstatfs
*FSData
);
253 extern int CIFSSMBSetPathInfo(const int xid
, struct cifs_tcon
*tcon
,
254 const char *fileName
, const FILE_BASIC_INFO
*data
,
255 const struct nls_table
*nls_codepage
,
256 int remap_special_chars
);
257 extern int CIFSSMBSetFileInfo(const int xid
, struct cifs_tcon
*tcon
,
258 const FILE_BASIC_INFO
*data
, __u16 fid
,
259 __u32 pid_of_opener
);
260 extern int CIFSSMBSetFileDisposition(const int xid
, struct cifs_tcon
*tcon
,
261 bool delete_file
, __u16 fid
, __u32 pid_of_opener
);
263 extern int CIFSSMBSetAttrLegacy(int xid
, struct cifs_tcon
*tcon
,
264 char *fileName
, __u16 dos_attributes
,
265 const struct nls_table
*nls_codepage
);
266 #endif /* possibly unneeded function */
267 extern int CIFSSMBSetEOF(const int xid
, struct cifs_tcon
*tcon
,
268 const char *fileName
, __u64 size
,
269 bool setAllocationSizeFlag
,
270 const struct nls_table
*nls_codepage
,
271 int remap_special_chars
);
272 extern int CIFSSMBSetFileSize(const int xid
, struct cifs_tcon
*tcon
,
273 __u64 size
, __u16 fileHandle
, __u32 opener_pid
,
276 struct cifs_unix_set_info_args
{
286 extern int CIFSSMBUnixSetFileInfo(const int xid
, struct cifs_tcon
*tcon
,
287 const struct cifs_unix_set_info_args
*args
,
288 u16 fid
, u32 pid_of_opener
);
290 extern int CIFSSMBUnixSetPathInfo(const int xid
, struct cifs_tcon
*pTcon
,
292 const struct cifs_unix_set_info_args
*args
,
293 const struct nls_table
*nls_codepage
,
294 int remap_special_chars
);
296 extern int CIFSSMBMkDir(const int xid
, struct cifs_tcon
*tcon
,
298 const struct nls_table
*nls_codepage
,
299 int remap_special_chars
);
300 extern int CIFSSMBRmDir(const int xid
, struct cifs_tcon
*tcon
,
301 const char *name
, const struct nls_table
*nls_codepage
,
302 int remap_special_chars
);
303 extern int CIFSPOSIXDelFile(const int xid
, struct cifs_tcon
*tcon
,
304 const char *name
, __u16 type
,
305 const struct nls_table
*nls_codepage
,
306 int remap_special_chars
);
307 extern int CIFSSMBDelFile(const int xid
, struct cifs_tcon
*tcon
,
309 const struct nls_table
*nls_codepage
,
310 int remap_special_chars
);
311 extern int CIFSSMBRename(const int xid
, struct cifs_tcon
*tcon
,
312 const char *fromName
, const char *toName
,
313 const struct nls_table
*nls_codepage
,
314 int remap_special_chars
);
315 extern int CIFSSMBRenameOpenFile(const int xid
, struct cifs_tcon
*pTcon
,
316 int netfid
, const char *target_name
,
317 const struct nls_table
*nls_codepage
,
318 int remap_special_chars
);
319 extern int CIFSCreateHardLink(const int xid
,
320 struct cifs_tcon
*tcon
,
321 const char *fromName
, const char *toName
,
322 const struct nls_table
*nls_codepage
,
323 int remap_special_chars
);
324 extern int CIFSUnixCreateHardLink(const int xid
,
325 struct cifs_tcon
*tcon
,
326 const char *fromName
, const char *toName
,
327 const struct nls_table
*nls_codepage
,
328 int remap_special_chars
);
329 extern int CIFSUnixCreateSymLink(const int xid
,
330 struct cifs_tcon
*tcon
,
331 const char *fromName
, const char *toName
,
332 const struct nls_table
*nls_codepage
);
333 extern int CIFSSMBUnixQuerySymLink(const int xid
,
334 struct cifs_tcon
*tcon
,
335 const unsigned char *searchName
, char **syminfo
,
336 const struct nls_table
*nls_codepage
);
337 #ifdef CONFIG_CIFS_SYMLINK_EXPERIMENTAL
338 extern int CIFSSMBQueryReparseLinkInfo(const int xid
,
339 struct cifs_tcon
*tcon
,
340 const unsigned char *searchName
,
341 char *symlinkinfo
, const int buflen
, __u16 fid
,
342 const struct nls_table
*nls_codepage
);
343 #endif /* temporarily unused until cifs_symlink fixed */
344 extern int CIFSSMBOpen(const int xid
, struct cifs_tcon
