src/add-ons/kernel/file_systems/bindfs/Volume.h

   1 /*
   2  * Copyright 2011, Oliver Tappe <zooey@hirschkaefer.de>
   3  * Distributed under the terms of the MIT License.
   4  */
   5 #ifndef VOLUME_H
   6 #define VOLUME_H
   7
   8
   9 #include <fs_interface.h>
  10
  11
  12 class Node;
  13 struct vnode;
  14
  15
  16 class Volume {
  17 public:
  18                                                                 Volume(fs_volume* fsVolume);
  19                                                                 ~Volume();
  20
  21                         fs_volume*                      FSVolume() const        { return fFSVolume; }
  22                         dev_t                           ID() const                      { return fFSVolume->id; }
  23
  24                         fs_volume*                      SourceFSVolume() const
  25                                                                                                         { return fSourceFSVolume; }
  26
  27                         Node*                           RootNode() const        { return fRootNode; }
  28                         const char*                     Name() const            { return fName; }
  29
  30                         status_t                        Mount(const char* parameterString);
  31                         void                            Unmount();
  32
  33                         const fs_vnode_ops*     VnodeOps() const        { return &fVnodeOps; }
  34
  35 private:
  36                         struct VolumeListener;
  37         friend  struct VolumeListener;
  38
  39 private:
  40                         status_t                        _InitVnodeOpsFrom(fs_vnode* sourceNode);
  41
  42 private:
  43                         fs_volume*                      fFSVolume;
  44                         fs_volume*                      fSourceFSVolume;
  45                         vnode*                          fSourceVnode;
  46                         Node*                           fRootNode;
  47
  48                         fs_vnode_ops            fVnodeOps;
  49
  50                         char                            fName[B_PATH_NAME_LENGTH];
  51 };
  52
  53
  54 #endif  // VOLUME_H