Move posix_fallocate into the VFS where it belongs.
[samba.git] / source3 / modules / vfs_default.c
index d6a66b01de56361716d92934192883ef327e5971..63993fed3656509640981d78564fbdbf59cd83aa 100644 (file)
@@ -90,15 +90,69 @@ static int vfswrap_statvfs(struct vfs_handle_struct *handle,  const char *path,
        return sys_statvfs(path, statbuf);
 }
 
-static uint32_t vfswrap_fs_capabilities(struct vfs_handle_struct *handle)
+static uint32_t vfswrap_fs_capabilities(struct vfs_handle_struct *handle,
+               enum timestamp_set_resolution *p_ts_res)
 {
+       connection_struct *conn = handle->conn;
+       uint32_t caps = FILE_CASE_SENSITIVE_SEARCH | FILE_CASE_PRESERVED_NAMES;
+       struct smb_filename *smb_fname_cpath = NULL;
+       NTSTATUS status;
+       int ret = -1;
+
 #if defined(DARWINOS)
        struct vfs_statvfs_struct statbuf;
        ZERO_STRUCT(statbuf);
-       sys_statvfs(handle->conn->connectpath, &statbuf);
-       return statbuf.FsCapabilities;
+       sys_statvfs(conn->connectpath, &statbuf);
+       caps = statbuf.FsCapabilities;
 #endif
-       return FILE_CASE_SENSITIVE_SEARCH | FILE_CASE_PRESERVED_NAMES;
+
+       *p_ts_res = TIMESTAMP_SET_SECONDS;
+
+       /* Work out what timestamp resolution we can
+        * use when setting a timestamp. */
+
+       status = create_synthetic_smb_fname(talloc_tos(),
+                               conn->connectpath,
+                               NULL,
+                               NULL,
+                               &smb_fname_cpath);
+       if (!NT_STATUS_IS_OK(status)) {
+               return caps;
+       }
+
+       ret = SMB_VFS_STAT(conn, smb_fname_cpath);
+       if (ret == -1) {
+               TALLOC_FREE(smb_fname_cpath);
+               return caps;
+       }
+
+       if (smb_fname_cpath->st.st_ex_mtime.tv_nsec ||
+                       smb_fname_cpath->st.st_ex_atime.tv_nsec ||
+                       smb_fname_cpath->st.st_ex_ctime.tv_nsec) {
+               /* If any of the normal UNIX directory timestamps
+                * have a non-zero tv_nsec component assume
+                * we might be able to set sub-second timestamps.
+                * See what filetime set primitives we have.
+                */
+#if defined(HAVE_UTIMENSAT)
+               *p_ts_res = TIMESTAMP_SET_NT_OR_BETTER;
+#elif defined(HAVE_UTIMES)
+               /* utimes allows msec timestamps to be set. */
+               *p_ts_res = TIMESTAMP_SET_MSEC;
+#elif defined(HAVE_UTIME)
+               /* utime only allows sec timestamps to be set. */
+               *p_ts_res = TIMESTAMP_SET_SECONDS;
+#endif
+
+               DEBUG(10,("vfswrap_fs_capabilities: timestamp "
+                       "resolution of %s "
+                       "available on share %s, directory %s\n",
+                       *p_ts_res == TIMESTAMP_SET_MSEC ? "msec" : "sec",
+                       lp_servicename(conn->params->service),
+                       conn->connectpath ));
+       }
+       TALLOC_FREE(smb_fname_cpath);
+       return caps;
 }
 
 /* Directory operations */
@@ -163,7 +217,7 @@ static int vfswrap_mkdir(vfs_handle_struct *handle,  const char *path, mode_t mo
        if (lp_inherit_acls(SNUM(handle->conn))
            && parent_dirname(talloc_tos(), path, &parent, NULL)
            && (has_dacl = directory_has_default_acl(handle->conn, parent)))
-               mode = 0777;
+               mode = (0777 & lp_dir_mask(SNUM(handle->conn)));
 
        TALLOC_FREE(parent);
 
@@ -218,27 +272,17 @@ static int vfswrap_open(vfs_handle_struct *handle,
                        struct smb_filename *smb_fname,
                        files_struct *fsp, int flags, mode_t mode)
 {
-       int result;
-       NTSTATUS status;
-       char *fname = NULL;
+       int result = -1;
 
        START_PROFILE(syscall_open);
 
-       /*
-        * XXX: Should an error be returned if there is a stream rather than
-        * trying to open a filename with a ':'?
-        */
-       status = get_full_smb_filename(talloc_tos(), smb_fname,
-                                      &fname);
-       if (!NT_STATUS_IS_OK(status)) {
-               errno = map_errno_from_nt_status(status);
-               return -1;
+       if (smb_fname->stream_name) {
+               errno = ENOENT;
+               goto out;
        }
 
-       result = sys_open(fname, flags, mode);
-
-       TALLOC_FREE(fname);
-
+       result = sys_open(smb_fname->base_name, flags, mode);
+ out:
        END_PROFILE(syscall_open);
        return result;
 }
@@ -254,6 +298,7 @@ static NTSTATUS vfswrap_create_file(vfs_handle_struct *handle,
                                    uint32_t file_attributes,
                                    uint32_t oplock_request,
                                    uint64_t allocation_size,
+                                   uint32_t private_flags,
                                    struct security_descriptor *sd,
                                    struct ea_list *ea_list,
                                    files_struct **result,
@@ -263,7 +308,8 @@ static NTSTATUS vfswrap_create_file(vfs_handle_struct *handle,
                                   access_mask, share_access,
                                   create_disposition, create_options,
                                   file_attributes, oplock_request,
-                                  allocation_size, sd, ea_list, result,
+                                  allocation_size, private_flags,
+                                  sd, ea_list, result,
                                   pinfo);
 }
 
@@ -431,95 +477,6 @@ static ssize_t vfswrap_recvfile(vfs_handle_struct *handle,
        return result;
 }
 
