src/add-ons/kernel/file_systems/btrfs/Chunk.h

   1 /*
   2  * Copyright 2011, Haiku Inc. All rights reserved.
   3  * This file may be used under the terms of the MIT License.
   4  *
   5  * Authors:
   6  *              Jérôme Duval
   7  *              Chế Vũ Gia Hy
   8  */
   9 #ifndef CHUNK_H
  10 #define CHUNK_H
  11
  12
  13 #include "btrfs.h"
  14
  15
  16 class Chunk {
  17 public:
  18                                                                 Chunk(btrfs_chunk* chunk,
  19                                                                         fsblock_t offset);
  20                                                                 ~Chunk();
  21                         uint32                          Size() const;
  22                         status_t                        FindBlock(off_t logical, off_t& physical);
  23                         fsblock_t                       Offset() const { return fChunkOffset; }
  24                         fsblock_t                       End() const
  25                                                                         { return fChunkOffset + fChunk->Length(); }
  26 private:
  27                         btrfs_chunk*    fChunk;
  28                         fsblock_t                       fChunkOffset;
  29                         status_t                        fInitStatus;
  30 };
  31
  32 #endif  // CHUNK_H