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Pull NFS client updates from Anna Schumaker:
 "Stable Fixes:
   - Wait for stateid updates after CLOSE/OPEN_DOWNGRADE # v5.4+
   - Fix nfs_path in case of a rename retry
   - Support EXCHID4_FLAG_SUPP_FENCE_OPS v4.2 EXCHANGE_ID flag

  New features and improvements:
   - Replace dprintk() calls with tracepoints
   - Make cache consistency bitmap dynamic
   - Added support for the NFS v4.2 READ_PLUS operation
   - Improvements to net namespace uniquifier

  Other bugfixes and cleanups:
   - Remove redundant clnt pointer
   - Don't update timeout values on connection resets
   - Remove redundant tracepoints
   - Various cleanups to comments
   - Fix oops when trying to use copy_file_range with v4.0 source server
   - Improvements to flexfiles mirrors
   - Add missing 'local_lock=posix' mount option"

* tag 'nfs-for-5.10-1' of git://git.linux-nfs.org/projects/anna/linux-nfs: (55 commits)
  NFSv4.2: support EXCHGID4_FLAG_SUPP_FENCE_...