LU-951 test: re-enable replay-single test_73a

Enable replay-single test_73a as bug resolved.

LU-2840 test: re-enabel sanityn test_21

Enable sanityn test_21 as bug resolved.

LU-1867 test: re-enable test_89

Enable replay-single test_89 as bug resolved.

Signed-off-by: Yang Sheng <yang.sheng@intel.com>
Change-Id: I78d8e21e2f454af07503d96c510beb9090b23ace
Reviewed-on: http://review.whamcloud.com/12227
Tested-by: Jenkins
Tested-by: Maloo <hpdd-maloo@intel.com>
Reviewed-by: Bob Glossman <bob.glossman@intel.com>
Reviewed-by: Andreas Dilger <andreas.dilger@intel.com>
LU-2675 libcfs: remove {ENTRY,EXIT}_NESTING macros

Remove the unnecessary macros ENTRY_NESTING_SUPPORT, ENTRY_NESTING,
EXIT_NESTING, and __current_nesting_level().

Signed-off-by: John L. Hammond <john.hammond@intel.com>
Change-Id: I12c3c9a253b1dc0929a78c2f807b2a94434d3496
Reviewed-on: http://review.whamcloud.com/11984
Tested-by: Jenkins
Reviewed-by: James Simmons <uja.ornl@gmail.com>
Reviewed-by: Alex Zhuravlev <alexey.zhuravlev@intel.com>
Reviewed-by: Dmitry Eremin <dmitry.eremin@intel.com>
Reviewed-by: Bob Glossman <bob.glossman@intel.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>
Tested-by: Oleg Drokin <oleg.drokin@intel.com>