[ros-diffs] [dgorbachev] 42541: Fix issue #4673 ("Misrepresented license in FreeLDR"), Robert Millan (rmh.reactos at aybabtu.com).

Author: dgorbachev
Date: Sun Aug  9 00:39:04 2009
New Revision: 42541

URL: http://svn.reactos.org/svn/reactos?rev=42541&view=rev
Log:
Fix issue #4673 ("Misrepresented license in FreeLDR"), Robert Millan
(rmh.reactos at aybabtu.com).

Modified:
    trunk/reactos/boot/freeldr/freeldr/fs/ext2.c
    trunk/reactos/boot/freeldr/freeldr/fs/fsrec.c
    trunk/reactos/boot/freeldr/freeldr/include/fs/ext2.h

Modified: trunk/reactos/boot/freeldr/freeldr/fs/ext2.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/boot/freeldr/freeldr/fs/ex…
==============================================================================
--- trunk/reactos/boot/freeldr/freeldr/fs/ext2.c [iso-8859-1] (original)
+++ trunk/reactos/boot/freeldr/freeldr/fs/ext2.c [iso-8859-1] Sun Aug  9 00:39:04 2009
@@ -45,13 +45,13 @@
 BOOLEAN	Ext2CopyDoubleIndirectBlockPointers(ULONG* BlockList, ULONG* CurrentBlockInList,
ULONG BlockCount, ULONG DoubleIndirectBlock);
 BOOLEAN	Ext2CopyTripleIndirectBlockPointers(ULONG* BlockList, ULONG* CurrentBlockInList,
ULONG BlockCount, ULONG TripleIndirectBlock);
 
-GEOMETRY			Ext2DiskGeometry;				// Ext2 file system disk geometry
+GEOMETRY		Ext2DiskGeometry;				// Ext2 file system disk geometry
 
 PEXT2_SUPER_BLOCK	Ext2SuperBlock = NULL;			// Ext2 file system super block
 PEXT2_GROUP_DESC	Ext2GroupDescriptors = NULL;	// Ext2 file system group descriptors
 
 UCHAR					Ext2DriveNumber = 0;			// Ext2 file system drive number
-ULONGLONG					Ext2VolumeStartSector = 0;		// Ext2 file system starting sector
+ULONGLONG				Ext2VolumeStartSector = 0;		// Ext2 file system starting sector
 ULONG					Ext2BlockSizeInBytes = 0;		// Block size in bytes
 ULONG					Ext2BlockSizeInSectors = 0;		// Block size in sectors
 ULONG					Ext2FragmentSizeInBytes = 0;	// Fragment size in bytes
@@ -106,13 +106,13 @@
 {
 	EXT2_FILE_INFO		TempExt2FileInfo;
 	PEXT2_FILE_INFO		FileHandle;
-	CHAR				SymLinkPath[EXT3_NAME_LEN];
-	CHAR				FullPath[EXT3_NAME_LEN * 2];
-	ULONG					Index;
+	CHAR			SymLinkPath[EXT2_NAME_LEN];
+	CHAR			FullPath[EXT2_NAME_LEN * 2];
+	ULONG			Index;
 
 	DPRINTM(DPRINT_FILESYSTEM, "Ext2OpenFile() FileName = %s\n", FileName);
 
-	RtlZeroMemory(SymLinkPath, EXT3_NAME_LEN);
+	RtlZeroMemory(SymLinkPath, sizeof(SymLinkPath));
 
 	// Lookup the file in the file system
 	if (!Ext2LookupFile(FileName, &TempExt2FileInfo))
@@ -122,7 +122,7 @@
 
 	// If we got a symbolic link then fix up the path
 	// and re-call this function
-	if ((TempExt2FileInfo.Inode.i_mode & EXT2_S_IFMT) == EXT2_S_IFLNK)
+	if ((TempExt2FileInfo.Inode.mode & EXT2_S_IFMT) == EXT2_S_IFLNK)
 	{
 		DPRINTM(DPRINT_FILESYSTEM, "File is a symbolic link\n");
 
@@ -207,12 +207,12 @@
  */
 BOOLEAN Ext2LookupFile(PCSTR FileName, PEXT2_FILE_INFO Ext2FileInfoPointer)
 {
-	UINT32				i;
-	ULONG				NumberOfPathParts;
-	CHAR			PathPart[261];
-	PVOID			DirectoryBuffer;
-	ULONG				DirectoryInode = EXT3_ROOT_INO;
-	EXT2_INODE		InodeData;
+	UINT32		i;
+	ULONG		NumberOfPathParts;
+	CHAR		PathPart[261];
+	PVOID		DirectoryBuffer;
+	ULONG		DirectoryInode = EXT2_ROOT_INO;
+	EXT2_INODE	InodeData;
 	EXT2_DIR_ENTRY	DirectoryEntry;
 
 	DPRINTM(DPRINT_FILESYSTEM, "Ext2LookupFile() FileName = %s\n", FileName);
@@ -269,8 +269,8 @@
 		return FALSE;
 	}
 
-	if (((InodeData.i_mode & EXT2_S_IFMT) != EXT2_S_IFREG) &&
-		((InodeData.i_mode & EXT2_S_IFMT) != EXT2_S_IFLNK))
+	if (((InodeData.mode & EXT2_S_IFMT) != EXT2_S_IFREG) &&
+		((InodeData.mode & EXT2_S_IFMT) != EXT2_S_IFLNK))
 	{
 		FileSystemError("Inode is not a regular file or symbolic link.");
 		return FALSE;
@@ -282,8 +282,8 @@
 	// If it's a regular file or a regular symbolic link
 	// then get the block pointer list otherwise it must
 	// be a fast symbolic link which doesn't have a block list
-	if (((InodeData.i_mode & EXT2_S_IFMT) == EXT2_S_IFREG) ||
-		((InodeData.i_mode & EXT2_S_IFMT) == EXT2_S_IFLNK && InodeData.i_size >
FAST_SYMLINK_MAX_NAME_SIZE))
+	if (((InodeData.mode & EXT2_S_IFMT) == EXT2_S_IFREG) ||
+		((InodeData.mode & EXT2_S_IFMT) == EXT2_S_IFLNK && InodeData.size >
FAST_SYMLINK_MAX_NAME_SIZE))
 	{
 		Ext2FileInfoPointer->FileBlockList = Ext2ReadBlockPointerList(&InodeData);
 
@@ -306,7 +306,7 @@
 
 BOOLEAN Ext2SearchDirectoryBufferForFile(PVOID DirectoryBuffer, ULONG DirectorySize,
PCHAR FileName, PEXT2_DIR_ENTRY DirectoryEntry)
 {
-	ULONG				CurrentOffset;
+	ULONG		CurrentOffset;
 	PEXT2_DIR_ENTRY	CurrentDirectoryEntry;
 
 	DPRINTM(DPRINT_FILESYSTEM, "Ext2SearchDirectoryBufferForFile() DirectoryBuffer =
0x%x DirectorySize = %d FileName = %s\n", DirectoryBuffer, DirectorySize, FileName);
@@ -315,32 +315,32 @@
 	{
 		CurrentDirectoryEntry = (PEXT2_DIR_ENTRY)((ULONG_PTR)DirectoryBuffer + CurrentOffset);
 
-		if (CurrentDirectoryEntry->rec_len == 0)
+		if (CurrentDirectoryEntry->direntlen == 0)
 		{
 			break;
 		}
 
-		if ((CurrentDirectoryEntry->rec_len + CurrentOffset) > DirectorySize)
+		if ((CurrentDirectoryEntry->direntlen + CurrentOffset) > DirectorySize)
 		{
 			FileSystemError("Directory entry extends past end of directory file.");
 			return FALSE;
 		}
 
 		DPRINTM(DPRINT_FILESYSTEM, "Dumping directory entry at offset %d:\n",
CurrentOffset);
-		DbgDumpBuffer(DPRINT_FILESYSTEM, CurrentDirectoryEntry,
CurrentDirectoryEntry->rec_len);
-
-		if ((_strnicmp(FileName, CurrentDirectoryEntry->name,
CurrentDirectoryEntry->name_len) == 0) &&
-			(strlen(FileName) == CurrentDirectoryEntry->name_len))
+		DbgDumpBuffer(DPRINT_FILESYSTEM, CurrentDirectoryEntry,
CurrentDirectoryEntry->direntlen);
+
+		if ((_strnicmp(FileName, CurrentDirectoryEntry->name,
CurrentDirectoryEntry->namelen) == 0) &&
+			(strlen(FileName) == CurrentDirectoryEntry->namelen))
 		{
 			RtlCopyMemory(DirectoryEntry, CurrentDirectoryEntry, sizeof(EXT2_DIR_ENTRY));
 
 			DPRINTM(DPRINT_FILESYSTEM, "EXT2 Directory Entry:\n");
 			DPRINTM(DPRINT_FILESYSTEM, "inode = %d\n", DirectoryEntry->inode);
-			DPRINTM(DPRINT_FILESYSTEM, "rec_len = %d\n", DirectoryEntry->rec_len);
-			DPRINTM(DPRINT_FILESYSTEM, "name_len = %d\n", DirectoryEntry->name_len);
-			DPRINTM(DPRINT_FILESYSTEM, "file_type = %d\n",
DirectoryEntry->file_type);
+			DPRINTM(DPRINT_FILESYSTEM, "direntlen = %d\n",
DirectoryEntry->direntlen);
+			DPRINTM(DPRINT_FILESYSTEM, "namelen = %d\n", DirectoryEntry->namelen);
+			DPRINTM(DPRINT_FILESYSTEM, "filetype = %d\n", DirectoryEntry->filetype);
 			DPRINTM(DPRINT_FILESYSTEM, "name = ");
-			for (CurrentOffset=0; CurrentOffset<DirectoryEntry->name_len; CurrentOffset++)
+			for (CurrentOffset=0; CurrentOffset<DirectoryEntry->namelen; CurrentOffset++)
 			{
 				DPRINTM(DPRINT_FILESYSTEM, "%c", DirectoryEntry->name[CurrentOffset]);
 			}
@@ -349,7 +349,7 @@
 			return TRUE;
 		}
 
-		CurrentOffset += CurrentDirectoryEntry->rec_len;
+		CurrentOffset += CurrentDirectoryEntry->direntlen;
 	}
 
 	return FALSE;
@@ -380,7 +380,7 @@
 	{
 		// Block pointer list is NULL
 		// so this better be a fast symbolic link or else
-		if (((Ext2FileInfo->Inode.i_mode & EXT2_S_IFMT) != EXT2_S_IFLNK) ||
+		if (((Ext2FileInfo->Inode.mode & EXT2_S_IFMT) != EXT2_S_IFLNK) ||
 			(Ext2FileInfo->FileSize > FAST_SYMLINK_MAX_NAME_SIZE))
 		{
 			FileSystemError("Block pointer list is NULL and file is not a fast symbolic
link.");
@@ -409,13 +409,13 @@
 
 	// Check if this is a fast symbolic link
 	// if so then the read is easy
-	if (((Ext2FileInfo->Inode.i_mode & EXT2_S_IFMT) == EXT2_S_IFLNK) &&
+	if (((Ext2FileInfo->Inode.mode & EXT2_S_IFMT) == EXT2_S_IFLNK) &&
 		(Ext2FileInfo->FileSize <= FAST_SYMLINK_MAX_NAME_SIZE))
 	{
 		DPRINTM(DPRINT_FILESYSTEM, "Reading fast symbolic link data\n");
 
