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

Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
2016-09-27 11:03:58 +02:00 · 2016-09-27 11:03:58 +02:00 · aadfa8019e
parent 2773bf00ae
commit aadfa8019e
1 changed files with 4 additions and 0 deletions
--- 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.