e6fc7b3ff7
The main place where this is a little iffy is in RAMFS where inodes have a LockWeakPtr to their parent inode. I've left that as a LockWeakPtr for now.
46 lines
2 KiB
C++
46 lines
2 KiB
C++
/*
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* Copyright (c) 2021, 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 <Kernel/FileSystem/Inode.h>
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#include <Kernel/FileSystem/SysFS/Component.h>
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#include <Kernel/FileSystem/SysFS/FileSystem.h>
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namespace Kernel {
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class SysFSInode : public Inode {
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friend class SysFS;
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friend class SysFSDirectoryInode;
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public:
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static ErrorOr<NonnullRefPtr<SysFSInode>> try_create(SysFS const&, SysFSComponent const&);
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StringView name() const { return m_associated_component->name(); }
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protected:
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SysFSInode(SysFS const&, SysFSComponent const&);
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virtual ErrorOr<size_t> read_bytes_locked(off_t, size_t, UserOrKernelBuffer& buffer, OpenFileDescription*) const override;
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virtual ErrorOr<void> traverse_as_directory(Function<ErrorOr<void>(FileSystem::DirectoryEntryView const&)>) const override;
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virtual ErrorOr<NonnullRefPtr<Inode>> lookup(StringView name) override;
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virtual ErrorOr<void> flush_metadata() override;
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virtual InodeMetadata metadata() const override;
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virtual ErrorOr<size_t> write_bytes_locked(off_t, size_t, UserOrKernelBuffer const&, OpenFileDescription*) override;
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virtual ErrorOr<NonnullRefPtr<Inode>> create_child(StringView name, mode_t, dev_t, UserID, GroupID) override;
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virtual ErrorOr<void> add_child(Inode&, StringView name, mode_t) override;
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virtual ErrorOr<void> remove_child(StringView name) override;
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virtual ErrorOr<void> replace_child(StringView name, Inode& child) override;
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virtual ErrorOr<void> chmod(mode_t) override;
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virtual ErrorOr<void> chown(UserID, GroupID) override;
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virtual ErrorOr<void> truncate(u64) override;
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virtual ErrorOr<void> update_timestamps(Optional<Time> atime, Optional<Time> ctime, Optional<Time> mtime) override;
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virtual ErrorOr<void> attach(OpenFileDescription& description) override final;
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virtual void did_seek(OpenFileDescription&, off_t) override final;
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NonnullLockRefPtr<SysFSComponent> m_associated_component;
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};
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}
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