-/*********************************************************
- For rename across filesystems Patch from Warren Birnbaum
- <warrenb@hpcvscdp.cv.hp.com>
-**********************************************************/
-
-static int copy_reg(const char *source, const char *dest)
-{
-       SMB_STRUCT_STAT source_stats;
-       int saved_errno;
-       int ifd = -1;
-       int ofd = -1;
-
-       if (sys_lstat (source, &source_stats) == -1)
-               return -1;
-
-       if (!S_ISREG (source_stats.st_ex_mode))
-               return -1;
-
-       if((ifd = sys_open (source, O_RDONLY, 0)) < 0)
-               return -1;
-
-       if (unlink (dest) && errno != ENOENT)
-               return -1;
-
-#ifdef O_NOFOLLOW
-       if((ofd = sys_open (dest, O_WRONLY | O_CREAT | O_TRUNC | O_NOFOLLOW, 0600)) < 0 )
-#else
-       if((ofd = sys_open (dest, O_WRONLY | O_CREAT | O_TRUNC , 0600)) < 0 )
-#endif
-               goto err;
-
-       if (transfer_file(ifd, ofd, (size_t)-1) == -1)
-               goto err;
-
-       /*
-        * Try to preserve ownership.  For non-root it might fail, but that's ok.
-        * But root probably wants to know, e.g. if NFS disallows it.
-        */
-
-#ifdef HAVE_FCHOWN
-       if ((fchown(ofd, source_stats.st_ex_uid, source_stats.st_ex_gid) == -1) && (errno != EPERM))
-#else
-       if ((chown(dest, source_stats.st_ex_uid, source_stats.st_ex_gid) == -1) && (errno != EPERM))
-#endif
-               goto err;
-
-       /*
-        * fchown turns off set[ug]id bits for non-root,
-        * so do the chmod last.
-        */
-
-#if defined(HAVE_FCHMOD)
-       if (fchmod (ofd, source_stats.st_ex_mode & 07777))
-#else
-       if (chmod (dest, source_stats.st_ex_mode & 07777))
-#endif
-               goto err;
-
-       if (close (ifd) == -1)
-               goto err;
-
-       if (close (ofd) == -1)
-               return -1;
-
-       /* Try to copy the old file's modtime and access time.  */
-       {
-               struct utimbuf tv;
-
-               tv.actime = convert_timespec_to_time_t(source_stats.st_ex_atime);
-               tv.modtime = convert_timespec_to_time_t(source_stats.st_ex_mtime);
-               utime(dest, &tv);
-       }
-
-       if (unlink (source) == -1)
-               return -1;
-
-       return 0;
-
-  err:
-
-       saved_errno = errno;
-       if (ifd != -1)
-               close(ifd);
-       if (ofd != -1)
-               close(ofd);
-       errno = saved_errno;
-       return -1;
-}
-
 static int vfswrap_rename(vfs_handle_struct *handle,
                          const struct smb_filename *smb_fname_src,
                          const struct smb_filename *smb_fname_dst)
@@ -534,11 +491,6 @@ static int vfswrap_rename(vfs_handle_struct *handle,
        }
 
        result = rename(smb_fname_src->base_name, smb_fname_dst->base_name);
-       if ((result == -1) && (errno == EXDEV)) {
-               /* Rename across filesystems needed. */
-               result = copy_reg(smb_fname_src->base_name,
-                                 smb_fname_dst->base_name);
-       }
 
  out:
        END_PROFILE(syscall_rename);
@@ -562,23 +514,18 @@ static int vfswrap_fsync(vfs_handle_struct *handle, files_struct *fsp)
 static int vfswrap_stat(vfs_handle_struct *handle,
                        struct smb_filename *smb_fname)
 {
-       int result;
-       NTSTATUS status;
-       char *fname = NULL;
+       int result = -1;
 
        START_PROFILE(syscall_stat);
 
-       status = get_full_smb_filename(talloc_tos(), smb_fname,
-                                      &fname);
-       if (!NT_STATUS_IS_OK(status)) {
-               errno = map_errno_from_nt_status(status);
-               return -1;
+       if (smb_fname->stream_name) {
+               errno = ENOENT;
+               goto out;
        }
 
-       result = sys_stat(fname, &smb_fname->st);
-
-       TALLOC_FREE(fname);
-
+       result = sys_stat(smb_fname->base_name, &smb_fname->st,
+                         lp_fake_dir_create_times(SNUM(handle->conn)));
+ out:
        END_PROFILE(syscall_stat);
        return result;
 }
@@ -588,7 +535,8 @@ static int vfswrap_fstat(vfs_handle_struct *handle, files_struct *fsp, SMB_STRUC
        int result;
 
        START_PROFILE(syscall_fstat);
-       result = sys_fstat(fsp->fh->fd, sbuf);
+       result = sys_fstat(fsp->fh->fd,
+                          sbuf, lp_fake_dir_create_times(SNUM(handle->conn)));
        END_PROFILE(syscall_fstat);
        return result;
 }
@@ -596,27 +544,31 @@ static int vfswrap_fstat(vfs_handle_struct *handle, files_struct *fsp, SMB_STRUC
 static int vfswrap_lstat(vfs_handle_struct *handle,
                         struct smb_filename *smb_fname)
 {
-       int result;
-       NTSTATUS status;
-       char *fname = NULL;
+       int result = -1;
 
        START_PROFILE(syscall_lstat);
 
-       status = get_full_smb_filename(talloc_tos(), smb_fname,
-                                      &fname);
-       if (!NT_STATUS_IS_OK(status)) {
-               errno = map_errno_from_nt_status(status);
-               return -1;
+       if (smb_fname->stream_name) {
+               errno = ENOENT;
+               goto out;
        }
 
-       result = sys_lstat(fname, &smb_fname->st);
-
-       TALLOC_FREE(fname);
-
+       result = sys_lstat(smb_fname->base_name, &smb_fname->st,
+                          lp_fake_dir_create_times(SNUM(handle->conn)));
+ out:
        END_PROFILE(syscall_lstat);
        return result;
 }
 
+static NTSTATUS vfswrap_translate_name(struct vfs_handle_struct *handle,
+                                      const char *name,
+                                      enum vfs_translate_direction direction,
+                                      TALLOC_CTX *mem_ctx,
+                                      char **mapped_name)
+{
+       return NT_STATUS_NONE_MAPPED;
+}
+
 /********************************************************************
  Given a stat buffer return the allocated size on disk, taking into
  account sparse files.
@@ -802,7 +754,39 @@ static int vfswrap_ntimes(vfs_handle_struct *handle,
                goto out;
        }
 
