[GIT PULL] overlayfs update for 5.19

[Miklos Szeredi]

Hi Linus,

Please pull from:

  git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs.git tags/ovl-update-5.19

Support idmapped layers in overlayfs (Christian Brauner).  Add a fix to
exportfs that is relevant to open_by_handle_at(2) as well.  Also introduce
new lookup helpers that allow passing mnt_userns into inode_permission().

Thanks,
Miklos

---
Amir Goldstein (3):
      ovl: use wrappers to all vfs_*xattr() calls
      ovl: pass layer mnt to ovl_open_realfile()
      ovl: store lower path in ovl_inode

Christian Brauner (16):
      fs: add two trivial lookup helpers
      exportfs: support idmapped mounts
      ovl: pass ofs to creation operations
      ovl: add ovl_upper_mnt_userns() wrapper
      ovl: handle idmappings in creation operations
      ovl: pass ofs to setattr operations
      ovl: use ovl_do_notify_change() wrapper
      ovl: use ovl_lookup_upper() wrapper
      ovl: use ovl_path_getxattr() wrapper
      ovl: handle idmappings for layer fileattrs
      ovl: handle idmappings for layer lookup
      ovl: use ovl_copy_{real,upper}attr() wrappers
      ovl: handle idmappings in ovl_permission()
      ovl: handle idmappings in layer open helpers
      ovl: handle idmappings in ovl_xattr_{g,s}et()
      ovl: support idmapped layers

---
 fs/exportfs/expfs.c      |   5 +-
 fs/namei.c               |  70 ++++++++++++--
 fs/overlayfs/copy_up.c   |  90 +++++++++---------
 fs/overlayfs/dir.c       | 147 +++++++++++++++---------------
 fs/overlayfs/export.c    |   5 +
 fs/overlayfs/file.c      |  43 +++++----
 fs/overlayfs/inode.c     |  68 ++++++++------
 fs/overlayfs/namei.c     |  53 +++++++----
 fs/overlayfs/overlayfs.h | 232 +++++++++++++++++++++++++++++++++--------------
 fs/overlayfs/ovl_entry.h |   7 +-
 fs/overlayfs/readdir.c   |  48 +++++-----
 fs/overlayfs/super.c     |  57 ++++++------
 fs/overlayfs/util.c      | 103 ++++++++++++++++-----
 include/linux/namei.h    |   6 ++
 14 files changed, 598 insertions(+), 336 deletions(-)