From: | Bruce Momjian <bruce(at)momjian(dot)us> |
---|---|
To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
Cc: | Magnus Hagander <magnus(at)hagander(dot)net>, pgsql-hackers(at)postgresql(dot)org |
Subject: | Re: Fairly serious bug induced by latest guc enum changes |
Date: | 2008-06-30 20:29:48 |
Message-ID: | 200806302029.m5UKTmk28172@momjian.us |
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Lists: | pgsql-hackers |
Tom Lane wrote:
> Magnus Hagander <magnus(at)hagander(dot)net> writes:
> > Right, but I still need the other part of the check, right? This one
> > still fails the same check as my patch, no? Because I assume the hole
> > you found there was that get_sync_bit() will return 0 for two different
> > sync methods as long as none of them are O_SYNC or O_DSYNC...
>
> No, my point was that there are three possible states of sync_bit and
> your patch only accounted for transitions between two of 'em. For
> instance, if sync_bit goes to 0 we must close and reopen the file,
> else we'll be doing both O_SYNC flush and whatever flush method
> is supposed to be getting used.
Did this every get addressed? I don't see a commit for it.
--
Bruce Momjian <bruce(at)momjian(dot)us> http://momjian.us
EnterpriseDB http://enterprisedb.com
+ If your life is a hard drive, Christ can be your backup. +
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