 		// Copy the data from the link
-		RtlCopyMemory(Buffer, (PVOID)((ULONG_PTR)Ext2FileInfo->FilePointer +
Ext2FileInfo->Inode.i_block), BytesToRead);
+		RtlCopyMemory(Buffer, (PVOID)((ULONG_PTR)Ext2FileInfo->FilePointer +
Ext2FileInfo->Inode.symlink), BytesToRead);
 
 		if (BytesRead != NULL)
 		{
@@ -596,60 +596,47 @@
 	RtlCopyMemory(Ext2SuperBlock, (PVOID)((ULONG_PTR)DISKREADBUFFER + 1024), 1024);
 
 	DPRINTM(DPRINT_FILESYSTEM, "Dumping super block:\n");
-
-	DPRINTM(DPRINT_FILESYSTEM, "s_inodes_count: %d\n",
Ext2SuperBlock->s_inodes_count);
-	DPRINTM(DPRINT_FILESYSTEM, "s_blocks_count: %d\n",
Ext2SuperBlock->s_blocks_count);
-	DPRINTM(DPRINT_FILESYSTEM, "s_r_blocks_count: %d\n",
Ext2SuperBlock->s_r_blocks_count);
-	DPRINTM(DPRINT_FILESYSTEM, "s_free_blocks_count: %d\n",
Ext2SuperBlock->s_free_blocks_count);
-	DPRINTM(DPRINT_FILESYSTEM, "s_free_inodes_count: %d\n",
Ext2SuperBlock->s_free_inodes_count);
-	DPRINTM(DPRINT_FILESYSTEM, "s_first_data_block: %d\n",
Ext2SuperBlock->s_first_data_block);
-	DPRINTM(DPRINT_FILESYSTEM, "s_log_block_size: %d\n",
Ext2SuperBlock->s_log_block_size);
-	DPRINTM(DPRINT_FILESYSTEM, "s_log_frag_size: %d\n",
Ext2SuperBlock->s_log_frag_size);
-	DPRINTM(DPRINT_FILESYSTEM, "s_blocks_per_group: %d\n",
Ext2SuperBlock->s_blocks_per_group);
-	DPRINTM(DPRINT_FILESYSTEM, "s_frags_per_group: %d\n",
Ext2SuperBlock->s_frags_per_group);
-	DPRINTM(DPRINT_FILESYSTEM, "s_inodes_per_group: %d\n",
Ext2SuperBlock->s_inodes_per_group);
-	DPRINTM(DPRINT_FILESYSTEM, "s_mtime: %d\n", Ext2SuperBlock->s_mtime);
-	DPRINTM(DPRINT_FILESYSTEM, "s_wtime: %d\n", Ext2SuperBlock->s_wtime);
-	DPRINTM(DPRINT_FILESYSTEM, "s_mnt_count: %d\n",
Ext2SuperBlock->s_mnt_count);
-	DPRINTM(DPRINT_FILESYSTEM, "s_max_mnt_count: %d\n",
Ext2SuperBlock->s_max_mnt_count);
-	DPRINTM(DPRINT_FILESYSTEM, "s_magic: 0x%x\n", Ext2SuperBlock->s_magic);
-	DPRINTM(DPRINT_FILESYSTEM, "s_state: %d\n", Ext2SuperBlock->s_state);
-	DPRINTM(DPRINT_FILESYSTEM, "s_errors: %d\n", Ext2SuperBlock->s_errors);
-	DPRINTM(DPRINT_FILESYSTEM, "s_minor_rev_level: %d\n",
Ext2SuperBlock->s_minor_rev_level);
-	DPRINTM(DPRINT_FILESYSTEM, "s_lastcheck: %d\n",
Ext2SuperBlock->s_lastcheck);
-	DPRINTM(DPRINT_FILESYSTEM, "s_checkinterval: %d\n",
Ext2SuperBlock->s_checkinterval);
-	DPRINTM(DPRINT_FILESYSTEM, "s_creator_os: %d\n",
Ext2SuperBlock->s_creator_os);
-	DPRINTM(DPRINT_FILESYSTEM, "s_rev_level: %d\n",
Ext2SuperBlock->s_rev_level);
-	DPRINTM(DPRINT_FILESYSTEM, "s_def_resuid: %d\n",
Ext2SuperBlock->s_def_resuid);
-	DPRINTM(DPRINT_FILESYSTEM, "s_def_resgid: %d\n",
Ext2SuperBlock->s_def_resgid);
-	DPRINTM(DPRINT_FILESYSTEM, "s_first_ino: %d\n",
Ext2SuperBlock->s_first_ino);
-	DPRINTM(DPRINT_FILESYSTEM, "s_inode_size: %d\n",
Ext2SuperBlock->s_inode_size);
-	DPRINTM(DPRINT_FILESYSTEM, "s_block_group_nr: %d\n",
Ext2SuperBlock->s_block_group_nr);
-	DPRINTM(DPRINT_FILESYSTEM, "s_feature_compat: 0x%x\n",
Ext2SuperBlock->s_feature_compat);
-	DPRINTM(DPRINT_FILESYSTEM, "s_feature_incompat: 0x%x\n",
Ext2SuperBlock->s_feature_incompat);
-	DPRINTM(DPRINT_FILESYSTEM, "s_feature_ro_compat: 0x%x\n",
Ext2SuperBlock->s_feature_ro_compat);
-	DPRINTM(DPRINT_FILESYSTEM, "s_uuid[16] = 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x
0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x\n", Ext2SuperBlock->s_uuid[0],
Ext2SuperBlock->s_uuid[1], Ext2SuperBlock->s_uuid[2], Ext2SuperBlock->s_uuid[3],
Ext2SuperBlock->s_uuid[4], Ext2SuperBlock->s_uuid[5], Ext2SuperBlock->s_uuid[6],
Ext2SuperBlock->s_uuid[7], Ext2SuperBlock->s_uuid[8], Ext2SuperBlock->s_uuid[9],
Ext2SuperBlock->s_uuid[10], Ext2SuperBlock->s_uuid[11],
Ext2SuperBlock->s_uuid[12], Ext2SuperBlock->s_uuid[13],
Ext2SuperBlock->s_uuid[14], Ext2SuperBlock->s_uuid[15]);
-	DPRINTM(DPRINT_FILESYSTEM, "s_volume_name[16] =
'%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c'\n", Ext2SuperBlock->s_volume_name[0],
Ext2SuperBlock->s_volume_name[1], Ext2SuperBlock->s_volume_name[2],
Ext2SuperBlock->s_volume_name[3], Ext2SuperBlock->s_volume_name[4],
Ext2SuperBlock->s_volume_name[5], Ext2SuperBlock->s_volume_name[6],
Ext2SuperBlock->s_volume_name[7], Ext2SuperBlock->s_volume_name[8],
Ext2SuperBlock->s_volume_name[9], Ext2SuperBlock->s_volume_name[10],
Ext2SuperBlock->s_volume_name[11], Ext2SuperBlock->s_volume_name[12],
Ext2SuperBlock->s_volume_name[13], Ext2SuperBlock->s_volume_name[14],
Ext2SuperBlock->s_volume_name[15]);
-	DPRINTM(DPRINT_FILESYSTEM,
"s_last_mounted[64]='%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c'\n",
Ext2SuperBlock->s_last_mounted[0], Ext2SuperBlock->s_last_mounted[1],
Ext2SuperBlock->s_last_mounted[2], Ext2SuperBlock->s_last_mounted[3],
Ext2SuperBlock->s_last_mounted[4], Ext2SuperBlock->s_last_mounted[5],
Ext2SuperBlock->s_last_mounted[6], Ext2SuperBlock->s_last_mounted[7],
Ext2SuperBlock->s_last_mounted[8], Ext2SuperBlock->s_last_mounted[9],
-		Ext2SuperBlock->s_last_mounted[10], Ext2SuperBlock->s_last_mounted[11],
Ext2SuperBlock->s_last_mounted[12], Ext2SuperBlock->s_last_mounted[13],
Ext2SuperBlock->s_last_mounted[14], Ext2SuperBlock->s_last_mounted[15],
Ext2SuperBlock->s_last_mounted[16], Ext2SuperBlock->s_last_mounted[17],
Ext2SuperBlock->s_last_mounted[18], Ext2SuperBlock->s_last_mounted[19],
-		Ext2SuperBlock->s_last_mounted[20], Ext2SuperBlock->s_last_mounted[21],
Ext2SuperBlock->s_last_mounted[22], Ext2SuperBlock->s_last_mounted[23],
Ext2SuperBlock->s_last_mounted[24], Ext2SuperBlock->s_last_mounted[25],
Ext2SuperBlock->s_last_mounted[26], Ext2SuperBlock->s_last_mounted[27],
Ext2SuperBlock->s_last_mounted[28], Ext2SuperBlock->s_last_mounted[29],
-		Ext2SuperBlock->s_last_mounted[30], Ext2SuperBlock->s_last_mounted[31],
Ext2SuperBlock->s_last_mounted[32], Ext2SuperBlock->s_last_mounted[33],
Ext2SuperBlock->s_last_mounted[34], Ext2SuperBlock->s_last_mounted[35],
Ext2SuperBlock->s_last_mounted[36], Ext2SuperBlock->s_last_mounted[37],
Ext2SuperBlock->s_last_mounted[38], Ext2SuperBlock->s_last_mounted[39],
-		Ext2SuperBlock->s_last_mounted[40], Ext2SuperBlock->s_last_mounted[41],
Ext2SuperBlock->s_last_mounted[42], Ext2SuperBlock->s_last_mounted[43],
Ext2SuperBlock->s_last_mounted[44], Ext2SuperBlock->s_last_mounted[45],
Ext2SuperBlock->s_last_mounted[46], Ext2SuperBlock->s_last_mounted[47],
Ext2SuperBlock->s_last_mounted[48], Ext2SuperBlock->s_last_mounted[49],
-		Ext2SuperBlock->s_last_mounted[50], Ext2SuperBlock->s_last_mounted[51],
Ext2SuperBlock->s_last_mounted[52], Ext2SuperBlock->s_last_mounted[53],
Ext2SuperBlock->s_last_mounted[54], Ext2SuperBlock->s_last_mounted[55],
Ext2SuperBlock->s_last_mounted[56], Ext2SuperBlock->s_last_mounted[57],
Ext2SuperBlock->s_last_mounted[58], Ext2SuperBlock->s_last_mounted[59],
-		Ext2SuperBlock->s_last_mounted[60], Ext2SuperBlock->s_last_mounted[61],
Ext2SuperBlock->s_last_mounted[62], Ext2SuperBlock->s_last_mounted[63]);
-	DPRINTM(DPRINT_FILESYSTEM, "s_algorithm_usage_bitmap = 0x%x\n",
Ext2SuperBlock->s_algorithm_usage_bitmap);
-	DPRINTM(DPRINT_FILESYSTEM, "s_prealloc_blocks = %d\n",
Ext2SuperBlock->s_prealloc_blocks);
-	DPRINTM(DPRINT_FILESYSTEM, "s_prealloc_dir_blocks = %d\n",
Ext2SuperBlock->s_prealloc_dir_blocks);
-	DPRINTM(DPRINT_FILESYSTEM, "s_padding1 = %d\n",
Ext2SuperBlock->s_padding1);
-	DPRINTM(DPRINT_FILESYSTEM, "s_journal_uuid[16] = 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x
0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x\n",
Ext2SuperBlock->s_journal_uuid[0], Ext2SuperBlock->s_journal_uuid[1],
Ext2SuperBlock->s_journal_uuid[2], Ext2SuperBlock->s_journal_uuid[3],
Ext2SuperBlock->s_journal_uuid[4], Ext2SuperBlock->s_journal_uuid[5],
Ext2SuperBlock->s_journal_uuid[6], Ext2SuperBlock->s_journal_uuid[7],
Ext2SuperBlock->s_journal_uuid[8], Ext2SuperBlock->s_journal_uuid[9],
Ext2SuperBlock->s_journal_uuid[10], Ext2SuperBlock->s_journal_uuid[11],
Ext2SuperBlock->s_journal_uuid[12], Ext2SuperBlock->s_journal_uuid[13],
Ext2SuperBlock->s_journal_uuid[14], Ext2SuperBlock->s_journal_uuid[15]);
-	DPRINTM(DPRINT_FILESYSTEM, "s_journal_inum = %d\n",
Ext2SuperBlock->s_journal_inum);
-	DPRINTM(DPRINT_FILESYSTEM, "s_journal_dev = %d\n",
Ext2SuperBlock->s_journal_dev);
-	DPRINTM(DPRINT_FILESYSTEM, "s_last_orphan = %d\n",
Ext2SuperBlock->s_last_orphan);
+	DPRINTM(DPRINT_FILESYSTEM, "total_inodes: %d\n",
Ext2SuperBlock->total_inodes);
+	DPRINTM(DPRINT_FILESYSTEM, "total_blocks: %d\n",
Ext2SuperBlock->total_blocks);
+	DPRINTM(DPRINT_FILESYSTEM, "reserved_blocks: %d\n",
Ext2SuperBlock->reserved_blocks);
+	DPRINTM(DPRINT_FILESYSTEM, "free_blocks: %d\n",
Ext2SuperBlock->free_blocks);
+	DPRINTM(DPRINT_FILESYSTEM, "free_inodes: %d\n",
Ext2SuperBlock->free_inodes);
+	DPRINTM(DPRINT_FILESYSTEM, "first_data_block: %d\n",
Ext2SuperBlock->first_data_block);
+	DPRINTM(DPRINT_FILESYSTEM, "log2_block_size: %d\n",
Ext2SuperBlock->log2_block_size);
+	DPRINTM(DPRINT_FILESYSTEM, "log2_fragment_size: %d\n",
Ext2SuperBlock->log2_fragment_size);
+	DPRINTM(DPRINT_FILESYSTEM, "blocks_per_group: %d\n",
Ext2SuperBlock->blocks_per_group);
+	DPRINTM(DPRINT_FILESYSTEM, "fragments_per_group: %d\n",
Ext2SuperBlock->fragments_per_group);
+	DPRINTM(DPRINT_FILESYSTEM, "inodes_per_group: %d\n",
Ext2SuperBlock->inodes_per_group);
+	DPRINTM(DPRINT_FILESYSTEM, "mtime: %d\n", Ext2SuperBlock->mtime);
+	DPRINTM(DPRINT_FILESYSTEM, "utime: %d\n", Ext2SuperBlock->utime);
+	DPRINTM(DPRINT_FILESYSTEM, "mnt_count: %d\n", Ext2SuperBlock->mnt_count);
+	DPRINTM(DPRINT_FILESYSTEM, "max_mnt_count: %d\n",
Ext2SuperBlock->max_mnt_count);
+	DPRINTM(DPRINT_FILESYSTEM, "magic: 0x%x\n", Ext2SuperBlock->magic);
+	DPRINTM(DPRINT_FILESYSTEM, "fs_state: %d\n", Ext2SuperBlock->fs_state);
+	DPRINTM(DPRINT_FILESYSTEM, "error_handling: %d\n",
Ext2SuperBlock->error_handling);
+	DPRINTM(DPRINT_FILESYSTEM, "minor_revision_level: %d\n",
Ext2SuperBlock->minor_revision_level);
+	DPRINTM(DPRINT_FILESYSTEM, "lastcheck: %d\n", Ext2SuperBlock->lastcheck);
+	DPRINTM(DPRINT_FILESYSTEM, "checkinterval: %d\n",
Ext2SuperBlock->checkinterval);
+	DPRINTM(DPRINT_FILESYSTEM, "creator_os: %d\n",
Ext2SuperBlock->creator_os);
+	DPRINTM(DPRINT_FILESYSTEM, "revision_level: %d\n",
Ext2SuperBlock->revision_level);
+	DPRINTM(DPRINT_FILESYSTEM, "uid_reserved: %d\n",
Ext2SuperBlock->uid_reserved);
+	DPRINTM(DPRINT_FILESYSTEM, "gid_reserved: %d\n",
Ext2SuperBlock->gid_reserved);
+	DPRINTM(DPRINT_FILESYSTEM, "first_inode: %d\n",
Ext2SuperBlock->first_inode);
+	DPRINTM(DPRINT_FILESYSTEM, "inode_size: %d\n",
Ext2SuperBlock->inode_size);
+	DPRINTM(DPRINT_FILESYSTEM, "block_group_number: %d\n",
Ext2SuperBlock->block_group_number);
+	DPRINTM(DPRINT_FILESYSTEM, "feature_compatibility: 0x%x\n",
Ext2SuperBlock->feature_compatibility);
+	DPRINTM(DPRINT_FILESYSTEM, "feature_incompat: 0x%x\n",
Ext2SuperBlock->feature_incompat);
+	DPRINTM(DPRINT_FILESYSTEM, "feature_ro_compat: 0x%x\n",
Ext2SuperBlock->feature_ro_compat);
+	DPRINTM(DPRINT_FILESYSTEM, "unique_id = { 0x%x, 0x%x, 0x%x, 0x%x }\n",
+		Ext2SuperBlock->unique_id[0], Ext2SuperBlock->unique_id[1],
Ext2SuperBlock->unique_id[2], Ext2SuperBlock->unique_id[3]);
+	DPRINTM(DPRINT_FILESYSTEM, "volume_name = '%.16s'\n",
Ext2SuperBlock->volume_name);
+	DPRINTM(DPRINT_FILESYSTEM, "last_mounted_on = '%.64s'\n",
Ext2SuperBlock->last_mounted_on);
+	DPRINTM(DPRINT_FILESYSTEM, "compression_info = 0x%x\n",
Ext2SuperBlock->compression_info);
 
