kernel/vfs: prepare fs type registration support

1 files changed, 15 insertions, 0 deletions

diff --git a/kernel/src/filesystem/vfs.cpp b/kernel/src/filesystem/vfs.cpp
index ae85291..d22c74b 100644
--- a/kernel/src/filesystem/vfs.cpp
+++ b/kernel/src/filesystem/vfs.cpp
@@ -8,10 +8,12 @@
 #include <kernel/filesystem/mount_table.hpp>
 #include <kernel/filesystem/path.hpp>
 #include <kernel/filesystem/rootfs/filesystem.hpp>
+#include <kernel/filesystem/type.hpp>
 
 #include <kapi/system.hpp>
 
 #include <kstd/memory>
+#include <kstd/print>
 #include <kstd/string>
 #include <kstd/vector>
 
@@ -19,9 +21,16 @@
 #include <cstdint>
 #include <optional>
 #include <ranges>
+#include <span>
 #include <string_view>
 #include <utility>
 
+extern "C"
+{
+  extern kernel::filesystem::type const * const __vfs_type_descriptors_begin;
+  extern kernel::filesystem::type const * const __vfs_type_descriptors_end;
+}
+
 namespace
 {
   constinit auto static active_vfs = std::optional<kernel::filesystem::vfs>{};
@@ -42,6 +51,12 @@ namespace kernel::filesystem
 
   auto vfs::init_internal() -> void
   {
+    auto type_descriptors = std::span{&__vfs_type_descriptors_begin, &__vfs_type_descriptors_end} |
+                            std::views::filter([](auto p) { return p != nullptr; });
+    std::ranges::for_each(type_descriptors, [](auto descriptor) {
+      kstd::println("[OS] registering filesystem '{}'", descriptor->name());
+    });
+
     // mount rootfs at /
     auto root_fs = kstd::make_shared<rootfs::filesystem>();
     root_fs->mount(nullptr);