From 2af1bbc99e2a8fc4b86bb31023dbbb077b1cbc97 Mon Sep 17 00:00:00 2001
From: Lukas Oesch <lukasoesch20@gmail.com>
Date: Sun, 15 Mar 2026 16:49:07 +0100
Subject: move m_devices from ram_disk_controller to storage_controller, store
 point to devices

---
 .../src/storage/ram_disk/ram_disk_controller.cpp   | 28 ++++++++--------------
 1 file changed, 10 insertions(+), 18 deletions(-)

(limited to 'kernel/devices/src/storage/ram_disk')

diff --git a/kernel/devices/src/storage/ram_disk/ram_disk_controller.cpp b/kernel/devices/src/storage/ram_disk/ram_disk_controller.cpp
index 9f9537f..b57dcfb 100644
--- a/kernel/devices/src/storage/ram_disk/ram_disk_controller.cpp
+++ b/kernel/devices/src/storage/ram_disk/ram_disk_controller.cpp
@@ -2,7 +2,6 @@
 
 #include "kapi/boot_module/boot_module_registry.hpp"
 
-#include "devices/block_device.hpp"
 #include "devices/storage/ram_disk/ram_disk_device.hpp"
 
 #include <kstd/print>
@@ -10,9 +9,17 @@
 #include <algorithm>
 #include <array>
 #include <cstddef>
+#include <optional>
 
 namespace devices::storage::ram_disk
 {
+  namespace
+  {
+    // TODO BA-FS26 @Felix gibts besseren weg (ausser dynamic Memory)
+    // TODO BA-FS26 remove again, when dynamic memory available
+    constinit auto static active_ram_disk_device = std::optional<ram_disk_device>{};
+  }  // namespace
+
   ram_disk_controller::ram_disk_controller(kapi::boot_modules::boot_module_registry const * registry)
       : m_boot_module_registry(registry)
   {}
@@ -25,23 +32,8 @@ namespace devices::storage::ram_disk
       auto const minor = current_device_index++ * m_minors_per_device;
 
       // TODO BA-FS26 use push_back from kstd::vector when available
-      m_devices.at(0) = ram_disk_device{module, m_major, minor};
+      active_ram_disk_device.emplace(module, m_major, minor);
+      m_devices.at(0) = &*active_ram_disk_device;
     });
   }
-
-  auto ram_disk_controller::device_by_minor(size_t minor) -> block_device *
-  {
-    auto it = std::ranges::find_if(m_devices, [minor](auto const & device) { return device.minor() == minor; });
-
-    if (it != m_devices.end())
-    {
-      return &(*it);
-    }
-    return nullptr;
-  }
-
-  auto ram_disk_controller::devices_count() -> size_t
-  {
-    return m_devices.size();
-  }
 }  // namespace devices::storage::ram_disk
\ No newline at end of file
-- 
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