Manage int IDs via id_alloc

kernel/fs/vfs.c

@@ -1,6 +1,7 @@
 #include <device/device.h>
 #include <fs/tarfs.h>
 #include <fs/vfs.h>
+#include <id/id_alloc.h>
 #include <libk/fieldsizeof.h>
 #include <libk/hash.h>
 #include <libk/lengthof.h>
@@ -97,7 +98,7 @@ int vfs_open (struct procgroup* procgroup, const char* mountpoint, const char* p
 
   spin_lock (&procgroup->lock);
 
-  int id = handle->id = procgroup->sys_vfs_handles++;
+  int id = handle->id = id_alloc (&procgroup->vfs_handle_id_alloc);
 
   rbtree_insert (struct vfs_handle, &procgroup->vfs_handle_tree, &handle->handle_tree_link,
                  handle_tree_link, id);
@@ -119,8 +120,13 @@ int vfs_close (struct procgroup* procgroup, int id) {
     return -ST_NOT_FOUND;
   }
 
+  spin_lock (&handle->lock);
+
   rbtree_delete (&procgroup->vfs_handle_tree, &handle->handle_tree_link);
 
+  id_free (&procgroup->vfs_handle_id_alloc, handle->id);
+
+  spin_unlock (&handle->lock);
   spin_unlock (&procgroup->lock);
 
   free (handle);
@@ -191,7 +197,6 @@ int vfs_kernel_describe (const char* mountpoint, const char* path, struct desc*
 }
 
 void vfs_procgroup_cleanup (struct procgroup* procgroup) {
-  struct list_node_link* handle_cleanup_list = NULL;
   struct vfs_handle* handle;
 
   struct rb_node_link* node;
@@ -202,14 +207,8 @@ void vfs_procgroup_cleanup (struct procgroup* procgroup) {
     rbtree_next (node, next);
     handle = rbtree_entry (node, struct vfs_handle, handle_tree_link);
     node = next;
-    list_append (handle_cleanup_list, &handle->handle_cleanup_link);
-  }
 
-  struct list_node_link *cleanup_link, *cleanup_tmp_link;
-  list_foreach (handle_cleanup_list, cleanup_link, cleanup_tmp_link) {
-    handle = list_entry (cleanup_link, struct vfs_handle, handle_cleanup_link);
-    list_remove (handle_cleanup_list, &handle->handle_cleanup_link);
-    free (handle);
+    vfs_close (procgroup, handle->id);
   }
 }
 

kernel/fs/vfs.h

@@ -23,7 +23,6 @@ struct vfs_handle {
   char path[MAX_PATH];
   struct procgroup* ownerpg;
   struct rb_node_link handle_tree_link;
-  struct list_node_link handle_cleanup_link;
   spin_lock_t lock;
 };