-#if defined(HAVE_UTIMES)
+       if (ft != NULL) {
+               if (null_timespec(ft->atime)) {
+                       ft->atime= smb_fname->st.st_ex_atime;
+               }
+
+               if (null_timespec(ft->mtime)) {
+                       ft->mtime = smb_fname->st.st_ex_mtime;
+               }
+
+               if (!null_timespec(ft->create_time)) {
+                       set_create_timespec_ea(handle->conn,
+                                              smb_fname,
+                                              ft->create_time);
+               }
+
+               if ((timespec_compare(&ft->atime,
+                                     &smb_fname->st.st_ex_atime) == 0) &&
+                   (timespec_compare(&ft->mtime,
+                                     &smb_fname->st.st_ex_mtime) == 0)) {
+                       return 0;
+               }
+       }
+
+#if defined(HAVE_UTIMENSAT)
+       if (ft != NULL) {
+               struct timespec ts[2];
+               ts[0] = ft->atime;
+               ts[1] = ft->mtime;
+               result = utimensat(AT_FDCWD, smb_fname->base_name, ts, 0);
+       } else {
+               result = utimensat(AT_FDCWD, smb_fname->base_name, NULL, 0);
+       }
+#elif defined(HAVE_UTIMES)
        if (ft != NULL) {
                struct timeval tv[2];
                tv[0] = convert_timespec_to_timeval(ft->atime);
@@ -824,6 +808,7 @@ static int vfswrap_ntimes(vfs_handle_struct *handle,
        errno = ENOSYS;
        result = -1;
 #endif
+
  out:
        END_PROFILE(syscall_ntimes);
        return result;
@@ -840,6 +825,9 @@ static int strict_allocate_ftruncate(vfs_handle_struct *handle, files_struct *fs
        SMB_OFF_T currpos = SMB_VFS_LSEEK(fsp, 0, SEEK_CUR);
        unsigned char zero_space[4096];
        SMB_OFF_T space_to_write;
+       uint64_t space_avail;
+       uint64_t bsize,dfree,dsize;
+       int ret;
 
        if (currpos == -1)
                return -1;
@@ -847,8 +835,6 @@ static int strict_allocate_ftruncate(vfs_handle_struct *handle, files_struct *fs
        if (SMB_VFS_FSTAT(fsp, &st) == -1)
                return -1;
 
-       space_to_write = len - st.st_ex_size;
-
 #ifdef S_ISFIFO
        if (S_ISFIFO(st.st_ex_mode))
                return 0;
@@ -861,28 +847,39 @@ static int strict_allocate_ftruncate(vfs_handle_struct *handle, files_struct *fs
        if (st.st_ex_size > len)
                return sys_ftruncate(fsp->fh->fd, len);
 
+       space_to_write = len - st.st_ex_size;
+
+       /* for allocation try posix_fallocate first. This can fail on some
+          platforms e.g. when the filesystem doesn't support it and no
+          emulation is being done by the libc (like on AIX with JFS1). In that
+          case we do our own emulation. posix_fallocate implementations can
+          return ENOTSUP or EINVAL in cases like that. */
+       ret = SMB_VFS_POSIX_FALLOCATE(fsp, st.st_ex_size, space_to_write);
+       if (ret == ENOSPC) {
+               errno = ENOSPC;
+               return -1;
+       }
+       if (ret == 0) {
+               return 0;
+       }
+       DEBUG(10,("strict_allocate_ftruncate: SMB_VFS_POSIX_FALLOCATE failed with "
+               "error %d. Falling back to slow manual allocation\n", ret));
+
        /* available disk space is enough or not? */
-       if (lp_strict_allocate(SNUM(fsp->conn))){
-               uint64_t space_avail;
-               uint64_t bsize,dfree,dsize;
-
-               space_avail = get_dfree_info(fsp->conn,
-                                            fsp->fsp_name->base_name, false,
-                                            &bsize, &dfree, &dsize);
-               /* space_avail is 1k blocks */
-               if (space_avail == (uint64_t)-1 ||
-                               ((uint64_t)space_to_write/1024 > space_avail) ) {
-                       errno = ENOSPC;
-                       return -1;
-               }
+       space_avail = get_dfree_info(fsp->conn,
+                                    fsp->fsp_name->base_name, false,
+                                    &bsize,&dfree,&dsize);
+       /* space_avail is 1k blocks */
+       if (space_avail == (uint64_t)-1 ||
+                       ((uint64_t)space_to_write/1024 > space_avail) ) {
+               errno = ENOSPC;
+               return -1;
        }
 
        /* Write out the real space on disk. */
        if (SMB_VFS_LSEEK(fsp, st.st_ex_size, SEEK_SET) != st.st_ex_size)
                return -1;
 
-       space_to_write = len - st.st_ex_size;
-
        memset(zero_space, '\0', sizeof(zero_space));
        while ( space_to_write > 0) {
                SMB_OFF_T retlen;
@@ -977,6 +974,19 @@ static int vfswrap_ftruncate(vfs_handle_struct *handle, files_struct *fsp, SMB_O
        return result;
 }
 
+static int vfswrap_posix_fallocate(vfs_handle_struct *handle,
+                       files_struct *fsp,
+                       SMB_OFF_T offset,
+                       SMB_OFF_T len)
+{
+       int result;
+
+       START_PROFILE(syscall_posix_fallocate);
+       result = sys_posix_fallocate(fsp->fh->fd, offset, len);
+       END_PROFILE(syscall_posix_fallocate);
+       return result;
+}
+
 static bool vfswrap_lock(vfs_handle_struct *handle, files_struct *fsp, int op, SMB_OFF_T offset, SMB_OFF_T count, int type)
 {
        bool result;
@@ -988,10 +998,10 @@ static bool vfswrap_lock(vfs_handle_struct *handle, files_struct *fsp, int op, S
 }
 
 static int vfswrap_kernel_flock(vfs_handle_struct *handle, files_struct *fsp,
-                               uint32 share_mode)
+                               uint32 share_mode, uint32 access_mask)
 {
        START_PROFILE(syscall_kernel_flock);
-       kernel_flock(fsp->fh->fd, share_mode);
+       kernel_flock(fsp->fh->fd, share_mode, access_mask);
        END_PROFILE(syscall_kernel_flock);
        return 0;
 }
@@ -1067,12 +1077,25 @@ static int vfswrap_mknod(vfs_handle_struct *handle,  const char *pathname, mode_
        return result;
 }
 
