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1dbd32488f
This change in fact does the following:
1. Use support for symlinks between /sys/dev/block/ storage device
identifier nodes and devices in /sys/devices/storage/{LUN}.
2. Add basic nodes in a /sys/devices/storage/{LUN} directory, to let
userspace to know about the device and its details.
33 lines
1.2 KiB
C++
33 lines
1.2 KiB
C++
/*
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* Copyright (c) 2022, Liav A. <liavalb@hotmail.co.il>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <AK/IntrusiveList.h>
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#include <Kernel/FileSystem/SysFS/Component.h>
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#include <Kernel/KString.h>
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namespace Kernel {
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class SysFSDeviceIdentifiersDirectory;
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class SysFSSymbolicLinkDeviceComponent final
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: public SysFSSymbolicLink
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, public Weakable<SysFSSymbolicLinkDeviceComponent> {
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friend class SysFSComponentRegistry;
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public:
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static ErrorOr<NonnullRefPtr<SysFSSymbolicLinkDeviceComponent>> try_create(SysFSDeviceIdentifiersDirectory const& parent_directory, Device const&, SysFSComponent const& pointed_component);
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virtual StringView name() const override { return m_major_minor_formatted_device_name->view(); }
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bool is_block_device() const { return m_block_device; }
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private:
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SysFSSymbolicLinkDeviceComponent(SysFSDeviceIdentifiersDirectory const& parent_directory, NonnullOwnPtr<KString> major_minor_formatted_device_name, Device const&, SysFSComponent const& pointed_component);
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IntrusiveListNode<SysFSSymbolicLinkDeviceComponent, NonnullRefPtr<SysFSSymbolicLinkDeviceComponent>> m_list_node;
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bool const m_block_device { false };
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NonnullOwnPtr<KString> m_major_minor_formatted_device_name;
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};
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}
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