 	//
 	// Check the super block magic
 	//
-	if (Ext2SuperBlock->s_magic != EXT3_SUPER_MAGIC)
+	if (Ext2SuperBlock->magic != EXT2_MAGIC)
 	{
 		FileSystemError("Invalid super block magic (0xef53)");
 		return FALSE;
@@ -658,7 +645,7 @@
 	//
 	// Check the revision level
 	//
-	if (Ext2SuperBlock->s_rev_level > EXT3_DYNAMIC_REV)
+	if (Ext2SuperBlock->revision_level > EXT2_DYNAMIC_REVISION)
 	{
 		FileSystemError("FreeLoader does not understand the revision of this EXT2/EXT3
filesystem.\nPlease update FreeLoader.");
 		return FALSE;
@@ -669,33 +656,33 @@
 	// Don't need to check the compatible or read-only compatible features
 	// because we only mount the filesystem as read-only
 	//
-	if ((Ext2SuperBlock->s_rev_level >= EXT3_DYNAMIC_REV) &&
+	if ((Ext2SuperBlock->revision_level >= EXT2_DYNAMIC_REVISION) &&
 		(/*((Ext2SuperBlock->s_feature_compat & ~EXT3_FEATURE_COMPAT_SUPP) != 0) ||*/
 		 /*((Ext2SuperBlock->s_feature_ro_compat & ~EXT3_FEATURE_RO_COMPAT_SUPP) != 0)
||*/
-		 ((Ext2SuperBlock->s_feature_incompat & ~EXT3_FEATURE_INCOMPAT_SUPP) != 0)))
+		 ((Ext2SuperBlock->feature_incompat & ~EXT3_FEATURE_INCOMPAT_SUPP) != 0)))
 	{
 		FileSystemError("FreeLoader does not understand features of this EXT2/EXT3
filesystem.\nPlease update FreeLoader.");
 		return FALSE;
 	}
 
 	// Calculate the group count
-	Ext2GroupCount = (Ext2SuperBlock->s_blocks_count -
Ext2SuperBlock->s_first_data_block + Ext2SuperBlock->s_blocks_per_group - 1) /
Ext2SuperBlock->s_blocks_per_group;
+	Ext2GroupCount = (Ext2SuperBlock->total_blocks - Ext2SuperBlock->first_data_block
+ Ext2SuperBlock->blocks_per_group - 1) / Ext2SuperBlock->blocks_per_group;
 	DPRINTM(DPRINT_FILESYSTEM, "Ext2GroupCount: %d\n", Ext2GroupCount);
 
 	// Calculate the block size
-	Ext2BlockSizeInBytes = 1024 << Ext2SuperBlock->s_log_block_size;
+	Ext2BlockSizeInBytes = 1024 << Ext2SuperBlock->log2_block_size;
 	Ext2BlockSizeInSectors = Ext2BlockSizeInBytes / Ext2DiskGeometry.BytesPerSector;
 	DPRINTM(DPRINT_FILESYSTEM, "Ext2BlockSizeInBytes: %d\n",
Ext2BlockSizeInBytes);
 	DPRINTM(DPRINT_FILESYSTEM, "Ext2BlockSizeInSectors: %d\n",
Ext2BlockSizeInSectors);
 
 	// Calculate the fragment size
-	if (Ext2SuperBlock->s_log_frag_size >= 0)
-	{
-		Ext2FragmentSizeInBytes = 1024 << Ext2SuperBlock->s_log_frag_size;
+	if (Ext2SuperBlock->log2_fragment_size >= 0)
+	{
+		Ext2FragmentSizeInBytes = 1024 << Ext2SuperBlock->log2_fragment_size;
 	}
 	else
 	{
-		Ext2FragmentSizeInBytes = 1024 >> -(Ext2SuperBlock->s_log_frag_size);
+		Ext2FragmentSizeInBytes = 1024 >> -(Ext2SuperBlock->log2_fragment_size);
 	}
 	Ext2FragmentSizeInSectors = Ext2FragmentSizeInBytes / Ext2DiskGeometry.BytesPerSector;
 	DPRINTM(DPRINT_FILESYSTEM, "Ext2FragmentSizeInBytes: %d\n",
Ext2FragmentSizeInBytes);
@@ -709,11 +696,11 @@
 	}
 
 	// Calculate the number of inodes in one block
-	Ext2InodesPerBlock = Ext2BlockSizeInBytes / EXT3_INODE_SIZE(Ext2SuperBlock);
+	Ext2InodesPerBlock = Ext2BlockSizeInBytes / EXT2_INODE_SIZE(Ext2SuperBlock);
 	DPRINTM(DPRINT_FILESYSTEM, "Ext2InodesPerBlock: %d\n", Ext2InodesPerBlock);
 
 	// Calculate the number of group descriptors in one block
-	Ext2GroupDescPerBlock = EXT3_DESC_PER_BLOCK(Ext2SuperBlock);
+	Ext2GroupDescPerBlock = EXT2_DESC_PER_BLOCK(Ext2SuperBlock);
 	DPRINTM(DPRINT_FILESYSTEM, "Ext2GroupDescPerBlock: %d\n",
Ext2GroupDescPerBlock);
 
 	return TRUE;
@@ -754,7 +741,7 @@
 	// Now read the group descriptors
 	for (CurrentGroupDescBlock=0; CurrentGroupDescBlock<GroupDescBlockCount;
CurrentGroupDescBlock++)
 	{
-		if (!Ext2ReadBlock(Ext2SuperBlock->s_first_data_block + 1 + CurrentGroupDescBlock,
(PVOID)FILESYSBUFFER))
+		if (!Ext2ReadBlock(Ext2SuperBlock->first_data_block + 1 + CurrentGroupDescBlock,
(PVOID)FILESYSBUFFER))
 		{
 			return FALSE;
 		}
@@ -778,7 +765,7 @@
 	}
 
