source3/include/vfs.h

   1 /*
   2    Unix SMB/CIFS implementation.
   3    VFS structures and parameters
   4    Copyright (C) Jeremy Allison                         1999-2005
   5    Copyright (C) Tim Potter                             1999
   6    Copyright (C) Alexander Bokovoy                      2002-2005
   7    Copyright (C) Stefan (metze) Metzmacher              2003
   8    Copyright (C) Volker Lendecke                        2009
   9
  10    This program is free software; you can redistribute it and/or modify
  11    it under the terms of the GNU General Public License as published by
  12    the Free Software Foundation; either version 3 of the License, or
  13    (at your option) any later version.
  14
  15    This program is distributed in the hope that it will be useful,
  16    but WITHOUT ANY WARRANTY; without even the implied warranty of
  17    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18    GNU General Public License for more details.
  19
  20    You should have received a copy of the GNU General Public License
  21    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  22
  23    This work was sponsored by Optifacio Software Services, Inc.
  24 */
  25
  26 #ifndef _VFS_H
  27 #define _VFS_H
  28
  29 /* Avoid conflict with an AIX include file */
  30
  31 #ifdef vfs_ops
  32 #undef vfs_ops
  33 #endif
  34
  35 /*
  36  * As we're now (thanks Andrew ! :-) using file_structs and connection
  37  * structs in the vfs - then anyone writing a vfs must include includes.h...
  38  */
  39
  40 /*
  41  * This next constant specifies the version number of the VFS interface
  42  * this smbd will load. Increment this if *ANY* changes are made to the
  43  * vfs_ops below. JRA.
  44  *
  45  * If you change anything here, please also update modules/vfs_full_audit.c.
  46  * VL.
  47  */
  48
  49 /* Changed to version 2 for CIFS UNIX extensions (mknod and link added). JRA. */
  50 /* Changed to version 3 for POSIX acl extensions. JRA. */
  51 /* Changed to version 4 for cascaded VFS interface. Alexander Bokovoy. */
  52 /* Changed to version 5 for sendfile addition. JRA. */
  53 /* Changed to version 6 for the new module system, fixed cascading and quota functions. --metze */
  54 /* Changed to version 7 to include the get_nt_acl info parameter. JRA. */
  55 /* Changed to version 8 includes EA calls. JRA. */
  56 /* Changed to version 9 to include the get_shadow_data call. --metze */
  57 /* Changed to version 10 to include pread/pwrite calls. */
  58 /* Changed to version 11 to include seekdir/telldir/rewinddir calls. JRA */
  59 /* Changed to version 12 to add mask and attributes to opendir(). JRA
  60    Also include aio calls. JRA. */
  61 /* Changed to version 13 as the internal structure of files_struct has changed. JRA */
  62 /* Changed to version 14 as we had to change DIR to SMB_STRUCT_DIR. JRA */
  63 /* Changed to version 15 as we added the statvfs call. JRA */
  64 /* Changed to version 16 as we added the getlock call. JRA */
  65 /* Changed to version 17 as we removed redundant connection_struct parameters. --jpeach */
  66 /* Changed to version 18 to add fsp parameter to the open call -- jpeach
  67    Also include kernel_flock call - jmcd */
  68 /* Changed to version 19, kernel change notify has been merged
  69    Also included linux setlease call - jmcd */
  70 /* Changed to version 20, use ntimes call instead of utime (greater
  71  * timestamp resolition. JRA. */
  72 /* Changed to version21 to add chflags operation -- jpeach */
  73 /* Changed to version22 to add lchown operation -- jra */
  74 /* Leave at 22 - not yet released. But change set_nt_acl to return an NTSTATUS. jra. */
  75 /* Leave at 22 - not yet released. Add file_id_create operation. --metze */
  76 /* Leave at 22 - not yet released. Change all BOOL parameters (int) to bool. jra. */
  77 /* Leave at 22 - not yet released. Added recvfile. */
  78 /* Leave at 22 - not yet released. Change get_nt_acl to return NTSTATUS - vl */
  79 /* Leave at 22 - not yet released. Change get_nt_acl to *not* take a
  80  * files_struct. - obnox.*/
  81 /* Leave at 22 - not yet released. Remove parameter fd from fget_nt_acl. - obnox */
  82 /* Leave at 22 - not yet released. Remove parameter fd from gset_nt_acl. - obnox */
  83 /* Leave at 22 - not yet released. Remove parameter fd from pread. - obnox */
  84 /* Leave at 22 - not yet released. Remove parameter fd from pwrite. - obnox */
  85 /* Leave at 22 - not yet released. Remove parameter fd from lseek. - obnox */
  86 /* Leave at 22 - not yet released. Remove parameter fd from fsync. - obnox */
  87 /* Leave at 22 - not yet released. Remove parameter fd from fstat. - obnox */
  88 /* Leave at 22 - not yet released. Remove parameter fd from fchmod. - obnox */
  89 /* Leave at 22 - not yet released. Remove parameter fd from fchown. - obnox */
  90 /* Leave at 22 - not yet released. Remove parameter fd from ftruncate. - obnox */
  91 /* Leave at 22 - not yet released. Remove parameter fd from lock. - obnox */
  92 /* Leave at 22 - not yet released. Remove parameter fd from kernel_flock. - obnox */
  93 /* Leave at 22 - not yet released. Remove parameter fd from linux_setlease. - obnox */
  94 /* Leave at 22 - not yet released. Remove parameter fd from getlock. - obnox */
  95 /* Leave at 22 - not yet released. Remove parameter fd from sys_acl_get_fd. - obnox */
  96 /* Leave at 22 - not yet released. Remove parameter fd from fchmod_acl. - obnox */
  97 /* Leave at 22 - not yet released. Remove parameter fd from sys_acl_set_fd. - obnox */
  98 /* Leave at 22 - not yet released. Remove parameter fd from fgetxattr. - obnox */
  99 /* Leave at 22 - not yet released. Remove parameter fd from flistxattr. - obnox */
 100 /* Leave at 22 - not yet released. Remove parameter fd from fremovexattr. - obnox */
 101 /* Leave at 22 - not yet released. Remove parameter fd from fsetxattr. - obnox */
 102 /* Leave at 22 - not yet released. Remove parameter fd from aio_cancel. - obnox */
 103 /* Leave at 22 - not yet released. Remove parameter fd from read. - obnox */
 104 /* Leave at 22 - not yet released. Remove parameter fd from write. - obnox */
 105 /* Leave at 22 - not yet released. Remove parameter fromfd from sendfile. - obnox */
 106 /* Leave at 22 - not yet released. Remove parameter fromfd from recvfile. - obnox */
 107 /* Leave at 22 - not yet released. Additional change: add operations for offline files -- ab */
 108 /* Leave at 22 - not yet released. Add the streaminfo call. -- jpeach, vl */
 109 /* Leave at 22 - not yet released. Remove parameter fd from close_fn. - obnox */
