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Kernel/SysFS: Migrate components code from SysFS.cpp to the SysFS folder

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Liav A 2022-04-22 12:46:19 +03:00 • committed by Andreas Kling
parent 4d05a41b30
commit 23c1c40e86
29 changed files with 496 additions and 286 deletions
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81
Kernel/FileSystem/SysFS.cpp
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@ -4,70 +4,13 @@
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <AK/Singleton.h>
#include <AK/StringView.h>
#include <Kernel/Devices/Device.h>
#include <Kernel/FileSystem/SysFS.h>
#include <Kernel/FileSystem/SysFS/Registry.h>
#include <Kernel/Sections.h>
namespace Kernel {
static Singleton<SysFSComponentRegistry> s_the;
SysFSComponentRegistry& SysFSComponentRegistry::the()
{
return *s_the;
}
UNMAP_AFTER_INIT void SysFSComponentRegistry::initialize()
{
VERIFY(!s_the.is_initialized());
s_the.ensure_instance();
}
UNMAP_AFTER_INIT SysFSComponentRegistry::SysFSComponentRegistry()
: m_root_directory(SysFSRootDirectory::create())
{
}
UNMAP_AFTER_INIT void SysFSComponentRegistry::register_new_component(SysFSComponent& component)
{
MutexLocker locker(m_lock);
m_root_directory->m_components.append(component);
}
SysFSComponentRegistry::DevicesList& SysFSComponentRegistry::devices_list()
{
return m_devices_list;
}
NonnullRefPtr<SysFSRootDirectory> SysFSRootDirectory::create()
{
return adopt_ref(*new (nothrow) SysFSRootDirectory);
}
ErrorOr<void> SysFSRootDirectory::traverse_as_directory(FileSystemID fsid, Function<ErrorOr<void>(FileSystem::DirectoryEntryView const&)> callback) const
{
MutexLocker locker(SysFSComponentRegistry::the().get_lock());
TRY(callback({ ".", { fsid, component_index() }, 0 }));
TRY(callback({ "..", { fsid, 0 }, 0 }));
for (auto const& component : m_components) {
InodeIdentifier identifier = { fsid, component.component_index() };
TRY(callback({ component.name(), identifier, 0 }));
}
return {};
}
SysFSRootDirectory::SysFSRootDirectory()
{
auto buses_directory = SysFSBusDirectory::must_create(*this);
auto devices_directory = SysFSDevicesDirectory::must_create(*this);
m_components.append(buses_directory);
m_components.append(devices_directory);
m_buses_directory = buses_directory;
}
ErrorOr<NonnullRefPtr<FileSystem>> SysFS::try_create()
{
return TRY(adopt_nonnull_ref_or_enomem(new (nothrow) SysFS));
@ -226,26 +169,4 @@ ErrorOr<NonnullRefPtr<Inode>> SysFSDirectoryInode::lookup(StringView name)
return TRY(component->to_inode(fs()));
}
SysFSBusDirectory& SysFSComponentRegistry::buses_directory()
{
return *m_root_directory->m_buses_directory;
}
void SysFSComponentRegistry::register_new_bus_directory(SysFSDirectory& new_bus_directory)
{
VERIFY(!m_root_directory->m_buses_directory.is_null());
m_root_directory->m_buses_directory->m_components.append(new_bus_directory);
}
UNMAP_AFTER_INIT NonnullRefPtr<SysFSBusDirectory> SysFSBusDirectory::must_create(SysFSRootDirectory const& parent_directory)
{
auto directory = adopt_ref(*new (nothrow) SysFSBusDirectory(parent_directory));
return directory;
}
UNMAP_AFTER_INIT SysFSBusDirectory::SysFSBusDirectory(SysFSRootDirectory const& parent_directory)
: SysFSDirectory(parent_directory)
{
}
}