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

1 files changed, 4 insertions, 1 deletions

diff --git a/kernel/src/filesystem/mount_table.cpp b/kernel/src/filesystem/mount_table.cpp
index b582fd9..9951590 100644
--- a/kernel/src/filesystem/mount_table.cpp
+++ b/kernel/src/filesystem/mount_table.cpp
@@ -30,7 +30,6 @@ namespace kernel::filesystem
 
   auto mount_table::remove_mount(std::string_view path) -> operation_result
   {
-    // TODO BA-FS26 check wheter something is open in this mount
     auto mount_it = find_mount_iterator(path);
     if (mount_it == m_mounts.end())
     {
@@ -38,6 +37,10 @@ namespace kernel::filesystem
     }
 
     auto const & mount = *mount_it;
+    if (!mount->is_ready_to_unmount())
+    {
+      return operation_result::cannot_be_unmounted;
+    }
     if (has_child_mounts(mount))
     {
       return operation_result::has_child_mounts;