 110 /* Changed to version 23 - remove set_nt_acl call. This can only be done via an
 111    open handle. JRA. */
 112 /* Changed to version 24 - make security descriptor const in fset_nt_acl. JRA. */
 113 /* Changed to version 25 - Jelmer's change from SMB_BIG_UINT to uint64_t. */
 114 /* Leave at 25 - not yet released. Add create_file call. -- tprouty. */
 115 /* Leave at 25 - not yet released. Add create time to ntimes. -- tstecher. */
 116 /* Leave at 25 - not yet released. Add get_alloc_size call. -- tprouty. */
 117 /* Leave at 25 - not yet released. Add SMB_STRUCT_STAT to readdir. - sdann */
 118 /* Leave at 25 - not yet released. Add init_search_op call. - sdann */
 119 /* Leave at 25 - not yet released. Add locking calls. -- zkirsch. */
 120 /* Leave at 25 - not yet released. Add strict locking calls. -- drichards. */
 121 /* Changed to version 26 - Plumb struct smb_filename to SMB_VFS_CREATE_FILE,
 122                            SMB_VFS_OPEN, SMB_VFS_STAT, SMB_VFS_LSTAT,
 123                            SMB_VFS_RENAME, SMB_VFS_UNLINK, SMB_VFS_NTIMES.  */
 124 /* Changed to version 27 - not yet released. Added enum timestamp_set_resolution
 125  *                         return to fs_capabilities call. JRA. */
 126 /* Leave at 27 - not yet released. Add translate_name VFS call to convert
 127                  UNIX names to Windows supported names -- asrinivasan. */
 128 #define SMB_VFS_INTERFACE_VERSION 27
 129
 130
 131 /* to bug old modules which are trying to compile with the old functions */
 132 #define vfs_init __ERROR_please_port_this_module_to_SMB_VFS_INTERFACE_VERSION_8_donot_use_vfs_init_anymore(void) { __ERROR_please_port_this_module_to_SMB_VFS_INTERFACE_VERSION_8_donot_use_vfs_init_anymore };
 133 #define lp_parm_string __ERROR_please_port_lp_parm_string_to_lp_parm_const_string_or_lp_parm_talloc_string { \
 134   __ERROR_please_port_lp_parm_string_to_lp_parm_const_string_or_lp_parm_talloc_string };
 135 #define lp_vfs_options __ERROR_please_donot_use_lp_vfs_options_anymore_use_lp_parm_xxxx_functions_instead { \
 136   __ERROR_please_donot_use_lp_vfs_options_anymore_use_lp_parm_xxxx_functions_instead };
 137
 138 /*
 139     All intercepted VFS operations must be declared as static functions inside module source
 140     in order to keep smbd namespace unpolluted. See source of audit, extd_audit, fake_perms and recycle
 141     example VFS modules for more details.
 142 */
 143
 144 /* VFS operations structure */
 145
 146 struct vfs_handle_struct;
 147 struct connection_struct;
 148 struct files_struct;
 149 struct security_descriptor;
 150 struct vfs_statvfs_struct;
 151 struct smb_request;
 152 struct ea_list;
 153 struct smb_file_time;
 154 struct blocking_lock_record;
 155 struct smb_filename;
 156
 157 #define VFS_FIND(__fn__) while (handle->fns->__fn__==NULL) { \
 158                                 handle = handle->next; \
 159                          }
 160
 161 enum vfs_translate_direction {
 162         vfs_translate_to_unix = 0,
 163         vfs_translate_to_windows
 164 };
 165
 166 /*
 167     Available VFS operations. These values must be in sync with vfs_ops struct
 168     (struct vfs_fn_pointers and struct vfs_handle_pointers inside of struct vfs_ops).
 169     In particular, if new operations are added to vfs_ops, appropriate constants
 170     should be added to vfs_op_type so that order of them kept same as in vfs_ops.
 171 */
 172
 173 struct vfs_fn_pointers {
 174         /* Disk operations */
 175
 176         int (*connect_fn)(struct vfs_handle_struct *handle, const char *service, const char *user);
 177         void (*disconnect)(struct vfs_handle_struct *handle);
 178         uint64_t (*disk_free)(struct vfs_handle_struct *handle, const char *path, bool small_query, uint64_t *bsize,
 179                               uint64_t *dfree, uint64_t *dsize);
 180         int (*get_quota)(struct vfs_handle_struct *handle, enum SMB_QUOTA_TYPE qtype, unid_t id, SMB_DISK_QUOTA *qt);
 181         int (*set_quota)(struct vfs_handle_struct *handle, enum SMB_QUOTA_TYPE qtype, unid_t id, SMB_DISK_QUOTA *qt);
 182         int (*get_shadow_copy_data)(struct vfs_handle_struct *handle, struct files_struct *fsp, SHADOW_COPY_DATA *shadow_copy_data, bool labels);
 183         int (*statvfs)(struct vfs_handle_struct *handle, const char *path, struct vfs_statvfs_struct *statbuf);
 184         uint32_t (*fs_capabilities)(struct vfs_handle_struct *handle, enum timestamp_set_resolution *p_ts_res);
 185
 186         /* Directory operations */
 187
 188         SMB_STRUCT_DIR *(*opendir)(struct vfs_handle_struct *handle, const char *fname, const char *mask, uint32 attributes);
 189         SMB_STRUCT_DIRENT *(*readdir)(struct vfs_handle_struct *handle,
 190                                       SMB_STRUCT_DIR *dirp,
 191                                       SMB_STRUCT_STAT *sbuf);
 192         void (*seekdir)(struct vfs_handle_struct *handle, SMB_STRUCT_DIR *dirp, long offset);
 193         long (*telldir)(struct vfs_handle_struct *handle, SMB_STRUCT_DIR *dirp);
 194         void (*rewind_dir)(struct vfs_handle_struct *handle, SMB_STRUCT_DIR *dirp);
 195         int (*mkdir)(struct vfs_handle_struct *handle, const char *path, mode_t mode);
 196         int (*rmdir)(struct vfs_handle_struct *handle, const char *path);
 197         int (*closedir)(struct vfs_handle_struct *handle, SMB_STRUCT_DIR *dir);
 198         void (*init_search_op)(struct vfs_handle_struct *handle, SMB_STRUCT_DIR *dirp);
 199
 200         /* File operations */
 201
 202         int (*open)(struct vfs_handle_struct *handle,
 203                     struct smb_filename *smb_fname, files_struct *fsp,
 204                     int flags, mode_t mode);
 205         NTSTATUS (*create_file)(struct vfs_handle_struct *handle,
 206                                 struct smb_request *req,
 207                                 uint16_t root_dir_fid,
 208                                 struct smb_filename *smb_fname,
 209                                 uint32_t access_mask,
 210                                 uint32_t share_access,
 211                                 uint32_t create_disposition,
 212                                 uint32_t create_options,
 213                                 uint32_t file_attributes,
 214                                 uint32_t oplock_request,
 215                                 uint64_t allocation_size,
 216                                 struct security_descriptor *sd,
 217                                 struct ea_list *ea_list,
 218                                 files_struct **result,
 219                                 int *pinfo);
