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/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/Bitmap.h>
#include <Kernel/Memory/VMObject.h>
#include <Kernel/UnixTypes.h>
namespace Kernel::Memory {
class InodeVMObject : public VMObject {
public:
virtual ~InodeVMObject() override;
Inode& inode() { return *m_inode; }
Inode const& inode() const { return *m_inode; }
size_t amount_dirty() const;
size_t amount_clean() const;
int release_all_clean_pages();
int try_release_clean_pages(int page_amount);
u32 writable_mappings() const;
protected:
explicit InodeVMObject(Inode&, FixedArray<RefPtr<PhysicalPage>>&&, Bitmap dirty_pages);
explicit InodeVMObject(InodeVMObject const&, FixedArray<RefPtr<PhysicalPage>>&&, Bitmap dirty_pages);
InodeVMObject& operator=(InodeVMObject const&) = delete;
InodeVMObject& operator=(InodeVMObject&&) = delete;
InodeVMObject(InodeVMObject&&) = delete;
virtual bool is_inode() const final { return true; }
NonnullLockRefPtr<Inode> m_inode;
Bitmap m_dirty_pages;
};
}
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