*tcon
,
345 const char *fileName
, const int disposition
,
346 const int access_flags
, const int omode
,
347 __u16
*netfid
, int *pOplock
, FILE_ALL_INFO
*,
348 const struct nls_table
*nls_codepage
, int remap
);
349 extern int SMBLegacyOpen(const int xid
, struct cifs_tcon
*tcon
,
350 const char *fileName
, const int disposition
,
351 const int access_flags
, const int omode
,
352 __u16
*netfid
, int *pOplock
, FILE_ALL_INFO
*,
353 const struct nls_table
*nls_codepage
, int remap
);
354 extern int CIFSPOSIXCreate(const int xid
, struct cifs_tcon
*tcon
,
355 u32 posix_flags
, __u64 mode
, __u16
*netfid
,
356 FILE_UNIX_BASIC_INFO
*pRetData
,
357 __u32
*pOplock
, const char *name
,
358 const struct nls_table
*nls_codepage
, int remap
);
359 extern int CIFSSMBClose(const int xid
, struct cifs_tcon
*tcon
,
360 const int smb_file_id
);
362 extern int CIFSSMBFlush(const int xid
, struct cifs_tcon
*tcon
,
363 const int smb_file_id
);
365 extern int CIFSSMBRead(const int xid
, struct cifs_io_parms
*io_parms
,
366 unsigned int *nbytes
, char **buf
,
367 int *return_buf_type
);
368 extern int CIFSSMBWrite(const int xid
, struct cifs_io_parms
*io_parms
,
369 unsigned int *nbytes
, const char *buf
,
370 const char __user
*ubuf
, const int long_op
);
371 extern int CIFSSMBWrite2(const int xid
, struct cifs_io_parms
*io_parms
,
372 unsigned int *nbytes
, struct kvec
*iov
, const int nvec
,
374 extern int CIFSGetSrvInodeNumber(const int xid
, struct cifs_tcon
*tcon
,
375 const unsigned char *searchName
, __u64
*inode_number
,
376 const struct nls_table
*nls_codepage
,
377 int remap_special_chars
);
379 extern int cifs_lockv(const int xid
, struct cifs_tcon
*tcon
, const __u16 netfid
,
380 const __u8 lock_type
, const __u32 num_unlock
,
381 const __u32 num_lock
, LOCKING_ANDX_RANGE
*buf
);
382 extern int CIFSSMBLock(const int xid
, struct cifs_tcon
*tcon
,
383 const __u16 netfid
, const __u32 netpid
, const __u64 len
,
384 const __u64 offset
, const __u32 numUnlock
,
385 const __u32 numLock
, const __u8 lockType
,
386 const bool waitFlag
, const __u8 oplock_level
);
387 extern int CIFSSMBPosixLock(const int xid
, struct cifs_tcon
*tcon
,
388 const __u16 smb_file_id
, const __u32 netpid
,
389 const int get_flag
, const __u64 len
, struct file_lock
*,
390 const __u16 lock_type
, const bool waitFlag
);
391 extern int CIFSSMBTDis(const int xid
, struct cifs_tcon
*tcon
);
392 extern int CIFSSMBEcho(struct TCP_Server_Info
*server
);
393 extern int CIFSSMBLogoff(const int xid
, struct cifs_ses
*ses
);
395 extern struct cifs_ses
*sesInfoAlloc(void);
396 extern void sesInfoFree(struct cifs_ses
*);
397 extern struct cifs_tcon
*tconInfoAlloc(void);
398 extern void tconInfoFree(struct cifs_tcon
*);
400 extern int cifs_sign_smb(struct smb_hdr
*, struct TCP_Server_Info
*, __u32
*);
401 extern int cifs_sign_smb2(struct kvec
*iov
, int n_vec
, struct TCP_Server_Info
*,
403 extern int cifs_verify_signature(struct kvec
*iov
, unsigned int nr_iov
,
404 struct TCP_Server_Info
*server
,
405 __u32 expected_sequence_number
);
406 extern int SMBNTencrypt(unsigned char *, unsigned char *, unsigned char *,
407 const struct nls_table
*);
408 extern int setup_ntlm_response(struct cifs_ses
*, const struct nls_table
*);
409 extern int setup_ntlmv2_rsp(struct cifs_ses
*, const struct nls_table
*);
410 extern int cifs_crypto_shash_allocate(struct TCP_Server_Info
*);
411 extern void cifs_crypto_shash_release(struct TCP_Server_Info
*);
412 extern int calc_seckey(struct cifs_ses
*);
414 #ifdef CONFIG_CIFS_WEAK_PW_HASH
415 extern int calc_lanman_hash(const char *password
, const char *cryptkey
,
416 bool encrypt
, char *lnm_session_key
