ovl: restructure dentry revalidation

Use a common loop for plain and weak revalidation.  This will aid doing
revalidation on upper layer.

This patch doesn't change behavior.

Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
This commit is contained in:
Miklos Szeredi 2020-03-17 15:04:22 +01:00
commit 3bb7df928a