Merge tag 'ceph-for-5.16-rc1' of git://github.com/ceph/ceph-client

Pull ceph updates from Ilya Dryomov:
 "One notable change here is that async creates and unlinks introduced
  in 5.7 are now enabled by default. This should greatly speed up things
  like rm, tar and rsync. To opt out, wsync mount option can be used.

  Other than that we have a pile of bug fixes all across the filesystem
  from Jeff, Xiubo and Kotresh and a metrics infrastructure rework from
  Luis"

* tag 'ceph-for-5.16-rc1' of git://github.com/ceph/ceph-client:
  ceph: add a new metric to keep track of remote object copies
  libceph, ceph: move ceph_osdc_copy_from() into cephfs code
  ceph: clean-up metrics data structures to reduce code duplication
  ceph: split 'metric' debugfs file into several files
  ceph: return the real size read when it hits EOF
  ceph: properly handle statfs on multifs setups
  ceph: shut down mount on bad mdsmap or fsmap decode
  ceph: fix mdsmap decode when there are MDS's beyond max_mds
  ceph: ignore the tr...