 	// Make sure it is a directory inode
-	if ((InodePointer->i_mode & EXT2_S_IFMT) != EXT2_S_IFDIR)
+	if ((InodePointer->mode & EXT2_S_IFMT) != EXT2_S_IFDIR)
 	{
 		FileSystemError("Inode is not a directory.");
 		return FALSE;
@@ -826,12 +813,12 @@
 
 BOOLEAN Ext2ReadBlock(ULONG BlockNumber, PVOID Buffer)
 {
-	CHAR			ErrorString[80];
+	CHAR	ErrorString[80];
 
 	DPRINTM(DPRINT_FILESYSTEM, "Ext2ReadBlock() BlockNumber = %d Buffer = 0x%x\n",
BlockNumber, Buffer);
 
 	// Make sure its a valid block
-	if (BlockNumber > Ext2SuperBlock->s_blocks_count)
+	if (BlockNumber > Ext2SuperBlock->total_blocks)
 	{
 		sprintf(ErrorString, "Error reading block %d - block out of range.", (int)
BlockNumber);
 		FileSystemError(ErrorString);
@@ -872,7 +859,7 @@
 
 ULONG Ext2GetGroupDescBlockNumber(ULONG Group)
 {
-	return (((Group * sizeof(EXT2_GROUP_DESC)) / Ext2GroupDescPerBlock) +
Ext2SuperBlock->s_first_data_block + 1);
+	return (((Group * sizeof(EXT2_GROUP_DESC)) / Ext2GroupDescPerBlock) +
Ext2SuperBlock->first_data_block + 1);
 }
 
 ULONG Ext2GetGroupDescOffsetInBlock(ULONG Group)
@@ -882,31 +869,31 @@
 
 ULONG Ext2GetInodeGroupNumber(ULONG Inode)
 {
-	return ((Inode - 1) / Ext2SuperBlock->s_inodes_per_group);
+	return ((Inode - 1) / Ext2SuperBlock->inodes_per_group);
 }
 
 ULONG Ext2GetInodeBlockNumber(ULONG Inode)
 {
-	return (((Inode - 1) % Ext2SuperBlock->s_inodes_per_group) / Ext2InodesPerBlock);
+	return (((Inode - 1) % Ext2SuperBlock->inodes_per_group) / Ext2InodesPerBlock);
 }
 
 ULONG Ext2GetInodeOffsetInBlock(ULONG Inode)
 {
-	return (((Inode - 1) % Ext2SuperBlock->s_inodes_per_group) % Ext2InodesPerBlock);
+	return (((Inode - 1) % Ext2SuperBlock->inodes_per_group) % Ext2InodesPerBlock);
 }
 
 BOOLEAN Ext2ReadInode(ULONG Inode, PEXT2_INODE InodeBuffer)
 {
-	ULONG				InodeGroupNumber;
-	ULONG				InodeBlockNumber;
-	ULONG				InodeOffsetInBlock;
-	CHAR			ErrorString[80];
+	ULONG		InodeGroupNumber;
+	ULONG		InodeBlockNumber;
+	ULONG		InodeOffsetInBlock;
+	CHAR		ErrorString[80];
 	EXT2_GROUP_DESC	GroupDescriptor;
 
 	DPRINTM(DPRINT_FILESYSTEM, "Ext2ReadInode() Inode = %d\n", Inode);
 
 	// Make sure its a valid inode
-	if ((Inode < 1) || (Inode > Ext2SuperBlock->s_inodes_count))
+	if ((Inode < 1) || (Inode > Ext2SuperBlock->total_inodes))
 	{
 		sprintf(ErrorString, "Error reading inode %ld - inode out of range.",
Inode);
 		FileSystemError(ErrorString);
@@ -928,7 +915,7 @@
 	}
 
 	// Add the start block of the inode table to the inode block number
-	InodeBlockNumber += GroupDescriptor.bg_inode_table;
+	InodeBlockNumber += GroupDescriptor.inode_table_id;
 	DPRINTM(DPRINT_FILESYSTEM, "InodeBlockNumber (after group desc correction) =
%d\n", InodeBlockNumber);
 
 	// Read the block
@@ -938,29 +925,34 @@
 	}
 
 	// Copy the data to their buffer
-	RtlCopyMemory(InodeBuffer, (PVOID)((ULONG_PTR)FILESYSBUFFER + (InodeOffsetInBlock *
EXT3_INODE_SIZE(Ext2SuperBlock))), sizeof(EXT2_INODE));
+	RtlCopyMemory(InodeBuffer, (PVOID)((ULONG_PTR)FILESYSBUFFER + (InodeOffsetInBlock *
EXT2_INODE_SIZE(Ext2SuperBlock))), sizeof(EXT2_INODE));
 
 	DPRINTM(DPRINT_FILESYSTEM, "Dumping inode information:\n");
-	DPRINTM(DPRINT_FILESYSTEM, "i_mode = 0x%x\n", InodeBuffer->i_mode);
-	DPRINTM(DPRINT_FILESYSTEM, "i_uid = %d\n", InodeBuffer->i_uid);
-	DPRINTM(DPRINT_FILESYSTEM, "i_size = %d\n", InodeBuffer->i_size);
-	DPRINTM(DPRINT_FILESYSTEM, "i_atime = %d\n", InodeBuffer->i_atime);
-	DPRINTM(DPRINT_FILESYSTEM, "i_ctime = %d\n", InodeBuffer->i_ctime);
-	DPRINTM(DPRINT_FILESYSTEM, "i_mtime = %d\n", InodeBuffer->i_mtime);
-	DPRINTM(DPRINT_FILESYSTEM, "i_dtime = %d\n", InodeBuffer->i_dtime);
-	DPRINTM(DPRINT_FILESYSTEM, "i_gid = %d\n", InodeBuffer->i_gid);
-	DPRINTM(DPRINT_FILESYSTEM, "i_links_count = %d\n",
InodeBuffer->i_links_count);
-	DPRINTM(DPRINT_FILESYSTEM, "i_blocks = %d\n", InodeBuffer->i_blocks);
-	DPRINTM(DPRINT_FILESYSTEM, "i_flags = 0x%x\n", InodeBuffer->i_flags);
-	DPRINTM(DPRINT_FILESYSTEM, "i_block[EXT3_N_BLOCKS (%d)]
=\n%d,\n%d,\n%d,\n%d,\n%d,\n%d,\n%d,\n%d,\n%d,\n%d,\n%d,\n%d,\n%d,\n%d,\n%d\n",
EXT3_N_BLOCKS, InodeBuffer->i_block[0], InodeBuffer->i_block[1],
InodeBuffer->i_block[2], InodeBuffer->i_block[3], InodeBuffer->i_block[4],
InodeBuffer->i_block[5], InodeBuffer->i_block[6], InodeBuffer->i_block[7],
InodeBuffer->i_block[8], InodeBuffer->i_block[9], InodeBuffer->i_block[10],
InodeBuffer->i_block[11], InodeBuffer->i_block[12], InodeBuffer->i_block[13],
InodeBuffer->i_block[14]);
-	DPRINTM(DPRINT_FILESYSTEM, "i_generation = %d\n",
InodeBuffer->i_generation);
-	DPRINTM(DPRINT_FILESYSTEM, "i_file_acl = %d\n", InodeBuffer->i_file_acl);
-	DPRINTM(DPRINT_FILESYSTEM, "i_dir_acl = %d\n", InodeBuffer->i_dir_acl);
-	DPRINTM(DPRINT_FILESYSTEM, "i_faddr = %d\n", InodeBuffer->i_faddr);
-	DPRINTM(DPRINT_FILESYSTEM, "l_i_frag = %d\n",
InodeBuffer->osd2.linux2.l_i_frag);
-	DPRINTM(DPRINT_FILESYSTEM, "l_i_fsize = %d\n",
InodeBuffer->osd2.linux2.l_i_fsize);
-	DPRINTM(DPRINT_FILESYSTEM, "l_i_uid_high = %d\n",
InodeBuffer->osd2.linux2.l_i_uid_high);
-	DPRINTM(DPRINT_FILESYSTEM, "l_i_gid_high = %d\n",
InodeBuffer->osd2.linux2.l_i_gid_high);
+	DPRINTM(DPRINT_FILESYSTEM, "mode = 0x%x\n", InodeBuffer->mode);
+	DPRINTM(DPRINT_FILESYSTEM, "uid = %d\n", InodeBuffer->uid);
+	DPRINTM(DPRINT_FILESYSTEM, "size = %d\n", InodeBuffer->size);
+	DPRINTM(DPRINT_FILESYSTEM, "atime = %d\n", InodeBuffer->atime);
+	DPRINTM(DPRINT_FILESYSTEM, "ctime = %d\n", InodeBuffer->ctime);
+	DPRINTM(DPRINT_FILESYSTEM, "mtime = %d\n", InodeBuffer->mtime);
+	DPRINTM(DPRINT_FILESYSTEM, "dtime = %d\n", InodeBuffer->dtime);
+	DPRINTM(DPRINT_FILESYSTEM, "gid = %d\n", InodeBuffer->gid);
+	DPRINTM(DPRINT_FILESYSTEM, "nlinks = %d\n", InodeBuffer->nlinks);
+	DPRINTM(DPRINT_FILESYSTEM, "blockcnt = %d\n", InodeBuffer->blockcnt);
+	DPRINTM(DPRINT_FILESYSTEM, "flags = 0x%x\n", InodeBuffer->flags);
+	DPRINTM(DPRINT_FILESYSTEM, "osd1 = 0x%x\n", InodeBuffer->osd1);
+	DPRINTM(DPRINT_FILESYSTEM, "dir_blocks = { %u, %u, %u, %u, %u, %u, %u, %u, %u, %u,
%u, %u }\n",
+		InodeBuffer->blocks.dir_blocks[0], InodeBuffer->blocks.dir_blocks[1],
InodeBuffer->blocks.dir_blocks[ 2], InodeBuffer->blocks.dir_blocks[ 3],
+		InodeBuffer->blocks.dir_blocks[4], InodeBuffer->blocks.dir_blocks[5],
InodeBuffer->blocks.dir_blocks[ 6], InodeBuffer->blocks.dir_blocks[ 7],
+		InodeBuffer->blocks.dir_blocks[8], InodeBuffer->blocks.dir_blocks[9],
InodeBuffer->blocks.dir_blocks[10], InodeBuffer->blocks.dir_blocks[11]);
+	DPRINTM(DPRINT_FILESYSTEM, "indir_block = %u\n",
InodeBuffer->blocks.indir_block);
+	DPRINTM(DPRINT_FILESYSTEM, "double_indir_block = %u\n",
InodeBuffer->blocks.double_indir_block);
+	DPRINTM(DPRINT_FILESYSTEM, "tripple_indir_block = %u\n",
InodeBuffer->blocks.tripple_indir_block);
+	DPRINTM(DPRINT_FILESYSTEM, "version = %d\n", InodeBuffer->version);
+	DPRINTM(DPRINT_FILESYSTEM, "acl = %d\n", InodeBuffer->acl);
+	DPRINTM(DPRINT_FILESYSTEM, "dir_acl = %d\n", InodeBuffer->dir_acl);
+	DPRINTM(DPRINT_FILESYSTEM, "fragment_addr = %d\n",
InodeBuffer->fragment_addr);
+	DPRINTM(DPRINT_FILESYSTEM, "osd2 = { %d, %d, %d }\n",
+		InodeBuffer->osd2[0], InodeBuffer->osd2[1], InodeBuffer->osd2[2]);
 
 	return TRUE;
 }
@@ -979,12 +971,12 @@
 	RtlCopyMemory(GroupBuffer, &Ext2GroupDescriptors[Group], sizeof(EXT2_GROUP_DESC));
 
