implement function to get a device by major and minor number

1 files changed, 10 insertions, 2 deletions

diff --git a/kernel/devices/src/storage/StorageManagement.cpp b/kernel/devices/src/storage/StorageManagement.cpp
index 2daae0a..cfc5239 100644
--- a/kernel/devices/src/storage/StorageManagement.cpp
+++ b/kernel/devices/src/storage/StorageManagement.cpp
@@ -8,6 +8,7 @@
 #include "devices/storage/StorageController.hpp"
 
 #include <algorithm>
+#include <cstddef>
 #include <optional>
 
 namespace devices::storage
@@ -47,9 +48,16 @@ namespace devices::storage
     m_controllers.at(0) = controller;  // TODO BA-FS26 use push_back from kstd:vector
   }
 
-  auto storage_management::add_device(block_device * device) -> void
+  auto storage_management::device_by_major_minor(size_t major, size_t minor) -> block_device *
   {
-    m_devices.at(0) = device;  // TODO BA-FS26 use push_back from kstd:vector
+    block_device * found = nullptr;
+
+    std::ranges::find_if(m_controllers, [&](auto const controller) {
+      found = controller->device_by_major_minor(major, minor);
+      return found != nullptr;
+    });
+
+    return found;
   }
 
 }  // namespace devices::storage
\ No newline at end of file