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60f7d61ad2
We should actually start counting from the parent directory and not from the symbolic link as it will represent a wrong count of hops from the actual mountpoint. The symlinks in /sys/dev/block and /sys/dev/char worked only by luck, because I have set it to the wrong parent directory which is the /sys/dev directory, so with the symlink it was 3 hops to /sys, together with the root directory, therefore, everything seemed to work. Now that the device symlinks in /sys/dev/block and /sys/dev/char are set to the right parent directory and we start measure hops from root directory with the parent directory of a symlink, everything seem to work correctly now.
39 lines
1.8 KiB
C++
39 lines
1.8 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/FileSystem/SysFS/Subsystems/DeviceIdentifiers/BlockDevicesDirectory.h>
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#include <Kernel/FileSystem/SysFS/Subsystems/DeviceIdentifiers/CharacterDevicesDirectory.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(SysFSCharacterDevicesDirectory const& parent_directory, Device const& device, SysFSComponent const& pointed_component);
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static ErrorOr<NonnullRefPtr<SysFSSymbolicLinkDeviceComponent>> try_create(SysFSBlockDevicesDirectory const& parent_directory, Device const& device, 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(SysFSCharacterDevicesDirectory const& parent_directory, NonnullOwnPtr<KString> major_minor_formatted_device_name, Device const&, SysFSComponent const& pointed_component);
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SysFSSymbolicLinkDeviceComponent(SysFSBlockDevicesDirectory 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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