Analyze and Fix Problems Identified by Pjd-Fstest

[ser94mor]

Here is the report produced by pjd-fstest POSIX compliance test suite:

Test Summary Report
-------------------
/home/morozs/Workspace/cloudtiering/src/tst/pjd-fstest/tests/chmod/00.t   (Wstat: 0 Tests: 58 Failed: 1)
  Failed test:  39
/home/morozs/Workspace/cloudtiering/src/tst/pjd-fstest/tests/chown/00.t   (Wstat: 0 Tests: 171 Failed: 7)
  Failed tests:  84, 88, 141, 145, 149, 153, 157
/home/morozs/Workspace/cloudtiering/src/tst/pjd-fstest/tests/link/00.t    (Wstat: 0 Tests: 82 Failed: 1)
  Failed test:  71
/home/morozs/Workspace/cloudtiering/src/tst/pjd-fstest/tests/rename/00.t  (Wstat: 0 Tests: 79 Failed: 1)
  Failed test:  65
Files=184, Tests=1957, 127 wallclock secs ( 0.95 usr  0.21 sys + 14.11 cusr  2.76 csys = 18.03 CPU)
Result: FAIL

Issues should be analyzed and fixed.