Merge tag 'ovl-fixes-5.8-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/mszere...

Pull overlayfs fixes from Miklos Szeredi:

 - fix a regression introduced in v4.20 in handling a regenerated
   squashfs lower layer

 - two regression fixes for this cycle, one of which is Oops inducing

 - miscellaneous issues

* tag 'ovl-fixes-5.8-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs:
  ovl: fix lookup of indexed hardlinks with metacopy
  ovl: fix unneeded call to ovl_change_flags()
  ovl: fix mount option checks for nfs_export with no upperdir
  ovl: force read-only sb on failure to create index dir
  ovl: fix regression with re-formatted lower squashfs
  ovl: fix oops in ovl_indexdir_cleanup() with nfs_export=on
  ovl: relax WARN_ON() when decoding lower directory file handle
  ovl: remove not used argument in ovl_check_origin
  ovl: change ovl_copy_up_flags static
  ovl: inode reference leak in ovl_is_inuse true case.