 220         int (*close_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp);
 221         ssize_t (*vfs_read)(struct vfs_handle_struct *handle, struct files_struct *fsp, void *data, size_t n);
 222         ssize_t (*pread)(struct vfs_handle_struct *handle, struct files_struct *fsp, void *data, size_t n, SMB_OFF_T offset);
 223         ssize_t (*write)(struct vfs_handle_struct *handle, struct files_struct *fsp, const void *data, size_t n);
 224         ssize_t (*pwrite)(struct vfs_handle_struct *handle, struct files_struct *fsp, const void *data, size_t n, SMB_OFF_T offset);
 225         SMB_OFF_T (*lseek)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_OFF_T offset, int whence);
 226         ssize_t (*sendfile)(struct vfs_handle_struct *handle, int tofd, files_struct *fromfsp, const DATA_BLOB *header, SMB_OFF_T offset, size_t count);
 227         ssize_t (*recvfile)(struct vfs_handle_struct *handle, int fromfd, files_struct *tofsp, SMB_OFF_T offset, size_t count);
 228         int (*rename)(struct vfs_handle_struct *handle,
 229                       const struct smb_filename *smb_fname_src,
 230                       const struct smb_filename *smb_fname_dst);
 231         int (*fsync)(struct vfs_handle_struct *handle, struct files_struct *fsp);
 232         int (*stat)(struct vfs_handle_struct *handle, struct smb_filename *smb_fname);
 233         int (*fstat)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_STAT *sbuf);
 234         int (*lstat)(struct vfs_handle_struct *handle, struct smb_filename *smb_filename);
 235         uint64_t (*get_alloc_size)(struct vfs_handle_struct *handle, struct files_struct *fsp, const SMB_STRUCT_STAT *sbuf);
 236         int (*unlink)(struct vfs_handle_struct *handle,
 237                       const struct smb_filename *smb_fname);
 238         int (*chmod)(struct vfs_handle_struct *handle, const char *path, mode_t mode);
 239         int (*fchmod)(struct vfs_handle_struct *handle, struct files_struct *fsp, mode_t mode);
 240         int (*chown)(struct vfs_handle_struct *handle, const char *path, uid_t uid, gid_t gid);
 241         int (*fchown)(struct vfs_handle_struct *handle, struct files_struct *fsp, uid_t uid, gid_t gid);
 242         int (*lchown)(struct vfs_handle_struct *handle, const char *path, uid_t uid, gid_t gid);
 243         int (*chdir)(struct vfs_handle_struct *handle, const char *path);
 244         char *(*getwd)(struct vfs_handle_struct *handle, char *buf);
 245         int (*ntimes)(struct vfs_handle_struct *handle,
 246                       const struct smb_filename *smb_fname,
 247                       struct smb_file_time *ft);
 248         int (*ftruncate)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_OFF_T offset);
 249         bool (*lock)(struct vfs_handle_struct *handle, struct files_struct *fsp, int op, SMB_OFF_T offset, SMB_OFF_T count, int type);
 250         int (*kernel_flock)(struct vfs_handle_struct *handle, struct files_struct *fsp,
 251                             uint32 share_mode, uint32_t access_mask);
 252         int (*linux_setlease)(struct vfs_handle_struct *handle, struct files_struct *fsp, int leasetype);
 253         bool (*getlock)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_OFF_T *poffset, SMB_OFF_T *pcount, int *ptype, pid_t *ppid);
 254         int (*symlink)(struct vfs_handle_struct *handle, const char *oldpath, const char *newpath);
 255         int (*vfs_readlink)(struct vfs_handle_struct *handle, const char *path, char *buf, size_t bufsiz);
 256         int (*link)(struct vfs_handle_struct *handle, const char *oldpath, const char *newpath);
 257         int (*mknod)(struct vfs_handle_struct *handle, const char *path, mode_t mode, SMB_DEV_T dev);
 258         char *(*realpath)(struct vfs_handle_struct *handle, const char *path, char *resolved_path);
 259         NTSTATUS (*notify_watch)(struct vfs_handle_struct *handle,
 260                                  struct sys_notify_context *ctx,
 261                                  struct notify_entry *e,
 262                                  void (*callback)(struct sys_notify_context *ctx,
 263                                                   void *private_data,
 264                                                   struct notify_event *ev),
 265                                  void *private_data, void *handle_p);
 266         int (*chflags)(struct vfs_handle_struct *handle, const char *path, unsigned int flags);
 267         struct file_id (*file_id_create)(struct vfs_handle_struct *handle,
 268                                          const SMB_STRUCT_STAT *sbuf);
 269
 270         NTSTATUS (*streaminfo)(struct vfs_handle_struct *handle,
 271                                struct files_struct *fsp,
 272                                const char *fname,
 273                                TALLOC_CTX *mem_ctx,
 274                                unsigned int *num_streams,
 275                                struct stream_struct **streams);
 276
 277         int (*get_real_filename)(struct vfs_handle_struct *handle,
 278                                  const char *path,
 279                                  const char *name,
 280                                  TALLOC_CTX *mem_ctx,
 281                                  char **found_name);
 282
 283         const char *(*connectpath)(struct vfs_handle_struct *handle,
 284                                    const char *filename);
 285
 286         NTSTATUS (*brl_lock_windows)(struct vfs_handle_struct *handle,
 287                                      struct byte_range_lock *br_lck,
 288                                      struct lock_struct *plock,
 289                                      bool blocking_lock,
 290                                      struct blocking_lock_record *blr);
 291
 292         bool (*brl_unlock_windows)(struct vfs_handle_struct *handle,
 293                                    struct messaging_context *msg_ctx,
 294                                    struct byte_range_lock *br_lck,
 295                                    const struct lock_struct *plock);
 296
 297         bool (*brl_cancel_windows)(struct vfs_handle_struct *handle,
 298                                    struct byte_range_lock *br_lck,
 299                                    struct lock_struct *plock,
 300                                    struct blocking_lock_record *blr);
 301
 302         bool (*strict_lock)(struct vfs_handle_struct *handle,
 303                             struct files_struct *fsp,
 304                             struct lock_struct *plock);
 305
 306         void (*strict_unlock)(struct vfs_handle_struct *handle,
 307                               struct files_struct *fsp,
