41 lines
791 B
C++
41 lines
791 B
C++
#ifndef __MAPPED_BLOCK_CACHE_H__
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#define __MAPPED_BLOCK_CACHE_H__
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#include <Cache/BlockCache.h>
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namespace Device {
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class MappedBlockCache : public BlockCache {
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public:
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static BlockCachePointer Create(BlockDevicePointer device, void *data);
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virtual ~MappedBlockCache();
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virtual void sync();
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virtual void write(unsigned block, const void *vp);
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virtual void zeroBlock(unsigned block);
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virtual void *acquire(unsigned block);
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virtual void release(unsigned block, int flags);
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virtual void markDirty(unsigned block);
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// public so make_shared can access it.
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MappedBlockCache(BlockDevicePointer device, void *data);
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private:
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void sync(unsigned block);
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uint8_t *_data;
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bool _dirty;
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};
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} // namespace
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#endif
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