Merging upstream version 6.7.7.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 16 insertions, 0 deletions

diff --git a/Documentation/filesystems/porting.rst b/Documentation/filesystems/porting.rst
index 41d964b48e..9100969e7d 100644
--- a/Documentation/filesystems/porting.rst
+++ b/Documentation/filesystems/porting.rst
@@ -1050,6 +1050,22 @@ kill_anon_super(), or kill_block_super() helpers.
 
 **mandatory**
 
+Lock ordering has been changed so that s_umount ranks above open_mutex again.
+All places where s_umount was taken under open_mutex have been fixed up.
+
+---
+
+**mandatory**
+
+export_operations ->encode_fh() no longer has a default implementation to
+encode FILEID_INO32_GEN* file handles.
+Filesystems that used the default implementation may use the generic helper
+generic_encode_ino32_fh() explicitly.
+
+---
+
+**mandatory**
+
 If ->rename() update of .. on cross-directory move needs an exclusion with
 directory modifications, do *not* lock the subdirectory in question in your
 ->rename() - it's done by the caller now [that item should've been added in