1 /* 2 * Copyright 2012 Haiku, Inc. All rights reserved. 3 * Distributed under the terms of the MIT License. 4 * 5 * Authors: 6 * Paweł Dziepak, pdziepak@quarnos.org 7 */ 8 #ifndef ROOTINODE_H 9 #define ROOTINODE_H 10 11 12 #include <fs_info.h> 13 14 #include "Inode.h" 15 16 17 class RootInode : public Inode { 18 public: 19 RootInode(); 20 ~RootInode(); 21 22 virtual const char* Name() const; 23 inline void SetName(const char* name); 24 25 status_t ReadInfo(struct fs_info* info); 26 inline void MakeInfoInvalid(); 27 28 inline uint32 IOSize(); 29 30 bool ProbeMigration(); 31 status_t GetLocations(AttrValue** attr); 32 33 private: 34 struct fs_info fInfoCache; 35 mutex fInfoCacheLock; 36 time_t fInfoCacheExpire; 37 38 const char* fName; 39 40 uint32 fIOSize; 41 42 status_t _UpdateInfo(bool force = false); 43 44 }; 45 46 47 inline void 48 RootInode::MakeInfoInvalid() 49 { 50 fInfoCacheExpire = 0; 51 } 52 53 54 inline uint32 55 RootInode::IOSize() 56 { 57 if (fIOSize == 0) 58 _UpdateInfo(true); 59 return fIOSize; 60 } 61 62 63 inline void 64 RootInode::SetName(const char* name) 65 { 66 ASSERT(name != NULL); 67 68 free(const_cast<char*>(fName)); 69 fName = strdup(name); 70 } 71 72 73 #endif // ROOTINODE_H 74 75