ladybird/Kernel/FileSystem/DevPtsFS/Inode.h
sin-ack 3b03077abb Kernel: Update the ".." inode for directories after a rename
Because the ".." entry in a directory is a separate inode, if a
directory is renamed to a new location, then we should update this entry
the point to the new parent directory as well.

Co-authored-by: Liav A <liavalb@gmail.com>
2022-11-25 17:33:05 +01:00

46 lines
1.7 KiB
C++

/*
* Copyright (c) 2019-2020, Sergey Bugaev <bugaevc@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/Types.h>
#include <Kernel/FileSystem/DevPtsFS/FileSystem.h>
#include <Kernel/FileSystem/Inode.h>
#include <Kernel/TTY/SlavePTY.h>
namespace Kernel {
class DevPtsFSInode final : public Inode {
friend class DevPtsFS;
public:
virtual ~DevPtsFSInode() override;
DevPtsFS& fs() { return static_cast<DevPtsFS&>(Inode::fs()); }
DevPtsFS const& fs() const { return static_cast<DevPtsFS const&>(Inode::fs()); }
private:
DevPtsFSInode(DevPtsFS&, InodeIndex, SlavePTY*);
// ^Inode
virtual ErrorOr<size_t> read_bytes_locked(off_t, size_t, UserOrKernelBuffer& buffer, OpenFileDescription*) const override;
virtual InodeMetadata metadata() const override;
virtual ErrorOr<void> traverse_as_directory(Function<ErrorOr<void>(FileSystem::DirectoryEntryView const&)>) const override;
virtual ErrorOr<NonnullLockRefPtr<Inode>> lookup(StringView name) override;
virtual ErrorOr<void> flush_metadata() override;
virtual ErrorOr<size_t> write_bytes_locked(off_t, size_t, UserOrKernelBuffer const& buffer, OpenFileDescription*) override;
virtual ErrorOr<NonnullLockRefPtr<Inode>> create_child(StringView name, mode_t, dev_t, UserID, GroupID) override;
virtual ErrorOr<void> add_child(Inode&, StringView name, mode_t) override;
virtual ErrorOr<void> remove_child(StringView name) override;
virtual ErrorOr<void> replace_child(StringView name, Inode& child) override;
virtual ErrorOr<void> chmod(mode_t) override;
virtual ErrorOr<void> chown(UserID, GroupID) override;
LockWeakPtr<SlavePTY> m_pty;
InodeMetadata m_metadata;
};
}