Mount can only be unmounted if no references are present, increment references on open file and decrement on close file

1 files changed, 9 insertions, 1 deletions

diff --git a/kernel/kapi/filesystem.cpp b/kernel/kapi/filesystem.cpp
index 77d7eb0..1782da5 100644
--- a/kernel/kapi/filesystem.cpp
+++ b/kernel/kapi/filesystem.cpp
@@ -44,7 +44,15 @@ namespace kapi::filesystem
 
   auto close(int file_descriptor) -> int
   {
-    return kernel::filesystem::open_file_table::get().remove_file(file_descriptor);
+    if (auto open_file_descriptor = kernel::filesystem::open_file_table::get().get_file(file_descriptor))
+    {
+      if (kernel::filesystem::vfs::get().close(open_file_descriptor->get_dentry()) ==
+          kernel::filesystem::vfs::operation_result::success)
+      {
+        return kernel::filesystem::open_file_table::get().remove_file(file_descriptor);
+      }
+    }
+    return -1;
   }
 
   auto read(int file_descriptor, void * buffer, size_t size) -> ssize_t