| /* |
| * fs/cifs/cifsproto.h |
| * |
| * Copyright (c) International Business Machines Corp., 2002,2008 |
| * Author(s): Steve French (sfrench@us.ibm.com) |
| * |
| * This library is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU Lesser General Public License as published |
| * by the Free Software Foundation; either version 2.1 of the License, or |
| * (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See |
| * the GNU Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public License |
| * along with this library; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| */ |
| #ifndef _CIFSPROTO_H |
| #define _CIFSPROTO_H |
| #include <linux/nls.h> |
| |
| struct statfs; |
| struct smb_vol; |
| |
| /* |
| ***************************************************************** |
| * 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 int smb_send(struct TCP_Server_Info *, struct smb_hdr *, |
| unsigned int /* length */); |
| extern unsigned int _GetXid(void); |
| extern void _FreeXid(unsigned int); |
| #define GetXid() \ |
| ({ \ |
| int __xid = (int)_GetXid(); \ |
| cFYI(1, "CIFS VFS: in %s as Xid: %d with uid: %d", \ |
| __func__, __xid, current_fsuid()); \ |
| __xid; \ |
| }) |
| |
| #define FreeXid(curr_xid) \ |
| do { \ |
| _FreeXid(curr_xid); \ |
| cFYI(1, "CIFS VFS: leaving %s (xid = %d) rc = %d", \ |
| __func__, curr_xid, (int)rc); \ |
| } while (0) |
| extern int init_cifs_idmap(void); |
| extern void exit_cifs_idmap(void); |
| extern void cifs_destroy_idmaptrees(void); |
| extern char *build_path_from_dentry(struct dentry *); |
| extern char *cifs_build_path_to_root(struct smb_vol *vol, |
| struct cifs_sb_info *cifs_sb, |
| struct cifs_tcon *tcon); |
| extern char *build_wildcard_path_from_dentry(struct dentry *direntry); |
| extern char *cifs_compose_mount_options(const char *sb_mountdata, |
| const char *fullpath, const struct dfs_info3_param *ref, |
| char **devname); |
| /* extern void renew_parental_timestamps(struct dentry *direntry);*/ |
| extern struct mid_q_entry *AllocMidQEntry(const struct smb_hdr *smb_buffer, |
| struct TCP_Server_Info *server); |
| extern void DeleteMidQEntry(struct mid_q_entry *midEntry); |
| extern int cifs_call_async(struct TCP_Server_Info *server, struct kvec *iov, |
| unsigned int nvec, mid_receive_t *receive, |
| mid_callback_t *callback, void *cbdata, |
| bool ignore_pend); |
| extern int SendReceive(const unsigned int /* xid */ , struct cifs_ses *, |
| struct smb_hdr * /* input */ , |
| struct smb_hdr * /* out */ , |
| int * /* bytes returned */ , const int long_op); |
| extern int SendReceiveNoRsp(const unsigned int xid, struct cifs_ses *ses, |
| struct smb_hdr *in_buf, int flags); |
| extern int cifs_check_receive(struct mid_q_entry *mid, |
| struct TCP_Server_Info *server, bool log_error); |
| extern int SendReceive2(const unsigned int /* xid */ , struct cifs_ses *, |
| struct kvec *, int /* nvec to send */, |
| int * /* type of buf returned */ , const int flags); |
| extern int SendReceiveBlockingLock(const unsigned int xid, |
| struct cifs_tcon *ptcon, |
| struct smb_hdr *in_buf , |
| struct smb_hdr *out_buf, |
| int *bytes_returned); |
| extern int checkSMB(struct smb_hdr *smb, __u16 mid, unsigned int length); |
| extern bool is_valid_oplock_break(struct smb_hdr *smb, |
| 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 *, bool); |
| extern struct cifsFileInfo *find_readable_file(struct cifsInodeInfo *, bool); |
| extern unsigned int smbCalcSize(struct smb_hdr *ptr); |
| 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 int cifs_set_port(struct sockaddr *addr, const unsigned short int port); |
| extern int cifs_fill_sockaddr(struct sockaddr *dst, const char *src, int len, |
