Log Message:
-----------
Make CREATE DATABASE safe against losing whole files by fsyncing the
directory and not just the individual files.
Back-patch to 8.1 -- before that we just called "cp -r" and never
fsynced anything anyways.
Modified Files:
--------------
pgsql/src/port:
copydir.c (r1.24 -> r1.25)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/port/copydir.c?r1=1.24&r2=1.25)