From d70e2df0885a844d47b6498bf2c710fb9730b364 Mon Sep 17 00:00:00 2001
From: "marcel.braun" <marcel.braun@ost.ch>
Date: Mon, 23 Mar 2026 09:49:10 +0100
Subject: Add dentry structure

---
 kernel/include/kernel/filesystem/dentry.hpp | 14 ++++++++++++++
 kernel/include/kernel/filesystem/vfs.hpp    |  2 +-
 2 files changed, 15 insertions(+), 1 deletion(-)

(limited to 'kernel/include')

diff --git a/kernel/include/kernel/filesystem/dentry.hpp b/kernel/include/kernel/filesystem/dentry.hpp
index 1532880..db15b48 100644
--- a/kernel/include/kernel/filesystem/dentry.hpp
+++ b/kernel/include/kernel/filesystem/dentry.hpp
@@ -4,21 +4,35 @@
 #include "kernel/filesystem/inode.hpp"
 
 #include <kstd/memory>
+#include <kstd/string>
 #include <kstd/vector>
 
+#include <cstdint>
+
 namespace filesystem
 {
   struct dentry
   {
+    enum class dentry_flags : uint32_t
+    {
+      dcache_mounted = 1 << 15
+    };
+
     dentry(kstd::shared_ptr<dentry> const & parent, kstd::shared_ptr<inode> const & node);
 
     [[nodiscard]] auto get_inode() const -> kstd::shared_ptr<inode> const &;
     [[nodiscard]] auto get_parent() const -> kstd::shared_ptr<dentry> const &;
 
+    auto set_flag(dentry_flags flag) -> void;
+    auto unset_flag(dentry_flags flag) -> void;
+    [[nodiscard]] auto has_flag(dentry_flags flag) const -> bool;
+
   private:
+    kstd::string m_name;
     kstd::shared_ptr<dentry> m_parent;
     kstd::vector<kstd::shared_ptr<dentry>> m_children;
     kstd::shared_ptr<inode> m_inode;
+    uint32_t m_flags{0};
   };
 }  // namespace filesystem
 
diff --git a/kernel/include/kernel/filesystem/vfs.hpp b/kernel/include/kernel/filesystem/vfs.hpp
index bcf06f7..01cd2ea 100644
--- a/kernel/include/kernel/filesystem/vfs.hpp
+++ b/kernel/include/kernel/filesystem/vfs.hpp
@@ -40,7 +40,7 @@ namespace filesystem
     [[nodiscard]] auto resolve_path(std::string_view path) -> std::optional<dentry>;
 
     kstd::shared_ptr<filesystem> m_root_fs;
-    std::optional<mount> m_root_mount;
+    kstd::shared_ptr<dentry> m_root_dentry;
     kstd::vector<mount> m_mount_table;
   };
 }  // namespace filesystem
-- 
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