Kernel: Split the ProcFS core file into smaller components

Kernel/FileSystem/ProcFS/Inode.cpp

@@ -0,0 +1,50 @@
+/*
+ * 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/Inode.h>
+
+namespace Kernel {
+
+ProcFSInode::ProcFSInode(ProcFS const& fs, InodeIndex index)
+    : Inode(const_cast<ProcFS&>(fs), index)
+{
+}
+
+ProcFSInode::~ProcFSInode() = default;
+
+ErrorOr<void> ProcFSInode::flush_metadata()
+{
+    return {};
+}
+
+ErrorOr<void> ProcFSInode::add_child(Inode&, StringView, mode_t)
+{
+    return EROFS;
+}
+
+ErrorOr<NonnullLockRefPtr<Inode>> ProcFSInode::create_child(StringView, mode_t, dev_t, UserID, GroupID)
+{
+    return EROFS;
+}
+
+ErrorOr<void> ProcFSInode::remove_child(StringView)
+{
+    return EROFS;
+}
+
+ErrorOr<void> ProcFSInode::chmod(mode_t)
+{
+    return EPERM;
+}
+
+ErrorOr<void> ProcFSInode::chown(UserID, GroupID)
+{
+    return EPERM;
+}
+
+}