 	DPRINTM(DPRINT_FILESYSTEM, "Dumping group descriptor:\n");
-	DPRINTM(DPRINT_FILESYSTEM, "bg_block_bitmap = %d\n",
GroupBuffer->bg_block_bitmap);
-	DPRINTM(DPRINT_FILESYSTEM, "bg_inode_bitmap = %d\n",
GroupBuffer->bg_inode_bitmap);
-	DPRINTM(DPRINT_FILESYSTEM, "bg_inode_table = %d\n",
GroupBuffer->bg_inode_table);
-	DPRINTM(DPRINT_FILESYSTEM, "bg_free_blocks_count = %d\n",
GroupBuffer->bg_free_blocks_count);
-	DPRINTM(DPRINT_FILESYSTEM, "bg_free_inodes_count = %d\n",
GroupBuffer->bg_free_inodes_count);
-	DPRINTM(DPRINT_FILESYSTEM, "bg_used_dirs_count = %d\n",
GroupBuffer->bg_used_dirs_count);
+	DPRINTM(DPRINT_FILESYSTEM, "block_id = %d\n", GroupBuffer->block_id);
+	DPRINTM(DPRINT_FILESYSTEM, "inode_id = %d\n", GroupBuffer->inode_id);
+	DPRINTM(DPRINT_FILESYSTEM, "inode_table_id = %d\n",
GroupBuffer->inode_table_id);
+	DPRINTM(DPRINT_FILESYSTEM, "free_blocks = %d\n",
GroupBuffer->free_blocks);
+	DPRINTM(DPRINT_FILESYSTEM, "free_inodes = %d\n",
GroupBuffer->free_inodes);
+	DPRINTM(DPRINT_FILESYSTEM, "used_dirs = %d\n", GroupBuffer->used_dirs);
 
 	return TRUE;
 }
@@ -1017,19 +1009,19 @@
 	}
 
 	RtlZeroMemory(BlockList, BlockCount * sizeof(ULONG));
-	CurrentBlockInList = 0;
 
 	// Copy the direct block pointers
-	for (CurrentBlock=0; CurrentBlockInList<BlockCount &&
CurrentBlock<EXT3_NDIR_BLOCKS; CurrentBlock++)
-	{
-		BlockList[CurrentBlockInList] = Inode->i_block[CurrentBlock];
-		CurrentBlockInList++;
+	for (CurrentBlockInList = CurrentBlock = 0;
+	     CurrentBlockInList < BlockCount && CurrentBlock < INDIRECT_BLOCKS;
+	     CurrentBlock++, CurrentBlockInList++)
+	{
+		BlockList[CurrentBlockInList] = Inode->blocks.dir_blocks[CurrentBlock];
 	}
 
 	// Copy the indirect block pointers
 	if (CurrentBlockInList < BlockCount)
 	{
-		if (!Ext2CopyIndirectBlockPointers(BlockList, &CurrentBlockInList, BlockCount,
Inode->i_block[EXT3_IND_BLOCK]))
+		if (!Ext2CopyIndirectBlockPointers(BlockList, &CurrentBlockInList, BlockCount,
Inode->blocks.indir_block))
 		{
 			MmHeapFree(BlockList);
 			return FALSE;
@@ -1039,7 +1031,7 @@
 	// Copy the double indirect block pointers
 	if (CurrentBlockInList < BlockCount)
 	{
-		if (!Ext2CopyDoubleIndirectBlockPointers(BlockList, &CurrentBlockInList,
BlockCount, Inode->i_block[EXT3_DIND_BLOCK]))
+		if (!Ext2CopyDoubleIndirectBlockPointers(BlockList, &CurrentBlockInList,
BlockCount, Inode->blocks.double_indir_block))
 		{
 			MmHeapFree(BlockList);
 			return FALSE;
@@ -1049,7 +1041,7 @@
 	// Copy the triple indirect block pointers
 	if (CurrentBlockInList < BlockCount)
 	{
-		if (!Ext2CopyTripleIndirectBlockPointers(BlockList, &CurrentBlockInList,
BlockCount, Inode->i_block[EXT3_TIND_BLOCK]))
+		if (!Ext2CopyTripleIndirectBlockPointers(BlockList, &CurrentBlockInList,
BlockCount, Inode->blocks.tripple_indir_block))
 		{
 			MmHeapFree(BlockList);
 			return FALSE;
@@ -1061,21 +1053,21 @@
 
 ULONGLONG Ext2GetInodeFileSize(PEXT2_INODE Inode)
 {
-	if ((Inode->i_mode & EXT2_S_IFMT) == EXT2_S_IFDIR)
-	{
-		return (ULONGLONG)(Inode->i_size);
+	if ((Inode->mode & EXT2_S_IFMT) == EXT2_S_IFDIR)
+	{
+		return (ULONGLONG)(Inode->size);
 	}
 	else
 	{
-		return ((ULONGLONG)(Inode->i_size) | ((ULONGLONG)(Inode->i_dir_acl) <<
32));
+		return ((ULONGLONG)(Inode->size) | ((ULONGLONG)(Inode->dir_acl) << 32));
 	}
 }
 
 BOOLEAN Ext2CopyIndirectBlockPointers(ULONG* BlockList, ULONG* CurrentBlockInList, ULONG
BlockCount, ULONG IndirectBlock)
 {
 	ULONG*	BlockBuffer = (ULONG*)FILESYSBUFFER;
-	ULONG		CurrentBlock;
-	ULONG		BlockPointersPerBlock;
+	ULONG	CurrentBlock;
+	ULONG	BlockPointersPerBlock;
 
 	DPRINTM(DPRINT_FILESYSTEM, "Ext2CopyIndirectBlockPointers() BlockCount =
%d\n", BlockCount);
 
@@ -1098,8 +1090,8 @@
 BOOLEAN Ext2CopyDoubleIndirectBlockPointers(ULONG* BlockList, ULONG* CurrentBlockInList,
ULONG BlockCount, ULONG DoubleIndirectBlock)
 {
 	ULONG*	BlockBuffer;
-	ULONG		CurrentBlock;
-	ULONG		BlockPointersPerBlock;
+	ULONG	CurrentBlock;
+	ULONG	BlockPointersPerBlock;
 
 	DPRINTM(DPRINT_FILESYSTEM, "Ext2CopyDoubleIndirectBlockPointers() BlockCount =
%d\n", BlockCount);
 
@@ -1133,8 +1125,8 @@
 BOOLEAN Ext2CopyTripleIndirectBlockPointers(ULONG* BlockList, ULONG* CurrentBlockInList,
ULONG BlockCount, ULONG TripleIndirectBlock)
 {
 	ULONG*	BlockBuffer;
-	ULONG		CurrentBlock;
-	ULONG		BlockPointersPerBlock;
+	ULONG	CurrentBlock;
+	ULONG	BlockPointersPerBlock;
 
 	DPRINTM(DPRINT_FILESYSTEM, "Ext2CopyTripleIndirectBlockPointers() BlockCount =
%d\n", BlockCount);
 
@@ -1289,7 +1281,7 @@
 	//
 	// Check if SuperBlock is valid. If yes, return Ext2 function table
 	//
-	if (SuperBlock.s_magic == EXT3_SUPER_MAGIC)
+	if (SuperBlock.magic == EXT2_MAGIC)
 	{
 		//
 		// Compatibility hack as long as FS is not using underlying device DeviceId

Modified: trunk/reactos/boot/freeldr/freeldr/fs/fsrec.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/boot/freeldr/freeldr/fs/fs…
==============================================================================
--- trunk/reactos/boot/freeldr/freeldr/fs/fsrec.c [iso-8859-1] (original)
+++ trunk/reactos/boot/freeldr/freeldr/fs/fsrec.c [iso-8859-1] Sun Aug  9 00:39:04 2009
@@ -83,7 +83,7 @@
 		return FALSE;
 	}
 
-	if (SuperBlock->s_magic == EXT3_SUPER_MAGIC)
+	if (SuperBlock->magic == EXT2_MAGIC)
 	{
 		return TRUE;
 	}

Modified: trunk/reactos/boot/freeldr/freeldr/include/fs/ext2.h
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/boot/freeldr/freeldr/inclu…
==============================================================================
--- trunk/reactos/boot/freeldr/freeldr/include/fs/ext2.h [iso-8859-1] (original)
+++ trunk/reactos/boot/freeldr/freeldr/include/fs/ext2.h [iso-8859-1] Sun Aug  9 00:39:04
2009
@@ -20,615 +20,182 @@
 #ifndef __EXT2_H
 #define __EXT2_H
 