-static char *vfswrap_realpath(vfs_handle_struct *handle,  const char *path, char *resolved_path)
+static char *vfswrap_realpath(vfs_handle_struct *handle,  const char *path)
 {
        char *result;
 
        START_PROFILE(syscall_realpath);
-       result = realpath(path, resolved_path);
+#ifdef REALPATH_TAKES_NULL
+       result = realpath(path, NULL);
+#else
+       result = SMB_MALLOC_ARRAY(char, PATH_MAX+1);
+       if (result) {
+               char *resolved_path = realpath(path, result);
+               if (!resolved_path) {
+                       SAFE_FREE(result);
+               } else {
+                       /* SMB_ASSERT(result == resolved_path) ? */
+                       result = resolved_path;
+               }
+       }
+#endif
        END_PROFILE(syscall_realpath);
        return result;
 }
@@ -1154,17 +1177,17 @@ static NTSTATUS vfswrap_streaminfo(vfs_handle_struct *handle,
                ret = SMB_VFS_FSTAT(fsp, &sbuf);
        }
        else {
-               struct smb_filename *smb_fname = NULL;
-               NTSTATUS status;
+               struct smb_filename smb_fname;
+
+               ZERO_STRUCT(smb_fname);
+               smb_fname.base_name = discard_const_p(char, fname);
 
-               status = create_synthetic_smb_fname(talloc_tos(), fname, NULL,
-                                                   NULL, &smb_fname);
-               if (!NT_STATUS_IS_OK(status)) {
-                       return status;
+               if (lp_posix_pathnames()) {
+                       ret = SMB_VFS_LSTAT(handle->conn, &smb_fname);
+               } else {
+                       ret = SMB_VFS_STAT(handle->conn, &smb_fname);
                }
-               ret = SMB_VFS_STAT(handle->conn, smb_fname);
-               sbuf = smb_fname->st;
-               TALLOC_FREE(smb_fname);
+               sbuf = smb_fname.st;
        }
 
        if (ret == -1) {
@@ -1274,7 +1297,8 @@ static void vfswrap_strict_unlock(struct vfs_handle_struct *handle,
 
 static NTSTATUS vfswrap_fget_nt_acl(vfs_handle_struct *handle,
                                    files_struct *fsp,
-                                   uint32 security_info, SEC_DESC **ppdesc)
+                                   uint32 security_info,
+                                   struct security_descriptor **ppdesc)
 {
        NTSTATUS result;
 
@@ -1286,7 +1310,8 @@ static NTSTATUS vfswrap_fget_nt_acl(vfs_handle_struct *handle,
 
 static NTSTATUS vfswrap_get_nt_acl(vfs_handle_struct *handle,
                                   const char *name,
-                                  uint32 security_info, SEC_DESC **ppdesc)
+                                  uint32 security_info,
+                                  struct security_descriptor **ppdesc)
 {
        NTSTATUS result;
 
@@ -1296,7 +1321,7 @@ static NTSTATUS vfswrap_get_nt_acl(vfs_handle_struct *handle,
        return result;
 }
 
-static NTSTATUS vfswrap_fset_nt_acl(vfs_handle_struct *handle, files_struct *fsp, uint32 security_info_sent, const SEC_DESC *psd)
+static NTSTATUS vfswrap_fset_nt_acl(vfs_handle_struct *handle, files_struct *fsp, uint32 security_info_sent, const struct security_descriptor *psd)
 {
        NTSTATUS result;
 
@@ -1595,270 +1620,148 @@ static int vfswrap_set_offline(struct vfs_handle_struct *handle, const char *pat
        return -1;
 }
 
-static vfs_op_tuple vfs_default_ops[] = {
-
+static struct vfs_fn_pointers vfs_default_fns = {
        /* Disk operations */
 
-       {SMB_VFS_OP(vfswrap_connect),   SMB_VFS_OP_CONNECT,
-        SMB_VFS_LAYER_OPAQUE},
-       {SMB_VFS_OP(vfswrap_disconnect),        SMB_VFS_OP_DISCONNECT,
-        SMB_VFS_LAYER_OPAQUE},
-       {SMB_VFS_OP(vfswrap_disk_free), SMB_VFS_OP_DISK_FREE,
-        SMB_VFS_LAYER_OPAQUE},
-       {SMB_VFS_OP(vfswrap_get_quota), SMB_VFS_OP_GET_QUOTA,
-        SMB_VFS_LAYER_OPAQUE},
-       {SMB_VFS_OP(vfswrap_set_quota), SMB_VFS_OP_SET_QUOTA,
-        SMB_VFS_LAYER_OPAQUE},
-       {SMB_VFS_OP(vfswrap_get_shadow_copy_data), SMB_VFS_OP_GET_SHADOW_COPY_DATA,
-        SMB_VFS_LAYER_OPAQUE},
-       {SMB_VFS_OP(vfswrap_statvfs),   SMB_VFS_OP_STATVFS,
-        SMB_VFS_LAYER_OPAQUE},
-       {SMB_VFS_OP(vfswrap_fs_capabilities), SMB_VFS_OP_FS_CAPABILITIES,
-        SMB_VFS_LAYER_OPAQUE},
+       .connect_fn = vfswrap_connect,
+       .disconnect = vfswrap_disconnect,
+       .disk_free = vfswrap_disk_free,
+       .get_quota = vfswrap_get_quota,
+       .set_quota = vfswrap_set_quota,
+       .get_shadow_copy_data = vfswrap_get_shadow_copy_data,
+       .statvfs = vfswrap_statvfs,
+       .fs_capabilities = vfswrap_fs_capabilities,
 