 308                               struct lock_struct *plock);
 309
 310         NTSTATUS (*translate_name)(struct vfs_handle_struct *handle,
 311                                    char **mapped_name,
 312                                    enum vfs_translate_direction direction);
 313
 314         /* NT ACL operations. */
 315
 316         NTSTATUS (*fget_nt_acl)(struct vfs_handle_struct *handle,
 317                                 struct files_struct *fsp,
 318                                 uint32 security_info,
 319                                 struct security_descriptor **ppdesc);
 320         NTSTATUS (*get_nt_acl)(struct vfs_handle_struct *handle,
 321                                const char *name,
 322                                uint32 security_info,
 323                                struct security_descriptor **ppdesc);
 324         NTSTATUS (*fset_nt_acl)(struct vfs_handle_struct *handle,
 325                                 struct files_struct *fsp,
 326                                 uint32 security_info_sent,
 327                                 const struct security_descriptor *psd);
 328
 329         /* POSIX ACL operations. */
 330
 331         int (*chmod_acl)(struct vfs_handle_struct *handle, const char *name, mode_t mode);
 332         int (*fchmod_acl)(struct vfs_handle_struct *handle, struct files_struct *fsp, mode_t mode);
 333
 334         int (*sys_acl_get_entry)(struct vfs_handle_struct *handle, SMB_ACL_T theacl, int entry_id, SMB_ACL_ENTRY_T *entry_p);
 335         int (*sys_acl_get_tag_type)(struct vfs_handle_struct *handle, SMB_ACL_ENTRY_T entry_d, SMB_ACL_TAG_T *tag_type_p);
 336         int (*sys_acl_get_permset)(struct vfs_handle_struct *handle, SMB_ACL_ENTRY_T entry_d, SMB_ACL_PERMSET_T *permset_p);
 337         void * (*sys_acl_get_qualifier)(struct vfs_handle_struct *handle, SMB_ACL_ENTRY_T entry_d);
 338         SMB_ACL_T (*sys_acl_get_file)(struct vfs_handle_struct *handle, const char *path_p, SMB_ACL_TYPE_T type);
 339         SMB_ACL_T (*sys_acl_get_fd)(struct vfs_handle_struct *handle, struct files_struct *fsp);
 340         int (*sys_acl_clear_perms)(struct vfs_handle_struct *handle, SMB_ACL_PERMSET_T permset);
 341         int (*sys_acl_add_perm)(struct vfs_handle_struct *handle, SMB_ACL_PERMSET_T permset, SMB_ACL_PERM_T perm);
 342         char * (*sys_acl_to_text)(struct vfs_handle_struct *handle, SMB_ACL_T theacl, ssize_t *plen);
 343         SMB_ACL_T (*sys_acl_init)(struct vfs_handle_struct *handle, int count);
 344         int (*sys_acl_create_entry)(struct vfs_handle_struct *handle, SMB_ACL_T *pacl, SMB_ACL_ENTRY_T *pentry);
 345         int (*sys_acl_set_tag_type)(struct vfs_handle_struct *handle, SMB_ACL_ENTRY_T entry, SMB_ACL_TAG_T tagtype);
 346         int (*sys_acl_set_qualifier)(struct vfs_handle_struct *handle, SMB_ACL_ENTRY_T entry, void *qual);
 347         int (*sys_acl_set_permset)(struct vfs_handle_struct *handle, SMB_ACL_ENTRY_T entry, SMB_ACL_PERMSET_T permset);
 348         int (*sys_acl_valid)(struct vfs_handle_struct *handle, SMB_ACL_T theacl );
 349         int (*sys_acl_set_file)(struct vfs_handle_struct *handle, const char *name, SMB_ACL_TYPE_T acltype, SMB_ACL_T theacl);
 350         int (*sys_acl_set_fd)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_ACL_T theacl);
 351         int (*sys_acl_delete_def_file)(struct vfs_handle_struct *handle, const char *path);
 352         int (*sys_acl_get_perm)(struct vfs_handle_struct *handle, SMB_ACL_PERMSET_T permset, SMB_ACL_PERM_T perm);
 353         int (*sys_acl_free_text)(struct vfs_handle_struct *handle, char *text);
 354         int (*sys_acl_free_acl)(struct vfs_handle_struct *handle, SMB_ACL_T posix_acl);
 355         int (*sys_acl_free_qualifier)(struct vfs_handle_struct *handle, void *qualifier, SMB_ACL_TAG_T tagtype);
 356
 357         /* EA operations. */
 358         ssize_t (*getxattr)(struct vfs_handle_struct *handle,const char *path, const char *name, void *value, size_t size);
 359         ssize_t (*lgetxattr)(struct vfs_handle_struct *handle,const char *path, const char *name, void *value, size_t size);
 360         ssize_t (*fgetxattr)(struct vfs_handle_struct *handle, struct files_struct *fsp, const char *name, void *value, size_t size);
 361         ssize_t (*listxattr)(struct vfs_handle_struct *handle, const char *path, char *list, size_t size);
 362         ssize_t (*llistxattr)(struct vfs_handle_struct *handle, const char *path, char *list, size_t size);
 363         ssize_t (*flistxattr)(struct vfs_handle_struct *handle, struct files_struct *fsp, char *list, size_t size);
 364         int (*removexattr)(struct vfs_handle_struct *handle, const char *path, const char *name);
 365         int (*lremovexattr)(struct vfs_handle_struct *handle, const char *path, const char *name);
 366         int (*fremovexattr)(struct vfs_handle_struct *handle, struct files_struct *fsp, const char *name);
 367         int (*setxattr)(struct vfs_handle_struct *handle, const char *path, const char *name, const void *value, size_t size, int flags);
 368         int (*lsetxattr)(struct vfs_handle_struct *handle, const char *path, const char *name, const void *value, size_t size, int flags);
 369         int (*fsetxattr)(struct vfs_handle_struct *handle, struct files_struct *fsp, const char *name, const void *value, size_t size, int flags);
 370
 371         /* aio operations */
 372         int (*aio_read)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb);
 373         int (*aio_write)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb);
 374         ssize_t (*aio_return_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb);
 375         int (*aio_cancel)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb);
 376         int (*aio_error_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb);
 377         int (*aio_fsync)(struct vfs_handle_struct *handle, struct files_struct *fsp, int op, SMB_STRUCT_AIOCB *aiocb);
 378         int (*aio_suspend)(struct vfs_handle_struct *handle, struct files_struct *fsp, const SMB_STRUCT_AIOCB * const aiocb[], int n, const struct timespec *timeout);
 379         bool (*aio_force)(struct vfs_handle_struct *handle, struct files_struct *fsp);
 380
 381         /* offline operations */
 382         bool (*is_offline)(struct vfs_handle_struct *handle, const char *path, SMB_STRUCT_STAT *sbuf);
 383         int (*set_offline)(struct vfs_handle_struct *handle, const char *path);
 384 };
 385
 386 /*
 387     VFS operation description. Each VFS module registers an array of vfs_op_tuple to VFS subsystem,
 388     which describes all operations this module is willing to intercept.
