linux-ext4 - Re: default ext3 journal mode - time to poke at this again?

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Message-ID: <20090720185731.GA9002@atrey.karlin.mff.cuni.cz>
Date:	Mon, 20 Jul 2009 20:57:31 +0200
From:	Jan Kara <jack@...e.cz>
To:	Ric Wheeler <ricwheeler@...il.com>
Cc:	linux-ext4@...r.kernel.org, linux-fsdevel@...r.kernel.org,
	"Stephen C. Tweedie" <sct@...hat.com>,
	Theodore Tso <tytso@....edu>, Andreas Dilger <adilger@....com>,
	Eric Sandeen <esandeen@...hat.com>,
	Christoph Hellwig <hch@...radead.org>
Subject: Re: default ext3 journal mode - time to poke at this again?

  Hi,

> At the linux symposium this week, some of us were wondering when it 
> would be safe to try and default ext3's default journal mode back to 
> sanity given that all (?) distros immediately reverted the default to 
> data writeback mode.
  Well, at least SUSE still uses data=ordered,barrier as a default (and
I personally think this is the right thing to do). Hmm, maybe you've
meant this and just wrote it otherwise given your paragraph below ;)

> Failing that, can we at least clean up the config option description to 
> properly give the normal users a non-bogus, technical description of the 
> trade off ?
  Yes, I'm all for it. Will you try to write up something or should I?

									Honza
-- 
Jan Kara <jack@...e.cz>
SuSE CR Labs
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