        /* Directory operations */
 
-       {SMB_VFS_OP(vfswrap_opendir),   SMB_VFS_OP_OPENDIR,
-        SMB_VFS_LAYER_OPAQUE},
-       {SMB_VFS_OP(vfswrap_readdir),   SMB_VFS_OP_READDIR,
-        SMB_VFS_LAYER_OPAQUE},
-       {SMB_VFS_OP(vfswrap_seekdir),   SMB_VFS_OP_SEEKDIR,
-        SMB_VFS_LAYER_OPAQUE},
-       {SMB_VFS_OP(vfswrap_telldir),   SMB_VFS_OP_TELLDIR,
-        SMB_VFS_LAYER_OPAQUE},
-       {SMB_VFS_OP(vfswrap_rewinddir), SMB_VFS_OP_REWINDDIR,
-        SMB_VFS_LAYER_OPAQUE},
-       {SMB_VFS_OP(vfswrap_mkdir),     SMB_VFS_OP_MKDIR,
-        SMB_VFS_LAYER_OPAQUE},
-       {SMB_VFS_OP(vfswrap_rmdir),     SMB_VFS_OP_RMDIR,
-        SMB_VFS_LAYER_OPAQUE},
-       {SMB_VFS_OP(vfswrap_closedir),  SMB_VFS_OP_CLOSEDIR,
-        SMB_VFS_LAYER_OPAQUE},
-       {SMB_VFS_OP(vfswrap_init_search_op), SMB_VFS_OP_INIT_SEARCH_OP,
-        SMB_VFS_LAYER_OPAQUE},
+       .opendir = vfswrap_opendir,
+       .readdir = vfswrap_readdir,
+       .seekdir = vfswrap_seekdir,
+       .telldir = vfswrap_telldir,
+       .rewind_dir = vfswrap_rewinddir,
+       .mkdir = vfswrap_mkdir,
+       .rmdir = vfswrap_rmdir,
+       .closedir = vfswrap_closedir,
+       .init_search_op = vfswrap_init_search_op,
 
        /* File operations */
 
-       {SMB_VFS_OP(vfswrap_open),      SMB_VFS_OP_OPEN,
-        SMB_VFS_LAYER_OPAQUE},
-       {SMB_VFS_OP(vfswrap_create_file),       SMB_VFS_OP_CREATE_FILE,
-        SMB_VFS_LAYER_OPAQUE},
-       {SMB_VFS_OP(vfswrap_close),     SMB_VFS_OP_CLOSE,
-        SMB_VFS_LAYER_OPAQUE},
-       {SMB_VFS_OP(vfswrap_read),      SMB_VFS_OP_READ,
-        SMB_VFS_LAYER_OPAQUE},
-       {SMB_VFS_OP(vfswrap_pread),     SMB_VFS_OP_PREAD,
-        SMB_VFS_LAYER_OPAQUE},
-       {SMB_VFS_OP(vfswrap_write),     SMB_VFS_OP_WRITE,
-        SMB_VFS_LAYER_OPAQUE},
-       {SMB_VFS_OP(vfswrap_pwrite),    SMB_VFS_OP_PWRITE,
-        SMB_VFS_LAYER_OPAQUE},
-       {SMB_VFS_OP(vfswrap_lseek),     SMB_VFS_OP_LSEEK,
-        SMB_VFS_LAYER_OPAQUE},
-       {SMB_VFS_OP(vfswrap_sendfile),  SMB_VFS_OP_SENDFILE,
-        SMB_VFS_LAYER_OPAQUE},
-       {SMB_VFS_OP(vfswrap_recvfile),  SMB_VFS_OP_RECVFILE,
-        SMB_VFS_LAYER_OPAQUE},
-       {SMB_VFS_OP(vfswrap_rename),    SMB_VFS_OP_RENAME,
-        SMB_VFS_LAYER_OPAQUE},
-       {SMB_VFS_OP(vfswrap_fsync),     SMB_VFS_OP_FSYNC,
-        SMB_VFS_LAYER_OPAQUE},
-       {SMB_VFS_OP(vfswrap_stat),      SMB_VFS_OP_STAT,
-        SMB_VFS_LAYER_OPAQUE},
-       {SMB_VFS_OP(vfswrap_fstat),     SMB_VFS_OP_FSTAT,
-        SMB_VFS_LAYER_OPAQUE},
-       {SMB_VFS_OP(vfswrap_lstat),     SMB_VFS_OP_LSTAT,
-        SMB_VFS_LAYER_OPAQUE},
-       {SMB_VFS_OP(vfswrap_get_alloc_size),    SMB_VFS_OP_GET_ALLOC_SIZE,
-        SMB_VFS_LAYER_OPAQUE},
-       {SMB_VFS_OP(vfswrap_unlink),    SMB_VFS_OP_UNLINK,
-        SMB_VFS_LAYER_OPAQUE},
-       {SMB_VFS_OP(vfswrap_chmod),     SMB_VFS_OP_CHMOD,
-        SMB_VFS_LAYER_OPAQUE},
-       {SMB_VFS_OP(vfswrap_fchmod),    SMB_VFS_OP_FCHMOD,
-        SMB_VFS_LAYER_OPAQUE},
-       {SMB_VFS_OP(vfswrap_chown),     SMB_VFS_OP_CHOWN,
-        SMB_VFS_LAYER_OPAQUE},
-       {SMB_VFS_OP(vfswrap_fchown),    SMB_VFS_OP_FCHOWN,
-        SMB_VFS_LAYER_OPAQUE},
-       {SMB_VFS_OP(vfswrap_lchown),    SMB_VFS_OP_LCHOWN,
-        SMB_VFS_LAYER_OPAQUE},
-       {SMB_VFS_OP(vfswrap_chdir),     SMB_VFS_OP_CHDIR,
-        SMB_VFS_LAYER_OPAQUE},
-       {SMB_VFS_OP(vfswrap_getwd),     SMB_VFS_OP_GETWD,
-        SMB_VFS_LAYER_OPAQUE},
-       {SMB_VFS_OP(vfswrap_ntimes),    SMB_VFS_OP_NTIMES,
-        SMB_VFS_LAYER_OPAQUE},
-       {SMB_VFS_OP(vfswrap_ftruncate), SMB_VFS_OP_FTRUNCATE,
-        SMB_VFS_LAYER_OPAQUE},
-       {SMB_VFS_OP(vfswrap_lock),      SMB_VFS_OP_LOCK,
-        SMB_VFS_LAYER_OPAQUE},
