[GIT PULL] overlayfs fixes for 5.8-rc6

[Miklos Szeredi]

Hi Linus,

Please pull from:

  git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs.git tags/ovl-fixes-5.8-rc6

Fix the following:

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

 - two regressions in this cycle, one of which is Oops inducing

 - miscellaneous issues.

Thanks,
Miklos

----------------------------------------------------------------
Amir Goldstein (7):
      ovl: relax WARN_ON() when decoding lower directory file handle
      ovl: fix oops in ovl_indexdir_cleanup() with nfs_export=on
      ovl: fix regression with re-formatted lower squashfs
      ovl: force read-only sb on failure to create index dir
      ovl: fix mount option checks for nfs_export with no upperdir
      ovl: fix unneeded call to ovl_change_flags()
      ovl: fix lookup of indexed hardlinks with metacopy

youngjun (3):
      ovl: inode reference leak in ovl_is_inuse true case.
      ovl: change ovl_copy_up_flags static
      ovl: remove not used argument in ovl_check_origin

---
 Documentation/filesystems/overlayfs.rst |  4 +-
 fs/overlayfs/copy_up.c                  |  2 +-
 fs/overlayfs/export.c                   |  2 +-
 fs/overlayfs/file.c                     | 10 +++--
 fs/overlayfs/namei.c                    | 15 +++----
 fs/overlayfs/overlayfs.h                |  1 -
 fs/overlayfs/super.c                    | 73 ++++++++++++++++++++++-----------
 7 files changed, 65 insertions(+), 42 deletions(-)