linux-kernel - [GIT PULL] overlayfs update for 5.7

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Date:   Wed, 8 Apr 2020 10:54:23 +0200
From:   Miklos Szeredi <miklos@...redi.hu>
To:     Linus Torvalds <torvalds@...ux-foundation.org>
Cc:     linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org,
        linux-unionfs@...r.kernel.org
Subject: [GIT PULL] overlayfs update for 5.7

Hi Linus,

Please pull from:

  git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs.git tags/ovl-update-5.7

 - Fix failure to copy-up files from certain NFSv4 mounts.

 - Sort out inconsistencies between st_ino and i_ino (used in /proc/locks).

 - Allow consistent (POSIX-y) inode numbering in more cases.

 - Allow virtiofs to be used as upper layer.

 - Miscellaneous cleanups and fixes.

Thanks,
Miklos

---
Al Viro (1):
      ovl: ovl_obtain_alias(): don't call d_instantiate_anon() for old

Amir Goldstein (10):
      ovl: fix value of i_ino for lower hardlink corner case
      ovl: fix out of date comment and unreachable code
      ovl: factor out helper ovl_get_root()
      ovl: simplify i_ino initialization
      ovl: check if upper fs supports RENAME_WHITEOUT
      ovl: strict upper fs requirements for remote upper fs
      ovl: use a private non-persistent ino pool
      ovl: avoid possible inode number collisions with xino=on
      ovl: enable xino automatically in more cases
      ovl: document xino expected behavior

Chengguang Xu (1):
      ovl: fix a typo in comment

Gustavo A. R. Silva (1):
      ovl: replace zero-length array with flexible-array member

Miklos Szeredi (7):
      ovl: document permission model
      ovl: ignore failure to copy up unknown xattrs
      ovl: restructure dentry revalidation
      ovl: separate detection of remote upper layer from stacked overlay
      ovl: decide if revalidate needed on a per-dentry basis
      ovl: allow remote upper
      ovl: fix WARN_ON nlink drop to zero

---
 Documentation/filesystems/overlayfs.rst |  82 +++++++++-
 fs/overlayfs/copy_up.c                  |  16 +-
 fs/overlayfs/dir.c                      |  31 +++-
 fs/overlayfs/export.c                   |  40 ++---
 fs/overlayfs/inode.c                    |  99 ++++++++----
 fs/overlayfs/namei.c                    |   5 +-
 fs/overlayfs/overlayfs.h                |  25 +++-
 fs/overlayfs/ovl_entry.h                |   2 +
 fs/overlayfs/readdir.c                  |  25 +++-
 fs/overlayfs/super.c                    | 258 ++++++++++++++++++++++----------
 fs/overlayfs/util.c                     |  40 +++--
 11 files changed, 460 insertions(+), 163 deletions(-)