51 lines
1.5 KiB
C++
51 lines
1.5 KiB
C++
#ifndef FS_HPP
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#define FS_HPP
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#include "fs/datablock_manager.hpp"
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#include "fs/fs_data_types.hpp"
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#include "fs/inode_manager.hpp"
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#include "fs_constants.hpp"
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#include "rawdisk.hpp"
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// TEMP:
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class DatablockOperation;
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class Fs {
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public:
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Fs(RawDisk *disk);
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~Fs();
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int allocate_datablock(INode_Data *inode_data, u_int64_t *datablock_num);
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int deallocate_datablock(INode_Data *inode_data, u_int64_t *datablock_num);
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ssize_t read(INode_Data *inode_data, char buf[], size_t count, size_t offset);
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ssize_t write(INode_Data *inode_data, char buf[], size_t count,
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size_t offset);
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int sweep_inode_datablocks(INode_Data *inode_data,
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u_int64_t start_block_index, bool allocate,
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DatablockOperation *op);
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int sweep_datablocks(u_int64_t *block_num, int indirect_num,
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u_int64_t start_block_index, bool allocate,
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DatablockOperation *op);
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int format();
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// should probably be private but is not for testing
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RawDisk *disk;
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SuperBlock_Data superblock;
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INode_Manager *inode_manager;
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DataBlock_Manager *datablock_manager;
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int load_superblock();
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int save_superblock();
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int save_free_list_head(u_int64_t new_free_list_head);
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int save_inode_list_head(u_int64_t new_inode_list_head);
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int allocate_indirect(u_int64_t *storage, int n, u_int64_t *datablock_num);
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int deallocate_indirect(u_int64_t *storage, int n, u_int64_t *datablock_num);
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};
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#endif |