1 #ifndef VOLUME_H 2 #define VOLUME_H 3 /* Volume - emulation for the B+Tree torture test 4 ** 5 ** Initial version by Axel Dörfler, axeld@pinc-software.de 6 ** This file may be used under the terms of the MIT License. 7 */ 8 9 10 #include <SupportDefs.h> 11 12 #include "bfs.h" 13 14 15 class BFile; 16 17 18 class Volume { 19 public: 20 Volume(BFile *file) : fFile(file) {} 21 22 bool IsInitializing() const { return false; } 23 bool IsValidInodeBlock(off_t) const { return true; } 24 25 BFile *Device() { return fFile; } 26 void *BlockCache() { return fFile; } 27 fs_volume *FSVolume() { return NULL; } 28 29 uint32 BlockSize() const { return 1024; } 30 uint32 BlockShift() const { return 10; /* 2^BlockShift == BlockSize */ } 31 32 off_t ToBlock(block_run run) const { return run.start; } 33 block_run ToBlockRun(off_t block) const 34 { 35 return block_run::Run(0, 0, block); 36 } 37 38 static void Panic(); 39 40 int32 GenerateTransactionID(); 41 42 private: 43 BFile *fFile; 44 }; 45 46 47 #endif /* VOLUME_H */ 48