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42d9f18cae
This should be reimplemented with proper paging support. This approach was mostly just chewing kmalloc memory.
29 lines
727 B
C++
29 lines
727 B
C++
#pragma once
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#include "FileSystem.h"
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#include <AK/ByteBuffer.h>
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class DiskBackedFS : public FS {
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public:
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virtual ~DiskBackedFS() override;
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DiskDevice& device() { return *m_device; }
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const DiskDevice& device() const { return *m_device; }
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size_t blockSize() const { return m_blockSize; }
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protected:
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explicit DiskBackedFS(RetainPtr<DiskDevice>&&);
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void setBlockSize(unsigned);
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ByteBuffer readBlock(unsigned index) const;
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ByteBuffer readBlocks(unsigned index, unsigned count) const;
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bool writeBlock(unsigned index, const ByteBuffer&);
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bool writeBlocks(unsigned index, unsigned count, const ByteBuffer&);
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private:
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size_t m_blockSize { 0 };
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RetainPtr<DiskDevice> m_device;
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};
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