source3/modules/vfs_onefs.c

   1 /*
   2  * Unix SMB/CIFS implementation.
   3  * Support for OneFS
   4  *
   5  * Copyright (C) Tim Prouty, 2008
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; either version 3 of the License, or
  10  * (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * along with this program; if not, see <http://www.gnu.org/licenses/>.
  19  */
  20
  21 #include "includes.h"
  22 #include "onefs.h"
  23
  24 #undef DBGC_CLASS
  25 #define DBGC_CLASS DBGC_VFS
  26
  27 static int onefs_mkdir(vfs_handle_struct *handle, const char *path,
  28                        mode_t mode)
  29 {
  30         /* SMB_VFS_MKDIR should never be called in vfs_onefs */
  31         SMB_ASSERT(false);
  32         return SMB_VFS_NEXT_MKDIR(handle, path, mode);
  33 }
  34
  35 static int onefs_open(vfs_handle_struct *handle, const char *fname,
  36                       files_struct *fsp, int flags, mode_t mode)
  37 {
  38         /* SMB_VFS_OPEN should never be called in vfs_onefs */
  39         SMB_ASSERT(false);
  40         return SMB_VFS_NEXT_OPEN(handle, fname, fsp, flags, mode);
  41 }
  42
  43 static int onefs_statvfs(vfs_handle_struct *handle, const char *path,
  44                          vfs_statvfs_struct *statbuf)
  45 {
  46         struct statvfs statvfs_buf;
  47         int result;
  48
  49         DEBUG(5, ("Calling SMB_STAT_VFS \n"));
  50         result = statvfs(path, &statvfs_buf);
  51         ZERO_STRUCTP(statbuf);
  52
  53         if (!result) {
  54                 statbuf->OptimalTransferSize = statvfs_buf.f_iosize;
  55                 statbuf->BlockSize = statvfs_buf.f_bsize;
  56                 statbuf->TotalBlocks = statvfs_buf.f_blocks;
  57                 statbuf->BlocksAvail = statvfs_buf.f_bfree;
  58                 statbuf->UserBlocksAvail = statvfs_buf.f_bavail;
  59                 statbuf->TotalFileNodes = statvfs_buf.f_files;
  60                 statbuf->FreeFileNodes = statvfs_buf.f_ffree;
  61                 statbuf->FsIdentifier =
  62                     (((uint64_t)statvfs_buf.f_fsid.val[0]<<32) &
  63                         0xffffffff00000000LL) |
  64                     (uint64_t)statvfs_buf.f_fsid.val[1];
  65         }
  66         return result;
  67 }
  68
  69 static int onefs_ntimes(vfs_handle_struct *handle, const char *fname,
  70                         struct smb_file_time *ft)
  71 {
  72         int flags = 0;
  73         struct timespec times[3];
  74
  75         if (!null_timespec(ft->atime)) {
  76                 flags |= VT_ATIME;
  77                 times[0] = ft->atime;
  78                 DEBUG(6,("**** onefs_ntimes: actime: %s.%d\n",
  79                         time_to_asc(convert_timespec_to_time_t(ft->atime)),
  80                         ft->atime.tv_nsec));
  81         }
  82
  83         if (!null_timespec(ft->mtime)) {
  84                 flags |= VT_MTIME;
  85                 times[1] = ft->mtime;
  86                 DEBUG(6,("**** onefs_ntimes: modtime: %s.%d\n",
  87                         time_to_asc(convert_timespec_to_time_t(ft->mtime)),
  88                         ft->mtime.tv_nsec));
  89         }
  90
  91         if (!null_timespec(ft->create_time)) {
  92                 flags |= VT_BTIME;
  93                 times[2] = ft->create_time;
  94                 DEBUG(6,("**** onefs_ntimes: createtime: %s.%d\n",
  95                    time_to_asc(convert_timespec_to_time_t(ft->create_time)),
  96                    ft->create_time.tv_nsec));
  97         }
  98
  99         return onefs_vtimes_streams(handle, fname, flags, times);
 100 }
 101
 102 static uint32_t onefs_fs_capabilities(struct vfs_handle_struct *handle)
 103 {
 104         return SMB_VFS_NEXT_FS_CAPABILITIES(handle) | FILE_NAMED_STREAMS;
 105 }
 106
 107 static vfs_op_tuple onefs_ops[] = {
 108         {SMB_VFS_OP(onefs_fs_capabilities), SMB_VFS_OP_FS_CAPABILITIES,
 109          SMB_VFS_LAYER_TRANSPARENT},
 110         {SMB_VFS_OP(onefs_mkdir), SMB_VFS_OP_MKDIR,
 111          SMB_VFS_LAYER_OPAQUE},
 112         {SMB_VFS_OP(onefs_open), SMB_VFS_OP_OPEN,
 113          SMB_VFS_LAYER_OPAQUE},
 114         {SMB_VFS_OP(onefs_create_file), SMB_VFS_OP_CREATE_FILE,
 115          SMB_VFS_LAYER_OPAQUE},
 116         {SMB_VFS_OP(onefs_close), SMB_VFS_OP_CLOSE,
 117          SMB_VFS_LAYER_TRANSPARENT},
 118         {SMB_VFS_OP(onefs_rename), SMB_VFS_OP_RENAME,
 119          SMB_VFS_LAYER_TRANSPARENT},
 120         {SMB_VFS_OP(onefs_stat), SMB_VFS_OP_STAT,
 121          SMB_VFS_LAYER_TRANSPARENT},
 122         {SMB_VFS_OP(onefs_fstat), SMB_VFS_OP_FSTAT,
 123          SMB_VFS_LAYER_TRANSPARENT},
 124         {SMB_VFS_OP(onefs_lstat), SMB_VFS_OP_LSTAT,
 125          SMB_VFS_LAYER_TRANSPARENT},
 126         {SMB_VFS_OP(onefs_unlink), SMB_VFS_OP_UNLINK,
 127          SMB_VFS_LAYER_TRANSPARENT},
 128         {SMB_VFS_OP(onefs_ntimes), SMB_VFS_OP_NTIMES,
 129          SMB_VFS_LAYER_OPAQUE},
 130         {SMB_VFS_OP(onefs_chflags), SMB_VFS_OP_CHFLAGS,
 131          SMB_VFS_LAYER_TRANSPARENT},
 132         {SMB_VFS_OP(onefs_streaminfo), SMB_VFS_OP_STREAMINFO,
 133          SMB_VFS_LAYER_OPAQUE},
 134         {SMB_VFS_OP(onefs_fget_nt_acl), SMB_VFS_OP_FGET_NT_ACL,
 135          SMB_VFS_LAYER_OPAQUE},
 136         {SMB_VFS_OP(onefs_get_nt_acl), SMB_VFS_OP_GET_NT_ACL,
 137          SMB_VFS_LAYER_OPAQUE},
 138         {SMB_VFS_OP(onefs_fset_nt_acl), SMB_VFS_OP_FSET_NT_ACL,
 139          SMB_VFS_LAYER_OPAQUE},
 140         {SMB_VFS_OP(onefs_statvfs), SMB_VFS_OP_STATVFS,
 141          SMB_VFS_LAYER_OPAQUE},
 142         {SMB_VFS_OP(NULL), SMB_VFS_OP_NOOP, SMB_VFS_LAYER_NOOP}
 143 };
 144
 145 NTSTATUS vfs_onefs_init(void)
 146 {
 147         return smb_register_vfs(SMB_VFS_INTERFACE_VERSION, "onefs",
 148                                 onefs_ops);
 149 }