3 files changed, 53 insertions, 2 deletions
diff --git a/kernel/filesystem/CMakeLists.txt b/kernel/filesystem/CMakeLists.txt
index a6b4e49..19f1be1 100644
--- a/kernel/filesystem/CMakeLists.txt
+++ b/kernel/filesystem/CMakeLists.txt
@@ -2,8 +2,9 @@ add_library("kernel_filesystem" STATIC)
 add_library("kernel::filesystem" ALIAS "kernel_filesystem")
 
 target_sources("kernel_filesystem" PRIVATE
-    "src/device_file.cpp"
     "src/ext2/ext2_filesystem.cpp"
+    "src/custody.cpp"
+    "src/device_file.cpp"
     "src/file_descriptor_table.cpp"
     "src/filesystem.cpp"
     "src/inode_file.cpp"
@@ -17,8 +18,9 @@ target_sources("kernel_filesystem" PUBLIC
     FILE_SET HEADERS
     BASE_DIRS "include"
     FILES
-    "include/filesystem/device_file.hpp"
     "include/filesystem/ext2/ext2_filesystem.hpp"
+    "include/filesystem/custody.hpp"
+    "include/filesystem/device_file.hpp"
     "include/filesystem/file_descriptor_table.hpp"
     "include/filesystem/file.hpp"
     "include/filesystem/filesystem.hpp"
diff --git a/kernel/filesystem/include/filesystem/custody.hpp b/kernel/filesystem/include/filesystem/custody.hpp
new file mode 100644
index 0000000..9ee984d
--- /dev/null
+++ b/kernel/filesystem/include/filesystem/custody.hpp
@@ -0,0 +1,21 @@
+#ifndef TEACH_OS_KERNEL_CUSTODY_HPP
+#define TEACH_OS_KERNEL_CUSTODY_HPP
+
+#include "filesystem/inode.hpp"
+
+namespace filesystem
+{
+  struct custody
+  {
+    custody(custody * parent, inode * node);
+
+    [[nodiscard]] auto get_inode() const -> inode *;
+    [[nodiscard]] auto get_parent() const -> custody *;
+
+  private:
+    custody * m_parent;
+    inode * m_inode;
+  };
+}  // namespace filesystem
+
+#endif
+\ No newline at end of file
diff --git a/kernel/filesystem/src/custody.cpp b/kernel/filesystem/src/custody.cpp
new file mode 100644
index 0000000..614e63b
--- /dev/null
+++ b/kernel/filesystem/src/custody.cpp
@@ -0,0 +1,28 @@
+#include "filesystem/custody.hpp"
+
+#include "kapi/system.hpp"
+
+#include "filesystem/inode.hpp"
+
+namespace filesystem
+{
+  custody::custody(custody * parent, inode * node)
+      : m_parent(parent)
+      , m_inode(node)
+  {
+    if (!m_inode)
+    {
+      kapi::system::panic("[FILESYSTEM] custody constructed with null inode.");
+    }
+  }
+
+  auto custody::get_inode() const -> inode *
+  {
+    return m_inode;
+  }
+
+  auto custody::get_parent() const -> custody *
+  {
+    return m_parent;
+  }
+}  // namespace filesystem
+\ No newline at end of file