);
417 #endif /* CIFS_WEAK_PW_HASH */
418 #ifdef CONFIG_CIFS_DNOTIFY_EXPERIMENTAL /* unused temporarily */
419 extern int CIFSSMBNotify(const int xid
, struct cifs_tcon
*tcon
,
420 const int notify_subdirs
, const __u16 netfid
,
421 __u32 filter
, struct file
*file
, int multishot
,
422 const struct nls_table
*nls_codepage
);
423 #endif /* was needed for dnotify, and will be needed for inotify when VFS fix */
424 extern int CIFSSMBCopy(int xid
,
425 struct cifs_tcon
*source_tcon
,
426 const char *fromName
,
427 const __u16 target_tid
,
428 const char *toName
, const int flags
,
429 const struct nls_table
*nls_codepage
,
430 int remap_special_chars
);
431 extern ssize_t
CIFSSMBQAllEAs(const int xid
, struct cifs_tcon
*tcon
,
432 const unsigned char *searchName
,
433 const unsigned char *ea_name
, char *EAData
,
434 size_t bufsize
, const struct nls_table
*nls_codepage
,
435 int remap_special_chars
);
436 extern int CIFSSMBSetEA(const int xid
, struct cifs_tcon
*tcon
,
437 const char *fileName
, const char *ea_name
,
438 const void *ea_value
, const __u16 ea_value_len
,
439 const struct nls_table
*nls_codepage
, int remap_special_chars
);
440 extern int CIFSSMBGetCIFSACL(const int xid
, struct cifs_tcon
*tcon
,
441 __u16 fid
, struct cifs_ntsd
**acl_inf
, __u32
*buflen
);
442 extern int CIFSSMBSetCIFSACL(const int, struct cifs_tcon
*, __u16
,
443 struct cifs_ntsd
*, __u32
, int);
444 extern int CIFSSMBGetPosixACL(const int xid
, struct cifs_tcon
*tcon
,
445 const unsigned char *searchName
,
446 char *acl_inf
, const int buflen
, const int acl_type
,
447 const struct nls_table
*nls_codepage
, int remap_special_chars
);
448 extern int CIFSSMBSetPosixACL(const int xid
, struct cifs_tcon
*tcon
,
449 const unsigned char *fileName
,
450 const char *local_acl
, const int buflen
, const int acl_type
,
451 const struct nls_table
*nls_codepage
, int remap_special_chars
);
452 extern int CIFSGetExtAttr(const int xid
, struct cifs_tcon
*tcon
,
453 const int netfid
, __u64
*pExtAttrBits
, __u64
*pMask
);
454 extern void cifs_autodisable_serverino(struct cifs_sb_info
*cifs_sb
);
455 extern bool CIFSCouldBeMFSymlink(const struct cifs_fattr
*fattr
);
456 extern int CIFSCheckMFSymlink(struct cifs_fattr
*fattr
,
457 const unsigned char *path
,
458 struct cifs_sb_info
*cifs_sb
, int xid
);
459 extern int mdfour(unsigned char *, unsigned char *, int);
460 extern int E_md4hash(const unsigned char *passwd
, unsigned char *p16
,
461 const struct nls_table
*codepage
);
462 extern int SMBencrypt(unsigned char *passwd
, const unsigned char *c8
,
465 /* asynchronous read support */
466 struct cifs_readdata
{
467 struct cifsFileInfo
*cfile
;
468 struct address_space
*mapping
;
473 struct list_head pages
;
474 struct work_struct work
;
479 struct cifs_readdata
*cifs_readdata_alloc(unsigned int nr_pages
);
480 void cifs_readdata_free(struct cifs_readdata
*rdata
);
481 int cifs_async_readv(struct cifs_readdata
*rdata
);
483 /* asynchronous write support */
484 struct cifs_writedata
{
485 struct kref refcount
;
486 struct list_head list
;
487 struct completion done
;
488 enum writeback_sync_modes sync_mode
;
489 struct work_struct work
;
490 struct cifsFileInfo
*cfile
;
495 void (*marshal_iov
) (struct kvec
*iov
,
496 struct cifs_writedata
*wdata
);
497 unsigned int nr_pages
;
498 struct page
*pages
[1];
501 int cifs_async_writev(struct cifs_writedata
*wdata
);
502 void cifs_writev_complete(struct work_struct
*work
);
503 struct cifs_writedata
*cifs_writedata_alloc(unsigned int nr_pages
,
504 work_func_t complete
);
505 void cifs_writedata_release(struct kref
*refcount
);
507 #endif /* _CIFSPROTO_H */