| const unsigned short int port); |
| extern int map_smb_to_linux_error(struct smb_hdr *smb, 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 int CIFS_SessSetup(unsigned int xid, struct cifs_ses *ses, |
| const struct nls_table *nls_cp); |
| extern __u16 GetNextMid(struct TCP_Server_Info *server); |
| extern struct timespec cifs_NTtimeToUnix(__le64 utc_nanoseconds_since_1601); |
| extern u64 cifs_UnixTimeToNT(struct timespec); |
| extern struct timespec cnvrtDosUnixTm(__le16 le_date, __le16 le_time, |
| int offset); |
| extern void cifs_set_oplock_level(struct cifsInodeInfo *cinode, __u32 oplock); |
| |
| extern struct cifsFileInfo *cifs_new_fileinfo(__u16 fileHandle, |
| struct file *file, struct tcon_link *tlink, |
| __u32 oplock); |
| extern int cifs_posix_open(char *full_path, struct inode **pinode, |
| struct super_block *sb, |
| int mode, unsigned int f_flags, |
| __u32 *poplock, __u16 *pnetfid, 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_fattr_to_inode(struct inode *inode, struct cifs_fattr *fattr); |
| extern struct inode *cifs_iget(struct super_block *sb, |
| struct cifs_fattr *fattr); |
| |
| extern int cifs_get_file_info(struct file *filp); |
| extern int cifs_get_inode_info(struct inode **pinode, |
| const unsigned char *search_path, |
| FILE_ALL_INFO *pfile_info, |
| struct super_block *sb, int xid, const __u16 *pfid); |
| extern int cifs_get_file_info_unix(struct file *filp); |
| extern int cifs_get_inode_info_unix(struct inode **pinode, |
| const unsigned char *search_path, |
| struct super_block *sb, int xid); |
| extern int cifs_acl_to_fattr(struct cifs_sb_info *cifs_sb, |
| struct cifs_fattr *fattr, struct inode *inode, |
| const char *path, const __u16 *pfid); |
| extern int id_mode_to_cifs_acl(struct inode *inode, const char *path, __u64, |
| uid_t, gid_t); |
| extern struct cifs_ntsd *get_cifs_acl(struct cifs_sb_info *, struct inode *, |
| const char *, u32 *); |
| extern int set_cifs_acl(struct cifs_ntsd *, __u32, struct inode *, |
| const char *, int); |
| |
| 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 int cifs_readv_from_socket(struct TCP_Server_Info *server, |
| struct kvec *iov_orig, unsigned int nr_segs, |
| unsigned int to_read); |
| extern void cifs_setup_cifs_sb(struct smb_vol *pvolume_info, |
| struct cifs_sb_info *cifs_sb); |
| extern int cifs_match_super(struct super_block *, void *); |
| extern void cifs_cleanup_volume_info(struct smb_vol *pvolume_info); |
| extern struct smb_vol *cifs_get_volume_info(char *mount_data, |
| const char *devname); |
| extern int cifs_mount(struct cifs_sb_info *, struct smb_vol *); |
| extern void cifs_umount(struct cifs_sb_info *); |
| extern void cifs_dfs_release_automount_timer(void); |
| void cifs_proc_init(void); |
| void cifs_proc_clean(void); |
| |
| extern int cifs_negotiate_protocol(unsigned int xid, |
| struct cifs_ses *ses); |
| extern int cifs_setup_session(unsigned int xid, struct cifs_ses *ses, |
| struct nls_table *nls_info); |
| extern int CIFSSMBNegotiate(unsigned int xid, struct cifs_ses *ses); |
| |
| extern int CIFSTCon(unsigned int xid, struct cifs_ses *ses, |
| const char *tree, struct cifs_tcon *tcon, |
| const struct nls_table *); |
| |
| extern int CIFSFindFirst(const int xid, struct cifs_tcon *tcon, |
| const char *searchName, const struct nls_table *nls_codepage, |
| __u16 *searchHandle, __u16 search_flags, |
| struct cifs_search_info *psrch_inf, |
| int map, const char dirsep); |
| |
| extern int CIFSFindNext(const int xid, struct cifs_tcon *tcon, |
| __u16 searchHandle, __u16 search_flags, |
| struct cifs_search_info *psrch_inf); |
| |
| extern int CIFSFindClose(const int, struct cifs_tcon *tcon, |
| const __u16 search_handle); |
| |