 389     VFS subsystem initializes then the conn->vfs_ops and conn->vfs_opaque_ops structs
 390     using this information.
 391 */
 392
 393 typedef struct vfs_handle_struct {
 394         struct vfs_handle_struct  *next, *prev;
 395         const char *param;
 396         struct connection_struct *conn;
 397         const struct vfs_fn_pointers *fns;
 398         void *data;
 399         void (*free_data)(void **data);
 400 } vfs_handle_struct;
 401
 402
 403 typedef struct vfs_statvfs_struct {
 404         /* For undefined recommended transfer size return -1 in that field */
 405         uint32 OptimalTransferSize;  /* bsize on some os, iosize on other os */
 406         uint32 BlockSize;
 407
 408         /*
 409          The next three fields are in terms of the block size.
 410          (above). If block size is unknown, 4096 would be a
 411          reasonable block size for a server to report.
 412          Note that returning the blocks/blocksavail removes need
 413          to make a second call (to QFSInfo level 0x103 to get this info.
 414          UserBlockAvail is typically less than or equal to BlocksAvail,
 415          if no distinction is made return the same value in each.
 416         */
 417
 418         uint64_t TotalBlocks;
 419         uint64_t BlocksAvail;       /* bfree */
 420         uint64_t UserBlocksAvail;   /* bavail */
 421
 422         /* For undefined Node fields or FSID return -1 */
 423         uint64_t TotalFileNodes;
 424         uint64_t FreeFileNodes;
 425         uint64_t FsIdentifier;   /* fsid */
 426         /* NB Namelen comes from FILE_SYSTEM_ATTRIBUTE_INFO call */
 427         /* NB flags can come from FILE_SYSTEM_DEVICE_INFO call   */
 428
 429         int FsCapabilities;
 430 } vfs_statvfs_struct;
 431
 432 /* Add a new FSP extension of the given type. Returns a pointer to the
 433  * extenstion data.
 434  */
 435 #define VFS_ADD_FSP_EXTENSION(handle, fsp, type, destroy_fn)            \
 436     vfs_add_fsp_extension_notype(handle, (fsp), sizeof(type), (destroy_fn))
 437
 438 /* Return a pointer to the existing FSP extension data. */
 439 #define VFS_FETCH_FSP_EXTENSION(handle, fsp) \
 440     vfs_fetch_fsp_extension(handle, (fsp))
 441
 442 /* Return the talloc context associated with an FSP extension. */
 443 #define VFS_MEMCTX_FSP_EXTENSION(handle, fsp) \
 444     vfs_memctx_fsp_extension(handle, (fsp))
 445
 446 /* Remove and destroy an FSP extension. */
 447 #define VFS_REMOVE_FSP_EXTENSION(handle, fsp) \
 448     vfs_remove_fsp_extension((handle), (fsp))
 449
 450 #define SMB_VFS_HANDLE_GET_DATA(handle, datap, type, ret) { \
 451         if (!(handle)||((datap=(type *)(handle)->data)==NULL)) { \
 452                 DEBUG(0,("%s() failed to get vfs_handle->data!\n",FUNCTION_MACRO)); \
 453                 ret; \
 454         } \
 455 }
 456
 457 #define SMB_VFS_HANDLE_SET_DATA(handle, datap, free_fn, type, ret) { \
 458         if (!(handle)) { \
 459                 DEBUG(0,("%s() failed to set handle->data!\n",FUNCTION_MACRO)); \
 460                 ret; \
 461         } else { \
 462                 if ((handle)->free_data) { \
 463                         (handle)->free_data(&(handle)->data); \
 464                 } \
 465                 (handle)->data = (void *)datap; \
 466                 (handle)->free_data = free_fn; \
 467         } \
 468 }
 469
 470 #define SMB_VFS_HANDLE_FREE_DATA(handle) { \
 471         if ((handle) && (handle)->free_data) { \
 472                 (handle)->free_data(&(handle)->data); \
 473         } \
 474 }
 475
 476 /* Check whether module-specific data handle was already allocated or not */
 477 #define SMB_VFS_HANDLE_TEST_DATA(handle)  ( !(handle) || !(handle)->data ? False : True )
 478
 479 #define SMB_VFS_OP(x) ((void *) x)
 480
 481 #define DEFAULT_VFS_MODULE_NAME "/[Default VFS]/"
 482
 483 #include "vfs_macros.h"
 484
 485 int smb_vfs_call_connect(struct vfs_handle_struct *handle,
 486                          const char *service, const char *user);
 487 void smb_vfs_call_disconnect(struct vfs_handle_struct *handle);
 488 uint64_t smb_vfs_call_disk_free(struct vfs_handle_struct *handle,
 489                                 const char *path, bool small_query,
 490                                 uint64_t *bsize, uint64_t *dfree,
 491                                 uint64_t *dsize);
 492 int smb_vfs_call_get_quota(struct vfs_handle_struct *handle,
 493                            enum SMB_QUOTA_TYPE qtype, unid_t id,
 494                            SMB_DISK_QUOTA *qt);
 495 int smb_vfs_call_set_quota(struct vfs_handle_struct *handle,
 496                            enum SMB_QUOTA_TYPE qtype, unid_t id,
 497                            SMB_DISK_QUOTA *qt);
 498 int smb_vfs_call_get_shadow_copy_data(struct vfs_handle_struct *handle,
 499                                       struct files_struct *fsp,
 500                                       SHADOW_COPY_DATA *shadow_copy_data,
 501                                       bool labels);
 502 int smb_vfs_call_statvfs(struct vfs_handle_struct *handle, const char *path,
 503                          struct vfs_statvfs_struct *statbuf);
 504 uint32_t smb_vfs_call_fs_capabilities(struct vfs_handle_struct *handle,
 505                         enum timestamp_set_resolution *p_ts_res);
 506 SMB_STRUCT_DIR *smb_vfs_call_opendir(struct vfs_handle_struct *handle,
 507                                      const char *fname, const char *mask,
 508                                      uint32 attributes);
 509 SMB_STRUCT_DIRENT *smb_vfs_call_readdir(struct vfs_handle_struct *handle,
 510                                         SMB_STRUCT_DIR *dirp,
 511                                         SMB_STRUCT_STAT *sbuf);
 512 void smb_vfs_call_seekdir(struct vfs_handle_struct *handle,
 513                           SMB_STRUCT_DIR *dirp, long offset);
 514 long smb_vfs_call_telldir(struct vfs_handle_struct *handle,
 515                           SMB_STRUCT_DIR *dirp);
 516 void smb_vfs_call_rewind_dir(struct vfs_handle_struct *handle,
 517                              SMB_STRUCT_DIR *dirp);
 518 int smb_vfs_call_mkdir(struct vfs_handle_struct *handle, const char *path,
