From mboxrd@z Thu Jan  1 00:00:00 1970
From: Florian Weimer <fw@deneb.enyo.de>
Subject: Re: [rfc] fsync_range?
Date: Thu, 22 Jan 2009 22:23:36 +0100
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Cc: Jamie Lokier <jamie@shareable.org>, Nick Piggin <npiggin@suse.de>,
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To: Theodore Tso <tytso@mit.edu>
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* Florian Weimer:

> * Theodore Tso:
>
>> Actually, I take that back; Oracle (and most other enterprise
>> databases; the world is not just Oracle --- there's also DB2, for
>> example) generally uses Direct I/O, so I wonder if they are using
>> sync_file_range() at all.
>
> Recent PostgreSQL might use it because it has got a single-threaded
> background writer which benefits from non-blocking fsync().  I'll have
> to check to be sure, though.

Uhm, it doesn't.