| extern int CIFSSMBQFileInfo(const int xid, struct cifs_tcon *tcon, |
| u16 netfid, FILE_ALL_INFO *pFindData); |
| extern int CIFSSMBQPathInfo(const int xid, struct cifs_tcon *tcon, |
| const unsigned char *searchName, |
| FILE_ALL_INFO *findData, |
| int legacy /* whether to use old info level */, |
| const struct nls_table *nls_codepage, int remap); |
| extern int SMBQueryInformation(const int xid, struct cifs_tcon *tcon, |
| const unsigned char *searchName, |
| FILE_ALL_INFO *findData, |
| const struct nls_table *nls_codepage, int remap); |
| |
| extern int CIFSSMBUnixQFileInfo(const int xid, struct cifs_tcon *tcon, |
| u16 netfid, FILE_UNIX_BASIC_INFO *pFindData); |
| extern int CIFSSMBUnixQPathInfo(const 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 int xid, struct cifs_ses *ses, |
| const unsigned char *searchName, |
| struct dfs_info3_param **target_nodes, |
| unsigned int *number_of_nodes_in_array, |
| const struct nls_table *nls_codepage, int remap); |
| |
| extern int get_dfs_path(int xid, struct cifs_ses *pSesInfo, |
| const char *old_path, |
| const struct nls_table *nls_codepage, |
| unsigned int *pnum_referrals, |
| struct dfs_info3_param **preferrals, |
| int remap); |
| extern void reset_cifs_unix_caps(int xid, struct cifs_tcon *tcon, |
| struct cifs_sb_info *cifs_sb, |
| struct smb_vol *vol); |
| extern int CIFSSMBQFSInfo(const int xid, struct cifs_tcon *tcon, |
| struct kstatfs *FSData); |
| extern int SMBOldQFSInfo(const int xid, struct cifs_tcon *tcon, |
| struct kstatfs *FSData); |
| extern int CIFSSMBSetFSUnixInfo(const int xid, struct cifs_tcon *tcon, |
| __u64 cap); |
| |
| extern int CIFSSMBQFSAttributeInfo(const int xid, |
| struct cifs_tcon *tcon); |
| extern int CIFSSMBQFSDeviceInfo(const int xid, struct cifs_tcon *tcon); |
| extern int CIFSSMBQFSUnixInfo(const int xid, struct cifs_tcon *tcon); |
| extern int CIFSSMBQFSPosixInfo(const int xid, struct cifs_tcon *tcon, |
| struct kstatfs *FSData); |
| |
| extern int CIFSSMBSetPathInfo(const int xid, struct cifs_tcon *tcon, |
| const char *fileName, const FILE_BASIC_INFO *data, |
| const struct nls_table *nls_codepage, |
| int remap_special_chars); |
| extern int CIFSSMBSetFileInfo(const int xid, struct cifs_tcon *tcon, |
| const FILE_BASIC_INFO *data, __u16 fid, |
| __u32 pid_of_opener); |
| extern int CIFSSMBSetFileDisposition(const int xid, struct cifs_tcon *tcon, |
| bool delete_file, __u16 fid, __u32 pid_of_opener); |
| #if 0 |
| extern int CIFSSMBSetAttrLegacy(int xid, struct cifs_tcon *tcon, |
| char *fileName, __u16 dos_attributes, |
| const struct nls_table *nls_codepage); |
| #endif /* possibly unneeded function */ |
| extern int CIFSSMBSetEOF(const int xid, struct cifs_tcon *tcon, |
| const char *fileName, __u64 size, |
| bool setAllocationSizeFlag, |
| const struct nls_table *nls_codepage, |
| int remap_special_chars); |
| extern int CIFSSMBSetFileSize(const int xid, struct cifs_tcon *tcon, |
| __u64 size, __u16 fileHandle, __u32 opener_pid, |
| bool AllocSizeFlag); |
| |
| struct cifs_unix_set_info_args { |
| __u64 ctime; |
| __u64 atime; |
| __u64 mtime; |
| __u64 mode; |
| __u64 uid; |
| __u64 gid; |
| dev_t device; |
| }; |
| |
| extern int CIFSSMBUnixSetFileInfo(const int xid, struct cifs_tcon *tcon, |
| const struct cifs_unix_set_info_args *args, |
| u16 fid, u32 pid_of_opener); |
| |
| extern int CIFSSMBUnixSetPathInfo(const int xid, struct cifs_tcon *pTcon, |
| char *fileName, |
| const struct cifs_unix_set_info_args *args, |
| const struct nls_table *nls_codepage, |
| int remap_special_chars); |
| |
| extern int CIFSSMBMkDir(const int xid, struct cifs_tcon *tcon, |
| const char *newName, |
| const struct nls_table *nls_codepage, |
| int remap_special_chars); |
