linux-ext4 - Re: [PATCH] imporve jbd2 fsync batching

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Message-ID: <20081106002727.GB8168@mit.edu>
Date:	Wed, 5 Nov 2008 19:27:27 -0500
From:	Theodore Tso <tytso@....edu>
To:	Andreas Dilger <adilger@....com>
Cc:	Josef Bacik <jbacik@...hat.com>, linux-ext4@...r.kernel.org
Subject: Re: [PATCH] imporve jbd2 fsync batching

On Wed, Nov 05, 2008 at 04:10:12PM -0700, Andreas Dilger wrote:
> There was no reply to my previous comments about making the maximum sleep
> time be a fixed value (e.g. 15ms) instead of having it arbitrarily based
> on the jiffies value, which may change between 1ms and 10ms.

I know the whole point is to make it be self-tuning, but I wonder if
we should have some knobs to control the min and max sleep times.

   	          	       	    	     	     - Ted
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