-       {SMB_VFS_OP(vfswrap_kernel_flock),      SMB_VFS_OP_KERNEL_FLOCK,
-        SMB_VFS_LAYER_OPAQUE},
-       {SMB_VFS_OP(vfswrap_linux_setlease),    SMB_VFS_OP_LINUX_SETLEASE,
-        SMB_VFS_LAYER_OPAQUE},
-       {SMB_VFS_OP(vfswrap_getlock),   SMB_VFS_OP_GETLOCK,
-        SMB_VFS_LAYER_OPAQUE},
-       {SMB_VFS_OP(vfswrap_symlink),   SMB_VFS_OP_SYMLINK,
-        SMB_VFS_LAYER_OPAQUE},
-       {SMB_VFS_OP(vfswrap_readlink),  SMB_VFS_OP_READLINK,
-        SMB_VFS_LAYER_OPAQUE},
-       {SMB_VFS_OP(vfswrap_link),      SMB_VFS_OP_LINK,
-        SMB_VFS_LAYER_OPAQUE},
-       {SMB_VFS_OP(vfswrap_mknod),     SMB_VFS_OP_MKNOD,
-        SMB_VFS_LAYER_OPAQUE},
-       {SMB_VFS_OP(vfswrap_realpath),  SMB_VFS_OP_REALPATH,
-        SMB_VFS_LAYER_OPAQUE},
-       {SMB_VFS_OP(vfswrap_notify_watch),      SMB_VFS_OP_NOTIFY_WATCH,
-        SMB_VFS_LAYER_OPAQUE},
-       {SMB_VFS_OP(vfswrap_chflags),   SMB_VFS_OP_CHFLAGS,
-        SMB_VFS_LAYER_OPAQUE},
-       {SMB_VFS_OP(vfswrap_file_id_create),    SMB_VFS_OP_FILE_ID_CREATE,
-        SMB_VFS_LAYER_OPAQUE},
-       {SMB_VFS_OP(vfswrap_streaminfo),        SMB_VFS_OP_STREAMINFO,
-        SMB_VFS_LAYER_OPAQUE},
-       {SMB_VFS_OP(vfswrap_get_real_filename), SMB_VFS_OP_GET_REAL_FILENAME,
-        SMB_VFS_LAYER_OPAQUE},
-       {SMB_VFS_OP(vfswrap_connectpath),       SMB_VFS_OP_CONNECTPATH,
-        SMB_VFS_LAYER_OPAQUE},
-       {SMB_VFS_OP(vfswrap_brl_lock_windows),  SMB_VFS_OP_BRL_LOCK_WINDOWS,
-        SMB_VFS_LAYER_OPAQUE},
-       {SMB_VFS_OP(vfswrap_brl_unlock_windows),SMB_VFS_OP_BRL_UNLOCK_WINDOWS,
-        SMB_VFS_LAYER_OPAQUE},
-       {SMB_VFS_OP(vfswrap_brl_cancel_windows),SMB_VFS_OP_BRL_CANCEL_WINDOWS,
-        SMB_VFS_LAYER_OPAQUE},
-       {SMB_VFS_OP(vfswrap_strict_lock),       SMB_VFS_OP_STRICT_LOCK,
-        SMB_VFS_LAYER_OPAQUE},
-       {SMB_VFS_OP(vfswrap_strict_unlock),     SMB_VFS_OP_STRICT_UNLOCK,
-        SMB_VFS_LAYER_OPAQUE},
+       .open = vfswrap_open,
+       .create_file = vfswrap_create_file,
+       .close_fn = vfswrap_close,
+       .vfs_read = vfswrap_read,
+       .pread = vfswrap_pread,
+       .write = vfswrap_write,
+       .pwrite = vfswrap_pwrite,
+       .lseek = vfswrap_lseek,
+       .sendfile = vfswrap_sendfile,
+       .recvfile = vfswrap_recvfile,
+       .rename = vfswrap_rename,
+       .fsync = vfswrap_fsync,
+       .stat = vfswrap_stat,
+       .fstat = vfswrap_fstat,
+       .lstat = vfswrap_lstat,
+       .get_alloc_size = vfswrap_get_alloc_size,
+       .unlink = vfswrap_unlink,
+       .chmod = vfswrap_chmod,
+       .fchmod = vfswrap_fchmod,
+       .chown = vfswrap_chown,
+       .fchown = vfswrap_fchown,
+       .lchown = vfswrap_lchown,
+       .chdir = vfswrap_chdir,
+       .getwd = vfswrap_getwd,
+       .ntimes = vfswrap_ntimes,
+       .ftruncate = vfswrap_ftruncate,
+       .lock = vfswrap_lock,
+       .kernel_flock = vfswrap_kernel_flock,
+       .linux_setlease = vfswrap_linux_setlease,
+       .getlock = vfswrap_getlock,
+       .symlink = vfswrap_symlink,
+       .vfs_readlink = vfswrap_readlink,
+       .link = vfswrap_link,
+       .mknod = vfswrap_mknod,
+       .realpath = vfswrap_realpath,
+       .notify_watch = vfswrap_notify_watch,
+       .chflags = vfswrap_chflags,
+       .file_id_create = vfswrap_file_id_create,
+       .streaminfo = vfswrap_streaminfo,
+       .get_real_filename = vfswrap_get_real_filename,
+       .connectpath = vfswrap_connectpath,
+       .brl_lock_windows = vfswrap_brl_lock_windows,
+       .brl_unlock_windows = vfswrap_brl_unlock_windows,
+       .brl_cancel_windows = vfswrap_brl_cancel_windows,
+       .strict_lock = vfswrap_strict_lock,
+       .strict_unlock = vfswrap_strict_unlock,
+       .translate_name = vfswrap_translate_name,
 
