scalability_dev [LETS-194] logpb_flush_pages needs to be called in critical …

http://jira.cubrid.org/browse/LETS-194

Follow-up patch for LETS-194.
Function logpb_flush_pages specifically needs to be called in critical section-free context.
Exit CS right before calling the function and re-acquire afterwards.

cristiarg

Push event #10158 passed

  • Ran for
AMD64
C++
Git
CC=gcc-8 CXX=g++-8