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Kernel: Split the SysFS core files into smaller components

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Liav A 2022-10-23 21:51:56 +03:00 • committed by Andrew Kaster
parent 7eed3dab5d
commit f53149d5f6
19 changed files with 234 additions and 148 deletions
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54
Kernel/FileSystem/SysFS/DirectoryInode.cpp Normal file
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/*
* Copyright (c) 2021, Liav A. <liavalb@hotmail.co.il>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <AK/StringView.h>
#include <Kernel/FileSystem/SysFS/DirectoryInode.h>
#include <Kernel/Sections.h>
#include <Kernel/Time/TimeManagement.h>
namespace Kernel {
ErrorOr<NonnullLockRefPtr<SysFSDirectoryInode>> SysFSDirectoryInode::try_create(SysFS const& sysfs, SysFSComponent const& component)
{
return adopt_nonnull_lock_ref_or_enomem(new (nothrow) SysFSDirectoryInode(sysfs, component));
}
SysFSDirectoryInode::SysFSDirectoryInode(SysFS const& fs, SysFSComponent const& component)
: SysFSInode(fs, component)
{
}
SysFSDirectoryInode::~SysFSDirectoryInode() = default;
InodeMetadata SysFSDirectoryInode::metadata() const
{
// NOTE: No locking required as m_associated_component or its component index will never change during our lifetime.
InodeMetadata metadata;
metadata.inode = { fsid(), m_associated_component->component_index() };
metadata.mode = S_IFDIR | S_IRUSR | S_IRGRP | S_IROTH | S_IXOTH;
metadata.uid = 0;
metadata.gid = 0;
metadata.size = 0;
metadata.mtime = TimeManagement::boot_time();
return metadata;
}
ErrorOr<void> SysFSDirectoryInode::traverse_as_directory(Function<ErrorOr<void>(FileSystem::DirectoryEntryView const&)> callback) const
{
MutexLocker locker(fs().m_lock);
return m_associated_component->traverse_as_directory(fs().fsid(), move(callback));
}
ErrorOr<NonnullLockRefPtr<Inode>> SysFSDirectoryInode::lookup(StringView name)
{
MutexLocker locker(fs().m_lock);
auto component = m_associated_component->lookup(name);
if (!component)
return ENOENT;
return TRY(component->to_inode(fs()));
}
}