remove fl_crefs

Signed-off-by: hujun5 <[email protected]>

fs/inode/fs_files.c

@@ -379,7 +379,6 @@ void files_initlist(FAR struct filelist *list)
    */
 
   list->fl_rows = 1;
-  list->fl_crefs = 1;
   list->fl_files = &list->fl_prefile;
   list->fl_prefile = list->fl_prefiles;
   spin_lock_init(&list->fl_lock);
@@ -457,34 +456,6 @@ void files_dumplist(FAR struct filelist *list)
 }
 #endif
 
-/****************************************************************************
- * Name: files_getlist
- *
- * Description:
- *   Get the list of files by tcb.
- *
- * Assumptions:
- *   Called during task deletion in a safe context.
- *
- ****************************************************************************/
-
-FAR struct filelist *files_getlist(FAR struct tcb_s *tcb)
-{
-  FAR struct filelist *list;
-
-  if (tcb->group != NULL)
-    {
-      list = &tcb->group->tg_filelist;
-      if (list->fl_crefs > 0)
-        {
-          list->fl_crefs++;
-          return list;
-        }
-    }
-
-  return NULL;
-}
-
 /****************************************************************************
  * Name: files_putlist
  *
@@ -501,12 +472,6 @@ void files_putlist(FAR struct filelist *list)
   int i;
   int j;
 
-  DEBUGASSERT(list->fl_crefs >= 1);
-  if (--list->fl_crefs > 0)
-    {
-      return;
-    }
-
   /* Close each file descriptor .. Normally, you would need take the list
    * mutex, but it is safe to ignore the mutex in this context
    * because there should not be any references in this context.

include/nuttx/fs/fs.h

@@ -494,7 +494,6 @@ struct filelist
 {
   spinlock_t        fl_lock;    /* Manage access to the file list */
   uint8_t           fl_rows;    /* The number of rows of fl_files array */
-  uint8_t           fl_crefs;   /* The references to filelist */
   FAR struct file **fl_files;   /* The pointer of two layer file descriptors array */
 
   /* Pre-allocated files to avoid allocator access during thread creation
@@ -906,16 +905,6 @@ void files_dumplist(FAR struct filelist *list);
 #  define files_dumplist(l)
 #endif
 
-/****************************************************************************
- * Name: files_getlist
- *
- * Description:
- *   Get the list of files by tcb.
- *
- ****************************************************************************/
-
-FAR struct filelist *files_getlist(FAR struct tcb_s *tcb);
-
 /****************************************************************************
  * Name: files_putlist
  *

tools/gdb/nuttxgdb/protocols/fs.py

@@ -60,5 +60,4 @@ class FileList(Value):
     """struct filelist_s"""
 
     fl_rows: Value
-    fl_crefs: Value
     fl_files: Value