| extern int CIFSSMBRmDir(const int xid, struct cifs_tcon *tcon, |
| const char *name, const struct nls_table *nls_codepage, |
| int remap_special_chars); |
| extern int CIFSPOSIXDelFile(const 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 int xid, struct cifs_tcon *tcon, |
| const char *name, |
| const struct nls_table *nls_codepage, |
| int remap_special_chars); |
| extern int CIFSSMBRename(const int xid, struct cifs_tcon *tcon, |
| const char *fromName, const char *toName, |
| const struct nls_table *nls_codepage, |
| int remap_special_chars); |
| extern int CIFSSMBRenameOpenFile(const int xid, struct cifs_tcon *pTcon, |
| int netfid, const char *target_name, |
| const struct nls_table *nls_codepage, |
| int remap_special_chars); |
| extern int CIFSCreateHardLink(const int xid, |
| struct cifs_tcon *tcon, |
| const char *fromName, const char *toName, |
| const struct nls_table *nls_codepage, |
| int remap_special_chars); |
| extern int CIFSUnixCreateHardLink(const 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 int xid, |
| struct cifs_tcon *tcon, |
| const char *fromName, const char *toName, |
| const struct nls_table *nls_codepage); |
| extern int CIFSSMBUnixQuerySymLink(const int xid, |
| struct cifs_tcon *tcon, |
| const unsigned char *searchName, char **syminfo, |
| const struct nls_table *nls_codepage); |
| #ifdef CONFIG_CIFS_SYMLINK_EXPERIMENTAL |
| extern int CIFSSMBQueryReparseLinkInfo(const int xid, |
| struct cifs_tcon *tcon, |
| const unsigned char *searchName, |
| char *symlinkinfo, const int buflen, __u16 fid, |
| const struct nls_table *nls_codepage); |
| #endif /* temporarily unused until cifs_symlink fixed */ |
| extern int CIFSSMBOpen(const 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 SMBLegacyOpen(const 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 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 int xid, struct cifs_tcon *tcon, |
| const int smb_file_id); |
| |
| extern int CIFSSMBFlush(const int xid, struct cifs_tcon *tcon, |
| const int smb_file_id); |
| |
| extern int CIFSSMBRead(const int xid, struct cifs_io_parms *io_parms, |
| unsigned int *nbytes, char **buf, |
| int *return_buf_type); |
| extern int CIFSSMBWrite(const int xid, struct cifs_io_parms *io_parms, |
| unsigned int *nbytes, const char *buf, |
| const char __user *ubuf, const int long_op); |
| extern int CIFSSMBWrite2(const int xid, struct cifs_io_parms *io_parms, |
| unsigned int *nbytes, struct kvec *iov, const int nvec, |
| const int long_op); |
| extern int CIFSGetSrvInodeNumber(const int xid, struct cifs_tcon *tcon, |
| const unsigned char *searchName, __u64 *inode_number, |
| const struct nls_table *nls_codepage, |
| int remap_special_chars); |
| |
| extern int cifs_lockv(const 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 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 int xid, struct cifs_tcon *tcon, |
| const __u16 smb_file_id, const __u32 netpid, |
| const int get_flag, const __u64 len, struct file_lock *, |
| const __u16 lock_type, const bool waitFlag); |
| extern int CIFSSMBTDis(const int xid, struct cifs_tcon *tcon); |
| extern int CIFSSMBEcho(struct TCP_Server_Info *server); |
| extern int CIFSSMBLogoff(const 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_smb(struct smb_hdr *, struct TCP_Server_Info *, __u32 *); |
| extern int cifs_sign_smb2(struct kvec *iov, int n_vec, struct TCP_Server_Info *, |
| __u32 *); |
| extern int cifs_verify_signature(struct kvec *iov, unsigned int nr_iov, |
| struct TCP_Server_Info *server, |
| __u32 expected_sequence_number); |
| extern int SMBNTencrypt(unsigned char *, unsigned char *, unsigned char *, |
| const struct nls_table *); |
