vfs: add note about i_op->rename changes to porting

Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
mariux64 · Sep 27, 2016 · aadfa80 · aadfa80
1 parent 2773bf0
commit aadfa80
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/Documentation/filesystems/porting b/Documentation/filesystems/porting
@@ -592,3 +592,7 @@ in your dentry operations instead.
 	work just as well; if it's something more complicated, use dentry->d_parent.
 	Just be careful not to assume that fetching it more than once will yield
 	the same value - in RCU mode it could change under you.
+--
+[mandatory]
+	->rename() has an added flags argument.  Any flags not handled by the
+        filesystem should result in EINVAL being returned.