        /* NT ACL operations. */
 
-       {SMB_VFS_OP(vfswrap_fget_nt_acl),       SMB_VFS_OP_FGET_NT_ACL,
-        SMB_VFS_LAYER_OPAQUE},
-       {SMB_VFS_OP(vfswrap_get_nt_acl),        SMB_VFS_OP_GET_NT_ACL,
-        SMB_VFS_LAYER_OPAQUE},
-       {SMB_VFS_OP(vfswrap_fset_nt_acl),       SMB_VFS_OP_FSET_NT_ACL,
-        SMB_VFS_LAYER_OPAQUE},
+       .fget_nt_acl = vfswrap_fget_nt_acl,
+       .get_nt_acl = vfswrap_get_nt_acl,
+       .fset_nt_acl = vfswrap_fset_nt_acl,
 
        /* POSIX ACL operations. */
 
-       {SMB_VFS_OP(vfswrap_chmod_acl), SMB_VFS_OP_CHMOD_ACL,
-        SMB_VFS_LAYER_OPAQUE},
-       {SMB_VFS_OP(vfswrap_fchmod_acl),        SMB_VFS_OP_FCHMOD_ACL,
-        SMB_VFS_LAYER_OPAQUE},
-       {SMB_VFS_OP(vfswrap_sys_acl_get_entry), SMB_VFS_OP_SYS_ACL_GET_ENTRY,
-        SMB_VFS_LAYER_OPAQUE},
-       {SMB_VFS_OP(vfswrap_sys_acl_get_tag_type),      SMB_VFS_OP_SYS_ACL_GET_TAG_TYPE,
-        SMB_VFS_LAYER_OPAQUE},
-       {SMB_VFS_OP(vfswrap_sys_acl_get_permset),       SMB_VFS_OP_SYS_ACL_GET_PERMSET,
-        SMB_VFS_LAYER_OPAQUE},
-       {SMB_VFS_OP(vfswrap_sys_acl_get_qualifier),     SMB_VFS_OP_SYS_ACL_GET_QUALIFIER,
-        SMB_VFS_LAYER_OPAQUE},
-       {SMB_VFS_OP(vfswrap_sys_acl_get_file),  SMB_VFS_OP_SYS_ACL_GET_FILE,
-        SMB_VFS_LAYER_OPAQUE},
-       {SMB_VFS_OP(vfswrap_sys_acl_get_fd),    SMB_VFS_OP_SYS_ACL_GET_FD,
-        SMB_VFS_LAYER_OPAQUE},
-       {SMB_VFS_OP(vfswrap_sys_acl_clear_perms),       SMB_VFS_OP_SYS_ACL_CLEAR_PERMS,
-        SMB_VFS_LAYER_OPAQUE},
-       {SMB_VFS_OP(vfswrap_sys_acl_add_perm),  SMB_VFS_OP_SYS_ACL_ADD_PERM,
-        SMB_VFS_LAYER_OPAQUE},
-       {SMB_VFS_OP(vfswrap_sys_acl_to_text),   SMB_VFS_OP_SYS_ACL_TO_TEXT,
-        SMB_VFS_LAYER_OPAQUE},
-       {SMB_VFS_OP(vfswrap_sys_acl_init),      SMB_VFS_OP_SYS_ACL_INIT,
-        SMB_VFS_LAYER_OPAQUE},
-       {SMB_VFS_OP(vfswrap_sys_acl_create_entry),      SMB_VFS_OP_SYS_ACL_CREATE_ENTRY,
-        SMB_VFS_LAYER_OPAQUE},
-       {SMB_VFS_OP(vfswrap_sys_acl_set_tag_type),      SMB_VFS_OP_SYS_ACL_SET_TAG_TYPE,
-        SMB_VFS_LAYER_OPAQUE},
-       {SMB_VFS_OP(vfswrap_sys_acl_set_qualifier),     SMB_VFS_OP_SYS_ACL_SET_QUALIFIER,
-        SMB_VFS_LAYER_OPAQUE},
-       {SMB_VFS_OP(vfswrap_sys_acl_set_permset),       SMB_VFS_OP_SYS_ACL_SET_PERMSET,
-        SMB_VFS_LAYER_OPAQUE},
-       {SMB_VFS_OP(vfswrap_sys_acl_valid),     SMB_VFS_OP_SYS_ACL_VALID,
-        SMB_VFS_LAYER_OPAQUE},
-       {SMB_VFS_OP(vfswrap_sys_acl_set_file),  SMB_VFS_OP_SYS_ACL_SET_FILE,
-        SMB_VFS_LAYER_OPAQUE},
-       {SMB_VFS_OP(vfswrap_sys_acl_set_fd),    SMB_VFS_OP_SYS_ACL_SET_FD,
-        SMB_VFS_LAYER_OPAQUE},
-       {SMB_VFS_OP(vfswrap_sys_acl_delete_def_file),   SMB_VFS_OP_SYS_ACL_DELETE_DEF_FILE,
-        SMB_VFS_LAYER_OPAQUE},
-       {SMB_VFS_OP(vfswrap_sys_acl_get_perm),  SMB_VFS_OP_SYS_ACL_GET_PERM,
-        SMB_VFS_LAYER_OPAQUE},
-       {SMB_VFS_OP(vfswrap_sys_acl_free_text), SMB_VFS_OP_SYS_ACL_FREE_TEXT,
-        SMB_VFS_LAYER_OPAQUE},
-       {SMB_VFS_OP(vfswrap_sys_acl_free_acl),  SMB_VFS_OP_SYS_ACL_FREE_ACL,
-        SMB_VFS_LAYER_OPAQUE},
-       {SMB_VFS_OP(vfswrap_sys_acl_free_qualifier),    SMB_VFS_OP_SYS_ACL_FREE_QUALIFIER,
-        SMB_VFS_LAYER_OPAQUE},
+       .chmod_acl = vfswrap_chmod_acl,
+       .fchmod_acl = vfswrap_fchmod_acl,
+
+       .sys_acl_get_entry = vfswrap_sys_acl_get_entry,
+       .sys_acl_get_tag_type = vfswrap_sys_acl_get_tag_type,
+       .sys_acl_get_permset = vfswrap_sys_acl_get_permset,
+       .sys_acl_get_qualifier = vfswrap_sys_acl_get_qualifier,
+       .sys_acl_get_file = vfswrap_sys_acl_get_file,
+       .sys_acl_get_fd = vfswrap_sys_acl_get_fd,
+       .sys_acl_clear_perms = vfswrap_sys_acl_clear_perms,
+       .sys_acl_add_perm = vfswrap_sys_acl_add_perm,
+       .sys_acl_to_text = vfswrap_sys_acl_to_text,
+       .sys_acl_init = vfswrap_sys_acl_init,
+       .sys_acl_create_entry = vfswrap_sys_acl_create_entry,
+       .sys_acl_set_tag_type = vfswrap_sys_acl_set_tag_type,
+       .sys_acl_set_qualifier = vfswrap_sys_acl_set_qualifier,
+       .sys_acl_set_permset = vfswrap_sys_acl_set_permset,
+       .sys_acl_valid = vfswrap_sys_acl_valid,
+       .sys_acl_set_file = vfswrap_sys_acl_set_file,
+       .sys_acl_set_fd = vfswrap_sys_acl_set_fd,
+       .sys_acl_delete_def_file = vfswrap_sys_acl_delete_def_file,
+       .sys_acl_get_perm = vfswrap_sys_acl_get_perm,
+       .sys_acl_free_text = vfswrap_sys_acl_free_text,
+       .sys_acl_free_acl = vfswrap_sys_acl_free_acl,
+       .sys_acl_free_qualifier = vfswrap_sys_acl_free_qualifier,
 
