src/add-ons/kernel/file_systems/ext2/RevokeManager.h

   1 /*
   2  * Copyright 2001-2010, Haiku Inc. All rights reserved.
   3  * This file may be used under the terms of the MIT License.
   4  *
   5  * Authors:
   6  *              Janito V. Ferreira Filho
   7  */
   8 #ifndef REVOKEMANAGER_H
   9 #define REVOKEMANAGER_H
  10
  11 #include "Journal.h"
  12
  13
  14 struct JournalRevokeHeader;
  15
  16 class RevokeManager {
  17 public:
  18                                                 RevokeManager();
  19         virtual                         ~RevokeManager() = 0;
  20
  21         virtual status_t        Insert(uint32 block, uint32 commitID) = 0;
  22         virtual status_t        Remove(uint32 block) = 0;
  23         virtual bool            Lookup(uint32 block, uint32 commitID) = 0;
  24
  25                         uint32          NumRevokes() { return fRevokeCount; }
  26
  27                         status_t        ScanRevokeBlock(JournalRevokeHeader* revokeBlock,
  28                                                         uint32 commitID);
  29
  30 protected:
  31                         uint32          fRevokeCount;
  32 };
  33
  34 #endif  // REVOKEMANAGER_H
  35