reactos/drivers/filesystems/fs_rec/ext2.h

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/*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS File System Recognizer
* FILE: drivers/filesystems/fs_rec/ext2.h
* PURPOSE: EXT2 Header File
* PROGRAMMER: Pierre Schweitzer (pierre@reactos.org)
*/
#include <pshpack1.h>
typedef struct _EXT2_SUPER_BLOCK {
ULONG InodesCount;
ULONG BlocksCount;
ULONG ReservedBlocksCount;
ULONG FreeBlocksCount;
ULONG FreeInodesCount;
ULONG FirstDataBlock;
ULONG LogBlockSize;
LONG LogFragSize;
ULONG BlocksPerGroup;
ULONG FragsPerGroup;
ULONG InodesPerGroup;
ULONG MountTime;
ULONG WriteTime;
USHORT MountCount;
SHORT MaxMountCount;
USHORT Magic;
USHORT State;
USHORT Errors;
USHORT MinorRevLevel;
ULONG LastCheck;
ULONG CheckInterval;
ULONG CreatorOS;
ULONG RevLevel;
USHORT DefResUid;
USHORT DefResGid;
// Partial
} EXT2_SUPER_BLOCK, *PEXT2_SUPER_BLOCK;
#include <poppack.h>
C_ASSERT(FIELD_OFFSET(EXT2_SUPER_BLOCK, FreeInodesCount) == 0x10);
C_ASSERT(FIELD_OFFSET(EXT2_SUPER_BLOCK, BlocksPerGroup) == 0x20);
C_ASSERT(FIELD_OFFSET(EXT2_SUPER_BLOCK, WriteTime) == 0x30);
C_ASSERT(FIELD_OFFSET(EXT2_SUPER_BLOCK, LastCheck) == 0x40);
C_ASSERT(FIELD_OFFSET(EXT2_SUPER_BLOCK, DefResUid) == 0x50);
#define EXT2_SUPER_MAGIC 0xEF53
#define EXT2_SB_OFFSET 0x400
#define EXT2_SB_SIZE 0x400