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Kernel: Split the ProcFS core file into smaller components

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Liav A 2022-10-24 09:41:31 +03:00 • committed by Andrew Kaster
parent e882b2ed05
commit 3906dd3aa3
30 changed files with 1080 additions and 822 deletions
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51
Kernel/FileSystem/ProcFS/DirectoryInode.cpp Normal file
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/*
* Copyright (c) 2018-2021, Andreas Kling <kling@serenityos.org>
* Copyright (c) 2021, Spencer Dixon <spencercdixon@gmail.com>
* Copyright (c) 2021, Liav A. <liavalb@hotmail.co.il>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <Kernel/FileSystem/ProcFS/DirectoryInode.h>
namespace Kernel {
ErrorOr<NonnullLockRefPtr<ProcFSDirectoryInode>> ProcFSDirectoryInode::try_create(ProcFS const& procfs, ProcFSExposedComponent const& component)
{
return adopt_nonnull_lock_ref_or_enomem(new (nothrow) ProcFSDirectoryInode(procfs, component));
}
ProcFSDirectoryInode::ProcFSDirectoryInode(ProcFS const& fs, ProcFSExposedComponent const& component)
: ProcFSGlobalInode(fs, component)
{
}
ProcFSDirectoryInode::~ProcFSDirectoryInode() = default;
InodeMetadata ProcFSDirectoryInode::metadata() const
{
MutexLocker locker(m_inode_lock);
InodeMetadata metadata;
metadata.inode = { fsid(), m_associated_component->component_index() };
metadata.mode = S_IFDIR | m_associated_component->required_mode();
metadata.uid = m_associated_component->owner_user();
metadata.gid = m_associated_component->owner_group();
metadata.size = 0;
metadata.mtime = m_associated_component->modified_time();
return metadata;
}
ErrorOr<void> ProcFSDirectoryInode::traverse_as_directory(Function<ErrorOr<void>(FileSystem::DirectoryEntryView const&)> callback) const
{
MutexLocker locker(procfs().m_lock);
return m_associated_component->traverse_as_directory(procfs().fsid(), move(callback));
}
ErrorOr<NonnullLockRefPtr<Inode>> ProcFSDirectoryInode::lookup(StringView name)
{
MutexLocker locker(procfs().m_lock);
auto component = TRY(m_associated_component->lookup(name));
return component->to_inode(procfs());
}
}