SharedInodeVMObject.cpp 910 B

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  1. /*
  2. * Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
  3. *
  4. * SPDX-License-Identifier: BSD-2-Clause
  5. */
  6. #include <Kernel/FileSystem/Inode.h>
  7. #include <Kernel/VM/SharedInodeVMObject.h>
  8. namespace Kernel {
  9. NonnullRefPtr<SharedInodeVMObject> SharedInodeVMObject::create_with_inode(Inode& inode)
  10. {
  11. size_t size = inode.size();
  12. if (auto shared_vmobject = inode.shared_vmobject())
  13. return shared_vmobject.release_nonnull();
  14. auto vmobject = adopt_ref(*new SharedInodeVMObject(inode, size));
  15. vmobject->inode().set_shared_vmobject(*vmobject);
  16. return vmobject;
  17. }
  18. RefPtr<VMObject> SharedInodeVMObject::clone()
  19. {
  20. return adopt_ref(*new SharedInodeVMObject(*this));
  21. }
  22. SharedInodeVMObject::SharedInodeVMObject(Inode& inode, size_t size)
  23. : InodeVMObject(inode, size)
  24. {
  25. }
  26. SharedInodeVMObject::SharedInodeVMObject(const SharedInodeVMObject& other)
  27. : InodeVMObject(other)
  28. {
  29. }
  30. }