headers/private/kernel/disk_device_manager/KFileSystem.h

   1 /*
   2  * Copyright 2003-2011, Haiku, Inc. All Rights Reserved.
   3  * Distributed under the terms of the MIT License.
   4  *
   5  * Authors:
   6  *              Ingo Weinhold <bonefish@cs.tu-berlin.de>
   7  *
   8  * KFileSystem implements the KDiskSystem interface for file systems.
   9  */
  10 #ifndef _K_FILE_DISK_DEVICE_SYSTEM_H
  11 #define _K_FILE_DISK_DEVICE_SYSTEM_H
  12
  13 #include "KDiskSystem.h"
  14
  15
  16 struct file_system_module_info;
  17
  18
  19 namespace BPrivate {
  20 namespace DiskDevice {
  21
  22
  23 //!     \brief Wrapper for the C interface of a filesystem add-on.
  24 class KFileSystem : public KDiskSystem {
  25 public:
  26                                                                 KFileSystem(const char* name);
  27         virtual                                         ~KFileSystem();
  28
  29         virtual status_t                        Init();
  30
  31         // Scanning
  32
  33         virtual float                           Identify(KPartition* partition, void** cookie);
  34         virtual status_t                        Scan(KPartition* partition, void* cookie);
  35         virtual void                            FreeIdentifyCookie(KPartition* partition,
  36                                                                         void* cookie);
  37         virtual void                            FreeContentCookie(KPartition* partition);
  38
  39         // Writing
  40
  41         virtual status_t                        Defragment(KPartition* partition,
  42                                                                         disk_job_id job);
  43         virtual status_t                        Repair(KPartition* partition, bool checkOnly,
  44                                                                         disk_job_id job);
  45         virtual status_t                        Resize(KPartition* partition, off_t size,
  46                                                                         disk_job_id job);
  47         virtual status_t                        Move(KPartition* partition, off_t offset,
  48                                                                         disk_job_id job);
  49         virtual status_t                        SetContentName(KPartition* partition,
  50                                                                         const char* name, disk_job_id job);
  51         virtual status_t                        SetContentParameters(KPartition* partition,
  52                                                                         const char* parameters, disk_job_id job);
  53         virtual status_t                        Initialize(KPartition* partition,
  54                                                                         const char* name, const char* parameters,
  55                                                                         disk_job_id job);
  56         virtual status_t                        Uninitialize(KPartition* partition,
  57                                                                         disk_job_id job);
  58
  59 protected:
  60         virtual status_t                        LoadModule();
  61         virtual void                            UnloadModule();
  62
  63 private:
  64                         file_system_module_info* fModule;
  65 };
  66
  67
  68 } // namespace DiskDevice
  69 } // namespace BPrivate
  70
  71 using BPrivate::DiskDevice::KFileSystem;
  72
  73 #endif  // _K_FILE_DISK_DEVICE_SYSTEM_H