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 9 10 #include "InodeJournal.h" 11 12 #include <new> 13 14 #include <fs_cache.h> 15 16 #include "HashRevokeManager.h" 17 18 19 //#define TRACE_EXT2 20 #ifdef TRACE_EXT2 21 # define TRACE(x...) dprintf("\33[34mext2:\33[0m " x) 22 #else 23 # define TRACE(x...) ; 24 #endif 25 26 27 InodeJournal::InodeJournal(Inode* inode) 28 : 29 Journal(), 30 fInode(inode) 31 { 32 if (inode == NULL) 33 fInitStatus = B_BAD_DATA; 34 else { 35 Volume* volume = inode->GetVolume(); 36 37 fFilesystemVolume = volume; 38 fFilesystemBlockCache = volume->BlockCache(); 39 fJournalVolume = volume; 40 fJournalBlockCache = volume->BlockCache(); 41 42 if (inode->HasFileCache()) 43 inode->DeleteFileCache(); 44 45 fInitStatus = B_OK; 46 47 TRACE("InodeJournal::InodeJournal(): Inode's file cache disabled " 48 "successfully\n"); 49 HashRevokeManager* revokeManager = new(std::nothrow) 50 HashRevokeManager; 51 TRACE("InodeJournal::InodeJournal(): Allocated a hash revoke " 52 "manager at %p\n", revokeManager); 53 54 if (revokeManager == NULL) { 55 TRACE("InodeJournal::InodeJournal(): Insufficient memory to " 56 "create the hash revoke manager\n"); 57 fInitStatus = B_NO_MEMORY; 58 } else { 59 fInitStatus = revokeManager->Init(); 60 61 if (fInitStatus == B_OK) { 62 fRevokeManager = revokeManager; 63 fInitStatus = _LoadSuperBlock(); 64 } else 65 delete revokeManager; 66 } 67 } 68 } 69 70 71 InodeJournal::~InodeJournal() 72 { 73 } 74 75 76 status_t 77 InodeJournal::InitCheck() 78 { 79 if (fInitStatus != B_OK) 80 TRACE("InodeJournal: Initialization error\n"); 81 return fInitStatus; 82 } 83 84 85 status_t 86 InodeJournal::MapBlock(off_t logical, fsblock_t& physical) 87 { 88 TRACE("InodeJournal::MapBlock()\n"); 89 return fInode->FindBlock(logical * fBlockSize, physical); 90 } 91