        /* EA operations. */
-
-       {SMB_VFS_OP(vfswrap_getxattr),  SMB_VFS_OP_GETXATTR,
-        SMB_VFS_LAYER_OPAQUE},
-       {SMB_VFS_OP(vfswrap_lgetxattr), SMB_VFS_OP_LGETXATTR,
-        SMB_VFS_LAYER_OPAQUE},
-       {SMB_VFS_OP(vfswrap_fgetxattr), SMB_VFS_OP_FGETXATTR,
-        SMB_VFS_LAYER_OPAQUE},
-       {SMB_VFS_OP(vfswrap_listxattr), SMB_VFS_OP_LISTXATTR,
-        SMB_VFS_LAYER_OPAQUE},
-       {SMB_VFS_OP(vfswrap_llistxattr),        SMB_VFS_OP_LLISTXATTR,
-        SMB_VFS_LAYER_OPAQUE},
-       {SMB_VFS_OP(vfswrap_flistxattr),        SMB_VFS_OP_FLISTXATTR,
-        SMB_VFS_LAYER_OPAQUE},
-       {SMB_VFS_OP(vfswrap_removexattr),       SMB_VFS_OP_REMOVEXATTR,
-        SMB_VFS_LAYER_OPAQUE},
-       {SMB_VFS_OP(vfswrap_lremovexattr),      SMB_VFS_OP_LREMOVEXATTR,
-        SMB_VFS_LAYER_OPAQUE},
-       {SMB_VFS_OP(vfswrap_fremovexattr),      SMB_VFS_OP_FREMOVEXATTR,
-        SMB_VFS_LAYER_OPAQUE},
-       {SMB_VFS_OP(vfswrap_setxattr),  SMB_VFS_OP_SETXATTR,
-        SMB_VFS_LAYER_OPAQUE},
-       {SMB_VFS_OP(vfswrap_lsetxattr), SMB_VFS_OP_LSETXATTR,
-        SMB_VFS_LAYER_OPAQUE},
-       {SMB_VFS_OP(vfswrap_fsetxattr), SMB_VFS_OP_FSETXATTR,
-        SMB_VFS_LAYER_OPAQUE},
-
-       {SMB_VFS_OP(vfswrap_aio_read),  SMB_VFS_OP_AIO_READ,
-        SMB_VFS_LAYER_OPAQUE},
-       {SMB_VFS_OP(vfswrap_aio_write), SMB_VFS_OP_AIO_WRITE,
-        SMB_VFS_LAYER_OPAQUE},
-       {SMB_VFS_OP(vfswrap_aio_return),        SMB_VFS_OP_AIO_RETURN,
-        SMB_VFS_LAYER_OPAQUE},
-       {SMB_VFS_OP(vfswrap_aio_cancel), SMB_VFS_OP_AIO_CANCEL,
-        SMB_VFS_LAYER_OPAQUE},
-       {SMB_VFS_OP(vfswrap_aio_error), SMB_VFS_OP_AIO_ERROR,
-        SMB_VFS_LAYER_OPAQUE},
-       {SMB_VFS_OP(vfswrap_aio_fsync), SMB_VFS_OP_AIO_FSYNC,
-        SMB_VFS_LAYER_OPAQUE},
-       {SMB_VFS_OP(vfswrap_aio_suspend),SMB_VFS_OP_AIO_SUSPEND,
-        SMB_VFS_LAYER_OPAQUE},
-
-       {SMB_VFS_OP(vfswrap_aio_force), SMB_VFS_OP_AIO_FORCE,
-        SMB_VFS_LAYER_OPAQUE},
-
-       {SMB_VFS_OP(vfswrap_is_offline),SMB_VFS_OP_IS_OFFLINE,
-        SMB_VFS_LAYER_OPAQUE},
-       {SMB_VFS_OP(vfswrap_set_offline),SMB_VFS_OP_SET_OFFLINE,
-        SMB_VFS_LAYER_OPAQUE},
-
-       /* Finish VFS operations definition */
-
-       {SMB_VFS_OP(NULL),              SMB_VFS_OP_NOOP,
-        SMB_VFS_LAYER_NOOP}
+       .getxattr = vfswrap_getxattr,
+       .lgetxattr = vfswrap_lgetxattr,
+       .fgetxattr = vfswrap_fgetxattr,
+       .listxattr = vfswrap_listxattr,
+       .llistxattr = vfswrap_llistxattr,
+       .flistxattr = vfswrap_flistxattr,
+       .removexattr = vfswrap_removexattr,
+       .lremovexattr = vfswrap_lremovexattr,
+       .fremovexattr = vfswrap_fremovexattr,
+       .setxattr = vfswrap_setxattr,
+       .lsetxattr = vfswrap_lsetxattr,
+       .fsetxattr = vfswrap_fsetxattr,
+
+       /* aio operations */
+       .aio_read = vfswrap_aio_read,
+       .aio_write = vfswrap_aio_write,
+       .aio_return_fn = vfswrap_aio_return,
+       .aio_cancel = vfswrap_aio_cancel,
+       .aio_error_fn = vfswrap_aio_error,
+       .aio_fsync = vfswrap_aio_fsync,
+       .aio_suspend = vfswrap_aio_suspend,
+       .aio_force = vfswrap_aio_force,
+
+       /* offline operations */
+       .is_offline = vfswrap_is_offline,
+       .set_offline = vfswrap_set_offline
 };
 
 NTSTATUS vfs_default_init(void);
 NTSTATUS vfs_default_init(void)
 {
-       unsigned int needed = SMB_VFS_OP_LAST + 1; /* convert from index to count */
-
-       if (ARRAY_SIZE(vfs_default_ops) != needed) {
-               DEBUG(0, ("%s: %u ops registered, but %u ops are required\n",
-                       DEFAULT_VFS_MODULE_NAME, (unsigned int)ARRAY_SIZE(vfs_default_ops), needed));
-               smb_panic("operation(s) missing from default VFS module");
-       }
-
        return smb_register_vfs(SMB_VFS_INTERFACE_VERSION,
-                               DEFAULT_VFS_MODULE_NAME, vfs_default_ops);
+                               DEFAULT_VFS_MODULE_NAME, &vfs_default_fns);
 }
+
+