Kernel: Split the SysFS core files into smaller components

Kernel/FileSystem/SysFS/FileSystem.cpp

@@ -0,0 +1,33 @@
+/*
+ * Copyright (c) 2021, Liav A. <liavalb@hotmail.co.il>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#include <AK/StringView.h>
+#include <Kernel/FileSystem/SysFS/FileSystem.h>
+#include <Kernel/FileSystem/SysFS/Inode.h>
+#include <Kernel/FileSystem/SysFS/Registry.h>
+
+namespace Kernel {
+
+ErrorOr<NonnullLockRefPtr<FileSystem>> SysFS::try_create()
+{
+    return TRY(adopt_nonnull_lock_ref_or_enomem(new (nothrow) SysFS));
+}
+
+SysFS::SysFS() = default;
+SysFS::~SysFS() = default;
+
+ErrorOr<void> SysFS::initialize()
+{
+    m_root_inode = TRY(SysFSComponentRegistry::the().root_directory().to_inode(*this));
+    return {};
+}
+
+Inode& SysFS::root_inode()
+{
+    return *m_root_inode;
+}
+
+}