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Kernel: Split InodeVMObject into two subclasses
We now have PrivateInodeVMObject and SharedInodeVMObject, corresponding to MAP_PRIVATE and MAP_SHARED respectively. Note that PrivateInodeVMObject is not used yet.
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07a26aece3
commit
651417a085
9 changed files with 371 additions and 166 deletions
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@ -28,45 +28,24 @@
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#include <AK/Bitmap.h>
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#include <Kernel/UnixTypes.h>
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#include <Kernel/VM/VMObject.h>
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#include <Kernel/VM/InodeVMObject.h>
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namespace Kernel {
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class SharedInodeVMObject final : public VMObject {
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class SharedInodeVMObject final : public InodeVMObject {
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AK_MAKE_NONMOVABLE(SharedInodeVMObject);
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public:
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virtual ~SharedInodeVMObject() override;
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static NonnullRefPtr<SharedInodeVMObject> create_with_inode(Inode&);
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virtual NonnullRefPtr<VMObject> clone() override;
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Inode& inode() { return *m_inode; }
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const Inode& inode() const { return *m_inode; }
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void inode_contents_changed(Badge<Inode>, off_t, ssize_t, const u8*);
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void inode_size_changed(Badge<Inode>, size_t old_size, size_t new_size);
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size_t amount_dirty() const;
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size_t amount_clean() const;
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int release_all_clean_pages();
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u32 writable_mappings() const;
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u32 executable_mappings() const;
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private:
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explicit SharedInodeVMObject(Inode&, size_t);
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explicit SharedInodeVMObject(const SharedInodeVMObject&);
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SharedInodeVMObject& operator=(const SharedInodeVMObject&) = delete;
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SharedInodeVMObject& operator=(SharedInodeVMObject&&) = delete;
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SharedInodeVMObject(SharedInodeVMObject&&) = delete;
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virtual bool is_inode() const override { return true; }
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int release_all_clean_pages_impl();
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NonnullRefPtr<Inode> m_inode;
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Bitmap m_dirty_pages;
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};
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}
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