aufs: fix v6.7 kernel build compilation

Adapting aufs to the following upstream commits:

   commit 12cd4402


   Author: Jeff Layton <jlayton@kernel.org>
   Date:   Fri Sep 29 09:05:52 2023 -0400

    fs: rename inode i_atime and i_mtime fields

    Rename these two fields to discourage direct access (and to help ensure
    that we mop up any leftover direct accesses).

Signed-off-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Christian Brauner <brauner@kernel.org>

   commit 3e15dcf7


   Author: Amir Goldstein <amir73il@gmail.com>
   Date:   Fri Sep 8 16:28:59 2023 +0300

    fs: rename __mnt_{want,drop}_write*() helpers

    Before exporting these helpers to modules, make their names more
    meaningful.

    The names mnt_{get,put)_write_access*() were chosen, because they rhyme
    with the inode {get,put)_write_access() helpers, which have a very close
    meaning for the inode object.

Suggested-by: Christian Brauner <brauner@kernel.org>
    Link: https://lore.kernel.org/r/20230817-anfechtbar-ruhelosigkeit-8c6cca8443fc@brauner/
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
    Message-Id: <20230908132900.2983519-2-amir73il@gmail.com>
Signed-off-by: Christian Brauner <brauner@kernel.org>

Signed-off-by: Bruce Ashfield <bruce.ashfield@gmail.com>