 519                        mode_t mode);
 520 int smb_vfs_call_rmdir(struct vfs_handle_struct *handle, const char *path);
 521 int smb_vfs_call_closedir(struct vfs_handle_struct *handle,
 522                           SMB_STRUCT_DIR *dir);
 523 void smb_vfs_call_init_search_op(struct vfs_handle_struct *handle,
 524                                  SMB_STRUCT_DIR *dirp);
 525 int smb_vfs_call_open(struct vfs_handle_struct *handle,
 526                       struct smb_filename *smb_fname, struct files_struct *fsp,
 527                       int flags, mode_t mode);
 528 NTSTATUS smb_vfs_call_create_file(struct vfs_handle_struct *handle,
 529                                   struct smb_request *req,
 530                                   uint16_t root_dir_fid,
 531                                   struct smb_filename *smb_fname,
 532                                   uint32_t access_mask,
 533                                   uint32_t share_access,
 534                                   uint32_t create_disposition,
 535                                   uint32_t create_options,
 536                                   uint32_t file_attributes,
 537                                   uint32_t oplock_request,
 538                                   uint64_t allocation_size,
 539                                   struct security_descriptor *sd,
 540                                   struct ea_list *ea_list,
 541                                   files_struct **result,
 542                                   int *pinfo);
 543 int smb_vfs_call_close_fn(struct vfs_handle_struct *handle,
 544                           struct files_struct *fsp);
 545 ssize_t smb_vfs_call_vfs_read(struct vfs_handle_struct *handle,
 546                               struct files_struct *fsp, void *data, size_t n);
 547 ssize_t smb_vfs_call_pread(struct vfs_handle_struct *handle,
 548                            struct files_struct *fsp, void *data, size_t n,
 549                            SMB_OFF_T offset);
 550 ssize_t smb_vfs_call_write(struct vfs_handle_struct *handle,
 551                            struct files_struct *fsp, const void *data,
 552                            size_t n);
 553 ssize_t smb_vfs_call_pwrite(struct vfs_handle_struct *handle,
 554                             struct files_struct *fsp, const void *data,
 555                             size_t n, SMB_OFF_T offset);
 556 SMB_OFF_T smb_vfs_call_lseek(struct vfs_handle_struct *handle,
 557                              struct files_struct *fsp, SMB_OFF_T offset,
 558                              int whence);
 559 ssize_t smb_vfs_call_sendfile(struct vfs_handle_struct *handle, int tofd,
 560                               files_struct *fromfsp, const DATA_BLOB *header,
 561                               SMB_OFF_T offset, size_t count);
 562 ssize_t smb_vfs_call_recvfile(struct vfs_handle_struct *handle, int fromfd,
 563                               files_struct *tofsp, SMB_OFF_T offset,
 564                               size_t count);
 565 int smb_vfs_call_rename(struct vfs_handle_struct *handle,
 566                         const struct smb_filename *smb_fname_src,
 567                         const struct smb_filename *smb_fname_dst);
 568 int smb_vfs_call_fsync(struct vfs_handle_struct *handle,
 569                        struct files_struct *fsp);
 570 int smb_vfs_call_stat(struct vfs_handle_struct *handle,
 571                       struct smb_filename *smb_fname);
 572 int smb_vfs_call_fstat(struct vfs_handle_struct *handle,
 573                        struct files_struct *fsp, SMB_STRUCT_STAT *sbuf);
 574 int smb_vfs_call_lstat(struct vfs_handle_struct *handle,
 575                        struct smb_filename *smb_filename);
 576 uint64_t smb_vfs_call_get_alloc_size(struct vfs_handle_struct *handle,
 577                                      struct files_struct *fsp,
 578                                      const SMB_STRUCT_STAT *sbuf);
 579 int smb_vfs_call_unlink(struct vfs_handle_struct *handle,
 580                         const struct smb_filename *smb_fname);
 581 int smb_vfs_call_chmod(struct vfs_handle_struct *handle, const char *path,
 582                        mode_t mode);
 583 int smb_vfs_call_fchmod(struct vfs_handle_struct *handle,
 584                         struct files_struct *fsp, mode_t mode);
 585 int smb_vfs_call_chown(struct vfs_handle_struct *handle, const char *path,
 586                        uid_t uid, gid_t gid);
 587 int smb_vfs_call_fchown(struct vfs_handle_struct *handle,
 588                         struct files_struct *fsp, uid_t uid, gid_t gid);
 589 int smb_vfs_call_lchown(struct vfs_handle_struct *handle, const char *path,
 590                         uid_t uid, gid_t gid);
 591 int smb_vfs_call_chdir(struct vfs_handle_struct *handle, const char *path);
 592 char *smb_vfs_call_getwd(struct vfs_handle_struct *handle, char *buf);
 593 int smb_vfs_call_ntimes(struct vfs_handle_struct *handle,
 594                         const struct smb_filename *smb_fname,
 595                         struct smb_file_time *ft);
 596 int smb_vfs_call_ftruncate(struct vfs_handle_struct *handle,
 597                            struct files_struct *fsp, SMB_OFF_T offset);
 598 bool smb_vfs_call_lock(struct vfs_handle_struct *handle,
 599                        struct files_struct *fsp, int op, SMB_OFF_T offset,
 600                        SMB_OFF_T count, int type);
 601 int smb_vfs_call_kernel_flock(struct vfs_handle_struct *handle,
 602                               struct files_struct *fsp, uint32 share_mode,
 603                               uint32_t access_mask);
 604 int smb_vfs_call_linux_setlease(struct vfs_handle_struct *handle,
 605                                 struct files_struct *fsp, int leasetype);
 606 bool smb_vfs_call_getlock(struct vfs_handle_struct *handle,
 607                           struct files_struct *fsp, SMB_OFF_T *poffset,
 608                           SMB_OFF_T *pcount, int *ptype, pid_t *ppid);
 609 int smb_vfs_call_symlink(struct vfs_handle_struct *handle, const char *oldpath,
 610                          const char *newpath);
 611 int smb_vfs_call_vfs_readlink(struct vfs_handle_struct *handle,
