LinnSuperBlock.h

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/*
 * Copyright (C) 2009 Niek Linnenbank
 *
 * 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 3 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 this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
#ifndef __FILESYSTEM_LINNSUPERBLOCK_H
#define __FILESYSTEM_LINNSUPERBLOCK_H
 
#include <Types.h>
 
#define LINN_SUPER_MAGIC0       0x4c696e6e
 
#define LINN_SUPER_MAGIC1       0x512ea9b0
 
#define LINN_SUPER_MAJOR        1
 
#define LINN_SUPER_MINOR        0
 
#define LINN_SUPER_VALID        0
 
#define LINN_SUPER_UNCLEAN      1
 
#define LINN_SUPER_CORRUPT      2
 
#define LINN_SUPER_OFFSET       1024
 
#define LINN_SUPER_NUM_PTRS(sb) \
    ((sb)->blockSize / sizeof(u32))
 
typedef struct LinnSuperBlock
{
    le32 magic0;                
    le32 magic1;                
    le16 majorRevision;         
    le16 minorRevision;         
    le16 state;                 
    le32 blockSize;             
    le32 blocksPerGroup;        
    le32 inodesPerGroup;        
    le32 inodesCount;           
    le32 blocksCount;           
    le32 freeBlocksCount;       
    le32 freeInodesCount;       
    le32 creationTime;          
    le32 mountTime;             
    le16 mountCount;            
    le32 lastCheck;             
    le32 groupsTable;           
}
LinnSuperBlock;
 
#endif /* __FILESYSTEM_LINNSUPERBLOCK_H */