LinnInode.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_LINN_INODE_H
#define __FILESYSTEM_LINN_INODE_H
 
#include <Types.h>
 
#define LINN_INODE_ROOT         0
 
#define LINN_INODE_DIR_BLOCKS   4
 
#define LINN_INODE_IND_BLOCKS   (LINN_INODE_DIR_BLOCKS  + 1)
 
#define LINN_INODE_DIND_BLOCKS  (LINN_INODE_IND_BLOCKS  + 1)
 
#define LINN_INODE_TIND_BLOCKS  (LINN_INODE_DIND_BLOCKS + 1)
 
#define LINN_INODE_BLOCKS       (LINN_INODE_TIND_BLOCKS + 1)
 
#define LINN_INODE_NUM_BLOCKS(super,inode) \
    ((inode)->size % (super)->blockSize ? \
     (inode)->size / (super)->blockSize + 1 : \
     (inode)->size / (super)->blockSize)
 
typedef struct LinnInode
{
    le16 type:3;        
    le16 mode:13;       
    le16 uid;           
    le16 gid;           
    le32 size;          
    le32 accessTime;    
    le32 createTime;    
    le32 modifyTime;    
    le32 changeTime;    
    le16 links;         
    le32 block[LINN_INODE_BLOCKS]; 
}
LinnInode;
 
#endif /* __FILESYSTEM_LINN_INODE_H */