3 * Ext2 Driver Version 1
11 #define EXT2_UPDATE_WRITEBACK 1
18 tExt2_Inode RootInode;
20 tExt2_SuperBlock SuperBlock;
28 extern tVFS_NodeType gExt2_FileType;
29 extern tVFS_NodeType gExt2_DirType;
33 extern void Ext2_CloseFile(tVFS_Node *Node);
34 extern Uint64 Ext2_int_GetBlockAddr(tExt2_Disk *Disk, Uint32 *Blocks, int BlockNum);
35 extern void Ext2_int_UpdateSuperblock(tExt2_Disk *Disk);
36 extern Uint32 Ext2_int_AllocateInode(tExt2_Disk *Disk, Uint32 Parent);
37 extern void Ext2_int_DereferenceInode(tExt2_Disk *Disk, Uint32 Inode);
38 extern int Ext2_int_ReadInode(tExt2_Disk *Disk, Uint32 InodeId, tExt2_Inode *Inode);
39 extern int Ext2_int_WriteInode(tExt2_Disk *Disk, Uint32 InodeId, tExt2_Inode *Inode);
41 extern int Ext2_ReadDir(tVFS_Node *Node, int Pos, char Dest[FILENAME_MAX]);
42 extern tVFS_Node *Ext2_FindDir(tVFS_Node *Node, const char *FileName, Uint Flags);
43 extern tVFS_Node *Ext2_MkNod(tVFS_Node *Node, const char *Name, Uint Mode);
44 extern int Ext2_Link(tVFS_Node *Parent, const char *Name, tVFS_Node *Node);
45 extern tVFS_Node *Ext2_int_CreateNode(tExt2_Disk *Disk, Uint InodeId);
46 extern int Ext2_int_WritebackNode(tExt2_Disk *Disk, tVFS_Node *Node);
48 extern size_t Ext2_Read(tVFS_Node *node, off_t offset, size_t length, void *buffer, Uint Flags);
50 extern size_t Ext2_Write(tVFS_Node *node, off_t offset, size_t length, const void *buffer, Uint Flags);
51 extern Uint32 Ext2_int_AllocateBlock(tExt2_Disk *Disk, Uint32 LastBlock);
52 extern void Ext2_int_DeallocateBlock(tExt2_Disk *Disk, Uint32 Block);
53 extern int Ext2_int_AppendBlock(tVFS_Node *Node, tExt2_Inode *Inode, Uint32 Block);