Thread: pgsql: Use O_DIRECT in O_SYNC test of different size. Restructure O_DI

Use O_DIRECT in O_SYNC test of different size.  Restructure O_DIRECT
error reporting to be more consistent.

Branch
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master

Details
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http://git.postgresql.org/gitweb?p=postgresql.git;a=commitdiff;h=6dc15e3befaa6a3ff72633a2084ad1e1466edcde

Modified Files
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src/tools/fsync/test_fsync.c |   86 ++++++++++++++++++++++--------------------
1 files changed, 45 insertions(+), 41 deletions(-)