| extern int setup_ntlm_response(struct cifs_ses *, const struct nls_table *); |
| extern int setup_ntlmv2_rsp(struct cifs_ses *, const struct nls_table *); |
| extern int cifs_crypto_shash_allocate(struct TCP_Server_Info *); |
| extern void cifs_crypto_shash_release(struct TCP_Server_Info *); |
| extern int calc_seckey(struct cifs_ses *); |
| |
| #ifdef CONFIG_CIFS_WEAK_PW_HASH |
| extern int calc_lanman_hash(const char *password, const char *cryptkey, |
| bool encrypt, char *lnm_session_key); |
| #endif /* CIFS_WEAK_PW_HASH */ |
| #ifdef CONFIG_CIFS_DNOTIFY_EXPERIMENTAL /* unused temporarily */ |
| extern int CIFSSMBNotify(const int xid, struct cifs_tcon *tcon, |
| const int notify_subdirs, const __u16 netfid, |
| __u32 filter, struct file *file, int multishot, |
| const struct nls_table *nls_codepage); |
| #endif /* was needed for dnotify, and will be needed for inotify when VFS fix */ |
| extern int CIFSSMBCopy(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 int xid, struct cifs_tcon *tcon, |
| const unsigned char *searchName, |
| const unsigned char *ea_name, char *EAData, |
| size_t bufsize, const struct nls_table *nls_codepage, |
| int remap_special_chars); |
| extern int CIFSSMBSetEA(const 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, int remap_special_chars); |
| extern int CIFSSMBGetCIFSACL(const int xid, struct cifs_tcon *tcon, |
| __u16 fid, struct cifs_ntsd **acl_inf, __u32 *buflen); |
| extern int CIFSSMBSetCIFSACL(const int, struct cifs_tcon *, __u16, |
| struct cifs_ntsd *, __u32, int); |
| extern int CIFSSMBGetPosixACL(const int xid, struct cifs_tcon *tcon, |
| const unsigned char *searchName, |
| char *acl_inf, const int buflen, const int acl_type, |
| const struct nls_table *nls_codepage, int remap_special_chars); |
| extern int CIFSSMBSetPosixACL(const int xid, struct cifs_tcon *tcon, |
| const unsigned char *fileName, |
| const char *local_acl, const int buflen, const int acl_type, |
| const struct nls_table *nls_codepage, int remap_special_chars); |
| extern int CIFSGetExtAttr(const int xid, struct cifs_tcon *tcon, |
| const int netfid, __u64 *pExtAttrBits, __u64 *pMask); |
| extern void cifs_autodisable_serverino(struct cifs_sb_info *cifs_sb); |
| extern bool CIFSCouldBeMFSymlink(const struct cifs_fattr *fattr); |
| extern int CIFSCheckMFSymlink(struct cifs_fattr *fattr, |
| const unsigned char *path, |
| struct cifs_sb_info *cifs_sb, int xid); |
| extern int mdfour(unsigned char *, unsigned char *, int); |
| extern int E_md4hash(const unsigned char *passwd, unsigned char *p16, |
| const struct nls_table *codepage); |
| extern int SMBencrypt(unsigned char *passwd, const unsigned char *c8, |
| unsigned char *p24); |
| |
| /* asynchronous read support */ |
| struct cifs_readdata { |
| struct cifsFileInfo *cfile; |
| struct address_space *mapping; |
| __u64 offset; |
| unsigned int bytes; |
| pid_t pid; |
| int result; |
| struct list_head pages; |
| struct work_struct work; |
| unsigned int nr_iov; |
| struct kvec iov[1]; |
| }; |
| |
| struct cifs_readdata *cifs_readdata_alloc(unsigned int nr_pages); |
| void cifs_readdata_free(struct cifs_readdata *rdata); |
| int cifs_async_readv(struct cifs_readdata *rdata); |
| |
| /* asynchronous write support */ |
| struct cifs_writedata { |
| struct kref refcount; |
| enum writeback_sync_modes sync_mode; |
| struct work_struct work; |
| struct cifsFileInfo *cfile; |
| __u64 offset; |
| unsigned int bytes; |
| int result; |
| unsigned int nr_pages; |
| struct page *pages[1]; |
| }; |
| |
| int cifs_async_writev(struct cifs_writedata *wdata); |
| struct cifs_writedata *cifs_writedata_alloc(unsigned int nr_pages); |
| void cifs_writedata_release(struct kref *refcount); |
| |
| #endif /* _CIFSPROTO_H */ |
