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https://github.com/CloverHackyColor/CloverBootloader.git
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89 lines
2.4 KiB
C
89 lines
2.4 KiB
C
/**
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* \file fsw_reiserfs.h
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* ReiserFS file system driver header.
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*/
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/*-
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* Copyright (c) 2006 Christoph Pfisterer
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifndef _FSW_REISERFS_H_
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#define _FSW_REISERFS_H_
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#define VOLSTRUCTNAME fsw_reiserfs_volume
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#define DNODESTRUCTNAME fsw_reiserfs_dnode
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#include "fsw_core.h"
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#include "fsw_reiserfs_disk.h"
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//! Block size (in shift bits) to be used when reading the reiserfs superblock.
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#define REISERFS_SUPERBLOCK_BLOCKSIZEBITS 12
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//! Block size (in bytes) to be used when reading the reiserfs superblock.
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#define REISERFS_SUPERBLOCK_BLOCKSIZE (1<<REISERFS_SUPERBLOCK_BLOCKSIZEBITS)
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/**
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* ReiserFS: Results from a tree search.
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*/
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struct fsw_reiserfs_item {
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int valid;
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// the found item
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struct item_head ih;
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fsw_u64 item_offset;
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fsw_u32 item_type;
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fsw_u8 *item_data;
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// path information
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fsw_u32 path_bno[MAX_HEIGHT];
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fsw_u32 path_index[MAX_HEIGHT];
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// block release information
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fsw_u32 block_bno;
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void *block_buffer;
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};
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/**
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* ReiserFS: Volume structure with reiserfs-specific data.
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*/
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struct fsw_reiserfs_volume {
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struct fsw_volume g; //!< Generic volume structure
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struct reiserfs_super_block *sb; //!< Full raw reiserfs superblock structure
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int version; //!< Flag for 3.5 or 3.6 format
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};
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/**
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* ReiserFS: Dnode structure with reiserfs-specific data.
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*/
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struct fsw_reiserfs_dnode {
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struct fsw_dnode g; //!< Generic dnode structure
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fsw_u32 dir_id; //!< Locality ID for the reiserfs tree (parent dir id)
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struct stat_data_v1 *sd_v1; //!< Full stat_data, version 1
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struct stat_data *sd_v2; //!< Full stat_data, version 2
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};
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#endif
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