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Remove the cheesy block cache from DiskBackedFS.

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This should be reimplemented with proper paging support. This approach was
mostly just chewing kmalloc memory.
This commit is contained in:
Andreas Kling 2019-01-01 02:27:05 +01:00
parent 4b6a8f8a08
commit 42d9f18cae
3 changed files with 1 additions and 37 deletions
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6
VirtualFileSystem/DiskBackedFileSystem.h
View file

@ -2,8 +2,6 @@
#include "FileSystem.h"
#include <AK/ByteBuffer.h>
#include <AK/HashMap.h>
#include <AK/Lock.h>
class DiskBackedFS : public FS {
public:
@ -18,7 +16,6 @@ protected:
explicit DiskBackedFS(RetainPtr<DiskDevice>&&);
void setBlockSize(unsigned);
void invalidateCaches();
ByteBuffer readBlock(unsigned index) const;
ByteBuffer readBlocks(unsigned index, unsigned count) const;
@ -29,7 +26,4 @@ protected:
private:
size_t m_blockSize { 0 };
RetainPtr<DiskDevice> m_device;
mutable SpinLock m_blockCacheLock;
mutable HashMap<unsigned, ByteBuffer> m_blockCache;
};