ladybird/Kernel/Storage/DiskPartition.h
Andreas Kling 11eee67b85 Kernel: Make self-contained locking smart pointers their own classes
Until now, our kernel has reimplemented a number of AK classes to
provide automatic internal locking:

- RefPtr
- NonnullRefPtr
- WeakPtr
- Weakable

This patch renames the Kernel classes so that they can coexist with
the original AK classes:

- RefPtr => LockRefPtr
- NonnullRefPtr => NonnullLockRefPtr
- WeakPtr => LockWeakPtr
- Weakable => LockWeakable

The goal here is to eventually get rid of the Lock* classes in favor of
using external locking.
2022-08-20 17:20:43 +02:00

42 lines
1.3 KiB
C++

/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <Kernel/Devices/BlockDevice.h>
#include <Kernel/Library/LockRefPtr.h>
#include <Kernel/Library/LockWeakPtr.h>
#include <LibPartition/DiskPartitionMetadata.h>
namespace Kernel {
class DiskPartition final : public BlockDevice {
friend class DeviceManagement;
public:
static NonnullLockRefPtr<DiskPartition> create(BlockDevice&, MinorNumber, Partition::DiskPartitionMetadata);
virtual ~DiskPartition();
virtual void start_request(AsyncBlockDeviceRequest&) override;
// ^BlockDevice
virtual ErrorOr<size_t> read(OpenFileDescription&, u64, UserOrKernelBuffer&, size_t) override;
virtual bool can_read(OpenFileDescription const&, u64) const override;
virtual ErrorOr<size_t> write(OpenFileDescription&, u64, UserOrKernelBuffer const&, size_t) override;
virtual bool can_write(OpenFileDescription const&, u64) const override;
Partition::DiskPartitionMetadata const& metadata() const;
private:
DiskPartition(BlockDevice&, MinorNumber, Partition::DiskPartitionMetadata);
virtual StringView class_name() const override;
LockWeakPtr<BlockDevice> m_device;
Partition::DiskPartitionMetadata m_metadata;
};
}