 612                               const char *path, char *buf, size_t bufsiz);
 613 int smb_vfs_call_link(struct vfs_handle_struct *handle, const char *oldpath,
 614                       const char *newpath);
 615 int smb_vfs_call_mknod(struct vfs_handle_struct *handle, const char *path,
 616                        mode_t mode, SMB_DEV_T dev);
 617 char *smb_vfs_call_realpath(struct vfs_handle_struct *handle,
 618                             const char *path, char *resolved_path);
 619 NTSTATUS smb_vfs_call_notify_watch(struct vfs_handle_struct *handle,
 620                                    struct sys_notify_context *ctx,
 621                                    struct notify_entry *e,
 622                                    void (*callback)(struct sys_notify_context *ctx,
 623                                                     void *private_data,
 624                                                     struct notify_event *ev),
 625                                    void *private_data, void *handle_p);
 626 int smb_vfs_call_chflags(struct vfs_handle_struct *handle, const char *path,
 627                          unsigned int flags);
 628 struct file_id smb_vfs_call_file_id_create(struct vfs_handle_struct *handle,
 629                                            const SMB_STRUCT_STAT *sbuf);
 630 NTSTATUS smb_vfs_call_streaminfo(struct vfs_handle_struct *handle,
 631                                  struct files_struct *fsp,
 632                                  const char *fname,
 633                                  TALLOC_CTX *mem_ctx,
 634                                  unsigned int *num_streams,
 635                                  struct stream_struct **streams);
 636 int smb_vfs_call_get_real_filename(struct vfs_handle_struct *handle,
 637                                    const char *path, const char *name,
 638                                    TALLOC_CTX *mem_ctx, char **found_name);
 639 const char *smb_vfs_call_connectpath(struct vfs_handle_struct *handle,
 640                                      const char *filename);
 641 NTSTATUS smb_vfs_call_brl_lock_windows(struct vfs_handle_struct *handle,
 642                                        struct byte_range_lock *br_lck,
 643                                        struct lock_struct *plock,
 644                                        bool blocking_lock,
 645                                        struct blocking_lock_record *blr);
 646 bool smb_vfs_call_brl_unlock_windows(struct vfs_handle_struct *handle,
 647                                      struct messaging_context *msg_ctx,
 648                                      struct byte_range_lock *br_lck,
 649                                      const struct lock_struct *plock);
 650 bool smb_vfs_call_brl_cancel_windows(struct vfs_handle_struct *handle,
 651                                      struct byte_range_lock *br_lck,
 652                                      struct lock_struct *plock,
 653                                      struct blocking_lock_record *blr);
 654 bool smb_vfs_call_strict_lock(struct vfs_handle_struct *handle,
 655                               struct files_struct *fsp,
 656                               struct lock_struct *plock);
 657 void smb_vfs_call_strict_unlock(struct vfs_handle_struct *handle,
 658                                 struct files_struct *fsp,
 659                                 struct lock_struct *plock);
 660 NTSTATUS smb_vfs_call_translate_name(struct vfs_handle_struct *handle,
 661                                      char **mapped_name,
 662                                      enum vfs_translate_direction direction);
 663 NTSTATUS smb_vfs_call_fget_nt_acl(struct vfs_handle_struct *handle,
 664                                   struct files_struct *fsp,
 665                                   uint32 security_info,
 666                                   struct security_descriptor **ppdesc);
 667 NTSTATUS smb_vfs_call_get_nt_acl(struct vfs_handle_struct *handle,
 668                                  const char *name,
 669                                  uint32 security_info,
 670                                  struct security_descriptor **ppdesc);
 671 NTSTATUS smb_vfs_call_fset_nt_acl(struct vfs_handle_struct *handle,
 672                                   struct files_struct *fsp,
 673                                   uint32 security_info_sent,
 674                                   const struct security_descriptor *psd);
 675 int smb_vfs_call_chmod_acl(struct vfs_handle_struct *handle, const char *name,
 676                            mode_t mode);
 677 int smb_vfs_call_fchmod_acl(struct vfs_handle_struct *handle,
 678                             struct files_struct *fsp, mode_t mode);
 679 int smb_vfs_call_sys_acl_get_entry(struct vfs_handle_struct *handle,
 680                                    SMB_ACL_T theacl, int entry_id,
 681                                    SMB_ACL_ENTRY_T *entry_p);
 682 int smb_vfs_call_sys_acl_get_tag_type(struct vfs_handle_struct *handle,
 683                                       SMB_ACL_ENTRY_T entry_d,
 684                                       SMB_ACL_TAG_T *tag_type_p);
 685 int smb_vfs_call_sys_acl_get_permset(struct vfs_handle_struct *handle,
 686                                      SMB_ACL_ENTRY_T entry_d,
 687                                      SMB_ACL_PERMSET_T *permset_p);
 688 void * smb_vfs_call_sys_acl_get_qualifier(struct vfs_handle_struct *handle,
 689                                           SMB_ACL_ENTRY_T entry_d);
 690 SMB_ACL_T smb_vfs_call_sys_acl_get_file(struct vfs_handle_struct *handle,
 691                                         const char *path_p,
 692                                         SMB_ACL_TYPE_T type);
 693 SMB_ACL_T smb_vfs_call_sys_acl_get_fd(struct vfs_handle_struct *handle,
 694                                       struct files_struct *fsp);
 695 int smb_vfs_call_sys_acl_clear_perms(struct vfs_handle_struct *handle,
 696                                      SMB_ACL_PERMSET_T permset);
 697 int smb_vfs_call_sys_acl_add_perm(struct vfs_handle_struct *handle,
 698                                   SMB_ACL_PERMSET_T permset,
 699                                   SMB_ACL_PERM_T perm);
