Merge tag 'xfs-4.21-merge-3' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux

Pull xfs fixlets from Darrick Wong:
 "Remove a couple of unnecessary local variables"

* tag 'xfs-4.21-merge-3' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
  xfs: xfs_fsops: drop useless LIST_HEAD
  xfs: xfs_buf: drop useless LIST_HEAD