linux-kernel - Re: [RFC v2] ext4: Don't send extra barrier during fsync if there are no dirty pages.

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Message-ID: <20100805164504.GI2901@thunk.org>
Date:	Thu, 5 Aug 2010 12:45:04 -0400
From:	Ted Ts'o <tytso@....edu>
To:	"Darrick J. Wong" <djwong@...ibm.com>,
	Mingming Cao <cmm@...ibm.com>,
	Ric Wheeler <rwheeler@...hat.com>,
	linux-ext4 <linux-ext4@...r.kernel.org>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	Keith Mannthey <kmannth@...ibm.com>,
	Mingming Cao <mcao@...ibm.com>
Subject: Re: [RFC v2] ext4: Don't send extra barrier during fsync if there
 are no dirty pages.

P.S.  If it wasn't clear, I'm still in favor of trying to coordinate
barriers across the whole file system, since that is much more likely
to help use cases that arise in real life.

   	    	       	     	     - Ted
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