 700 char * smb_vfs_call_sys_acl_to_text(struct vfs_handle_struct *handle,
 701                                     SMB_ACL_T theacl, ssize_t *plen);
 702 SMB_ACL_T smb_vfs_call_sys_acl_init(struct vfs_handle_struct *handle,
 703                                     int count);
 704 int smb_vfs_call_sys_acl_create_entry(struct vfs_handle_struct *handle,
 705                                       SMB_ACL_T *pacl, SMB_ACL_ENTRY_T *pentry);
 706 int smb_vfs_call_sys_acl_set_tag_type(struct vfs_handle_struct *handle,
 707                                       SMB_ACL_ENTRY_T entry,
 708                                       SMB_ACL_TAG_T tagtype);
 709 int smb_vfs_call_sys_acl_set_qualifier(struct vfs_handle_struct *handle,
 710                                        SMB_ACL_ENTRY_T entry, void *qual);
 711 int smb_vfs_call_sys_acl_set_permset(struct vfs_handle_struct *handle,
 712                                      SMB_ACL_ENTRY_T entry,
 713                                      SMB_ACL_PERMSET_T permset);
 714 int smb_vfs_call_sys_acl_valid(struct vfs_handle_struct *handle,
 715                                SMB_ACL_T theacl);
 716 int smb_vfs_call_sys_acl_set_file(struct vfs_handle_struct *handle,
 717                                   const char *name, SMB_ACL_TYPE_T acltype,
 718                                   SMB_ACL_T theacl);
 719 int smb_vfs_call_sys_acl_set_fd(struct vfs_handle_struct *handle,
 720                                 struct files_struct *fsp, SMB_ACL_T theacl);
 721 int smb_vfs_call_sys_acl_delete_def_file(struct vfs_handle_struct *handle,
 722                                          const char *path);
 723 int smb_vfs_call_sys_acl_get_perm(struct vfs_handle_struct *handle,
 724                                   SMB_ACL_PERMSET_T permset,
 725                                   SMB_ACL_PERM_T perm);
 726 int smb_vfs_call_sys_acl_free_text(struct vfs_handle_struct *handle,
 727                                    char *text);
 728 int smb_vfs_call_sys_acl_free_acl(struct vfs_handle_struct *handle,
 729                                   SMB_ACL_T posix_acl);
 730 int smb_vfs_call_sys_acl_free_qualifier(struct vfs_handle_struct *handle,
 731                                         void *qualifier, SMB_ACL_TAG_T tagtype);
 732 ssize_t smb_vfs_call_getxattr(struct vfs_handle_struct *handle,
 733                               const char *path, const char *name, void *value,
 734                               size_t size);
 735 ssize_t smb_vfs_call_lgetxattr(struct vfs_handle_struct *handle,
 736                                const char *path, const char *name, void *value,
 737                                size_t size);
 738 ssize_t smb_vfs_call_fgetxattr(struct vfs_handle_struct *handle,
 739                                struct files_struct *fsp, const char *name,
 740                                void *value, size_t size);
 741 ssize_t smb_vfs_call_listxattr(struct vfs_handle_struct *handle,
 742                                const char *path, char *list, size_t size);
 743 ssize_t smb_vfs_call_llistxattr(struct vfs_handle_struct *handle,
 744                                 const char *path, char *list, size_t size);
 745 ssize_t smb_vfs_call_flistxattr(struct vfs_handle_struct *handle,
 746                                 struct files_struct *fsp, char *list,
 747                                 size_t size);
 748 int smb_vfs_call_removexattr(struct vfs_handle_struct *handle,
 749                              const char *path, const char *name);
 750 int smb_vfs_call_lremovexattr(struct vfs_handle_struct *handle,
 751                               const char *path, const char *name);
 752 int smb_vfs_call_fremovexattr(struct vfs_handle_struct *handle,
 753                               struct files_struct *fsp, const char *name);
 754 int smb_vfs_call_setxattr(struct vfs_handle_struct *handle, const char *path,
 755                           const char *name, const void *value, size_t size,
 756                           int flags);
 757 int smb_vfs_call_lsetxattr(struct vfs_handle_struct *handle, const char *path,
 758                            const char *name, const void *value, size_t size,
 759                            int flags);
 760 int smb_vfs_call_fsetxattr(struct vfs_handle_struct *handle,
 761                            struct files_struct *fsp, const char *name,
 762                            const void *value, size_t size, int flags);
 763 int smb_vfs_call_aio_read(struct vfs_handle_struct *handle,
 764                           struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb);
 765 int smb_vfs_call_aio_write(struct vfs_handle_struct *handle,
 766                            struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb);
 767 ssize_t smb_vfs_call_aio_return_fn(struct vfs_handle_struct *handle,
 768                                    struct files_struct *fsp,
 769                                    SMB_STRUCT_AIOCB *aiocb);
 770 int smb_vfs_call_aio_cancel(struct vfs_handle_struct *handle,
 771                             struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb);
 772 int smb_vfs_call_aio_error_fn(struct vfs_handle_struct *handle,
 773                               struct files_struct *fsp,
 774                               SMB_STRUCT_AIOCB *aiocb);
 775 int smb_vfs_call_aio_fsync(struct vfs_handle_struct *handle,
 776                            struct files_struct *fsp, int op,
 777                            SMB_STRUCT_AIOCB *aiocb);
 778 int smb_vfs_call_aio_suspend(struct vfs_handle_struct *handle,
 779                              struct files_struct *fsp,
 780                              const SMB_STRUCT_AIOCB * const aiocb[], int n,
 781                              const struct timespec *timeout);
 782 bool smb_vfs_call_aio_force(struct vfs_handle_struct *handle,
 783                             struct files_struct *fsp);
 784 bool smb_vfs_call_is_offline(struct vfs_handle_struct *handle,
 785                              const char *path, SMB_STRUCT_STAT *sbuf);
 786 int smb_vfs_call_set_offline(struct vfs_handle_struct *handle,
 787                              const char *path);
 788
 789 #endif /* _VFS_H */