-
 /*
- *  linux/include/linux/ext3_fs.h
- *
- * Copyright (C) 1992, 1993, 1994, 1995
- * Remy Card (card(a)masi.ibp.fr)
- * Laboratoire MASI - Institut Blaise Pascal
- * Universite Pierre et Marie Curie (Paris VI)
- *
- *  from
- *
- *  linux/include/linux/minix_fs.h
- *
- *  Copyright (C) 1991, 1992  Linus Torvalds
+ *  grub/fs/ext2.c
+ *
+ *  GRUB  --  GRand Unified Bootloader
+ *  Copyright (C) 2003,2004,2005,2007  Free Software Foundation, Inc.
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with GRUB.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-#ifndef _LINUX_EXT3_FS_H
-#define _LINUX_EXT3_FS_H
-
-//#include <linux/types.h>
+/* Magic value used to identify an ext2 filesystem.  */
+#define	EXT2_MAGIC		0xEF53
+/* Amount of indirect blocks in an inode.  */
+#define INDIRECT_BLOCKS		12
+/* Maximum lenght of a pathname.  */
+#define EXT2_PATH_MAX		4096
+/* Maximum nesting of symlinks, used to prevent a loop.  */
+#define	EXT2_MAX_SYMLINKCNT	8
+
+/* The good old revision and the default inode size.  */
+#define EXT2_GOOD_OLD_REVISION		0
+#define EXT2_DYNAMIC_REVISION		1
+#define EXT2_GOOD_OLD_INODE_SIZE	128
+
+/* Filetype used in directory entry.  */
+#define	FILETYPE_UNKNOWN	0
+#define	FILETYPE_REG		1
+#define	FILETYPE_DIRECTORY	2
+#define	FILETYPE_SYMLINK	7
+
+/* Filetype information as used in inodes.  */
+#define FILETYPE_INO_MASK	0170000
+#define FILETYPE_INO_REG	0100000
+#define FILETYPE_INO_DIRECTORY	0040000
+#define FILETYPE_INO_SYMLINK	0120000
+
+/* The ext2 superblock.  */
+struct ext2_sblock
+{
+  ULONG total_inodes;
+  ULONG total_blocks;
+  ULONG reserved_blocks;
+  ULONG free_blocks;
+  ULONG free_inodes;
+  ULONG first_data_block;
+  ULONG log2_block_size;
+  ULONG log2_fragment_size;
+  ULONG blocks_per_group;
+  ULONG fragments_per_group;
+  ULONG inodes_per_group;
+  ULONG mtime;
+  ULONG utime;
+  USHORT mnt_count;
+  USHORT max_mnt_count;
+  USHORT magic;
+  USHORT fs_state;
+  USHORT error_handling;
+  USHORT minor_revision_level;
+  ULONG lastcheck;
+  ULONG checkinterval;
+  ULONG creator_os;
+  ULONG revision_level;
+  USHORT uid_reserved;
+  USHORT gid_reserved;
+  ULONG first_inode;
+  USHORT inode_size;
+  USHORT block_group_number;
+  ULONG feature_compatibility;
+  ULONG feature_incompat;
+  ULONG feature_ro_compat;
+  ULONG unique_id[4];
+  char volume_name[16];
+  char last_mounted_on[64];
+  ULONG compression_info;
+};
+
+/* The ext2 blockgroup.  */
+struct ext2_block_group
+{
+  ULONG block_id;
+  ULONG inode_id;
+  ULONG inode_table_id;
+  USHORT free_blocks;
+  USHORT free_inodes;
+  USHORT used_dirs;
+  USHORT pad;
+  ULONG reserved[3];
+};
+
+/* The ext2 inode.  */
+struct ext2_inode
+{
+  USHORT mode;
+  USHORT uid;
+  ULONG size;
+  ULONG atime;
+  ULONG ctime;
+  ULONG mtime;
+  ULONG dtime;
+  USHORT gid;
+  USHORT nlinks;
+  ULONG blockcnt;  /* Blocks of 512 bytes!! */
+  ULONG flags;
+  ULONG osd1;
+  union
+  {
+    struct datablocks
+    {
+      ULONG dir_blocks[INDIRECT_BLOCKS];
+      ULONG indir_block;
+      ULONG double_indir_block;
+      ULONG tripple_indir_block;
+    } blocks;
+    char symlink[60];
+  };
+  ULONG version;
+  ULONG acl;
+  ULONG dir_acl;
+  ULONG fragment_addr;
+  ULONG osd2[3];
+};
+
+/* The header of an ext2 directory entry.  */
+#define EXT2_NAME_LEN 255
+
+struct ext2_dirent
+{
+  ULONG inode;
+  USHORT direntlen;
+  UCHAR namelen;
+  UCHAR filetype;
+  CHAR name[EXT2_NAME_LEN];
+};
 
 /*
- * The second extended filesystem constants/structures
+ * End of code from grub/fs/ext2.c
  */
 
