Robert Haas <robertmh...@gmail.com> writes:
> On Tue, Jan 10, 2012 at 1:02 AM,  <anjali_...@yahoo.co.in> wrote:
>> Thanks for the solution. CIFS worked with fsync flag by ingnoring EINVAL in
>> copydir.c.
>> 
>> I tested fsync with 8.2.2 version of PostgreSQL, it worked fine without
>> EINVAL patch. I wanted to know is something changed in version 9.0.4 of
>> postgreSQL.
>> 
>> As fsync flag was not working with PostgreSQL version 9.0.4 without applying
>> the patch.

> Sure, lots of stuff has changed since REL8_2_2 - that release is
> almost 5 years old.  I'm not sure it's really important to drill down
> and find out exactly which change introduced this problem, but you
> could start by trying 8.2.23, 8.3.x, 8.4.x, etc. if you want to try to
> figure it out.

The reason 8.2 appears to "work" here is that it doesn't try to fsync
the output at all during CREATE DATABASE.  It is not a bug that we added
fsync logic.  The only thing that's in question is whether we should
allow certain errno values to pass without comment.

                        regards, tom lane

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