PROBLEM:  (ZUO16050A, 47503) (PATCH ID: OSF440CDE-020)
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This patch fixes a problem in which dtfile ICDE COSE tool does not
work when TMPDIR is defined as /ldata/disk_local/tmp.
dtfile returns this error:

  /ldata/disk_local/tmp/sdtdbcache_AAAaadmma: Cross-device link
  /ldata/disk_local/tmp/sdtdbcache_BAAaadmma: Cross-device link
  Floating exception (core dumped)