-/*
- * Define EXT3FS_DEBUG to produce debug messages
- */
-#undef EXT3FS_DEBUG
-
-/*
- * Define EXT3_PREALLOCATE to preallocate data blocks for expanding files
- */
-#undef  EXT3_PREALLOCATE /* @@@ Fix this! */
-#define EXT3_DEFAULT_PREALLOC_BLOCKS	8
-
-/*
- * The second extended file system version
- */
-#define EXT3FS_DATE		"10 Jan 2002"
-#define EXT3FS_VERSION		"2.4-0.9.17"
-
-/*
- * Debug code
- */
-#ifdef EXT3FS_DEBUG
-#define ext3_debug(f, a...)						\
-	do {								\
-		printk (KERN_DEBUG "EXT3-fs DEBUG (%s, %d): %s:",	\
-			__FILE__, __LINE__, __FUNCTION__);		\
-		printk (KERN_DEBUG f, ## a);				\
-	} while (0)
-#else
-	#ifdef __GNUC__
-		#define ext3_debug(f, a...)	do {} while (0)
-	#else
-		#define ext3_debug
-	#endif
-#endif
-
-/*
- * Special inodes numbers
- */
-#define	EXT3_BAD_INO		 1	/* Bad blocks inode */
-#define EXT3_ROOT_INO		 2	/* Root inode */
-#define EXT3_ACL_IDX_INO	 3	/* ACL inode */
-#define EXT3_ACL_DATA_INO	 4	/* ACL inode */
-#define EXT3_BOOT_LOADER_INO	 5	/* Boot loader inode */
-#define EXT3_UNDEL_DIR_INO	 6	/* Undelete directory inode */
-#define EXT3_RESIZE_INO		 7	/* Reserved group descriptors inode */
-#define EXT3_JOURNAL_INO	 8	/* Journal inode */
-
-/* First non-reserved inode for old ext3 filesystems */
-#define EXT3_GOOD_OLD_FIRST_INO	11
-
-/*
- * The second extended file system magic number
- */
-#define EXT3_SUPER_MAGIC	0xEF53
-
-/*
- * Maximal count of links to a file
- */
-#define EXT3_LINK_MAX		32000
-
-/*
- * Macro-instructions used to manage several block sizes
- */
-#define EXT3_MIN_BLOCK_SIZE		1024
-#define	EXT3_MAX_BLOCK_SIZE		4096
-#define EXT3_MIN_BLOCK_LOG_SIZE		  10
-#ifdef __KERNEL__
-# define EXT3_BLOCK_SIZE(s)		((s)->s_blocksize)
-#else
-# define EXT3_BLOCK_SIZE(s)		(EXT3_MIN_BLOCK_SIZE << (s)->s_log_block_size)
-#endif
-#define EXT3_ACLE_PER_BLOCK(s)		(EXT3_BLOCK_SIZE(s) / sizeof (struct ext3_acl_entry))
-#define	EXT3_ADDR_PER_BLOCK(s)		(EXT3_BLOCK_SIZE(s) / sizeof (ULONG))
-#ifdef __KERNEL__
-# define EXT3_BLOCK_SIZE_BITS(s)	((s)->s_blocksize_bits)
-#else
-# define EXT3_BLOCK_SIZE_BITS(s)	((s)->s_log_block_size + 10)
-#endif
-#ifdef __KERNEL__
-#define	EXT3_ADDR_PER_BLOCK_BITS(s)	((s)->u.ext3_sb.s_addr_per_block_bits)
-#define EXT3_INODE_SIZE(s)		((s)->u.ext3_sb.s_inode_size)
-#define EXT3_FIRST_INO(s)		((s)->u.ext3_sb.s_first_ino)
-#else
-#define EXT3_INODE_SIZE(s)	(((s)->s_rev_level == EXT3_GOOD_OLD_REV) ? \
-				 EXT3_GOOD_OLD_INODE_SIZE : \
-				 (s)->s_inode_size)
-#define EXT3_FIRST_INO(s)	(((s)->s_rev_level == EXT3_GOOD_OLD_REV) ? \
-				 EXT3_GOOD_OLD_FIRST_INO : \
-				 (s)->s_first_ino)
-#endif
-
-/*
- * Macro-instructions used to manage fragments
- */
-#define EXT3_MIN_FRAG_SIZE		1024
-#define	EXT3_MAX_FRAG_SIZE		4096
-#define EXT3_MIN_FRAG_LOG_SIZE		  10
-#ifdef __KERNEL__
-# define EXT3_FRAG_SIZE(s)		((s)->u.ext3_sb.s_frag_size)
-# define EXT3_FRAGS_PER_BLOCK(s)	((s)->u.ext3_sb.s_frags_per_block)
-#else
-# define EXT3_FRAG_SIZE(s)		(EXT3_MIN_FRAG_SIZE << (s)->s_log_frag_size)
-# define EXT3_FRAGS_PER_BLOCK(s)	(EXT3_BLOCK_SIZE(s) / EXT3_FRAG_SIZE(s))
-#endif
-
-/*
- * ACL structures
- */
-struct ext3_acl_header	/* Header of Access Control Lists */
-{
-	ULONG	aclh_size;
-	ULONG	aclh_file_count;
-	ULONG	aclh_acle_count;
-	ULONG	aclh_first_acle;
-};
-
-struct ext3_acl_entry	/* Access Control List Entry */
-{
-	ULONG	acle_size;
-	USHORT	acle_perms;	/* Access permissions */
-	USHORT	acle_type;	/* Type of entry */
-	USHORT	acle_tag;	/* User or group identity */
-	USHORT	acle_pad1;
-	ULONG	acle_next;	/* Pointer on next entry for the */
-					/* same inode or on next free entry */
-};
-
-/*
- * Structure of a blocks group descriptor
- */
-struct ext3_group_desc
-{
-	ULONG	bg_block_bitmap;		/* Blocks bitmap block */
-	ULONG	bg_inode_bitmap;		/* Inodes bitmap block */
-	ULONG	bg_inode_table;		/* Inodes table block */
-	USHORT	bg_free_blocks_count;	/* Free blocks count */
-	USHORT	bg_free_inodes_count;	/* Free inodes count */
-	USHORT	bg_used_dirs_count;	/* Directories count */
-	USHORT	bg_pad;
-	ULONG	bg_reserved[3];
-};
-
-/*
- * Macro-instructions used to manage group descriptors
- */
-#ifdef __KERNEL__
-# define EXT3_BLOCKS_PER_GROUP(s)	((s)->u.ext3_sb.s_blocks_per_group)
-# define EXT3_DESC_PER_BLOCK(s)		((s)->u.ext3_sb.s_desc_per_block)
-# define EXT3_INODES_PER_GROUP(s)	((s)->u.ext3_sb.s_inodes_per_group)
-# define EXT3_DESC_PER_BLOCK_BITS(s)	((s)->u.ext3_sb.s_desc_per_block_bits)
-#else
-# define EXT3_BLOCKS_PER_GROUP(s)	((s)->s_blocks_per_group)
-# define EXT3_DESC_PER_BLOCK(s)		(EXT3_BLOCK_SIZE(s) / sizeof (struct ext3_group_desc))
-# define EXT3_INODES_PER_GROUP(s)	((s)->s_inodes_per_group)
-#endif
-
-/*
- * Constants relative to the data blocks
- */
-#define	EXT3_NDIR_BLOCKS		12
-#define	EXT3_IND_BLOCK			EXT3_NDIR_BLOCKS
-#define	EXT3_DIND_BLOCK			(EXT3_IND_BLOCK + 1)
-#define	EXT3_TIND_BLOCK			(EXT3_DIND_BLOCK + 1)
-#define	EXT3_N_BLOCKS			(EXT3_TIND_BLOCK + 1)
-
-/*
- * Inode flags
- */
-#define	EXT3_SECRM_FL			0x00000001 /* Secure deletion */
-#define	EXT3_UNRM_FL			0x00000002 /* Undelete */
-#define	EXT3_COMPR_FL			0x00000004 /* Compress file */
-#define EXT3_SYNC_FL			0x00000008 /* Synchronous updates */
-#define EXT3_IMMUTABLE_FL		0x00000010 /* Immutable file */
-#define EXT3_APPEND_FL			0x00000020 /* writes to file may only append */
-#define EXT3_NODUMP_FL			0x00000040 /* do not dump file */
-#define EXT3_NOATIME_FL			0x00000080 /* do not update atime */
-/* Reserved for compression usage... */
-#define EXT3_DIRTY_FL			0x00000100
-#define EXT3_COMPRBLK_FL		0x00000200 /* One or more compressed clusters */
-#define EXT3_NOCOMPR_FL			0x00000400 /* Don't compress */
-#define EXT3_ECOMPR_FL			0x00000800 /* Compression error */
-/* End compression flags --- maybe not all used */
-#define EXT3_INDEX_FL			0x00001000 /* hash-indexed directory */
-#define EXT3_IMAGIC_FL			0x00002000 /* AFS directory */
-#define EXT3_JOURNAL_DATA_FL		0x00004000 /* file data should be journaled */
-#define EXT3_RESERVED_FL		0x80000000 /* reserved for ext3 lib */
-
-#define EXT3_FL_USER_VISIBLE		0x00005FFF /* User visible flags */
-#define EXT3_FL_USER_MODIFIABLE		0x000000FF /* User modifiable flags */
-
-/*
- * Inode dynamic state flags
- */
-#define EXT3_STATE_JDATA		0x00000001 /* journaled data exists */
-#define EXT3_STATE_NEW			0x00000002 /* inode is newly created */
-
-/*
- * ioctl commands
- */
-#define	EXT3_IOC_GETFLAGS		_IOR('f', 1, long)
-#define	EXT3_IOC_SETFLAGS		_IOW('f', 2, long)
-#define	EXT3_IOC_GETVERSION		_IOR('f', 3, long)
-#define	EXT3_IOC_SETVERSION		_IOW('f', 4, long)
-#define	EXT3_IOC_GETVERSION_OLD		_IOR('v', 1, long)
-#define	EXT3_IOC_SETVERSION_OLD		_IOW('v', 2, long)
-#ifdef CONFIG_JBD_DEBUG
-#define EXT3_IOC_WAIT_FOR_READONLY	_IOR('f', 99, long)
-#endif
-
-/*
- * Structure of an inode on the disk
- */
-struct ext3_inode {
-	USHORT	i_mode;		/* File mode */
-	USHORT	i_uid;		/* Low 16 bits of Owner Uid */
-	ULONG	i_size;		/* Size in bytes */
-	ULONG	i_atime;	/* Access time */
-	ULONG	i_ctime;	/* Creation time */
-	ULONG	i_mtime;	/* Modification time */
-	ULONG	i_dtime;	/* Deletion Time */
-	USHORT	i_gid;		/* Low 16 bits of Group Id */
-	USHORT	i_links_count;	/* Links count */
-	ULONG	i_blocks;	/* Blocks count */
-	ULONG	i_flags;	/* File flags */
-	union {
-		struct {
-			ULONG  l_i_reserved1;
-		} linux1;
-		struct {
-			ULONG  h_i_translator;
-		} hurd1;
-		struct {
-			ULONG  m_i_reserved1;
-		} masix1;
-	} osd1;				/* OS dependent 1 */
-	ULONG	i_block[EXT3_N_BLOCKS];/* Pointers to blocks */
-	ULONG	i_generation;	/* File version (for NFS) */
-	ULONG	i_file_acl;	/* File ACL */
-	ULONG	i_dir_acl;	/* Directory ACL */
-	ULONG	i_faddr;	/* Fragment address */
-	union {
-		struct {
-			UCHAR	l_i_frag;	/* Fragment number */
-			UCHAR	l_i_fsize;	/* Fragment size */
-			USHORT	i_pad1;
-			USHORT	l_i_uid_high;	/* these 2 fields    */
-			USHORT	l_i_gid_high;	/* were reserved2[0] */
-			ULONG	l_i_reserved2;
-		} linux2;
-		struct {
-			UCHAR	h_i_frag;	/* Fragment number */
-			UCHAR	h_i_fsize;	/* Fragment size */
-			USHORT	h_i_mode_high;
-			USHORT	h_i_uid_high;
-			USHORT	h_i_gid_high;
-			ULONG	h_i_author;
-		} hurd2;
-		struct {
-			UCHAR	m_i_frag;	/* Fragment number */
-			UCHAR	m_i_fsize;	/* Fragment size */
-			USHORT	m_pad1;
-			ULONG	m_i_reserved2[2];
-		} masix2;
-	} osd2;				/* OS dependent 2 */
-};
-
-#define i_size_high	i_dir_acl
-
-#if defined(__KERNEL__) || defined(__linux__)
-#define i_reserved1	osd1.linux1.l_i_reserved1
-#define i_frag		osd2.linux2.l_i_frag
-#define i_fsize		osd2.linux2.l_i_fsize
-#define i_uid_low	i_uid
-#define i_gid_low	i_gid
-#define i_uid_high	osd2.linux2.l_i_uid_high
-#define i_gid_high	osd2.linux2.l_i_gid_high
-#define i_reserved2	osd2.linux2.l_i_reserved2
-
-#elif defined(__GNU__)
-
-#define i_translator	osd1.hurd1.h_i_translator
-#define i_frag		osd2.hurd2.h_i_frag;
-#define i_fsize		osd2.hurd2.h_i_fsize;
-#define i_uid_high	osd2.hurd2.h_i_uid_high
-#define i_gid_high	osd2.hurd2.h_i_gid_high
-#define i_author	osd2.hurd2.h_i_author
-
-#elif defined(__masix__)
-
-#define i_reserved1	osd1.masix1.m_i_reserved1
-#define i_frag		osd2.masix2.m_i_frag
-#define i_fsize		osd2.masix2.m_i_fsize
-#define i_reserved2	osd2.masix2.m_i_reserved2
-
-#endif /* defined(__KERNEL__) || defined(__linux__) */
-
-/*
- * File system states
- */
-#define	EXT3_VALID_FS			0x0001	/* Unmounted cleanly */
-#define	EXT3_ERROR_FS			0x0002	/* Errors detected */
-#define	EXT3_ORPHAN_FS			0x0004	/* Orphans being recovered */
-
-/*
- * Mount flags
- */
-#define EXT3_MOUNT_CHECK		0x0001	/* Do mount-time checks */
-#define EXT3_MOUNT_GRPID		0x0004	/* Create files with directory's group */
-#define EXT3_MOUNT_DEBUG		0x0008	/* Some debugging messages */
-#define EXT3_MOUNT_ERRORS_CONT		0x0010	/* Continue on errors */
-#define EXT3_MOUNT_ERRORS_RO		0x0020	/* Remount fs ro on errors */
-#define EXT3_MOUNT_ERRORS_PANIC		0x0040	/* Panic on errors */
-#define EXT3_MOUNT_MINIX_DF		0x0080	/* Mimics the Minix statfs */
-#define EXT3_MOUNT_NOLOAD		0x0100	/* Don't use existing journal*/
-#define EXT3_MOUNT_ABORT		0x0200	/* Fatal error detected */
-#define EXT3_MOUNT_DATA_FLAGS		0x0C00	/* Mode for data writes: */
-  #define EXT3_MOUNT_JOURNAL_DATA	0x0400	/* Write data to journal */
-  #define EXT3_MOUNT_ORDERED_DATA	0x0800	/* Flush data before commit */
-  #define EXT3_MOUNT_WRITEBACK_DATA	0x0C00	/* No data ordering */
-#define EXT3_MOUNT_UPDATE_JOURNAL	0x1000	/* Update the journal format */
-#define EXT3_MOUNT_NO_UID32		0x2000  /* Disable 32-bit UIDs */
-
-/* Compatibility, for having both ext2_fs.h and ext3_fs.h included at once */
-#ifndef _LINUX_EXT2_FS_H
-#define clear_opt(o, opt)		o &= ~EXT3_MOUNT_##opt
-#define set_opt(o, opt)			o |= EXT3_MOUNT_##opt
-#define test_opt(sb, opt)		((sb)->u.ext3_sb.s_mount_opt & \
-					 EXT3_MOUNT_##opt)
