1 files changed, 6 insertions, 0 deletions

diff --git a/Documentation/filesystems/porting b/Documentation/filesystems/porting
index 95280079c0b3..5fb17f49f7a2 100644
--- a/Documentation/filesystems/porting
+++ b/Documentation/filesystems/porting
@@ -600,3 +600,9 @@ in your dentry operations instead.
 [recommended]
         ->readlink is optional for symlinks.  Don't set, unless filesystem needs
         to fake something for readlink(2).
+--
+[mandatory]
+        ->getattr() is now passed a struct path rather than a vfsmount and
+        dentry separately, and it now has request_mask and query_flags arguments
+        to specify the fields and sync type requested by statx.  Filesystems not
+        supporting any statx-specific features may ignore the new arguments.