Pull pull additional NFS client changes for 3.19 from Anna Schumaker:
  "NFS: Generic client side changes from Chuck

  These patches fixes for iostats and SETCLIENTID in addition to cleaning
  up the nfs4_init_callback() function.

  Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>"

* tag 'nfs-cel-for-3.19' of git://git.linux-nfs.org/projects/anna/nfs-rdma:
  NFS: Clean up nfs4_init_callback()
  NFS: SETCLIENTID XDR buffer sizes are incorrect
  SUNRPC: serialize iostats updates