-#else
-#define EXT2_MOUNT_NOLOAD		EXT3_MOUNT_NOLOAD
-#define EXT2_MOUNT_ABORT		EXT3_MOUNT_ABORT
-#endif
-
-#define ext3_set_bit			ext2_set_bit
-#define ext3_clear_bit			ext2_clear_bit
-#define ext3_test_bit			ext2_test_bit
-#define ext3_find_first_zero_bit	ext2_find_first_zero_bit
-#define ext3_find_next_zero_bit		ext2_find_next_zero_bit
-
-/*
- * Maximal mount counts between two filesystem checks
- */
-#define EXT3_DFL_MAX_MNT_COUNT		20	/* Allow 20 mounts */
-#define EXT3_DFL_CHECKINTERVAL		0	/* Don't use interval check */
-
-/*
- * Behaviour when detecting errors
- */
-#define EXT3_ERRORS_CONTINUE		1	/* Continue execution */
-#define EXT3_ERRORS_RO			2	/* Remount fs read-only */
-#define EXT3_ERRORS_PANIC		3	/* Panic */
-#define EXT3_ERRORS_DEFAULT		EXT3_ERRORS_CONTINUE
-
-/*
- * Structure of the super block
- */
-struct ext3_super_block {
-/*00*/	ULONG	s_inodes_count;		/* Inodes count */
-	ULONG	s_blocks_count;		/* Blocks count */
-	ULONG	s_r_blocks_count;	/* Reserved blocks count */
-	ULONG	s_free_blocks_count;	/* Free blocks count */
-/*10*/	ULONG	s_free_inodes_count;	/* Free inodes count */
-	ULONG	s_first_data_block;	/* First Data Block */
-	ULONG	s_log_block_size;	/* Block size */
-	LONG	s_log_frag_size;	/* Fragment size */
-/*20*/	ULONG	s_blocks_per_group;	/* # Blocks per group */
-	ULONG	s_frags_per_group;	/* # Fragments per group */
-	ULONG	s_inodes_per_group;	/* # Inodes per group */
-	ULONG	s_mtime;		/* Mount time */
-/*30*/	ULONG	s_wtime;		/* Write time */
-	USHORT	s_mnt_count;		/* Mount count */
-	SHORT	s_max_mnt_count;	/* Maximal mount count */
-	USHORT	s_magic;		/* Magic signature */
-	USHORT	s_state;		/* File system state */
-	USHORT	s_errors;		/* Behaviour when detecting errors */
-	USHORT	s_minor_rev_level;	/* minor revision level */
-/*40*/	ULONG	s_lastcheck;		/* time of last check */
-	ULONG	s_checkinterval;	/* max. time between checks */
-	ULONG	s_creator_os;		/* OS */
-	ULONG	s_rev_level;		/* Revision level */
-/*50*/	USHORT	s_def_resuid;		/* Default uid for reserved blocks */
-	USHORT	s_def_resgid;		/* Default gid for reserved blocks */
-	/*
-	 * These fields are for EXT3_DYNAMIC_REV superblocks only.
-	 *
-	 * Note: the difference between the compatible feature set and
-	 * the incompatible feature set is that if there is a bit set
-	 * in the incompatible feature set that the kernel doesn't
-	 * know about, it should refuse to mount the filesystem.
-	 *
-	 * e2fsck's requirements are more strict; if it doesn't know
-	 * about a feature in either the compatible or incompatible
-	 * feature set, it must abort and not try to meddle with
-	 * things it doesn't understand...
-	 */
-	ULONG	s_first_ino;		/* First non-reserved inode */
-	USHORT   s_inode_size;		/* size of inode structure */
-	USHORT	s_block_group_nr;	/* block group # of this superblock */
-	ULONG	s_feature_compat;	/* compatible feature set */
-/*60*/	ULONG	s_feature_incompat;	/* incompatible feature set */
-	ULONG	s_feature_ro_compat;	/* readonly-compatible feature set */
-/*68*/	UCHAR	s_uuid[16];		/* 128-bit uuid for volume */
-/*78*/	char	s_volume_name[16];	/* volume name */
-/*88*/	char	s_last_mounted[64];	/* directory where last mounted */
-/*C8*/	ULONG	s_algorithm_usage_bitmap; /* For compression */
-	/*
-	 * Performance hints.  Directory preallocation should only
-	 * happen if the EXT3_FEATURE_COMPAT_DIR_PREALLOC flag is on.
-	 */
-	UCHAR	s_prealloc_blocks;	/* Nr of blocks to try to preallocate*/
-	UCHAR	s_prealloc_dir_blocks;	/* Nr to preallocate for dirs */
-	USHORT	s_padding1;
-	/*
-	 * Journaling support valid if EXT3_FEATURE_COMPAT_HAS_JOURNAL set.
-	 */
-/*D0*/	UCHAR	s_journal_uuid[16];	/* uuid of journal superblock */
-/*E0*/	ULONG	s_journal_inum;		/* inode number of journal file */
-	ULONG	s_journal_dev;		/* device number of journal file */
-	ULONG	s_last_orphan;		/* start of list of inodes to delete */
-
-/*EC*/	ULONG	s_reserved[197];	/* Padding to the end of the block */
-};
-
-#ifdef __KERNEL__
-#define EXT3_SB(sb)	(&((sb)->u.ext3_sb))
-#define EXT3_I(inode)	(&((inode)->u.ext3_i))
-#else
-/* Assume that user mode programs are passing in an ext3fs superblock, not
- * a kernel struct super_block.  This will allow us to call the feature-test
- * macros from user land. */
-#define EXT3_SB(sb)	(sb)
-#endif
-
-#define NEXT_ORPHAN(inode) (inode)->u.ext3_i.i_dtime
-
-/*
- * Codes for operating systems
- */
-#define EXT3_OS_LINUX		0
-#define EXT3_OS_HURD		1
-#define EXT3_OS_MASIX		2
-#define EXT3_OS_FREEBSD		3
-#define EXT3_OS_LITES		4
-
-/*
- * Revision levels
- */
-#define EXT3_GOOD_OLD_REV	0	/* The good old (original) format */
-#define EXT3_DYNAMIC_REV	1	/* V2 format w/ dynamic inode sizes */
-
-#define EXT3_CURRENT_REV	EXT3_GOOD_OLD_REV
-#define EXT3_MAX_SUPP_REV	EXT3_DYNAMIC_REV
-
-#define EXT3_GOOD_OLD_INODE_SIZE 128
-
-/*
- * Feature set definitions
- */
-
-#define EXT3_HAS_COMPAT_FEATURE(sb,mask)			\
-	( EXT3_SB(sb)->s_es->s_feature_compat & cpu_to_le32(mask) )
-#define EXT3_HAS_RO_COMPAT_FEATURE(sb,mask)			\
-	( EXT3_SB(sb)->s_es->s_feature_ro_compat & cpu_to_le32(mask) )
-#define EXT3_HAS_INCOMPAT_FEATURE(sb,mask)			\
-	( EXT3_SB(sb)->s_es->s_feature_incompat & cpu_to_le32(mask) )
-#define EXT3_SET_COMPAT_FEATURE(sb,mask)			\
-	EXT3_SB(sb)->s_es->s_feature_compat |= cpu_to_le32(mask)
-#define EXT3_SET_RO_COMPAT_FEATURE(sb,mask)			\
-	EXT3_SB(sb)->s_es->s_feature_ro_compat |= cpu_to_le32(mask)
-#define EXT3_SET_INCOMPAT_FEATURE(sb,mask)			\
-	EXT3_SB(sb)->s_es->s_feature_incompat |= cpu_to_le32(mask)
-#define EXT3_CLEAR_COMPAT_FEATURE(sb,mask)			\
-	EXT3_SB(sb)->s_es->s_feature_compat &= ~cpu_to_le32(mask)
-#define EXT3_CLEAR_RO_COMPAT_FEATURE(sb,mask)			\
-	EXT3_SB(sb)->s_es->s_feature_ro_compat &= ~cpu_to_le32(mask)
-#define EXT3_CLEAR_INCOMPAT_FEATURE(sb,mask)			\
-	EXT3_SB(sb)->s_es->s_feature_incompat &= ~cpu_to_le32(mask)
-
-#define EXT3_FEATURE_COMPAT_DIR_PREALLOC	0x0001
-#define EXT3_FEATURE_COMPAT_IMAGIC_INODES	0x0002
-#define EXT3_FEATURE_COMPAT_HAS_JOURNAL		0x0004
-#define EXT3_FEATURE_COMPAT_EXT_ATTR		0x0008
-#define EXT3_FEATURE_COMPAT_RESIZE_INODE	0x0010
-#define EXT3_FEATURE_COMPAT_DIR_INDEX		0x0020
-
-#define EXT3_FEATURE_RO_COMPAT_SPARSE_SUPER	0x0001
-#define EXT3_FEATURE_RO_COMPAT_LARGE_FILE	0x0002
-#define EXT3_FEATURE_RO_COMPAT_BTREE_DIR	0x0004
-
-#define EXT3_FEATURE_INCOMPAT_COMPRESSION	0x0001
-#define EXT3_FEATURE_INCOMPAT_FILETYPE		0x0002
-#define EXT3_FEATURE_INCOMPAT_RECOVER		0x0004 /* Needs recovery */
-#define EXT3_FEATURE_INCOMPAT_JOURNAL_DEV	0x0008 /* Journal device */
-
-#define EXT3_FEATURE_COMPAT_SUPP	0
-/*#define EXT3_FEATURE_INCOMPAT_SUPP	(EXT3_FEATURE_INCOMPAT_FILETYPE| \
-					 EXT3_FEATURE_INCOMPAT_RECOVER)*/
-#define EXT3_FEATURE_INCOMPAT_SUPP	(EXT3_FEATURE_INCOMPAT_FILETYPE)
-#define EXT3_FEATURE_RO_COMPAT_SUPP	(EXT3_FEATURE_RO_COMPAT_SPARSE_SUPER| \
-					 EXT3_FEATURE_RO_COMPAT_LARGE_FILE| \
-					 EXT3_FEATURE_RO_COMPAT_BTREE_DIR)
-
-/*
- * Default values for user and/or group using reserved blocks
- */
-#define	EXT3_DEF_RESUID		0
-#define	EXT3_DEF_RESGID		0
-
-/*
- * Structure of a directory entry
- */
-#define EXT3_NAME_LEN 255
-
-struct ext3_dir_entry {
-	ULONG	inode;			/* Inode number */
-	USHORT	rec_len;		/* Directory entry length */
-	USHORT	name_len;		/* Name length */
-	CHAR	name[EXT3_NAME_LEN];	/* File name */
-};
-
-/*
- * The new version of the directory entry.  Since EXT3 structures are
- * stored in intel byte order, and the name_len field could never be
- * bigger than 255 chars, it's safe to reclaim the extra byte for the
- * file_type field.
- */
-struct ext3_dir_entry_2 {
-	ULONG	inode;			/* Inode number */
-	USHORT	rec_len;		/* Directory entry length */
-	UCHAR	name_len;		/* Name length */
-	UCHAR	file_type;
-	CHAR	name[EXT3_NAME_LEN];	/* File name */
-};
-
-/*
- * Ext3 directory file types.  Only the low 3 bits are used.  The
- * other bits are reserved for now.
- */
-#define EXT3_FT_UNKNOWN		0
-#define EXT3_FT_REG_FILE	1
-#define EXT3_FT_DIR		2
-#define EXT3_FT_CHRDEV		3
-#define EXT3_FT_BLKDEV		4
-#define EXT3_FT_FIFO		5
-#define EXT3_FT_SOCK		6
-#define EXT3_FT_SYMLINK		7
-
-#define EXT3_FT_MAX		8
-
-/*
- * EXT3_DIR_PAD defines the directory entries boundaries
- *
- * NOTE: It must be a multiple of 4
- */
-#define EXT3_DIR_PAD			4
-#define EXT3_DIR_ROUND			(EXT3_DIR_PAD - 1)
-#define EXT3_DIR_REC_LEN(name_len)	(((name_len) + 8 + EXT3_DIR_ROUND) & \
-					 ~EXT3_DIR_ROUND)
-
-#ifdef __KERNEL__
-/*
- * Describe an inode's exact location on disk and in memory
- */
-struct ext3_iloc
-{
-	struct buffer_head *bh;
-	struct ext3_inode *raw_inode;
-	unsigned long block_group;
-};
-
-
-
-#endif	/* __KERNEL__ */
-
-#endif	/* _LINUX_EXT3_FS_H */
-
-
-
-typedef struct ext3_super_block	EXT2_SUPER_BLOCK, *PEXT2_SUPER_BLOCK;
-typedef struct ext3_inode		EXT2_INODE, *PEXT2_INODE;
-typedef struct ext3_group_desc	EXT2_GROUP_DESC, *PEXT2_GROUP_DESC;
-typedef struct ext3_dir_entry_2	EXT2_DIR_ENTRY, *PEXT2_DIR_ENTRY;
-
-// EXT2_INODE::i_mode values
+typedef struct ext2_sblock		EXT2_SUPER_BLOCK, *PEXT2_SUPER_BLOCK;
+typedef struct ext2_inode		EXT2_INODE, *PEXT2_INODE;
+typedef struct ext2_block_group		EXT2_GROUP_DESC, *PEXT2_GROUP_DESC;
+typedef struct ext2_dirent		EXT2_DIR_ENTRY, *PEXT2_DIR_ENTRY;
+
+/* Special inode numbers.  */
+#define EXT2_ROOT_INO		2
+
+/* Feature set definitions.  */
+#define EXT3_FEATURE_INCOMPAT_SUPP	0x0002
+
+/* Log2 size of ext2 block in bytes.  */
+#define LOG2_BLOCK_SIZE(sb)	(sb->log2_block_size + 10)
+
+/* The size of an ext2 block in bytes.  */
+#define EXT2_BLOCK_SIZE(sb)	(1 << LOG2_BLOCK_SIZE(sb))
+
+/* The revision level.  */
+#define EXT2_REVISION(sb)	(sb->revision_level)
+
+/* The inode size.  */
+#define EXT2_INODE_SIZE(sb)	(EXT2_REVISION(sb) == EXT2_GOOD_OLD_REVISION \
+				? EXT2_GOOD_OLD_INODE_SIZE \
+				: sb->inode_size)
+
+#define EXT2_DESC_PER_BLOCK(s)	(EXT2_BLOCK_SIZE(s) / sizeof(struct ext2_block_group))
+
+// EXT2_INODE::mode values
 #define EXT2_S_IRWXO	0x0007	// Other mask
 #define EXT2_S_IXOTH	0x0001	// ---------x execute
 #define EXT2_S_IWOTH	0x0002	// --------w- write
@@ -657,15 +224,15 @@
 #define EXT2_S_IFLNK	0xA000	// Symbolic link
 #define EXT2_S_IFSOCK	0xC000	// Socket
 
-#define FAST_SYMLINK_MAX_NAME_SIZE	(EXT3_N_BLOCKS * sizeof(ULONG)) /* 60 bytes */
+#define FAST_SYMLINK_MAX_NAME_SIZE	60
 
 typedef struct
 {
-	ULONGLONG			FileSize;			// File size
-	ULONGLONG			FilePointer;		// File pointer
+	ULONGLONG	FileSize;		// File size
+	ULONGLONG	FilePointer;		// File pointer
 	ULONG*		FileBlockList;		// File block list
-	UCHAR			DriveNumber;		// Drive number of open file
-	EXT2_INODE	Inode;				// File's inode
+	UCHAR		DriveNumber;		// Drive number of open file
+	EXT2_INODE	Inode;			// File's inode
 } EXT2_FILE_INFO, * PEXT2_FILE_INFO;
 
 const DEVVTBL* Ext2Mount(ULONG DeviceId);