[GIT PULL v2] overlayfs update for 6.16

[Miklos Szeredi <miklos@xxxxxxxxxx>]

Please pull from:

  git://git.kernel.org/pub/scm/linux/kernel/git/overlayfs/vfs.git
tags/ovl-update-v2-6.16

- Fix a regression in getting the path of an open file (e.g.  in
/proc/PID/maps) for a nested overlayfs setup  (André Almeida)

- Support data-only layers and verity in a user namespace
(unprivileged composefs use case)

- Fix a gcc warning (Kees)

- Cleanups

Thanks,
Miklos

v2: dropped constification cleanup

---
André Almeida (1):
      ovl: Fix nested backing file paths

Kees Cook (1):
      ovl: Check for NULL d_inode() in ovl_dentry_upper()

Miklos Szeredi (3):
      ovl: make redirect/metacopy rejection consistent
      ovl: relax redirect/metacopy requirements for lower -> data redirect
      ovl: don't require "metacopy=on" for "verity"

Thorsten Blum (4):
      ovl: Use str_on_off() helper in ovl_show_options()
      ovl: Replace offsetof() with struct_size() in ovl_cache_entry_new()
      ovl: Replace offsetof() with struct_size() in ovl_stack_free()
      ovl: Annotate struct ovl_entry with __counted_by()

---
 Documentation/filesystems/overlayfs.rst |  7 +++
 fs/overlayfs/file.c                     |  4 +-
 fs/overlayfs/namei.c                    | 98 ++++++++++++++++++++-------------
 fs/overlayfs/ovl_entry.h                |  2 +-
 fs/overlayfs/params.c                   | 40 ++------------
 fs/overlayfs/readdir.c                  |  4 +-
 fs/overlayfs/util.c                     |  9 ++-
 7 files changed, 84 insertions(+), 80 deletions(-)