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Message-Id: <1359586176.29975.140661184693725.5AA32A9C@webmail.messagingengine.com> Date: Thu, 31 Jan 2013 09:49:36 +1100 From: Robert Mueller <robm@...tmail.fm> To: Bron Gondwana <brong@...tmail.fm>, "Theodore Ts'o" <tytso@....edu> Cc: Eric Sandeen <sandeen@...hat.com>, Linux Ext4 mailing list <linux-ext4@...r.kernel.org> Subject: Re: fallocate creating fragmented files > It's the twoskip files that we're particularly concerned about. Not > so much that they fragment during use, that's kind of expected - but > that a repack doesn't result in a single contiguous file. Apart from > the header, I can't see why it doesn't. Well yes, this is ultimately what we're worried about, but we did some digging and found that even just fallocating a file creates a very fragmented file. I think it's better to try and work out why just fallocating space for files is creating such fragmented files, it's certainly a simpler test case to try and get information on first. Rob -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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